/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/mult-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-22 20:44:47,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-22 20:44:47,783 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 20:44:47,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-22 20:44:47,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-22 20:44:47,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-22 20:44:47,823 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-22 20:44:47,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-22 20:44:47,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-22 20:44:47,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-22 20:44:47,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-22 20:44:47,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-22 20:44:47,825 INFO L153 SettingsManager]: * Use SBE=true [2025-01-22 20:44:47,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-22 20:44:47,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-22 20:44:47,825 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-22 20:44:47,825 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-22 20:44:47,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-22 20:44:47,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-22 20:44:47,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-22 20:44:47,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-22 20:44:47,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-22 20:44:47,825 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-22 20:44:47,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-22 20:44:47,825 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-22 20:44:47,825 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-22 20:44:47,825 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-22 20:44:47,826 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-22 20:44:47,826 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-22 20:44:47,826 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-22 20:44:47,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 20:44:47,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-22 20:44:47,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-22 20:44:47,826 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-22 20:44:47,826 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-22 20:44:47,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-22 20:44:47,826 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-22 20:44:47,826 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-22 20:44:47,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-22 20:44:47,826 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-22 20:44:47,826 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-22 20:44:47,827 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-22 20:44:47,827 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-22 20:44:47,827 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 20:44:48,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-22 20:44:48,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-22 20:44:48,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-22 20:44:48,075 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-22 20:44:48,076 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-22 20:44:48,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl [2025-01-22 20:44:48,078 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl' [2025-01-22 20:44:48,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-22 20:44:48,101 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-22 20:44:48,102 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-22 20:44:48,102 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-22 20:44:48,102 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-22 20:44:48,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:44:48" (1/1) ... [2025-01-22 20:44:48,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:44:48" (1/1) ... [2025-01-22 20:44:48,121 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-22 20:44:48,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-22 20:44:48,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-22 20:44:48,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-22 20:44:48,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-22 20:44:48,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:44:48" (1/1) ... [2025-01-22 20:44:48,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:44:48" (1/1) ... [2025-01-22 20:44:48,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:44:48" (1/1) ... [2025-01-22 20:44:48,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:44:48" (1/1) ... [2025-01-22 20:44:48,132 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:44:48" (1/1) ... [2025-01-22 20:44:48,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:44:48" (1/1) ... [2025-01-22 20:44:48,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:44:48" (1/1) ... [2025-01-22 20:44:48,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:44:48" (1/1) ... [2025-01-22 20:44:48,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:44:48" (1/1) ... [2025-01-22 20:44:48,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-22 20:44:48,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-22 20:44:48,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-22 20:44:48,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-22 20:44:48,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:44:48" (1/1) ... [2025-01-22 20:44:48,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 20:44:48,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:44:48,164 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 20:44:48,171 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 20:44:48,191 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-22 20:44:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-22 20:44:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-22 20:44:48,191 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-22 20:44:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-22 20:44:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-22 20:44:48,191 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-22 20:44:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-22 20:44:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-22 20:44:48,192 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-01-22 20:44:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-22 20:44:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-22 20:44:48,192 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2025-01-22 20:44:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-01-22 20:44:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-01-22 20:44:48,192 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 20:44:48,232 INFO L234 CfgBuilder]: Building ICFG [2025-01-22 20:44:48,234 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-22 20:44:48,319 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-22 20:44:48,319 INFO L283 CfgBuilder]: Performing block encoding [2025-01-22 20:44:48,347 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-22 20:44:48,348 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-22 20:44:48,348 INFO L201 PluginConnector]: Adding new model mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 08:44:48 BoogieIcfgContainer [2025-01-22 20:44:48,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-22 20:44:48,350 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-22 20:44:48,350 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-22 20:44:48,353 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-22 20:44:48,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:44:48" (1/2) ... [2025-01-22 20:44:48,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa46aa0 and model type mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.01 08:44:48, skipping insertion in model container [2025-01-22 20:44:48,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 08:44:48" (2/2) ... [2025-01-22 20:44:48,355 INFO L128 eAbstractionObserver]: Analyzing ICFG mult-4.wvr.bpl [2025-01-22 20:44:48,364 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-22 20:44:48,365 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mult-4.wvr.bpl that has 5 procedures, 25 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-01-22 20:44:48,365 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-22 20:44:48,395 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-01-22 20:44:48,425 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 20:44:48,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-22 20:44:48,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:44:48,428 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 20:44:48,429 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 20:44:48,517 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-22 20:44:48,543 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-22 20:44:48,552 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;@7bd5ce75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 20:44:48,556 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-01-22 20:44:48,962 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 20:44:48,962 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:44:48,964 INFO L139 ounterexampleChecker]: Examining path program with hash 1868603469, occurence #1 [2025-01-22 20:44:48,964 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:44:48,964 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:44:48,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:44:48,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1793730955, now seen corresponding path program 1 times [2025-01-22 20:44:48,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:44:48,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097578983] [2025-01-22 20:44:48,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:44:48,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:44:49,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-01-22 20:44:49,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-01-22 20:44:49,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:44:49,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:44:49,875 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 20:44:49,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:44:49,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097578983] [2025-01-22 20:44:49,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097578983] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 20:44:49,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 20:44:49,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2025-01-22 20:44:49,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850578405] [2025-01-22 20:44:49,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 20:44:49,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-22 20:44:49,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:44:49,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-22 20:44:49,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2025-01-22 20:44:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:44:49,895 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:44:49,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.1875) internal successors, (51), 15 states have internal predecessors, (51), 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 20:44:49,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:44:50,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 20:44:50,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-22 20:44:50,463 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 20:44:50,463 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:44:50,463 INFO L139 ounterexampleChecker]: Examining path program with hash -682395736, occurence #1 [2025-01-22 20:44:50,463 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:44:50,464 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:44:50,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:44:50,464 INFO L85 PathProgramCache]: Analyzing trace with hash 854413755, now seen corresponding path program 2 times [2025-01-22 20:44:50,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:44:50,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057908716] [2025-01-22 20:44:50,464 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 20:44:50,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:44:50,473 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 51 statements into 2 equivalence classes. [2025-01-22 20:44:50,484 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 51 of 51 statements. [2025-01-22 20:44:50,484 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 20:44:50,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:44:50,910 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:44:50,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:44:50,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057908716] [2025-01-22 20:44:50,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057908716] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:44:50,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955830599] [2025-01-22 20:44:50,910 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 20:44:50,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:44:50,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:44:50,958 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 20:44:50,960 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 20:44:50,982 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 51 statements into 2 equivalence classes. [2025-01-22 20:44:50,997 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 51 of 51 statements. [2025-01-22 20:44:50,997 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 20:44:50,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:44:50,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-22 20:44:51,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:44:51,121 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-22 20:44:51,121 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:44:51,294 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-22 20:44:51,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955830599] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:44:51,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:44:51,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5, 6] total 26 [2025-01-22 20:44:51,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945345264] [2025-01-22 20:44:51,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:44:51,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-01-22 20:44:51,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:44:51,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-01-22 20:44:51,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=594, Unknown=0, NotChecked=0, Total=702 [2025-01-22 20:44:51,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:44:51,300 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:44:51,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.814814814814815) internal successors, (103), 26 states have internal predecessors, (103), 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 20:44:51,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 20:44:51,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:44:52,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:44:52,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-22 20:44:52,178 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 20:44:52,372 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 20:44:52,372 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 20:44:52,372 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:44:52,372 INFO L139 ounterexampleChecker]: Examining path program with hash -970216923, occurence #1 [2025-01-22 20:44:52,372 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:44:52,372 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:44:52,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:44:52,373 INFO L85 PathProgramCache]: Analyzing trace with hash -746895493, now seen corresponding path program 3 times [2025-01-22 20:44:52,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:44:52,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363064980] [2025-01-22 20:44:52,373 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 20:44:52,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:44:52,384 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 89 statements into 5 equivalence classes. [2025-01-22 20:44:52,411 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 83 of 89 statements. [2025-01-22 20:44:52,411 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-22 20:44:52,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:44:52,537 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2025-01-22 20:44:52,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:44:52,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363064980] [2025-01-22 20:44:52,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363064980] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:44:52,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335518142] [2025-01-22 20:44:52,538 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 20:44:52,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:44:52,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:44:52,540 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 20:44:52,541 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 20:44:52,565 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 89 statements into 5 equivalence classes. [2025-01-22 20:44:52,588 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 83 of 89 statements. [2025-01-22 20:44:52,588 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-22 20:44:52,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:44:52,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-22 20:44:52,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:44:52,633 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2025-01-22 20:44:52,633 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:44:52,715 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2025-01-22 20:44:52,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335518142] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:44:52,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:44:52,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2025-01-22 20:44:52,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457355435] [2025-01-22 20:44:52,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:44:52,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-22 20:44:52,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:44:52,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-22 20:44:52,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-22 20:44:52,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:44:52,717 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:44:52,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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 20:44:52,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:44:52,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-01-22 20:44:52,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:44:53,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:44:53,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-22 20:44:53,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:44:53,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-22 20:44:53,391 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 20:44:53,391 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 20:44:53,391 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:44:53,391 INFO L139 ounterexampleChecker]: Examining path program with hash 169012324, occurence #1 [2025-01-22 20:44:53,391 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:44:53,391 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:44:53,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:44:53,392 INFO L85 PathProgramCache]: Analyzing trace with hash -491344097, now seen corresponding path program 4 times [2025-01-22 20:44:53,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:44:53,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203235059] [2025-01-22 20:44:53,392 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 20:44:53,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:44:53,401 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 99 statements into 2 equivalence classes. [2025-01-22 20:44:53,410 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-01-22 20:44:53,410 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 20:44:53,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:44:54,555 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 41 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:44:54,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:44:54,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203235059] [2025-01-22 20:44:54,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203235059] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:44:54,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105009277] [2025-01-22 20:44:54,556 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 20:44:54,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:44:54,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:44:54,560 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 20:44:54,562 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 20:44:54,584 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 99 statements into 2 equivalence classes. [2025-01-22 20:44:54,605 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-01-22 20:44:54,606 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 20:44:54,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:44:54,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-22 20:44:54,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:44:54,862 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-01-22 20:44:54,862 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:44:55,446 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-22 20:44:55,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105009277] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:44:55,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:44:55,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 7, 20] total 62 [2025-01-22 20:44:55,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130661522] [2025-01-22 20:44:55,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:44:55,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-01-22 20:44:55,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:44:55,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-01-22 20:44:55,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=424, Invalid=3482, Unknown=0, NotChecked=0, Total=3906 [2025-01-22 20:44:55,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:44:55,451 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:44:55,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.0) internal successors, (189), 62 states have internal predecessors, (189), 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 20:44:55,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:44:55,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-22 20:44:55,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:44:55,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:45:10,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:45:10,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:45:10,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:45:10,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 369 states. [2025-01-22 20:45:10,957 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 20:45:11,156 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 20:45:11,156 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 20:45:11,156 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:45:11,156 INFO L139 ounterexampleChecker]: Examining path program with hash 1425995725, occurence #1 [2025-01-22 20:45:11,156 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:45:11,156 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:45:11,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:45:11,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1619155907, now seen corresponding path program 5 times [2025-01-22 20:45:11,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:45:11,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34135044] [2025-01-22 20:45:11,157 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 20:45:11,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:45:11,168 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 371 statements into 33 equivalence classes. [2025-01-22 20:45:11,321 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 33 check-sat command(s) and asserted 371 of 371 statements. [2025-01-22 20:45:11,322 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 33 check-sat command(s) [2025-01-22 20:45:11,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:45:15,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2674 backedges. 98 proven. 1000 refuted. 0 times theorem prover too weak. 1576 trivial. 0 not checked. [2025-01-22 20:45:15,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:45:15,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34135044] [2025-01-22 20:45:15,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34135044] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:45:15,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14039863] [2025-01-22 20:45:15,498 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 20:45:15,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:45:15,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:45:15,499 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 20:45:15,501 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 20:45:15,544 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 371 statements into 33 equivalence classes. [2025-01-22 20:45:15,661 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 33 check-sat command(s) and asserted 371 of 371 statements. [2025-01-22 20:45:15,662 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 33 check-sat command(s) [2025-01-22 20:45:15,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:45:15,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 1050 conjuncts, 170 conjuncts are in the unsatisfiable core [2025-01-22 20:45:15,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:45:16,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2674 backedges. 551 proven. 539 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2025-01-22 20:45:16,575 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:45:17,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2674 backedges. 158 proven. 932 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2025-01-22 20:45:17,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14039863] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:45:17,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:45:17,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 14] total 42 [2025-01-22 20:45:17,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890868266] [2025-01-22 20:45:17,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:45:17,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-01-22 20:45:17,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:45:17,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-01-22 20:45:17,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=431, Invalid=1375, Unknown=0, NotChecked=0, Total=1806 [2025-01-22 20:45:17,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:45:17,148 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:45:17,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 6.604651162790698) internal successors, (284), 42 states have internal predecessors, (284), 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 20:45:17,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:45:17,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:45:17,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:45:17,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 369 states. [2025-01-22 20:45:17,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:45:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:45:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:45:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:45:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 369 states. [2025-01-22 20:45:18,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:45:18,235 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 20:45:18,432 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 20:45:18,432 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 20:45:18,432 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:45:18,432 INFO L139 ounterexampleChecker]: Examining path program with hash 1425995725, occurence #2 [2025-01-22 20:45:18,433 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 20:45:18,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-01-22 20:45:18,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:45:18,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1581946399, now seen corresponding path program 1 times [2025-01-22 20:45:18,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 20:45:18,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265815869] [2025-01-22 20:45:18,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:45:18,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:45:18,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-22 20:45:18,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-22 20:45:18,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:45:18,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 20:45:18,484 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 20:45:18,484 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 20:45:18,484 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 104 is hopeless, skipping. [2025-01-22 20:45:18,484 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 112 is hopeless, skipping. [2025-01-22 20:45:18,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-01-22 20:45:18,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:45:18,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1596741397, now seen corresponding path program 1 times [2025-01-22 20:45:18,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 20:45:18,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807422853] [2025-01-22 20:45:18,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:45:18,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:45:18,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-22 20:45:18,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-22 20:45:18,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:45:18,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:45:18,568 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2025-01-22 20:45:18,568 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-22 20:45:18,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807422853] [2025-01-22 20:45:18,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807422853] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 20:45:18,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 20:45:18,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-22 20:45:18,569 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 119. Constructing proof automaton... [2025-01-22 20:45:18,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 20:45:18,570 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-01-22 20:45:18,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 20:45:18,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-01-22 20:45:18,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-22 20:45:18,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-22 20:45:18,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:45:18,570 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:45:18,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) 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 20:45:18,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:45:18,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:45:18,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:45:18,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 369 states. [2025-01-22 20:45:18,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:45:18,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:45:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:45:18,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:45:18,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:45:18,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 369 states. [2025-01-22 20:45:18,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:45:18,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:45:18,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2025-01-22 20:45:18,752 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 20:45:18,752 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:45:18,752 INFO L139 ounterexampleChecker]: Examining path program with hash -967296171, occurence #1 [2025-01-22 20:45:18,752 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:45:18,752 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:45:18,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:45:18,753 INFO L85 PathProgramCache]: Analyzing trace with hash -172090227, now seen corresponding path program 6 times [2025-01-22 20:45:18,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:45:18,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908008896] [2025-01-22 20:45:18,753 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 20:45:18,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:45:18,764 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 433 statements into 40 equivalence classes. [2025-01-22 20:45:18,871 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 38 check-sat command(s) and asserted 409 of 433 statements. [2025-01-22 20:45:18,871 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 38 check-sat command(s) [2025-01-22 20:45:18,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:45:20,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3550 backedges. 867 proven. 1924 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2025-01-22 20:45:20,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:45:20,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908008896] [2025-01-22 20:45:20,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908008896] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:45:20,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473205432] [2025-01-22 20:45:20,521 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 20:45:20,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:45:20,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:45:20,523 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 20:45:20,524 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 20:45:20,566 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 433 statements into 40 equivalence classes. [2025-01-22 20:45:20,697 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 38 check-sat command(s) and asserted 409 of 433 statements. [2025-01-22 20:45:20,698 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 38 check-sat command(s) [2025-01-22 20:45:20,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:45:20,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 56 conjuncts are in the unsatisfiable core [2025-01-22 20:45:20,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:45:22,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3550 backedges. 867 proven. 1924 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2025-01-22 20:45:22,422 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:45:24,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3550 backedges. 1839 proven. 959 refuted. 0 times theorem prover too weak. 752 trivial. 0 not checked. [2025-01-22 20:45:24,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473205432] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:45:24,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:45:24,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 53] total 125 [2025-01-22 20:45:24,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842340616] [2025-01-22 20:45:24,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:45:24,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2025-01-22 20:45:24,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:45:24,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2025-01-22 20:45:24,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3069, Invalid=12681, Unknown=0, NotChecked=0, Total=15750 [2025-01-22 20:45:24,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:45:24,635 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:45:24,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 5.531746031746032) internal successors, (697), 125 states have internal predecessors, (697), 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 20:45:24,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:45:24,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:45:24,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:45:24,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 369 states. [2025-01-22 20:45:24,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:45:24,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:45:24,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:45:28,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:45:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:45:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:45:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 369 states. [2025-01-22 20:45:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:45:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:45:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-01-22 20:45:28,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-22 20:45:28,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:45:28,588 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 20:45:28,588 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:45:28,588 INFO L139 ounterexampleChecker]: Examining path program with hash 537283464, occurence #1 [2025-01-22 20:45:28,588 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:45:28,588 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:45:28,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:45:28,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1084024991, now seen corresponding path program 7 times [2025-01-22 20:45:28,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:45:28,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264555778] [2025-01-22 20:45:28,589 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 20:45:28,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:45:28,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 551 statements into 1 equivalence classes. [2025-01-22 20:45:28,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 551 of 551 statements. [2025-01-22 20:45:28,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:45:28,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:45:35,879 INFO L134 CoverageAnalysis]: Checked inductivity of 5325 backedges. 148 proven. 2306 refuted. 0 times theorem prover too weak. 2871 trivial. 0 not checked. [2025-01-22 20:45:35,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:45:35,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264555778] [2025-01-22 20:45:35,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264555778] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:45:35,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087105393] [2025-01-22 20:45:35,879 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 20:45:35,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:45:35,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:45:35,881 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 20:45:35,882 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 20:45:35,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 551 statements into 1 equivalence classes. [2025-01-22 20:45:36,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 551 of 551 statements. [2025-01-22 20:45:36,048 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:45:36,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:45:36,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 1540 conjuncts, 218 conjuncts are in the unsatisfiable core [2025-01-22 20:45:36,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:45:36,449 INFO L134 CoverageAnalysis]: Checked inductivity of 5325 backedges. 148 proven. 2306 refuted. 0 times theorem prover too weak. 2871 trivial. 0 not checked. [2025-01-22 20:45:36,449 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:45:37,820 INFO L134 CoverageAnalysis]: Checked inductivity of 5325 backedges. 148 proven. 2306 refuted. 0 times theorem prover too weak. 2871 trivial. 0 not checked. [2025-01-22 20:45:37,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087105393] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:45:37,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:45:37,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 15 [2025-01-22 20:45:37,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143900806] [2025-01-22 20:45:37,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:45:37,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-22 20:45:37,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:45:37,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-22 20:45:37,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2025-01-22 20:45:37,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:45:37,822 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:45:37,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.0) internal successors, (128), 15 states have internal predecessors, (128), 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 20:45:37,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:45:37,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:45:37,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:45:37,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 369 states. [2025-01-22 20:45:37,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:45:37,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:45:37,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-01-22 20:45:37,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:45:38,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:45:38,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:45:38,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:45:38,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 369 states. [2025-01-22 20:45:38,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:45:38,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:45:38,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-01-22 20:45:38,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:45:38,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-22 20:45:38,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:45:38,960 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 20:45:38,960 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:45:38,960 INFO L139 ounterexampleChecker]: Examining path program with hash 537283464, occurence #2 [2025-01-22 20:45:38,960 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 20:45:38,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-22 20:45:38,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:45:38,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1393605655, now seen corresponding path program 1 times [2025-01-22 20:45:38,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 20:45:38,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866524690] [2025-01-22 20:45:38,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:45:38,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:45:38,990 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-22 20:45:38,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-22 20:45:38,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:45:38,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:45:39,004 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 20:45:39,004 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-22 20:45:39,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866524690] [2025-01-22 20:45:39,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866524690] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 20:45:39,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 20:45:39,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-22 20:45:39,005 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 17. Constructing proof automaton... [2025-01-22 20:45:39,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 20:45:39,005 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-01-22 20:45:39,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-22 20:45:39,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-01-22 20:45:39,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-22 20:45:39,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-22 20:45:39,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:45:39,005 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:45:39,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 20:45:39,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:45:39,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:45:39,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:45:39,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 369 states. [2025-01-22 20:45:39,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:45:39,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:45:39,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-01-22 20:45:39,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:45:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:45:40,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:45:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:45:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:45:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 403 states. [2025-01-22 20:45:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:45:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:45:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-01-22 20:45:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:45:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:45:40,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-22 20:45:40,310 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 20:45:40,310 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:45:40,310 INFO L139 ounterexampleChecker]: Examining path program with hash 222016866, occurence #1 [2025-01-22 20:45:40,310 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:45:40,310 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:45:40,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:45:40,311 INFO L85 PathProgramCache]: Analyzing trace with hash 938038589, now seen corresponding path program 8 times [2025-01-22 20:45:40,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:45:40,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271084102] [2025-01-22 20:45:40,311 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 20:45:40,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:45:40,315 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 197 statements into 2 equivalence classes. [2025-01-22 20:45:40,335 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 197 of 197 statements. [2025-01-22 20:45:40,336 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 20:45:40,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:45:40,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 1109 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:45:40,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:45:40,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271084102] [2025-01-22 20:45:40,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271084102] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:45:40,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603256345] [2025-01-22 20:45:40,975 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 20:45:40,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:45:40,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:45:40,976 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 20:45:40,977 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 20:45:41,002 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 197 statements into 2 equivalence classes. [2025-01-22 20:45:41,042 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 197 of 197 statements. [2025-01-22 20:45:41,042 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 20:45:41,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:45:41,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 52 conjuncts are in the unsatisfiable core [2025-01-22 20:45:41,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:45:41,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 3 proven. 529 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2025-01-22 20:45:41,414 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:45:42,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 1 proven. 1124 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-01-22 20:45:42,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603256345] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:45:42,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:45:42,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 5, 51] total 89 [2025-01-22 20:45:42,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550409886] [2025-01-22 20:45:42,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:45:42,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2025-01-22 20:45:42,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:45:42,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2025-01-22 20:45:42,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=654, Invalid=7356, Unknown=0, NotChecked=0, Total=8010 [2025-01-22 20:45:42,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:45:42,888 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:45:42,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 4.277777777777778) internal successors, (385), 89 states have internal predecessors, (385), 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 20:45:42,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:45:42,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:45:42,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:45:42,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 403 states. [2025-01-22 20:45:42,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:45:42,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:45:42,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2025-01-22 20:45:42,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:45:42,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:45:42,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:45:51,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:45:51,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-22 20:45:51,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:45:51,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 407 states. [2025-01-22 20:45:51,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:45:51,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:45:51,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:45:51,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:45:51,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:45:51,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2025-01-22 20:45:51,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-22 20:45:51,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:45:51,869 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 20:45:51,869 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:45:51,869 INFO L139 ounterexampleChecker]: Examining path program with hash 462390596, occurence #1 [2025-01-22 20:45:51,869 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:45:51,869 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:45:51,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:45:51,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1613001961, now seen corresponding path program 9 times [2025-01-22 20:45:51,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:45:51,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316897717] [2025-01-22 20:45:51,869 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 20:45:51,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:45:51,878 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 283 statements into 28 equivalence classes. [2025-01-22 20:45:51,945 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) and asserted 283 of 283 statements. [2025-01-22 20:45:51,945 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) [2025-01-22 20:45:51,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:45:53,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2203 backedges. 1628 proven. 499 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2025-01-22 20:45:53,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:45:53,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316897717] [2025-01-22 20:45:53,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316897717] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:45:53,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556332140] [2025-01-22 20:45:53,475 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 20:45:53,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:45:53,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:45:53,476 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 20:45:53,478 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 20:45:53,506 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 283 statements into 28 equivalence classes. [2025-01-22 20:45:53,592 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) and asserted 283 of 283 statements. [2025-01-22 20:45:53,592 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) [2025-01-22 20:45:53,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:45:53,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 74 conjuncts are in the unsatisfiable core [2025-01-22 20:45:53,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:45:54,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2203 backedges. 1628 proven. 500 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-01-22 20:45:54,607 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:45:56,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2203 backedges. 1610 proven. 592 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 20:45:56,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556332140] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:45:56,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:45:56,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 71] total 127 [2025-01-22 20:45:56,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787590397] [2025-01-22 20:45:56,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:45:56,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2025-01-22 20:45:56,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:45:56,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2025-01-22 20:45:56,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2901, Invalid=13355, Unknown=0, NotChecked=0, Total=16256 [2025-01-22 20:45:56,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:45:56,701 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:45:56,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 128 states have (on average 4.8828125) internal successors, (625), 127 states have internal predecessors, (625), 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 20:45:56,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:45:56,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-22 20:45:56,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:45:56,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 407 states. [2025-01-22 20:45:56,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:45:56,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:45:56,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:45:56,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:45:56,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:45:56,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2025-01-22 20:45:56,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:46:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:46:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-22 20:46:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:46:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2025-01-22 20:46:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:46:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:46:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:46:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:46:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:46:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2025-01-22 20:46:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2025-01-22 20:46:04,454 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 20:46:04,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:46:04,652 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 20:46:04,652 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:46:04,652 INFO L139 ounterexampleChecker]: Examining path program with hash 323784420, occurence #1 [2025-01-22 20:46:04,652 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:46:04,652 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:46:04,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:46:04,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1506547783, now seen corresponding path program 10 times [2025-01-22 20:46:04,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:46:04,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825106070] [2025-01-22 20:46:04,653 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 20:46:04,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:46:04,666 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 355 statements into 2 equivalence classes. [2025-01-22 20:46:04,795 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 355 of 355 statements. [2025-01-22 20:46:04,795 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 20:46:04,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:46:08,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2935 backedges. 747 proven. 2109 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2025-01-22 20:46:08,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:46:08,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825106070] [2025-01-22 20:46:08,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825106070] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:46:08,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397018821] [2025-01-22 20:46:08,136 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 20:46:08,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:46:08,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:46:08,138 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 20:46:08,139 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 20:46:08,177 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 355 statements into 2 equivalence classes. [2025-01-22 20:46:08,249 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 355 of 355 statements. [2025-01-22 20:46:08,249 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 20:46:08,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:46:08,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 84 conjuncts are in the unsatisfiable core [2025-01-22 20:46:08,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:46:08,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2935 backedges. 57 proven. 187 refuted. 0 times theorem prover too weak. 2691 trivial. 0 not checked. [2025-01-22 20:46:08,824 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:46:12,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2935 backedges. 36 proven. 2187 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2025-01-22 20:46:12,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397018821] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:46:12,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:46:12,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 7, 83] total 152 [2025-01-22 20:46:12,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264442117] [2025-01-22 20:46:12,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:46:12,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 153 states [2025-01-22 20:46:12,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:46:12,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2025-01-22 20:46:12,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1633, Invalid=21623, Unknown=0, NotChecked=0, Total=23256 [2025-01-22 20:46:12,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:46:12,078 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:46:12,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 153 states, 153 states have (on average 3.758169934640523) internal successors, (575), 152 states have internal predecessors, (575), 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 20:46:12,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:46:12,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-22 20:46:12,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:46:12,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2025-01-22 20:46:12,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:46:12,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:46:12,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:46:12,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:46:12,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:46:12,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2025-01-22 20:46:12,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2025-01-22 20:46:12,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:46:21,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:46:21,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-22 20:46:21,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:46:21,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2025-01-22 20:46:21,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:46:21,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:46:21,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:46:21,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:46:21,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:46:21,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-01-22 20:46:21,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2025-01-22 20:46:21,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2025-01-22 20:46:21,893 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 20:46:22,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-01-22 20:46:22,087 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 20:46:22,087 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:46:22,087 INFO L139 ounterexampleChecker]: Examining path program with hash 993397859, occurence #1 [2025-01-22 20:46:22,088 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:46:22,088 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:46:22,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:46:22,088 INFO L85 PathProgramCache]: Analyzing trace with hash -801195019, now seen corresponding path program 11 times [2025-01-22 20:46:22,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:46:22,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057324235] [2025-01-22 20:46:22,088 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 20:46:22,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:46:22,096 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 393 statements into 37 equivalence classes. [2025-01-22 20:46:22,273 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 37 check-sat command(s) and asserted 393 of 393 statements. [2025-01-22 20:46:22,273 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 37 check-sat command(s) [2025-01-22 20:46:22,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:46:27,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4161 backedges. 1 proven. 4153 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-22 20:46:27,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:46:27,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057324235] [2025-01-22 20:46:27,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057324235] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:46:27,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507304977] [2025-01-22 20:46:27,345 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 20:46:27,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:46:27,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:46:27,347 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 20:46:27,348 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 20:46:27,386 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 393 statements into 37 equivalence classes. [2025-01-22 20:46:27,490 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 37 check-sat command(s) and asserted 393 of 393 statements. [2025-01-22 20:46:27,490 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 37 check-sat command(s) [2025-01-22 20:46:27,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:46:27,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 83 conjuncts are in the unsatisfiable core [2025-01-22 20:46:27,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:46:31,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4161 backedges. 2746 proven. 1367 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-22 20:46:31,672 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:46:38,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4161 backedges. 2701 proven. 1459 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 20:46:38,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507304977] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:46:38,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:46:38,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 65, 82] total 180 [2025-01-22 20:46:38,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372259321] [2025-01-22 20:46:38,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:46:38,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2025-01-22 20:46:38,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:46:38,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2025-01-22 20:46:38,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3052, Invalid=29528, Unknown=0, NotChecked=0, Total=32580 [2025-01-22 20:46:38,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:46:38,094 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:46:38,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 5.259668508287293) internal successors, (952), 180 states have internal predecessors, (952), 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 20:46:38,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:46:38,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-22 20:46:38,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:46:38,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2025-01-22 20:46:38,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:46:38,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:46:38,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:46:38,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:46:38,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:46:38,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2025-01-22 20:46:38,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2025-01-22 20:46:38,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2025-01-22 20:46:38,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:47:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:47:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-22 20:47:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:47:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2025-01-22 20:47:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:47:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:47:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:47:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:47:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:47:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2025-01-22 20:47:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2025-01-22 20:47:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2025-01-22 20:47:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2025-01-22 20:47:18,652 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 20:47:18,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-01-22 20:47:18,853 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 20:47:18,853 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:47:18,854 INFO L139 ounterexampleChecker]: Examining path program with hash -970316899, occurence #1 [2025-01-22 20:47:18,854 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:47:18,854 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:47:18,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:47:18,854 INFO L85 PathProgramCache]: Analyzing trace with hash -2049403545, now seen corresponding path program 12 times [2025-01-22 20:47:18,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:47:18,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079137662] [2025-01-22 20:47:18,854 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 20:47:18,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:47:18,865 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 473 statements into 51 equivalence classes. [2025-01-22 20:47:18,940 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 51 check-sat command(s) and asserted 473 of 473 statements. [2025-01-22 20:47:18,940 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 51 check-sat command(s) [2025-01-22 20:47:18,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:47:21,365 INFO L134 CoverageAnalysis]: Checked inductivity of 7377 backedges. 123 proven. 1528 refuted. 0 times theorem prover too weak. 5726 trivial. 0 not checked. [2025-01-22 20:47:21,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:47:21,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079137662] [2025-01-22 20:47:21,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079137662] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:47:21,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482389497] [2025-01-22 20:47:21,365 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 20:47:21,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:47:21,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:47:21,367 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 20:47:21,368 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 20:47:21,424 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 473 statements into 51 equivalence classes. [2025-01-22 20:47:21,596 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 51 check-sat command(s) and asserted 473 of 473 statements. [2025-01-22 20:47:21,596 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 51 check-sat command(s) [2025-01-22 20:47:21,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:47:21,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 120 conjuncts are in the unsatisfiable core [2025-01-22 20:47:21,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:47:22,476 INFO L134 CoverageAnalysis]: Checked inductivity of 7377 backedges. 130 proven. 13 refuted. 0 times theorem prover too weak. 7234 trivial. 0 not checked. [2025-01-22 20:47:22,476 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:47:27,064 INFO L134 CoverageAnalysis]: Checked inductivity of 7377 backedges. 92 proven. 6194 refuted. 0 times theorem prover too weak. 1091 trivial. 0 not checked. [2025-01-22 20:47:27,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482389497] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:47:27,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:47:27,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 117] total 143 [2025-01-22 20:47:27,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565411979] [2025-01-22 20:47:27,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:47:27,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 144 states [2025-01-22 20:47:27,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:47:27,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2025-01-22 20:47:27,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2626, Invalid=17966, Unknown=0, NotChecked=0, Total=20592 [2025-01-22 20:47:27,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:47:27,068 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:47:27,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 144 states, 144 states have (on average 3.8402777777777777) internal successors, (553), 143 states have internal predecessors, (553), 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 20:47:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:47:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-22 20:47:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:47:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2025-01-22 20:47:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:47:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:47:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:47:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:47:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:47:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2025-01-22 20:47:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2025-01-22 20:47:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 228 states. [2025-01-22 20:47:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 242 states. [2025-01-22 20:47:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:47:28,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:47:28,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-22 20:47:28,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:47:28,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2025-01-22 20:47:28,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:47:28,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:47:28,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:47:28,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:47:28,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:47:28,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2025-01-22 20:47:28,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2025-01-22 20:47:28,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2025-01-22 20:47:28,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2025-01-22 20:47:28,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-22 20:47:28,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-22 20:47:28,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-01-22 20:47:28,801 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 20:47:28,801 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:47:28,801 INFO L139 ounterexampleChecker]: Examining path program with hash 1785593364, occurence #1 [2025-01-22 20:47:28,801 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:47:28,801 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:47:28,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:47:28,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1484377913, now seen corresponding path program 13 times [2025-01-22 20:47:28,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:47:28,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223312859] [2025-01-22 20:47:28,802 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 20:47:28,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:47:28,810 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 461 statements into 1 equivalence classes. [2025-01-22 20:47:28,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 461 of 461 statements. [2025-01-22 20:47:28,926 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:47:28,926 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:47:33,527 INFO L134 CoverageAnalysis]: Checked inductivity of 7534 backedges. 6142 proven. 1374 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-22 20:47:33,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:47:33,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223312859] [2025-01-22 20:47:33,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223312859] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:47:33,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667651801] [2025-01-22 20:47:33,527 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 20:47:33,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:47:33,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:47:33,529 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 20:47:33,531 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 20:47:33,571 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 461 statements into 1 equivalence classes. [2025-01-22 20:47:33,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 461 of 461 statements. [2025-01-22 20:47:33,671 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:47:33,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:47:33,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 118 conjuncts are in the unsatisfiable core [2025-01-22 20:47:33,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:47:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 7534 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 7368 trivial. 0 not checked. [2025-01-22 20:47:34,961 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:47:42,483 INFO L134 CoverageAnalysis]: Checked inductivity of 7534 backedges. 115 proven. 6194 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2025-01-22 20:47:42,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667651801] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:47:42,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:47:42,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98, 13, 115] total 224 [2025-01-22 20:47:42,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014301814] [2025-01-22 20:47:42,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:47:42,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 225 states [2025-01-22 20:47:42,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:47:42,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 225 interpolants. [2025-01-22 20:47:42,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4232, Invalid=46168, Unknown=0, NotChecked=0, Total=50400 [2025-01-22 20:47:42,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:47:42,489 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:47:42,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 225 states, 225 states have (on average 3.9644444444444447) internal successors, (892), 224 states have internal predecessors, (892), 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 20:47:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:47:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-22 20:47:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:47:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2025-01-22 20:47:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:47:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:47:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:47:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:47:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:47:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 246 states. [2025-01-22 20:47:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2025-01-22 20:47:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2025-01-22 20:47:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 242 states. [2025-01-22 20:47:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-22 20:47:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:48:28,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:48:28,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-22 20:48:28,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:48:28,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2025-01-22 20:48:28,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:48:28,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:48:28,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:48:28,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:48:28,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:48:28,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2025-01-22 20:48:28,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2025-01-22 20:48:28,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2025-01-22 20:48:28,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2025-01-22 20:48:28,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-01-22 20:48:28,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 496 states. [2025-01-22 20:48:28,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-22 20:48:28,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-01-22 20:48:28,815 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 20:48:28,815 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:48:28,815 INFO L139 ounterexampleChecker]: Examining path program with hash 993397859, occurence #2 [2025-01-22 20:48:28,815 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 20:48:28,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 300 [2025-01-22 20:48:28,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:48:28,843 INFO L85 PathProgramCache]: Analyzing trace with hash -254170151, now seen corresponding path program 1 times [2025-01-22 20:48:28,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 20:48:28,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794652729] [2025-01-22 20:48:28,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:48:28,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:48:28,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 301 statements into 1 equivalence classes. [2025-01-22 20:48:28,891 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 301 of 301 statements. [2025-01-22 20:48:28,892 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:48:28,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:48:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6627 backedges. 0 proven. 6627 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:48:31,917 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-22 20:48:31,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794652729] [2025-01-22 20:48:31,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794652729] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:48:31,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1164926375] [2025-01-22 20:48:31,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:48:31,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:48:31,925 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 301 statements into 1 equivalence classes. [2025-01-22 20:48:31,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 301 of 301 statements. [2025-01-22 20:48:31,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:48:31,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:48:31,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 148 conjuncts are in the unsatisfiable core [2025-01-22 20:48:31,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:48:35,127 INFO L134 CoverageAnalysis]: Checked inductivity of 6627 backedges. 6627 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:48:35,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1164926375] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 20:48:35,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-22 20:48:35,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [52] imperfect sequences [52] total 102 [2025-01-22 20:48:35,128 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 300. Constructing proof automaton... [2025-01-22 20:48:35,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 20:48:35,128 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-01-22 20:48:35,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2025-01-22 20:48:35,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-01-22 20:48:35,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2025-01-22 20:48:35,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2755, Invalid=7957, Unknown=0, NotChecked=0, Total=10712 [2025-01-22 20:48:35,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:48:35,131 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:48:35,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 5.660377358490566) internal successors, (300), 52 states have internal predecessors, (300), 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 20:48:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-22 20:48:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-22 20:48:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 20:48:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2025-01-22 20:48:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 20:48:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:48:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:48:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-22 20:48:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:48:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 246 states. [2025-01-22 20:48:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2025-01-22 20:48:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2025-01-22 20:48:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 242 states. [2025-01-22 20:48:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-01-22 20:48:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 496 states. [2025-01-22 20:48:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2025-01-22 20:59:02,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-01-22 20:59:02,482 WARN L596 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1727 known predicates. [2025-01-22 20:59:02,485 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2025-01-22 20:59:02,485 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2025-01-22 20:59:02,485 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-01-22 20:59:02,485 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2025-01-22 20:59:02,485 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-01-22 20:59:02,495 INFO L422 BasicCegarLoop]: Path program histogram: [13] [2025-01-22 20:59:02,497 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-22 20:59:02,497 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-22 20:59:02,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-01-22 20:59:02,505 INFO L201 PluginConnector]: Adding new model mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.01 08:59:02 BasicIcfg [2025-01-22 20:59:02,505 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-22 20:59:02,508 INFO L158 Benchmark]: Toolchain (without parser) took 854404.42ms. Allocated memory was 117.4MB in the beginning and 3.1GB in the end (delta: 3.0GB). Free memory was 81.6MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.7GB. Max. memory is 16.0GB. [2025-01-22 20:59:02,508 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 20:59:02,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.51ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 20:59:02,510 INFO L158 Benchmark]: Boogie Preprocessor took 15.90ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.6MB in the end (delta: 693.8kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 20:59:02,510 INFO L158 Benchmark]: RCFGBuilder took 208.22ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 68.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-01-22 20:59:02,511 INFO L158 Benchmark]: TraceAbstraction took 854155.15ms. Allocated memory was 117.4MB in the beginning and 3.1GB in the end (delta: 3.0GB). Free memory was 67.9MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 1.7GB. Max. memory is 16.0GB. [2025-01-22 20:59:02,512 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 0.28ms. Allocated memory is still 117.4MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 21.51ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 15.90ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.6MB in the end (delta: 693.8kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 208.22ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 68.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 854155.15ms. Allocated memory was 117.4MB in the beginning and 3.1GB in the end (delta: 3.0GB). Free memory was 67.9MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 1.7GB. 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: 1061905, independent: 970083, independent conditional: 969515, independent unconditional: 568, dependent: 91822, dependent conditional: 91814, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 971611, independent: 970083, independent conditional: 969515, independent unconditional: 568, dependent: 1528, dependent conditional: 1520, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 971611, independent: 970083, independent conditional: 969515, independent unconditional: 568, dependent: 1528, dependent conditional: 1520, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1103405, independent: 970083, independent conditional: 969515, independent unconditional: 568, dependent: 133322, dependent conditional: 133314, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1103405, independent: 970083, independent conditional: 122139, independent unconditional: 847944, dependent: 133322, dependent conditional: 9156, dependent unconditional: 124166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1103405, independent: 970083, independent conditional: 122139, independent unconditional: 847944, dependent: 133322, dependent conditional: 9156, dependent unconditional: 124166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1904, independent: 887, independent conditional: 377, independent unconditional: 510, dependent: 1017, dependent conditional: 1009, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1904, independent: 503, independent conditional: 0, independent unconditional: 503, dependent: 1401, dependent conditional: 0, dependent unconditional: 1401, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1401, independent: 384, independent conditional: 377, independent unconditional: 7, dependent: 1017, dependent conditional: 1009, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1401, independent: 384, independent conditional: 377, independent unconditional: 7, dependent: 1017, dependent conditional: 1009, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8807, independent: 2357, independent conditional: 2221, independent unconditional: 135, dependent: 6450, dependent conditional: 6298, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 4, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1103405, independent: 969196, independent conditional: 121762, independent unconditional: 847434, dependent: 132305, dependent conditional: 8147, dependent unconditional: 124158, unknown: 1904, unknown conditional: 1386, unknown unconditional: 518] , Statistics on independence cache: Total cache size (in pairs): 1908, Positive cache size: 891, Positive conditional cache size: 381, Positive unconditional cache size: 510, Negative cache size: 1017, Negative conditional cache size: 1009, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 971534, Maximal queried relation: 12, Independence queries for same thread: 90294, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 212, Number of trivial persistent sets: 117, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 576, independent: 568, independent conditional: 0, independent unconditional: 568, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1061905, independent: 970083, independent conditional: 969515, independent unconditional: 568, dependent: 91822, dependent conditional: 91814, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 971611, independent: 970083, independent conditional: 969515, independent unconditional: 568, dependent: 1528, dependent conditional: 1520, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 971611, independent: 970083, independent conditional: 969515, independent unconditional: 568, dependent: 1528, dependent conditional: 1520, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1103405, independent: 970083, independent conditional: 969515, independent unconditional: 568, dependent: 133322, dependent conditional: 133314, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1103405, independent: 970083, independent conditional: 122139, independent unconditional: 847944, dependent: 133322, dependent conditional: 9156, dependent unconditional: 124166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1103405, independent: 970083, independent conditional: 122139, independent unconditional: 847944, dependent: 133322, dependent conditional: 9156, dependent unconditional: 124166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1904, independent: 887, independent conditional: 377, independent unconditional: 510, dependent: 1017, dependent conditional: 1009, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1904, independent: 503, independent conditional: 0, independent unconditional: 503, dependent: 1401, dependent conditional: 0, dependent unconditional: 1401, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1401, independent: 384, independent conditional: 377, independent unconditional: 7, dependent: 1017, dependent conditional: 1009, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1401, independent: 384, independent conditional: 377, independent unconditional: 7, dependent: 1017, dependent conditional: 1009, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8807, independent: 2357, independent conditional: 2221, independent unconditional: 135, dependent: 6450, dependent conditional: 6298, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 4, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1103405, independent: 969196, independent conditional: 121762, independent unconditional: 847434, dependent: 132305, dependent conditional: 8147, dependent unconditional: 124158, unknown: 1904, unknown conditional: 1386, unknown unconditional: 518] , Statistics on independence cache: Total cache size (in pairs): 1908, Positive cache size: 891, Positive conditional cache size: 381, Positive unconditional cache size: 510, Negative cache size: 1017, Negative conditional cache size: 1009, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 971534, Maximal queried relation: 12, Independence queries for same thread: 90294 - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1727 known predicates. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1727 known predicates. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1727 known predicates. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1727 known predicates. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1727 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 41 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 854.0s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 766.9s, 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: 4338, 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: 0.2s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 75.2s InterpolantComputationTime, 7569 NumberOfCodeBlocks, 7509 NumberOfCodeBlocksAsserted, 399 NumberOfCheckSat, 11288 ConstructedInterpolants, 0 QuantifiedInterpolants, 82165 SizeOfPredicates, 27 NumberOfNonLiveVariables, 10519 ConjunctsInSsa, 1021 ConjunctsInUnsatCore, 37 InterpolantComputations, 1 PerfectInterpolantSequences, 66811/111222 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: 3, ConComChecker Statistics: CheckTime [ms]: 6491, ConditionCalculationTime [ms]: 118, ConditionCalculations: 4, QuantifiedConditions: 0, TraceChecks: 4, UnknownTraceChecks: 0, UnsatisfiedConditions: 1, ImperfectProofs: 0 [2025-01-22 20:59:02,520 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown