/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/queue-add-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-22 20:56:40,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-22 20:56:40,476 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-22 20:56:40,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-22 20:56:40,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-22 20:56:40,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-22 20:56:40,504 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-22 20:56:40,504 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-22 20:56:40,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-22 20:56:40,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-22 20:56:40,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-22 20:56:40,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-22 20:56:40,504 INFO L153 SettingsManager]: * Use SBE=true [2025-01-22 20:56:40,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-22 20:56:40,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-22 20:56:40,505 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-22 20:56:40,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-22 20:56:40,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-22 20:56:40,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-22 20:56:40,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-22 20:56:40,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-22 20:56:40,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-22 20:56:40,505 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-22 20:56:40,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-22 20:56:40,505 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-22 20:56:40,505 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-22 20:56:40,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-22 20:56:40,505 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-22 20:56:40,505 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-22 20:56:40,506 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-22 20:56:40,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 20:56:40,506 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-22 20:56:40,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-22 20:56:40,506 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-22 20:56:40,506 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-22 20:56:40,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-22 20:56:40,506 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-22 20:56:40,506 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-22 20:56:40,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-22 20:56:40,506 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-22 20:56:40,506 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-22 20:56:40,506 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-22 20:56:40,506 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-22 20:56:40,507 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2025-01-22 20:56:40,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-22 20:56:40,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-22 20:56:40,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-22 20:56:40,751 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-22 20:56:40,753 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-22 20:56:40,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-2.wvr.bpl [2025-01-22 20:56:40,754 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-2.wvr.bpl' [2025-01-22 20:56:40,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-22 20:56:40,771 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-22 20:56:40,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-22 20:56:40,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-22 20:56:40,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-22 20:56:40,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:56:40" (1/1) ... [2025-01-22 20:56:40,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:56:40" (1/1) ... [2025-01-22 20:56:40,789 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-22 20:56:40,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-22 20:56:40,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-22 20:56:40,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-22 20:56:40,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-22 20:56:40,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:56:40" (1/1) ... [2025-01-22 20:56:40,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:56:40" (1/1) ... [2025-01-22 20:56:40,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:56:40" (1/1) ... [2025-01-22 20:56:40,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:56:40" (1/1) ... [2025-01-22 20:56:40,799 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:56:40" (1/1) ... [2025-01-22 20:56:40,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:56:40" (1/1) ... [2025-01-22 20:56:40,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:56:40" (1/1) ... [2025-01-22 20:56:40,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:56:40" (1/1) ... [2025-01-22 20:56:40,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:56:40" (1/1) ... [2025-01-22 20:56:40,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-22 20:56:40,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-22 20:56:40,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-22 20:56:40,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-22 20:56:40,806 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:56:40" (1/1) ... [2025-01-22 20:56:40,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 20:56:40,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:56:40,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-22 20:56:40,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-22 20:56:40,860 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-22 20:56:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-22 20:56:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-22 20:56:40,861 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-22 20:56:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-22 20:56:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-22 20:56:40,861 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-22 20:56:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-22 20:56:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-22 20:56:40,862 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-22 20:56:40,898 INFO L234 CfgBuilder]: Building ICFG [2025-01-22 20:56:40,899 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-22 20:56:40,978 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-22 20:56:40,978 INFO L283 CfgBuilder]: Performing block encoding [2025-01-22 20:56:41,004 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-22 20:56:41,005 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-22 20:56:41,005 INFO L201 PluginConnector]: Adding new model queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 08:56:41 BoogieIcfgContainer [2025-01-22 20:56:41,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-22 20:56:41,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-22 20:56:41,009 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-22 20:56:41,013 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-22 20:56:41,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:56:40" (1/2) ... [2025-01-22 20:56:41,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f5d9ae and model type queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.01 08:56:41, skipping insertion in model container [2025-01-22 20:56:41,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 08:56:41" (2/2) ... [2025-01-22 20:56:41,014 INFO L128 eAbstractionObserver]: Analyzing ICFG queue-add-2.wvr.bpl [2025-01-22 20:56:41,026 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-22 20:56:41,027 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG queue-add-2.wvr.bpl that has 3 procedures, 21 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-22 20:56:41,027 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-22 20:56:41,056 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-22 20:56:41,094 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 20:56:41,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-22 20:56:41,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:56:41,097 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-22 20:56:41,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-22 20:56:41,149 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-22 20:56:41,163 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-22 20:56:41,171 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;@33079db7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 20:56:41,171 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-22 20:56:41,260 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 20:56:41,261 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:56:41,261 INFO L139 ounterexampleChecker]: Examining path program with hash -713095943, occurence #1 [2025-01-22 20:56:41,261 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:56:41,261 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:56:41,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:56:41,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1744408605, now seen corresponding path program 1 times [2025-01-22 20:56:41,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:56:41,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225084483] [2025-01-22 20:56:41,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:56:41,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:56:41,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-22 20:56:41,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-22 20:56:41,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:56:41,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:56:41,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:56:41,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225084483] [2025-01-22 20:56:41,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225084483] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 20:56:41,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 20:56:41,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-22 20:56:41,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605664997] [2025-01-22 20:56:41,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 20:56:41,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 20:56:41,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:56:41,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-22 20:56:41,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-22 20:56:41,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:41,383 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:56:41,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 20:56:41,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:41,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:41,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-22 20:56:41,418 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 20:56:41,418 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:56:41,418 INFO L139 ounterexampleChecker]: Examining path program with hash -428615788, occurence #1 [2025-01-22 20:56:41,418 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:56:41,419 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:56:41,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:56:41,419 INFO L85 PathProgramCache]: Analyzing trace with hash 366066696, now seen corresponding path program 1 times [2025-01-22 20:56:41,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:56:41,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531013785] [2025-01-22 20:56:41,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:56:41,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:56:41,426 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-22 20:56:41,439 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-22 20:56:41,439 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:56:41,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:41,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:56:41,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:56:41,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531013785] [2025-01-22 20:56:41,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531013785] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:56:41,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823205627] [2025-01-22 20:56:41,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:56:41,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:56:41,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:56:41,651 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 20:56:41,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-22 20:56:41,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-22 20:56:41,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-22 20:56:41,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:56:41,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:41,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-22 20:56:41,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:56:41,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:56:41,840 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:56:41,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:56:41,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823205627] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:56:41,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:56:41,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2025-01-22 20:56:41,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918255192] [2025-01-22 20:56:41,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:56:41,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-22 20:56:41,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:56:41,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-22 20:56:41,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-01-22 20:56:41,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:41,913 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:56:41,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 11 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 20:56:41,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:41,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:42,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:42,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 20:56:42,090 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 20:56:42,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:56:42,284 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 20:56:42,284 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:56:42,285 INFO L139 ounterexampleChecker]: Examining path program with hash -428615788, occurence #2 [2025-01-22 20:56:42,285 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 20:56:42,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-22 20:56:42,285 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:42,286 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-22 20:56:42,286 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:42,286 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-22 20:56:42,286 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:42,286 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-22 20:56:42,286 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:42,286 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-22 20:56:42,286 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:42,286 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 20:56:42,286 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:56:42,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:56:42,286 INFO L85 PathProgramCache]: Analyzing trace with hash -490487357, now seen corresponding path program 2 times [2025-01-22 20:56:42,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:56:42,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307972726] [2025-01-22 20:56:42,287 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 20:56:42,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:56:42,293 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 2 equivalence classes. [2025-01-22 20:56:42,298 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 19 of 19 statements. [2025-01-22 20:56:42,299 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 20:56:42,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:42,358 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:56:42,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:56:42,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307972726] [2025-01-22 20:56:42,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307972726] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:56:42,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220463566] [2025-01-22 20:56:42,358 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 20:56:42,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:56:42,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:56:42,362 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 20:56:42,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-22 20:56:42,380 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 2 equivalence classes. [2025-01-22 20:56:42,386 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 19 of 19 statements. [2025-01-22 20:56:42,386 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 20:56:42,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:42,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-22 20:56:42,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:56:42,417 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:56:42,417 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-22 20:56:42,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220463566] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 20:56:42,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-22 20:56:42,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2025-01-22 20:56:42,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966491502] [2025-01-22 20:56:42,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 20:56:42,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-22 20:56:42,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:56:42,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-22 20:56:42,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-22 20:56:42,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:42,418 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:56:42,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 20:56:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:42,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 20:56:42,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-22 20:56:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:42,578 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 20:56:42,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:56:42,773 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 20:56:42,773 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:56:42,773 INFO L139 ounterexampleChecker]: Examining path program with hash 765782952, occurence #1 [2025-01-22 20:56:42,773 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:56:42,773 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:56:42,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:56:42,774 INFO L85 PathProgramCache]: Analyzing trace with hash -2000769565, now seen corresponding path program 1 times [2025-01-22 20:56:42,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:56:42,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237020665] [2025-01-22 20:56:42,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:56:42,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:56:42,777 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-22 20:56:42,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-22 20:56:42,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:56:42,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:42,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:56:42,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:56:42,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237020665] [2025-01-22 20:56:42,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237020665] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:56:42,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043466538] [2025-01-22 20:56:42,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:56:42,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:56:42,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:56:42,969 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 20:56:42,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-22 20:56:42,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-22 20:56:42,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-22 20:56:42,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:56:42,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:42,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-22 20:56:42,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:56:43,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:56:43,224 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:56:43,326 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 20:56:43,327 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 14 treesize of output 18 [2025-01-22 20:56:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:56:43,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043466538] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:56:43,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:56:43,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2025-01-22 20:56:43,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506405422] [2025-01-22 20:56:43,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:56:43,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-22 20:56:43,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:56:43,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-22 20:56:43,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=502, Unknown=0, NotChecked=0, Total=600 [2025-01-22 20:56:43,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:43,363 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:56:43,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.84) internal successors, (46), 24 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 20:56:43,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:43,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-22 20:56:43,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:43,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:43,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:43,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-22 20:56:43,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:43,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-22 20:56:43,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-22 20:56:44,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:56:44,118 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 20:56:44,118 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:56:44,118 INFO L139 ounterexampleChecker]: Examining path program with hash 765782952, occurence #2 [2025-01-22 20:56:44,118 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 20:56:44,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-22 20:56:44,118 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:44,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-22 20:56:44,118 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:44,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-22 20:56:44,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:44,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-01-22 20:56:44,119 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:44,119 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 20:56:44,119 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:56:44,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:56:44,119 INFO L85 PathProgramCache]: Analyzing trace with hash 426217342, now seen corresponding path program 2 times [2025-01-22 20:56:44,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:56:44,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85197978] [2025-01-22 20:56:44,119 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 20:56:44,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:56:44,122 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 28 statements into 2 equivalence classes. [2025-01-22 20:56:44,129 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 28 of 28 statements. [2025-01-22 20:56:44,129 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 20:56:44,129 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:44,365 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 20:56:44,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:56:44,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85197978] [2025-01-22 20:56:44,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85197978] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:56:44,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895986488] [2025-01-22 20:56:44,366 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 20:56:44,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:56:44,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:56:44,368 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 20:56:44,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-22 20:56:44,384 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 28 statements into 2 equivalence classes. [2025-01-22 20:56:44,392 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 28 of 28 statements. [2025-01-22 20:56:44,392 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 20:56:44,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:44,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-22 20:56:44,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:56:44,724 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:56:44,724 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:56:44,967 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 20:56:44,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 53 [2025-01-22 20:56:45,007 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:56:45,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895986488] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:56:45,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:56:45,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 15] total 35 [2025-01-22 20:56:45,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163216010] [2025-01-22 20:56:45,008 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:56:45,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-01-22 20:56:45,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:56:45,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-01-22 20:56:45,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1118, Unknown=0, NotChecked=0, Total=1260 [2025-01-22 20:56:45,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:45,009 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:56:45,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.75) internal successors, (63), 35 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 20:56:45,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:45,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-22 20:56:45,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:45,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-22 20:56:45,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-22 20:56:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-22 20:56:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-01-22 20:56:46,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-22 20:56:46,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:56:46,781 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 20:56:46,781 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:56:46,781 INFO L139 ounterexampleChecker]: Examining path program with hash 1067192434, occurence #1 [2025-01-22 20:56:46,781 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:56:46,781 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:56:46,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:56:46,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1109095344, now seen corresponding path program 3 times [2025-01-22 20:56:46,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:56:46,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026655456] [2025-01-22 20:56:46,782 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 20:56:46,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:56:46,785 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 34 statements into 3 equivalence classes. [2025-01-22 20:56:46,793 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 34 of 34 statements. [2025-01-22 20:56:46,793 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-22 20:56:46,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:46,894 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-22 20:56:46,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:56:46,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026655456] [2025-01-22 20:56:46,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026655456] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:56:46,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858688779] [2025-01-22 20:56:46,894 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 20:56:46,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:56:46,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:56:46,897 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 20:56:46,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-22 20:56:46,914 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 34 statements into 3 equivalence classes. [2025-01-22 20:56:46,922 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 34 of 34 statements. [2025-01-22 20:56:46,922 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-22 20:56:46,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:46,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-22 20:56:46,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:56:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-22 20:56:46,985 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-22 20:56:46,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858688779] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 20:56:46,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-22 20:56:46,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 11 [2025-01-22 20:56:46,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681254407] [2025-01-22 20:56:46,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 20:56:46,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-22 20:56:46,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:56:46,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-22 20:56:46,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2025-01-22 20:56:46,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:46,986 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:56:46,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 20:56:46,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:46,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-22 20:56:46,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:46,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-22 20:56:46,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-01-22 20:56:46,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:47,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:47,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:47,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:47,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:56:47,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 20:56:47,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-22 20:56:47,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-22 20:56:47,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-01-22 20:56:47,486 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 20:56:47,486 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:56:47,486 INFO L139 ounterexampleChecker]: Examining path program with hash -536171109, occurence #1 [2025-01-22 20:56:47,486 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:56:47,486 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:56:47,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:56:47,487 INFO L85 PathProgramCache]: Analyzing trace with hash -73436041, now seen corresponding path program 4 times [2025-01-22 20:56:47,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:56:47,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286918687] [2025-01-22 20:56:47,487 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 20:56:47,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:56:47,489 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 43 statements into 2 equivalence classes. [2025-01-22 20:56:47,497 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-22 20:56:47,497 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 20:56:47,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:47,659 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-22 20:56:47,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:56:47,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286918687] [2025-01-22 20:56:47,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286918687] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:56:47,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579044296] [2025-01-22 20:56:47,659 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 20:56:47,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:56:47,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:56:47,661 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 20:56:47,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-22 20:56:47,678 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 43 statements into 2 equivalence classes. [2025-01-22 20:56:47,687 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-22 20:56:47,688 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 20:56:47,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:47,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-22 20:56:47,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:56:47,766 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 20:56:47,778 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-22 20:56:47,778 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:56:47,837 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2025-01-22 20:56:47,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2025-01-22 20:56:47,857 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-01-22 20:56:47,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579044296] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:56:47,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:56:47,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 7] total 15 [2025-01-22 20:56:47,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797206099] [2025-01-22 20:56:47,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:56:47,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-22 20:56:47,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:56:47,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-22 20:56:47,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2025-01-22 20:56:47,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:47,858 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:56:47,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 15 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 20:56:47,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:47,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:47,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:47,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:56:47,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 20:56:47,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-22 20:56:47,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:48,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:48,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:48,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:48,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:56:48,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 20:56:48,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-22 20:56:48,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:56:48,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-22 20:56:48,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:56:48,297 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 20:56:48,297 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:56:48,297 INFO L139 ounterexampleChecker]: Examining path program with hash -251690954, occurence #1 [2025-01-22 20:56:48,297 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:56:48,297 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:56:48,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:56:48,297 INFO L85 PathProgramCache]: Analyzing trace with hash -2136893450, now seen corresponding path program 5 times [2025-01-22 20:56:48,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:56:48,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159825877] [2025-01-22 20:56:48,297 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 20:56:48,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:56:48,309 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 49 statements into 6 equivalence classes. [2025-01-22 20:56:48,316 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 49 of 49 statements. [2025-01-22 20:56:48,316 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-22 20:56:48,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:48,479 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-01-22 20:56:48,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:56:48,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159825877] [2025-01-22 20:56:48,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159825877] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:56:48,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066669687] [2025-01-22 20:56:48,480 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 20:56:48,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:56:48,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:56:48,481 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 20:56:48,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-22 20:56:48,500 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 49 statements into 6 equivalence classes. [2025-01-22 20:56:48,513 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 49 of 49 statements. [2025-01-22 20:56:48,513 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-22 20:56:48,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:48,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-22 20:56:48,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:56:48,568 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-01-22 20:56:48,568 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:56:48,617 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2025-01-22 20:56:48,617 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 14 [2025-01-22 20:56:48,646 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-01-22 20:56:48,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066669687] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:56:48,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:56:48,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 13 [2025-01-22 20:56:48,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562869246] [2025-01-22 20:56:48,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:56:48,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-22 20:56:48,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:56:48,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-22 20:56:48,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2025-01-22 20:56:48,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:48,648 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:56:48,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 13 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 20:56:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:56:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 20:56:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-22 20:56:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:56:48,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:48,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:48,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:48,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:48,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:56:48,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 20:56:48,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-22 20:56:48,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:56:48,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:48,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-22 20:56:49,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:56:49,101 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 20:56:49,101 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:56:49,101 INFO L139 ounterexampleChecker]: Examining path program with hash -251690954, occurence #2 [2025-01-22 20:56:49,101 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 20:56:49,101 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-22 20:56:49,101 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:49,101 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-22 20:56:49,101 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:49,101 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-22 20:56:49,101 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:49,101 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-22 20:56:49,101 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:49,101 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-22 20:56:49,101 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:49,101 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-01-22 20:56:49,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2025-01-22 20:56:49,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:56:49,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1699662621, now seen corresponding path program 1 times [2025-01-22 20:56:49,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 20:56:49,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580576019] [2025-01-22 20:56:49,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:56:49,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:56:49,152 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-22 20:56:49,157 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-22 20:56:49,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:56:49,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 20:56:49,157 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 20:56:49,159 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 20:56:49,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-22 20:56:49,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:49,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-22 20:56:49,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:49,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-01-22 20:56:49,159 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:49,159 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 20:56:49,159 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:56:49,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:56:49,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1248970987, now seen corresponding path program 6 times [2025-01-22 20:56:49,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:56:49,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143997803] [2025-01-22 20:56:49,160 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 20:56:49,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:56:49,162 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 52 statements into 6 equivalence classes. [2025-01-22 20:56:49,172 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 52 of 52 statements. [2025-01-22 20:56:49,172 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-01-22 20:56:49,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:49,340 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-22 20:56:49,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:56:49,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143997803] [2025-01-22 20:56:49,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143997803] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:56:49,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308187520] [2025-01-22 20:56:49,340 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 20:56:49,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:56:49,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:56:49,342 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 20:56:49,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-22 20:56:49,360 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 52 statements into 6 equivalence classes. [2025-01-22 20:56:49,376 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 52 of 52 statements. [2025-01-22 20:56:49,377 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-01-22 20:56:49,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:49,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-22 20:56:49,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:56:49,510 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-22 20:56:49,510 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:56:49,577 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2025-01-22 20:56:49,578 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 14 [2025-01-22 20:56:49,605 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-22 20:56:49,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308187520] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:56:49,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:56:49,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 11] total 22 [2025-01-22 20:56:49,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465057496] [2025-01-22 20:56:49,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:56:49,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-22 20:56:49,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:56:49,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-22 20:56:49,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2025-01-22 20:56:49,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:49,607 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:56:49,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.608695652173913) internal successors, (83), 22 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 20:56:49,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:49,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:49,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:49,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:56:49,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 20:56:49,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-22 20:56:49,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:56:49,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:49,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:50,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:50,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:50,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:50,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:56:50,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 20:56:50,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-22 20:56:50,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:56:50,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:50,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:56:50,025 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 20:56:50,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable9,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:56:50,223 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 20:56:50,223 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:56:50,223 INFO L139 ounterexampleChecker]: Examining path program with hash -251690954, occurence #3 [2025-01-22 20:56:50,223 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 20:56:50,223 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-22 20:56:50,223 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:50,223 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-22 20:56:50,223 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:50,223 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-22 20:56:50,223 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:50,223 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-22 20:56:50,223 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:50,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-22 20:56:50,224 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:50,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-22 20:56:50,224 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:50,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-22 20:56:50,224 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:50,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-22 20:56:50,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2025-01-22 20:56:50,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:56:50,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1921475576, now seen corresponding path program 1 times [2025-01-22 20:56:50,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 20:56:50,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267842816] [2025-01-22 20:56:50,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:56:50,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:56:50,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-22 20:56:50,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-22 20:56:50,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:56:50,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 20:56:50,271 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 20:56:50,271 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 20:56:50,271 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-01-22 20:56:50,271 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:50,271 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-22 20:56:50,271 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:50,271 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-22 20:56:50,271 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:50,271 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-01-22 20:56:50,271 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:50,271 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 20:56:50,271 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:56:50,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:56:50,272 INFO L85 PathProgramCache]: Analyzing trace with hash 322887382, now seen corresponding path program 7 times [2025-01-22 20:56:50,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:56:50,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688380926] [2025-01-22 20:56:50,281 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 20:56:50,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:56:50,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-22 20:56:50,292 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-22 20:56:50,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:56:50,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:50,494 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 9 proven. 60 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-22 20:56:50,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:56:50,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688380926] [2025-01-22 20:56:50,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688380926] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:56:50,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293160821] [2025-01-22 20:56:50,495 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 20:56:50,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:56:50,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:56:50,496 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 20:56:50,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-22 20:56:50,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-22 20:56:50,528 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-22 20:56:50,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:56:50,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:50,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-22 20:56:50,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:56:50,589 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-01-22 20:56:50,589 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:56:50,701 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2025-01-22 20:56:50,702 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 14 [2025-01-22 20:56:50,736 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-01-22 20:56:50,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293160821] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:56:50,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:56:50,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 21 [2025-01-22 20:56:50,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295450704] [2025-01-22 20:56:50,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:56:50,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-22 20:56:50,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:56:50,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-22 20:56:50,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2025-01-22 20:56:50,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:50,738 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:56:50,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 21 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 20:56:50,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:50,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:50,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:50,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:56:50,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 20:56:50,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-22 20:56:50,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:56:50,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:50,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:56:50,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:51,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:51,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:51,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:51,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:56:51,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 20:56:51,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-22 20:56:51,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:56:51,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:51,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:56:51,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:56:51,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-22 20:56:51,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:56:51,366 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 20:56:51,366 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:56:51,366 INFO L139 ounterexampleChecker]: Examining path program with hash -251690954, occurence #4 [2025-01-22 20:56:51,367 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 20:56:51,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-22 20:56:51,367 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:51,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-22 20:56:51,367 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:51,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-22 20:56:51,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:51,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-22 20:56:51,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:51,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-22 20:56:51,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:51,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-22 20:56:51,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:51,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-22 20:56:51,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:51,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-22 20:56:51,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2025-01-22 20:56:51,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:56:51,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1921475599, now seen corresponding path program 1 times [2025-01-22 20:56:51,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 20:56:51,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139008741] [2025-01-22 20:56:51,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:56:51,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:56:51,404 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-22 20:56:51,406 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-22 20:56:51,406 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:56:51,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 20:56:51,407 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 20:56:51,407 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 20:56:51,407 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-01-22 20:56:51,407 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:51,407 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-22 20:56:51,407 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:51,407 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-22 20:56:51,407 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:51,407 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-22 20:56:51,407 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:51,407 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-22 20:56:51,407 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:51,407 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 20:56:51,407 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:56:51,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:56:51,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1644758069, now seen corresponding path program 8 times [2025-01-22 20:56:51,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:56:51,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443884402] [2025-01-22 20:56:51,408 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 20:56:51,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:56:51,410 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 2 equivalence classes. [2025-01-22 20:56:51,414 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-01-22 20:56:51,415 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 20:56:51,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:51,637 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 9 proven. 73 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-22 20:56:51,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:56:51,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443884402] [2025-01-22 20:56:51,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443884402] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:56:51,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239596606] [2025-01-22 20:56:51,638 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 20:56:51,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:56:51,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:56:51,639 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 20:56:51,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-22 20:56:51,658 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 2 equivalence classes. [2025-01-22 20:56:51,672 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-01-22 20:56:51,672 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 20:56:51,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:51,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-01-22 20:56:51,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:56:51,751 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-22 20:56:51,751 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:56:51,836 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2025-01-22 20:56:51,836 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 14 [2025-01-22 20:56:51,867 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-22 20:56:51,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239596606] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:56:51,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:56:51,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 15] total 24 [2025-01-22 20:56:51,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491330730] [2025-01-22 20:56:51,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:56:51,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-22 20:56:51,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:56:51,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-22 20:56:51,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=542, Unknown=0, NotChecked=0, Total=600 [2025-01-22 20:56:51,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:51,869 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:56:51,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.56) internal successors, (89), 24 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 20:56:51,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:51,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:51,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:51,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:56:51,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 20:56:51,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-22 20:56:51,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:56:51,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:51,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:56:51,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:56:51,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:52,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:52,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:52,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:52,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:56:52,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 20:56:52,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-22 20:56:52,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:56:52,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:52,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:56:52,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:56:52,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-22 20:56:52,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-22 20:56:52,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13 [2025-01-22 20:56:52,596 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 20:56:52,596 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:56:52,596 INFO L139 ounterexampleChecker]: Examining path program with hash -251690954, occurence #5 [2025-01-22 20:56:52,596 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 20:56:52,596 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-22 20:56:52,596 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:52,596 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-22 20:56:52,596 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:52,596 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-22 20:56:52,596 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:52,596 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-22 20:56:52,596 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:52,596 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-22 20:56:52,596 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:52,596 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-22 20:56:52,596 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:52,596 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-22 20:56:52,596 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:52,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-22 20:56:52,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2025-01-22 20:56:52,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:56:52,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1921475626, now seen corresponding path program 1 times [2025-01-22 20:56:52,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 20:56:52,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114457940] [2025-01-22 20:56:52,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:56:52,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:56:52,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-22 20:56:52,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-22 20:56:52,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:56:52,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 20:56:52,632 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 20:56:52,632 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 20:56:52,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-01-22 20:56:52,632 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:52,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-22 20:56:52,632 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:52,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-22 20:56:52,632 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:52,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-22 20:56:52,632 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:52,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-01-22 20:56:52,632 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:52,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-22 20:56:52,632 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:52,632 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 20:56:52,632 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:56:52,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:56:52,633 INFO L85 PathProgramCache]: Analyzing trace with hash 939257462, now seen corresponding path program 9 times [2025-01-22 20:56:52,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:56:52,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37109860] [2025-01-22 20:56:52,633 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 20:56:52,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:56:52,635 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 8 equivalence classes. [2025-01-22 20:56:52,644 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 67 of 67 statements. [2025-01-22 20:56:52,644 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-01-22 20:56:52,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:52,900 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-22 20:56:52,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:56:52,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37109860] [2025-01-22 20:56:52,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37109860] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:56:52,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399587633] [2025-01-22 20:56:52,900 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 20:56:52,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:56:52,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:56:52,902 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 20:56:52,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-22 20:56:52,922 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 8 equivalence classes. [2025-01-22 20:56:52,940 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 67 of 67 statements. [2025-01-22 20:56:52,940 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-01-22 20:56:52,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:52,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-01-22 20:56:52,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:56:53,020 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-22 20:56:53,020 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:56:53,124 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2025-01-22 20:56:53,124 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 14 [2025-01-22 20:56:53,160 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-22 20:56:53,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399587633] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:56:53,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:56:53,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 25 [2025-01-22 20:56:53,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554815865] [2025-01-22 20:56:53,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:56:53,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-01-22 20:56:53,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:56:53,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-01-22 20:56:53,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2025-01-22 20:56:53,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:53,161 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:56:53,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.230769230769231) internal successors, (84), 25 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 20:56:53,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:53,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:53,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:53,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:56:53,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 20:56:53,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-22 20:56:53,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:56:53,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:53,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:56:53,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:56:53,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-22 20:56:53,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:53,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:53,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:53,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:53,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:56:53,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 20:56:53,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-22 20:56:53,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:56:53,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:53,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:56:53,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:56:53,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-22 20:56:53,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:56:53,732 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 20:56:53,927 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,SelfDestructingSolverStorable15 [2025-01-22 20:56:53,927 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 20:56:53,927 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:56:53,927 INFO L139 ounterexampleChecker]: Examining path program with hash -251690954, occurence #6 [2025-01-22 20:56:53,927 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 20:56:53,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-22 20:56:53,928 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:53,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-22 20:56:53,928 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:53,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-22 20:56:53,928 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:53,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-22 20:56:53,928 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:53,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-22 20:56:53,928 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:53,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-22 20:56:53,928 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:53,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-22 20:56:53,928 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:53,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-01-22 20:56:53,928 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:53,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-22 20:56:53,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2025-01-22 20:56:53,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:56:53,960 INFO L85 PathProgramCache]: Analyzing trace with hash -648175797, now seen corresponding path program 1 times [2025-01-22 20:56:53,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 20:56:53,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343509659] [2025-01-22 20:56:53,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:56:53,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:56:53,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-22 20:56:53,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-22 20:56:53,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:56:53,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 20:56:53,965 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 20:56:53,965 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 20:56:53,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-22 20:56:53,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:53,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-22 20:56:53,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:53,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-22 20:56:53,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:53,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-01-22 20:56:53,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:53,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-01-22 20:56:53,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:53,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-22 20:56:53,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:53,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-01-22 20:56:53,965 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:53,965 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 20:56:53,965 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:56:53,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:56:53,965 INFO L85 PathProgramCache]: Analyzing trace with hash -232782953, now seen corresponding path program 10 times [2025-01-22 20:56:53,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:56:53,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549452944] [2025-01-22 20:56:53,966 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 20:56:53,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:56:53,968 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 73 statements into 2 equivalence classes. [2025-01-22 20:56:53,972 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-01-22 20:56:53,972 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 20:56:53,972 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:54,270 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 9 proven. 118 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-22 20:56:54,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:56:54,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549452944] [2025-01-22 20:56:54,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549452944] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:56:54,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123186761] [2025-01-22 20:56:54,271 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 20:56:54,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:56:54,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:56:54,272 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 20:56:54,274 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 20:56:54,293 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 73 statements into 2 equivalence classes. [2025-01-22 20:56:54,307 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-01-22 20:56:54,308 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 20:56:54,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:54,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-01-22 20:56:54,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:56:54,464 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 20:56:54,478 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-22 20:56:54,478 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:56:54,616 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2025-01-22 20:56:54,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2025-01-22 20:56:54,653 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-22 20:56:54,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123186761] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:56:54,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:56:54,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19, 19] total 31 [2025-01-22 20:56:54,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158273109] [2025-01-22 20:56:54,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:56:54,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-01-22 20:56:54,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:56:54,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-01-22 20:56:54,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=916, Unknown=0, NotChecked=0, Total=992 [2025-01-22 20:56:54,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:54,654 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:56:54,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.1875) internal successors, (102), 31 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 20:56:54,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:54,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:54,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:54,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:56:54,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 20:56:54,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-22 20:56:54,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:56:54,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:54,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:56:54,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:56:54,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-22 20:56:54,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:56:54,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:55,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:55,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:55,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:55,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:56:55,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 20:56:55,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-22 20:56:55,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:56:55,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:55,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:56:55,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:56:55,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-22 20:56:55,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:56:55,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-22 20:56:55,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-01-22 20:56:55,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-01-22 20:56:55,624 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 20:56:55,624 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:56:55,624 INFO L139 ounterexampleChecker]: Examining path program with hash -251690954, occurence #7 [2025-01-22 20:56:55,624 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 20:56:55,624 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-22 20:56:55,625 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:55,625 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-22 20:56:55,625 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:56:55,625 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-22 20:56:55,625 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:55,625 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-22 20:56:55,625 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:55,625 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-22 20:56:55,625 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:55,625 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-22 20:56:55,625 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:55,625 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-22 20:56:55,625 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:55,625 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-01-22 20:56:55,625 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:55,625 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-01-22 20:56:55,625 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:56:55,625 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-22 20:56:55,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2025-01-22 20:56:55,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:56:55,671 INFO L85 PathProgramCache]: Analyzing trace with hash 362442028, now seen corresponding path program 1 times [2025-01-22 20:56:55,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 20:56:55,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588438430] [2025-01-22 20:56:55,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:56:55,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:56:55,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-22 20:56:55,675 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-22 20:56:55,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:56:55,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:56:55,737 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-22 20:56:55,737 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-22 20:56:55,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588438430] [2025-01-22 20:56:55,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588438430] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 20:56:55,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 20:56:55,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-22 20:56:55,738 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 43. Constructing proof automaton... [2025-01-22 20:56:55,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 20:56:55,739 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-01-22 20:56:55,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-22 20:56:55,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-01-22 20:56:55,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-22 20:56:55,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-01-22 20:56:55,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:55,739 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:56:55,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 20:56:55,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:55,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:55,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:55,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:56:55,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 20:56:55,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-22 20:56:55,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:56:55,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:55,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:56:55,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:56:55,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-22 20:56:55,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:56:55,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-22 20:56:55,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:56:57,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:56:57,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:56:57,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:56:57,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-22 20:56:57,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-01-22 20:56:57,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-22 20:56:57,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-22 20:56:57,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-22 20:56:57,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-22 20:56:57,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-22 20:56:57,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-22 20:56:57,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-01-22 20:56:57,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-01-22 20:56:57,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 20:56:57,653 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2025-01-22 20:56:57,653 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2025-01-22 20:56:57,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-01-22 20:56:57,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-01-22 20:56:57,657 INFO L422 BasicCegarLoop]: Path program histogram: [10, 2, 1] [2025-01-22 20:56:57,659 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-22 20:56:57,659 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-22 20:56:57,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-01-22 20:56:57,668 INFO L201 PluginConnector]: Adding new model queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.01 08:56:57 BasicIcfg [2025-01-22 20:56:57,668 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-22 20:56:57,669 INFO L158 Benchmark]: Toolchain (without parser) took 16897.30ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 81.4MB in the beginning and 82.3MB in the end (delta: -941.0kB). Peak memory consumption was 99.5MB. Max. memory is 16.0GB. [2025-01-22 20:56:57,669 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 20:56:57,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.33ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 20:56:57,669 INFO L158 Benchmark]: Boogie Preprocessor took 13.05ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.4MB in the end (delta: 704.0kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 20:56:57,669 INFO L158 Benchmark]: RCFGBuilder took 201.43ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 69.5MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-01-22 20:56:57,669 INFO L158 Benchmark]: TraceAbstraction took 16658.90ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 69.0MB in the beginning and 82.3MB in the end (delta: -13.3MB). Peak memory consumption was 91.1MB. Max. memory is 16.0GB. [2025-01-22 20:56:57,670 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 0.18ms. Allocated memory is still 117.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 18.33ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 13.05ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.4MB in the end (delta: 704.0kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 201.43ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 69.5MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 16658.90ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 69.0MB in the beginning and 82.3MB in the end (delta: -13.3MB). Peak memory consumption was 91.1MB. 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: 1891, independent: 1451, independent conditional: 1243, independent unconditional: 208, dependent: 440, dependent conditional: 438, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1468, independent: 1451, independent conditional: 1243, independent unconditional: 208, dependent: 17, dependent conditional: 15, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1468, independent: 1451, independent conditional: 1243, independent unconditional: 208, dependent: 17, dependent conditional: 15, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1715, independent: 1451, independent conditional: 1243, independent unconditional: 208, dependent: 264, dependent conditional: 262, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1715, independent: 1451, independent conditional: 116, independent unconditional: 1335, dependent: 264, dependent conditional: 99, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1715, independent: 1451, independent conditional: 116, independent unconditional: 1335, dependent: 264, dependent conditional: 99, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 287, independent: 275, independent conditional: 94, independent unconditional: 181, dependent: 12, dependent conditional: 10, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 287, independent: 178, independent conditional: 0, independent unconditional: 178, dependent: 109, dependent conditional: 0, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 109, independent: 97, independent conditional: 94, independent unconditional: 3, dependent: 12, dependent conditional: 10, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, independent: 97, independent conditional: 94, independent unconditional: 3, dependent: 12, dependent conditional: 10, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 877, independent: 774, independent conditional: 701, independent unconditional: 72, dependent: 103, dependent conditional: 74, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 6, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1715, independent: 1176, independent conditional: 22, independent unconditional: 1154, dependent: 252, dependent conditional: 89, dependent unconditional: 163, unknown: 287, unknown conditional: 104, unknown unconditional: 183] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 281, Positive conditional cache size: 100, Positive unconditional cache size: 181, Negative cache size: 12, Negative conditional cache size: 10, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1290, Maximal queried relation: 12, Independence queries for same thread: 423, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 32, Number of trivial persistent sets: 19, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 210, independent: 208, independent conditional: 0, independent unconditional: 208, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1891, independent: 1451, independent conditional: 1243, independent unconditional: 208, dependent: 440, dependent conditional: 438, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1468, independent: 1451, independent conditional: 1243, independent unconditional: 208, dependent: 17, dependent conditional: 15, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1468, independent: 1451, independent conditional: 1243, independent unconditional: 208, dependent: 17, dependent conditional: 15, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1715, independent: 1451, independent conditional: 1243, independent unconditional: 208, dependent: 264, dependent conditional: 262, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1715, independent: 1451, independent conditional: 116, independent unconditional: 1335, dependent: 264, dependent conditional: 99, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1715, independent: 1451, independent conditional: 116, independent unconditional: 1335, dependent: 264, dependent conditional: 99, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 287, independent: 275, independent conditional: 94, independent unconditional: 181, dependent: 12, dependent conditional: 10, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 287, independent: 178, independent conditional: 0, independent unconditional: 178, dependent: 109, dependent conditional: 0, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 109, independent: 97, independent conditional: 94, independent unconditional: 3, dependent: 12, dependent conditional: 10, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, independent: 97, independent conditional: 94, independent unconditional: 3, dependent: 12, dependent conditional: 10, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 877, independent: 774, independent conditional: 701, independent unconditional: 72, dependent: 103, dependent conditional: 74, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 6, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1715, independent: 1176, independent conditional: 22, independent unconditional: 1154, dependent: 252, dependent conditional: 89, dependent unconditional: 163, unknown: 287, unknown conditional: 104, unknown unconditional: 183] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 281, Positive conditional cache size: 100, Positive unconditional cache size: 181, Negative cache size: 12, Negative conditional cache size: 10, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1290, Maximal queried relation: 12, Independence queries for same thread: 423 - PositiveResult [Line: 60]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 35 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 16.5s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 8.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 442, 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: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 1069 NumberOfCodeBlocks, 1069 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 1509 ConstructedInterpolants, 0 QuantifiedInterpolants, 7838 SizeOfPredicates, 51 NumberOfNonLiveVariables, 1360 ConjunctsInSsa, 328 ConjunctsInUnsatCore, 35 InterpolantComputations, 3 PerfectInterpolantSequences, 384/1641 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: 1, ConComChecker Statistics: CheckTime [ms]: 330, ConditionCalculationTime [ms]: 232, ConditionCalculations: 60, QuantifiedConditions: 0, TraceChecks: 6, UnknownTraceChecks: 0, UnsatisfiedConditions: 5, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-22 20:56:57,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...