/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-dist.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-22 22:07:30,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-22 22:07:30,982 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-22 22:07:30,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-22 22:07:30,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-22 22:07:30,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-22 22:07:30,997 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-22 22:07:30,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-22 22:07:30,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-22 22:07:30,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-22 22:07:30,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-22 22:07:30,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-22 22:07:30,998 INFO L153 SettingsManager]: * Use SBE=true [2025-01-22 22:07:30,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-22 22:07:30,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-22 22:07:30,998 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-22 22:07:30,998 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-22 22:07:30,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-22 22:07:30,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-22 22:07:30,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-22 22:07:30,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-22 22:07:30,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-22 22:07:30,999 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-22 22:07:30,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-22 22:07:30,999 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-22 22:07:30,999 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-22 22:07:30,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-22 22:07:30,999 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-22 22:07:30,999 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-22 22:07:30,999 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-22 22:07:30,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 22:07:30,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-22 22:07:30,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-22 22:07:30,999 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-22 22:07:30,999 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-22 22:07:30,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-22 22:07:31,000 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-22 22:07:31,000 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-22 22:07:31,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-22 22:07:31,000 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-22 22:07:31,000 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-22 22:07:31,000 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-22 22:07:31,000 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-22 22:07:31,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2025-01-22 22:07:31,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-22 22:07:31,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-22 22:07:31,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-22 22:07:31,263 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-22 22:07:31,263 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-22 22:07:31,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-dist.wvr.bpl [2025-01-22 22:07:31,264 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-dist.wvr.bpl' [2025-01-22 22:07:31,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-22 22:07:31,282 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-22 22:07:31,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-22 22:07:31,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-22 22:07:31,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-22 22:07:31,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:07:31" (1/1) ... [2025-01-22 22:07:31,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:07:31" (1/1) ... [2025-01-22 22:07:31,301 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-22 22:07:31,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-22 22:07:31,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-22 22:07:31,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-22 22:07:31,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-22 22:07:31,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:07:31" (1/1) ... [2025-01-22 22:07:31,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:07:31" (1/1) ... [2025-01-22 22:07:31,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:07:31" (1/1) ... [2025-01-22 22:07:31,308 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:07:31" (1/1) ... [2025-01-22 22:07:31,309 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:07:31" (1/1) ... [2025-01-22 22:07:31,310 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:07:31" (1/1) ... [2025-01-22 22:07:31,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:07:31" (1/1) ... [2025-01-22 22:07:31,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:07:31" (1/1) ... [2025-01-22 22:07:31,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:07:31" (1/1) ... [2025-01-22 22:07:31,315 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-22 22:07:31,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-22 22:07:31,316 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-22 22:07:31,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-22 22:07:31,317 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:07:31" (1/1) ... [2025-01-22 22:07:31,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 22:07:31,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:07:31,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-22 22:07:31,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-22 22:07:31,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-22 22:07:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-22 22:07:31,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-22 22:07:31,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-22 22:07:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-22 22:07:31,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-22 22:07:31,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-22 22:07:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-22 22:07:31,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-22 22:07:31,371 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-01-22 22:07:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-22 22:07:31,371 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-22 22:07:31,371 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-22 22:07:31,410 INFO L234 CfgBuilder]: Building ICFG [2025-01-22 22:07:31,411 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-22 22:07:31,470 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-22 22:07:31,470 INFO L283 CfgBuilder]: Performing block encoding [2025-01-22 22:07:31,490 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-22 22:07:31,491 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-22 22:07:31,491 INFO L201 PluginConnector]: Adding new model mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 10:07:31 BoogieIcfgContainer [2025-01-22 22:07:31,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-22 22:07:31,504 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-22 22:07:31,504 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-22 22:07:31,510 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-22 22:07:31,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:07:31" (1/2) ... [2025-01-22 22:07:31,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3469e826 and model type mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.01 10:07:31, skipping insertion in model container [2025-01-22 22:07:31,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 10:07:31" (2/2) ... [2025-01-22 22:07:31,511 INFO L128 eAbstractionObserver]: Analyzing ICFG mult-dist.wvr.bpl [2025-01-22 22:07:31,521 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-22 22:07:31,522 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mult-dist.wvr.bpl that has 4 procedures, 20 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2025-01-22 22:07:31,522 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-22 22:07:31,563 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-22 22:07:31,599 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 22:07:31,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-22 22:07:31,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:07:31,603 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-22 22:07:31,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-22 22:07:31,657 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-22 22:07:31,668 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-22 22:07:31,672 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;@3cf7b328, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 22:07:31,672 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-22 22:07:31,754 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 22:07:31,754 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:07:31,754 INFO L139 ounterexampleChecker]: Examining path program with hash 264466338, occurence #1 [2025-01-22 22:07:31,754 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:07:31,754 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:07:31,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:07:31,757 INFO L85 PathProgramCache]: Analyzing trace with hash -2042285534, now seen corresponding path program 1 times [2025-01-22 22:07:31,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:07:31,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786195018] [2025-01-22 22:07:31,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:07:31,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:07:31,805 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-22 22:07:31,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-22 22:07:31,828 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:07:31,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:07:32,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:07:32,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:07:32,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786195018] [2025-01-22 22:07:32,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786195018] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:07:32,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 22:07:32,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-22 22:07:32,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139787220] [2025-01-22 22:07:32,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:07:32,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-22 22:07:32,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:07:32,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-22 22:07:32,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-01-22 22:07:32,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:07:32,096 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:07:32,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:07:32,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:07:32,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 22:07:32,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-22 22:07:32,206 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 22:07:32,206 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:07:32,206 INFO L139 ounterexampleChecker]: Examining path program with hash 1506427570, occurence #1 [2025-01-22 22:07:32,207 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:07:32,207 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:07:32,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:07:32,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1047362584, now seen corresponding path program 1 times [2025-01-22 22:07:32,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:07:32,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212245711] [2025-01-22 22:07:32,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:07:32,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:07:32,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-22 22:07:32,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-22 22:07:32,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:07:32,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:07:32,415 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 22:07:32,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:07:32,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212245711] [2025-01-22 22:07:32,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212245711] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:07:32,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464931713] [2025-01-22 22:07:32,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:07:32,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:07:32,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:07:32,419 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:07:32,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-22 22:07:32,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-22 22:07:32,451 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-22 22:07:32,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:07:32,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:07:32,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-22 22:07:32,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:07:32,682 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:07:32,682 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:07:32,787 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:07:32,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464931713] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:07:32,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:07:32,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 18 [2025-01-22 22:07:32,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613968380] [2025-01-22 22:07:32,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:07:32,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-22 22:07:32,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:07:32,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-22 22:07:32,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2025-01-22 22:07:32,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:07:32,790 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:07:32,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.8947368421052633) internal successors, (55), 18 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:07:32,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 22:07:32,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:07:33,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 22:07:33,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:07:33,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-22 22:07:33,711 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 22:07:33,711 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 22:07:33,711 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:07:33,711 INFO L139 ounterexampleChecker]: Examining path program with hash -1150058138, occurence #1 [2025-01-22 22:07:33,711 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:07:33,711 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:07:33,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:07:33,712 INFO L85 PathProgramCache]: Analyzing trace with hash 2100982644, now seen corresponding path program 2 times [2025-01-22 22:07:33,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:07:33,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088424667] [2025-01-22 22:07:33,712 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 22:07:33,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:07:33,716 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-01-22 22:07:33,728 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-01-22 22:07:33,728 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 22:07:33,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:07:33,914 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-22 22:07:33,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:07:33,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088424667] [2025-01-22 22:07:33,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088424667] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:07:33,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107251979] [2025-01-22 22:07:33,915 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 22:07:33,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:07:33,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:07:33,918 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:07:33,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-22 22:07:33,949 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-01-22 22:07:33,961 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-01-22 22:07:33,961 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 22:07:33,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:07:33,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-22 22:07:33,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:07:34,296 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 22:07:34,297 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:07:34,397 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-22 22:07:34,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107251979] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:07:34,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:07:34,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13, 7] total 26 [2025-01-22 22:07:34,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813721663] [2025-01-22 22:07:34,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:07:34,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-01-22 22:07:34,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:07:34,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-01-22 22:07:34,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=576, Unknown=0, NotChecked=0, Total=702 [2025-01-22 22:07:34,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:07:34,399 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:07:34,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.8518518518518516) internal successors, (77), 26 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:07:34,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 22:07:34,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:07:34,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:07:36,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 22:07:36,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:07:36,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-22 22:07:36,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-22 22:07:36,316 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 22:07:36,316 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 22:07:36,316 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:07:36,316 INFO L139 ounterexampleChecker]: Examining path program with hash 389333622, occurence #1 [2025-01-22 22:07:36,316 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:07:36,316 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:07:36,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:07:36,317 INFO L85 PathProgramCache]: Analyzing trace with hash 845296058, now seen corresponding path program 3 times [2025-01-22 22:07:36,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:07:36,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222291477] [2025-01-22 22:07:36,317 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 22:07:36,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:07:36,321 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 62 statements into 6 equivalence classes. [2025-01-22 22:07:36,336 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 62 of 62 statements. [2025-01-22 22:07:36,336 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-22 22:07:36,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:07:36,689 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 33 proven. 65 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-22 22:07:36,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:07:36,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222291477] [2025-01-22 22:07:36,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222291477] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:07:36,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171232825] [2025-01-22 22:07:36,689 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 22:07:36,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:07:36,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:07:36,692 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:07:36,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-22 22:07:36,716 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 62 statements into 6 equivalence classes. [2025-01-22 22:07:36,732 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 62 of 62 statements. [2025-01-22 22:07:36,732 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-22 22:07:36,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:07:36,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-22 22:07:36,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:07:37,372 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 48 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:07:37,373 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:07:37,576 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 48 proven. 50 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-22 22:07:37,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171232825] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:07:37,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:07:37,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 27, 15] total 43 [2025-01-22 22:07:37,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203457123] [2025-01-22 22:07:37,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:07:37,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2025-01-22 22:07:37,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:07:37,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2025-01-22 22:07:37,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=290, Invalid=1602, Unknown=0, NotChecked=0, Total=1892 [2025-01-22 22:07:37,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:07:37,578 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:07:37,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 2.7954545454545454) internal successors, (123), 43 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:07:37,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 22:07:37,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:07:37,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-22 22:07:37,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:07:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 22:07:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:07:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 22:07:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-01-22 22:07:39,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-22 22:07:40,018 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 22:07:40,019 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 22:07:40,019 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:07:40,019 INFO L139 ounterexampleChecker]: Examining path program with hash -1195310786, occurence #1 [2025-01-22 22:07:40,019 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:07:40,019 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:07:40,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:07:40,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1369886386, now seen corresponding path program 4 times [2025-01-22 22:07:40,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:07:40,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700285579] [2025-01-22 22:07:40,020 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 22:07:40,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:07:40,026 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 98 statements into 2 equivalence classes. [2025-01-22 22:07:40,041 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-22 22:07:40,041 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 22:07:40,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:07:40,616 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 108 proven. 118 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-22 22:07:40,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:07:40,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700285579] [2025-01-22 22:07:40,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700285579] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:07:40,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407531889] [2025-01-22 22:07:40,616 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 22:07:40,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:07:40,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:07:40,618 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:07:40,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-22 22:07:40,648 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 98 statements into 2 equivalence classes. [2025-01-22 22:07:40,671 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-22 22:07:40,671 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 22:07:40,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:07:40,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-01-22 22:07:40,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:07:41,947 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 133 proven. 159 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:07:41,947 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:07:42,213 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 133 proven. 93 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-22 22:07:42,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1407531889] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:07:42,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:07:42,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 45, 19] total 71 [2025-01-22 22:07:42,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303787890] [2025-01-22 22:07:42,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:07:42,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2025-01-22 22:07:42,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:07:42,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2025-01-22 22:07:42,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=692, Invalid=4420, Unknown=0, NotChecked=0, Total=5112 [2025-01-22 22:07:42,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:07:42,216 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:07:42,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 2.861111111111111) internal successors, (206), 71 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:07:42,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 22:07:42,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:07:42,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 22:07:42,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-01-22 22:07:42,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:07:47,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 22:07:47,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:07:47,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 22:07:47,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-22 22:07:47,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2025-01-22 22:07:47,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-22 22:07:47,980 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 22:07:47,980 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 22:07:47,980 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:07:47,980 INFO L139 ounterexampleChecker]: Examining path program with hash 389333622, occurence #2 [2025-01-22 22:07:47,980 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:07:47,980 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2025-01-22 22:07:47,981 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:07:47,981 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-01-22 22:07:47,981 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:07:47,981 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 143 [2025-01-22 22:07:47,981 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:07:47,981 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-01-22 22:07:47,981 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:07:47,981 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2025-01-22 22:07:47,981 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:07:47,981 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2025-01-22 22:07:47,981 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:07:47,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2025-01-22 22:07:47,982 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:07:47,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-01-22 22:07:47,982 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:07:47,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-01-22 22:07:47,982 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:07:47,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-01-22 22:07:47,982 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:07:47,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2025-01-22 22:07:47,982 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:07:47,982 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:07:47,982 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:07:47,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:07:47,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1696083674, now seen corresponding path program 5 times [2025-01-22 22:07:47,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:07:47,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432590606] [2025-01-22 22:07:47,983 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 22:07:47,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:07:47,992 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 162 statements into 16 equivalence classes. [2025-01-22 22:07:48,012 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 162 of 162 statements. [2025-01-22 22:07:48,012 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-01-22 22:07:48,013 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:07:49,023 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 588 proven. 222 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-01-22 22:07:49,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:07:49,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432590606] [2025-01-22 22:07:49,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432590606] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:07:49,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869870128] [2025-01-22 22:07:49,023 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 22:07:49,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:07:49,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:07:49,026 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:07:49,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-22 22:07:49,053 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 162 statements into 16 equivalence classes. [2025-01-22 22:07:49,093 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 162 of 162 statements. [2025-01-22 22:07:49,093 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-01-22 22:07:49,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:07:49,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 80 conjuncts are in the unsatisfiable core [2025-01-22 22:07:49,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:07:51,771 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 588 proven. 358 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:07:51,771 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:07:52,359 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 588 proven. 222 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-01-22 22:07:52,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869870128] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:07:52,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:07:52,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 77, 31] total 117 [2025-01-22 22:07:52,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070943874] [2025-01-22 22:07:52,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:07:52,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 118 states [2025-01-22 22:07:52,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:07:52,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2025-01-22 22:07:52,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2039, Invalid=11767, Unknown=0, NotChecked=0, Total=13806 [2025-01-22 22:07:52,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:07:52,363 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:07:52,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 118 states, 118 states have (on average 2.847457627118644) internal successors, (336), 117 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:07:52,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 22:07:52,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:07:52,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 22:07:52,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-22 22:07:52,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2025-01-22 22:07:52,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:08:02,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 22:08:02,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:08:02,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 22:08:02,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-22 22:08:02,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2025-01-22 22:08:02,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2025-01-22 22:08:02,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-22 22:08:02,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-01-22 22:08:02,265 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 22:08:02,265 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:08:02,265 INFO L139 ounterexampleChecker]: Examining path program with hash -1195310786, occurence #2 [2025-01-22 22:08:02,265 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:08:02,265 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 227 [2025-01-22 22:08:02,266 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:02,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2025-01-22 22:08:02,266 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:02,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2025-01-22 22:08:02,266 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:02,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2025-01-22 22:08:02,266 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:02,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 235 [2025-01-22 22:08:02,266 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:02,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 237 [2025-01-22 22:08:02,266 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:02,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 239 [2025-01-22 22:08:02,266 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:02,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 241 [2025-01-22 22:08:02,266 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:02,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2025-01-22 22:08:02,266 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:02,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 245 [2025-01-22 22:08:02,267 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:02,267 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2025-01-22 22:08:02,267 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:02,267 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2025-01-22 22:08:02,267 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:02,267 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 251 [2025-01-22 22:08:02,267 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:02,267 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2025-01-22 22:08:02,267 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:02,267 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 255 [2025-01-22 22:08:02,267 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:02,267 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2025-01-22 22:08:02,267 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:02,267 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2025-01-22 22:08:02,267 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:02,267 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2025-01-22 22:08:02,267 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:02,267 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 263 [2025-01-22 22:08:02,267 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:02,268 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 265 [2025-01-22 22:08:02,268 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:08:02,268 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:08:02,268 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:08:02,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:08:02,268 INFO L85 PathProgramCache]: Analyzing trace with hash 810879928, now seen corresponding path program 6 times [2025-01-22 22:08:02,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:08:02,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862167333] [2025-01-22 22:08:02,268 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 22:08:02,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:08:02,277 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 268 statements into 26 equivalence classes. [2025-01-22 22:08:02,321 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 26 check-sat command(s) and asserted 268 of 268 statements. [2025-01-22 22:08:02,322 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 26 check-sat command(s) [2025-01-22 22:08:02,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:08:04,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2747 backedges. 1541 proven. 710 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2025-01-22 22:08:04,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:08:04,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862167333] [2025-01-22 22:08:04,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862167333] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:08:04,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512674094] [2025-01-22 22:08:04,720 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 22:08:04,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:08:04,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:08:04,722 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:08:04,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-22 22:08:04,754 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 268 statements into 26 equivalence classes. [2025-01-22 22:08:04,812 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 26 check-sat command(s) and asserted 268 of 268 statements. [2025-01-22 22:08:04,812 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 26 check-sat command(s) [2025-01-22 22:08:04,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:08:04,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 133 conjuncts are in the unsatisfiable core [2025-01-22 22:08:04,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:08:11,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2747 backedges. 1680 proven. 1067 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:08:11,007 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:08:12,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2747 backedges. 1680 proven. 571 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2025-01-22 22:08:12,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512674094] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:08:12,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:08:12,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 130, 50] total 194 [2025-01-22 22:08:12,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292831766] [2025-01-22 22:08:12,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:08:12,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 195 states [2025-01-22 22:08:12,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:08:12,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2025-01-22 22:08:12,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5047, Invalid=32783, Unknown=0, NotChecked=0, Total=37830 [2025-01-22 22:08:12,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:08:12,385 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:08:12,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 195 states, 195 states have (on average 2.7282051282051283) internal successors, (532), 194 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:08:12,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 22:08:12,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:08:12,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 22:08:12,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-22 22:08:12,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2025-01-22 22:08:12,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2025-01-22 22:08:12,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:08:38,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 22:08:38,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:08:38,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 22:08:38,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-22 22:08:38,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2025-01-22 22:08:38,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 348 states. [2025-01-22 22:08:38,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 456 states. [2025-01-22 22:08:38,374 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 22:08:38,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:08:38,568 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 22:08:38,569 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:08:38,569 INFO L139 ounterexampleChecker]: Examining path program with hash 389333622, occurence #3 [2025-01-22 22:08:38,569 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:08:38,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 369 [2025-01-22 22:08:38,569 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 371 [2025-01-22 22:08:38,569 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 373 [2025-01-22 22:08:38,569 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 375 [2025-01-22 22:08:38,569 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 377 [2025-01-22 22:08:38,569 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 379 [2025-01-22 22:08:38,569 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 381 [2025-01-22 22:08:38,570 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 383 [2025-01-22 22:08:38,570 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 385 [2025-01-22 22:08:38,570 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 387 [2025-01-22 22:08:38,570 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 389 [2025-01-22 22:08:38,570 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 391 [2025-01-22 22:08:38,570 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 393 [2025-01-22 22:08:38,570 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 395 [2025-01-22 22:08:38,570 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 397 [2025-01-22 22:08:38,570 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 399 [2025-01-22 22:08:38,570 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 401 [2025-01-22 22:08:38,570 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 403 [2025-01-22 22:08:38,570 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 405 [2025-01-22 22:08:38,570 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 407 [2025-01-22 22:08:38,571 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,571 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 409 [2025-01-22 22:08:38,571 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,571 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 411 [2025-01-22 22:08:38,571 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,571 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 413 [2025-01-22 22:08:38,571 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,571 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 415 [2025-01-22 22:08:38,571 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,571 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 417 [2025-01-22 22:08:38,571 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,571 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 419 [2025-01-22 22:08:38,571 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,571 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 421 [2025-01-22 22:08:38,571 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,571 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 423 [2025-01-22 22:08:38,571 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,571 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 425 [2025-01-22 22:08:38,571 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,571 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 427 [2025-01-22 22:08:38,571 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:08:38,571 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 429 [2025-01-22 22:08:38,571 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:08:38,571 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:08:38,571 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:08:38,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:08:38,572 INFO L85 PathProgramCache]: Analyzing trace with hash -732980756, now seen corresponding path program 7 times [2025-01-22 22:08:38,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:08:38,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177613389] [2025-01-22 22:08:38,572 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 22:08:38,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:08:38,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 432 statements into 1 equivalence classes. [2025-01-22 22:08:38,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 432 of 432 statements. [2025-01-22 22:08:38,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:08:38,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:08:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 7570 backedges. 4880 proven. 1415 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2025-01-22 22:08:45,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:08:45,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177613389] [2025-01-22 22:08:45,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177613389] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:08:45,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484698233] [2025-01-22 22:08:45,154 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 22:08:45,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:08:45,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:08:45,156 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:08:45,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-22 22:08:45,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 432 statements into 1 equivalence classes. [2025-01-22 22:08:45,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 432 of 432 statements. [2025-01-22 22:08:45,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:08:45,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:08:45,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 215 conjuncts are in the unsatisfiable core [2025-01-22 22:08:45,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:09:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 7570 backedges. 5043 proven. 2527 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:09:00,576 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:09:03,549 INFO L134 CoverageAnalysis]: Checked inductivity of 7570 backedges. 5043 proven. 1252 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2025-01-22 22:09:03,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484698233] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:09:03,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:09:03,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 212, 78] total 315 [2025-01-22 22:09:03,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79861642] [2025-01-22 22:09:03,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:09:03,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 316 states [2025-01-22 22:09:03,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:09:03,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 316 interpolants. [2025-01-22 22:09:03,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13986, Invalid=85554, Unknown=0, NotChecked=0, Total=99540 [2025-01-22 22:09:03,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:09:03,560 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:09:03,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 316 states, 316 states have (on average 2.7468354430379747) internal successors, (868), 315 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:09:03,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 22:09:03,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:09:03,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 22:09:03,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-22 22:09:03,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2025-01-22 22:09:03,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 348 states. [2025-01-22 22:09:03,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 456 states. [2025-01-22 22:09:03,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:10:00,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 22:10:00,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:10:00,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 22:10:00,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-22 22:10:00,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2025-01-22 22:10:00,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 348 states. [2025-01-22 22:10:00,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 590 states. [2025-01-22 22:10:00,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 710 states. [2025-01-22 22:10:00,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-22 22:10:00,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:10:00,862 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 22:10:00,862 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:10:00,863 INFO L139 ounterexampleChecker]: Examining path program with hash -1195310786, occurence #3 [2025-01-22 22:10:00,863 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:10:00,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 599 [2025-01-22 22:10:00,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 601 [2025-01-22 22:10:00,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 603 [2025-01-22 22:10:00,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 605 [2025-01-22 22:10:00,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 607 [2025-01-22 22:10:00,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 609 [2025-01-22 22:10:00,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 611 [2025-01-22 22:10:00,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 613 [2025-01-22 22:10:00,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 615 [2025-01-22 22:10:00,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 617 [2025-01-22 22:10:00,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 619 [2025-01-22 22:10:00,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 621 [2025-01-22 22:10:00,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 623 [2025-01-22 22:10:00,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 625 [2025-01-22 22:10:00,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 627 [2025-01-22 22:10:00,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 629 [2025-01-22 22:10:00,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 631 [2025-01-22 22:10:00,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 633 [2025-01-22 22:10:00,865 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 635 [2025-01-22 22:10:00,865 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 637 [2025-01-22 22:10:00,865 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 639 [2025-01-22 22:10:00,865 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 641 [2025-01-22 22:10:00,865 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 643 [2025-01-22 22:10:00,865 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 645 [2025-01-22 22:10:00,865 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 647 [2025-01-22 22:10:00,865 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 649 [2025-01-22 22:10:00,865 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 651 [2025-01-22 22:10:00,865 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 653 [2025-01-22 22:10:00,865 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 655 [2025-01-22 22:10:00,865 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 657 [2025-01-22 22:10:00,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 659 [2025-01-22 22:10:00,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 661 [2025-01-22 22:10:00,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 663 [2025-01-22 22:10:00,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 665 [2025-01-22 22:10:00,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 667 [2025-01-22 22:10:00,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 669 [2025-01-22 22:10:00,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 671 [2025-01-22 22:10:00,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 673 [2025-01-22 22:10:00,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 675 [2025-01-22 22:10:00,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,867 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 677 [2025-01-22 22:10:00,867 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,867 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 679 [2025-01-22 22:10:00,867 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,867 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 681 [2025-01-22 22:10:00,867 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,867 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 683 [2025-01-22 22:10:00,867 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,867 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 685 [2025-01-22 22:10:00,867 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,867 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 687 [2025-01-22 22:10:00,867 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,867 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 689 [2025-01-22 22:10:00,867 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,867 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 691 [2025-01-22 22:10:00,867 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,867 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 693 [2025-01-22 22:10:00,867 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,867 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 695 [2025-01-22 22:10:00,867 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,867 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 697 [2025-01-22 22:10:00,867 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,868 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 699 [2025-01-22 22:10:00,868 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,868 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 701 [2025-01-22 22:10:00,868 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,868 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 703 [2025-01-22 22:10:00,868 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:10:00,868 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 705 [2025-01-22 22:10:00,868 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:10:00,868 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:10:00,868 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:10:00,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:10:00,868 INFO L85 PathProgramCache]: Analyzing trace with hash -228403888, now seen corresponding path program 8 times [2025-01-22 22:10:00,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:10:00,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513401994] [2025-01-22 22:10:00,869 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 22:10:00,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:10:00,884 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 708 statements into 2 equivalence classes. [2025-01-22 22:10:01,271 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 708 of 708 statements. [2025-01-22 22:10:01,271 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 22:10:01,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:10:22,835 INFO L134 CoverageAnalysis]: Checked inductivity of 20782 backedges. 13467 proven. 3660 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2025-01-22 22:10:22,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:10:22,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513401994] [2025-01-22 22:10:22,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513401994] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:10:22,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571706480] [2025-01-22 22:10:22,835 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 22:10:22,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:10:22,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:10:22,837 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:10:22,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-22 22:10:22,892 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 708 statements into 2 equivalence classes. [2025-01-22 22:10:23,035 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 708 of 708 statements. [2025-01-22 22:10:23,035 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 22:10:23,035 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:10:23,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 1786 conjuncts, 353 conjuncts are in the unsatisfiable core [2025-01-22 22:10:23,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:11:00,492 INFO L134 CoverageAnalysis]: Checked inductivity of 20782 backedges. 13736 proven. 7046 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:11:00,492 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:11:07,581 INFO L134 CoverageAnalysis]: Checked inductivity of 20782 backedges. 13736 proven. 3391 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2025-01-22 22:11:07,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571706480] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:11:07,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:11:07,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [129, 350, 128] total 511 [2025-01-22 22:11:07,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916238611] [2025-01-22 22:11:07,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:11:07,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 512 states [2025-01-22 22:11:07,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:11:07,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 512 interpolants. [2025-01-22 22:11:07,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35688, Invalid=225944, Unknown=0, NotChecked=0, Total=261632 [2025-01-22 22:11:07,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:11:07,599 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:11:07,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 512 states, 512 states have (on average 2.69921875) internal successors, (1382), 511 states have internal predecessors, (1382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:11:07,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 22:11:07,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:11:07,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 22:11:07,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-22 22:11:07,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2025-01-22 22:11:07,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 348 states. [2025-01-22 22:11:07,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 590 states. [2025-01-22 22:11:07,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 710 states. [2025-01-22 22:11:07,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:14:38,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 22:14:38,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:14:38,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 22:14:38,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-22 22:14:38,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2025-01-22 22:14:38,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 348 states. [2025-01-22 22:14:38,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 590 states. [2025-01-22 22:14:38,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 923 states. [2025-01-22 22:14:38,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1193 states. [2025-01-22 22:14:38,136 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-22 22:14:38,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:14:38,329 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 22:14:38,329 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:14:38,330 INFO L139 ounterexampleChecker]: Examining path program with hash 389333622, occurence #4 [2025-01-22 22:14:38,330 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:14:38,330 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 971 [2025-01-22 22:14:38,330 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,330 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 973 [2025-01-22 22:14:38,330 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,330 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 975 [2025-01-22 22:14:38,330 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,330 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 977 [2025-01-22 22:14:38,330 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,330 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 979 [2025-01-22 22:14:38,330 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,330 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 981 [2025-01-22 22:14:38,330 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,330 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 983 [2025-01-22 22:14:38,330 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,330 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 985 [2025-01-22 22:14:38,330 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 987 [2025-01-22 22:14:38,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 989 [2025-01-22 22:14:38,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 991 [2025-01-22 22:14:38,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 993 [2025-01-22 22:14:38,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 995 [2025-01-22 22:14:38,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 997 [2025-01-22 22:14:38,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 999 [2025-01-22 22:14:38,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1001 [2025-01-22 22:14:38,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1003 [2025-01-22 22:14:38,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1005 [2025-01-22 22:14:38,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1007 [2025-01-22 22:14:38,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1009 [2025-01-22 22:14:38,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1011 [2025-01-22 22:14:38,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1013 [2025-01-22 22:14:38,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1015 [2025-01-22 22:14:38,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1017 [2025-01-22 22:14:38,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1019 [2025-01-22 22:14:38,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1021 [2025-01-22 22:14:38,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1023 [2025-01-22 22:14:38,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1025 [2025-01-22 22:14:38,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1027 [2025-01-22 22:14:38,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1029 [2025-01-22 22:14:38,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1031 [2025-01-22 22:14:38,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1033 [2025-01-22 22:14:38,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1035 [2025-01-22 22:14:38,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1037 [2025-01-22 22:14:38,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1039 [2025-01-22 22:14:38,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1041 [2025-01-22 22:14:38,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1043 [2025-01-22 22:14:38,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1045 [2025-01-22 22:14:38,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1047 [2025-01-22 22:14:38,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1049 [2025-01-22 22:14:38,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1051 [2025-01-22 22:14:38,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1053 [2025-01-22 22:14:38,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1055 [2025-01-22 22:14:38,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1057 [2025-01-22 22:14:38,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1059 [2025-01-22 22:14:38,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1061 [2025-01-22 22:14:38,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1063 [2025-01-22 22:14:38,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1065 [2025-01-22 22:14:38,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1067 [2025-01-22 22:14:38,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1069 [2025-01-22 22:14:38,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1071 [2025-01-22 22:14:38,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1073 [2025-01-22 22:14:38,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1075 [2025-01-22 22:14:38,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1077 [2025-01-22 22:14:38,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1079 [2025-01-22 22:14:38,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1081 [2025-01-22 22:14:38,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1083 [2025-01-22 22:14:38,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1085 [2025-01-22 22:14:38,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1087 [2025-01-22 22:14:38,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1089 [2025-01-22 22:14:38,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1091 [2025-01-22 22:14:38,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1093 [2025-01-22 22:14:38,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1095 [2025-01-22 22:14:38,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1097 [2025-01-22 22:14:38,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1099 [2025-01-22 22:14:38,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1101 [2025-01-22 22:14:38,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1103 [2025-01-22 22:14:38,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1105 [2025-01-22 22:14:38,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1107 [2025-01-22 22:14:38,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1109 [2025-01-22 22:14:38,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1111 [2025-01-22 22:14:38,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1113 [2025-01-22 22:14:38,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1115 [2025-01-22 22:14:38,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1117 [2025-01-22 22:14:38,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1119 [2025-01-22 22:14:38,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1121 [2025-01-22 22:14:38,335 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1123 [2025-01-22 22:14:38,335 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1125 [2025-01-22 22:14:38,335 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1127 [2025-01-22 22:14:38,335 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1129 [2025-01-22 22:14:38,335 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1131 [2025-01-22 22:14:38,335 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1133 [2025-01-22 22:14:38,335 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1135 [2025-01-22 22:14:38,335 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1137 [2025-01-22 22:14:38,335 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:14:38,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1139 [2025-01-22 22:14:38,335 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:14:38,335 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:14:38,335 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:14:38,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:14:38,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1259125294, now seen corresponding path program 9 times [2025-01-22 22:14:38,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:14:38,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656677121] [2025-01-22 22:14:38,336 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 22:14:38,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:14:38,358 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 1142 statements into 114 equivalence classes. [2025-01-22 22:14:39,265 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 114 check-sat command(s) and asserted 1142 of 1142 statements. [2025-01-22 22:14:39,265 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 114 check-sat command(s) [2025-01-22 22:14:39,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:15:51,574 INFO L134 CoverageAnalysis]: Checked inductivity of 55233 backedges. 36963 proven. 8679 refuted. 0 times theorem prover too weak. 9591 trivial. 0 not checked. [2025-01-22 22:15:51,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:15:51,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656677121] [2025-01-22 22:15:51,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656677121] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:15:51,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690487704] [2025-01-22 22:15:51,575 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 22:15:51,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:15:51,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:15:51,577 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:15:51,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-22 22:15:51,652 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 1142 statements into 114 equivalence classes. [2025-01-22 22:15:52,245 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 114 check-sat command(s) and asserted 1142 of 1142 statements. [2025-01-22 22:15:52,245 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 114 check-sat command(s) [2025-01-22 22:15:52,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:15:52,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 2871 conjuncts, 570 conjuncts are in the unsatisfiable core [2025-01-22 22:15:52,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:17:26,137 INFO L134 CoverageAnalysis]: Checked inductivity of 55233 backedges. 37632 proven. 17601 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:17:26,137 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:17:43,963 INFO L134 CoverageAnalysis]: Checked inductivity of 55233 backedges. 37632 proven. 8010 refuted. 0 times theorem prover too weak. 9591 trivial. 0 not checked. [2025-01-22 22:17:43,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690487704] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:17:43,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:17:43,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [205, 567, 203] total 830 [2025-01-22 22:17:43,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075045468] [2025-01-22 22:17:43,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:17:43,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 831 states [2025-01-22 22:17:43,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:17:43,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 831 interpolants. [2025-01-22 22:17:44,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95744, Invalid=593986, Unknown=0, NotChecked=0, Total=689730 [2025-01-22 22:17:44,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:17:44,005 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:17:44,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 831 states, 831 states have (on average 2.707581227436823) internal successors, (2250), 830 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:17:44,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 22:17:44,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:17:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 22:17:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-22 22:17:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2025-01-22 22:17:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 348 states. [2025-01-22 22:17:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 590 states. [2025-01-22 22:17:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 923 states. [2025-01-22 22:17:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1193 states. [2025-01-22 22:17:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2025-01-22 22:21:26,950 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-01-22 22:21:26,950 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-01-22 22:21:26,951 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-01-22 22:21:26,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-22 22:21:27,141 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,SelfDestructingSolverStorable9 [2025-01-22 22:21:27,141 WARN L596 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1443 known predicates. [2025-01-22 22:21:27,143 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2025-01-22 22:21:27,143 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-01-22 22:21:27,143 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-01-22 22:21:27,143 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-01-22 22:21:27,147 INFO L422 BasicCegarLoop]: Path program histogram: [9, 1] [2025-01-22 22:21:27,149 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-22 22:21:27,149 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-22 22:21:27,156 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-01-22 22:21:27,157 INFO L201 PluginConnector]: Adding new model mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.01 10:21:27 BasicIcfg [2025-01-22 22:21:27,157 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-22 22:21:27,158 INFO L158 Benchmark]: Toolchain (without parser) took 835875.48ms. Allocated memory was 117.4MB in the beginning and 4.9GB in the end (delta: 4.8GB). Free memory was 78.8MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 2.4GB. Max. memory is 16.0GB. [2025-01-22 22:21:27,158 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 79.8MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 22:21:27,158 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.67ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 22:21:27,158 INFO L158 Benchmark]: Boogie Preprocessor took 12.40ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.8MB in the end (delta: 702.1kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 22:21:27,158 INFO L158 Benchmark]: RCFGBuilder took 174.57ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 67.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-01-22 22:21:27,159 INFO L158 Benchmark]: TraceAbstraction took 835652.99ms. Allocated memory was 117.4MB in the beginning and 4.9GB in the end (delta: 4.8GB). Free memory was 95.4MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 2.4GB. Max. memory is 16.0GB. [2025-01-22 22:21:27,159 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 0.17ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 79.8MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 19.67ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 12.40ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.8MB in the end (delta: 702.1kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 174.57ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 67.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 835652.99ms. Allocated memory was 117.4MB in the beginning and 4.9GB in the end (delta: 4.8GB). Free memory was 95.4MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 2.4GB. 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: 28335, independent: 23180, independent conditional: 22897, independent unconditional: 283, dependent: 5155, dependent conditional: 5155, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23180, independent: 23180, independent conditional: 22897, independent unconditional: 283, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 23180, independent: 23180, independent conditional: 22897, independent unconditional: 283, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23180, independent: 23180, independent conditional: 22897, independent unconditional: 283, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23180, independent: 23180, independent conditional: 0, independent unconditional: 23180, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23180, independent: 23180, independent conditional: 0, independent unconditional: 23180, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 263, independent: 263, independent conditional: 0, independent unconditional: 263, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 263, independent: 261, independent conditional: 0, independent unconditional: 261, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, independent: 36, independent conditional: 0, independent unconditional: 36, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 23180, independent: 22917, independent conditional: 0, independent unconditional: 22917, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 263, unknown conditional: 0, unknown unconditional: 263] , Statistics on independence cache: Total cache size (in pairs): 263, Positive cache size: 263, Positive conditional cache size: 0, Positive unconditional cache size: 263, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 22897, Maximal queried relation: 0, Independence queries for same thread: 5155, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 43, Number of trivial persistent sets: 22, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 283, independent: 283, independent conditional: 0, independent unconditional: 283, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28335, independent: 23180, independent conditional: 22897, independent unconditional: 283, dependent: 5155, dependent conditional: 5155, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23180, independent: 23180, independent conditional: 22897, independent unconditional: 283, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 23180, independent: 23180, independent conditional: 22897, independent unconditional: 283, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23180, independent: 23180, independent conditional: 22897, independent unconditional: 283, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23180, independent: 23180, independent conditional: 0, independent unconditional: 23180, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23180, independent: 23180, independent conditional: 0, independent unconditional: 23180, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 263, independent: 263, independent conditional: 0, independent unconditional: 263, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 263, independent: 261, independent conditional: 0, independent unconditional: 261, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, independent: 36, independent conditional: 0, independent unconditional: 36, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 23180, independent: 22917, independent conditional: 0, independent unconditional: 22917, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 263, unknown conditional: 0, unknown unconditional: 263] , Statistics on independence cache: Total cache size (in pairs): 263, Positive cache size: 263, Positive conditional cache size: 0, Positive unconditional cache size: 263, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 22897, Maximal queried relation: 0, Independence queries for same thread: 5155 - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1443 known predicates. - TimeoutResultAtElement [Line: 56]: 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 1443 known predicates. - TimeoutResultAtElement [Line: 56]: 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 1443 known predicates. - TimeoutResultAtElement [Line: 57]: 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 1443 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 835.5s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 536.7s, 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: 4387, 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, 2.6s SatisfiabilityAnalysisTime, 293.7s InterpolantComputationTime, 5882 NumberOfCodeBlocks, 5882 NumberOfCodeBlocksAsserted, 339 NumberOfCheckSat, 8786 ConstructedInterpolants, 0 QuantifiedInterpolants, 85141 SizeOfPredicates, 72 NumberOfNonLiveVariables, 7474 ConjunctsInSsa, 1455 ConjunctsInUnsatCore, 28 InterpolantComputations, 1 PerfectInterpolantSequences, 205768/263085 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 196, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown