/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-dist.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-22 20:08:09,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-22 20:08:09,914 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-22 20:08:09,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-22 20:08:09,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-22 20:08:09,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-22 20:08:09,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-22 20:08:09,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-22 20:08:09,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-22 20:08:09,955 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-22 20:08:09,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-22 20:08:09,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-22 20:08:09,956 INFO L153 SettingsManager]: * Use SBE=true [2025-01-22 20:08:09,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-22 20:08:09,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-22 20:08:09,967 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-22 20:08:09,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-22 20:08:09,967 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-22 20:08:09,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-22 20:08:09,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-22 20:08:09,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-22 20:08:09,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-22 20:08:09,967 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-22 20:08:09,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-22 20:08:09,967 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-22 20:08:09,968 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-22 20:08:09,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-22 20:08:09,968 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-22 20:08:09,968 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-22 20:08:09,968 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-22 20:08:09,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 20:08:09,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-22 20:08:09,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-22 20:08:09,968 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-22 20:08:09,968 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-22 20:08:09,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-22 20:08:09,968 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-22 20:08:09,968 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-22 20:08:09,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-22 20:08:09,968 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-22 20:08:09,968 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-22 20:08:09,968 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-22 20:08:09,968 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-22 20:08:09,969 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2025-01-22 20:08:10,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-22 20:08:10,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-22 20:08:10,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-22 20:08:10,216 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-22 20:08:10,216 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-22 20:08:10,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-dist.wvr.bpl [2025-01-22 20:08:10,218 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-dist.wvr.bpl' [2025-01-22 20:08:10,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-22 20:08:10,238 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-22 20:08:10,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-22 20:08:10,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-22 20:08:10,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-22 20:08:10,247 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 08:08:10" (1/1) ... [2025-01-22 20:08:10,251 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 08:08:10" (1/1) ... [2025-01-22 20:08:10,255 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-22 20:08:10,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-22 20:08:10,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-22 20:08:10,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-22 20:08:10,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-22 20:08:10,261 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 08:08:10" (1/1) ... [2025-01-22 20:08:10,262 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 08:08:10" (1/1) ... [2025-01-22 20:08:10,263 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 08:08:10" (1/1) ... [2025-01-22 20:08:10,263 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 08:08:10" (1/1) ... [2025-01-22 20:08:10,265 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 08:08:10" (1/1) ... [2025-01-22 20:08:10,266 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 08:08:10" (1/1) ... [2025-01-22 20:08:10,269 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 08:08:10" (1/1) ... [2025-01-22 20:08:10,269 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 08:08:10" (1/1) ... [2025-01-22 20:08:10,270 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 08:08:10" (1/1) ... [2025-01-22 20:08:10,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-22 20:08:10,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-22 20:08:10,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-22 20:08:10,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-22 20:08:10,273 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 08:08:10" (1/1) ... [2025-01-22 20:08:10,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 20:08:10,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:08:10,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-22 20:08:10,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-22 20:08:10,319 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-22 20:08:10,319 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-22 20:08:10,319 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-22 20:08:10,320 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-22 20:08:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-22 20:08:10,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-22 20:08:10,320 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-22 20:08:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-22 20:08:10,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-22 20:08:10,320 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-01-22 20:08:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-22 20:08:10,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-22 20:08:10,321 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-22 20:08:10,357 INFO L234 CfgBuilder]: Building ICFG [2025-01-22 20:08:10,358 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-22 20:08:10,422 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-22 20:08:10,422 INFO L283 CfgBuilder]: Performing block encoding [2025-01-22 20:08:10,439 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-22 20:08:10,440 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-22 20:08:10,440 INFO L201 PluginConnector]: Adding new model mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 08:08:10 BoogieIcfgContainer [2025-01-22 20:08:10,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-22 20:08:10,442 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-22 20:08:10,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-22 20:08:10,446 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-22 20:08:10,446 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 08:08:10" (1/2) ... [2025-01-22 20:08:10,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4049dac1 and model type mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.01 08:08:10, skipping insertion in model container [2025-01-22 20:08:10,446 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 08:08:10" (2/2) ... [2025-01-22 20:08:10,447 INFO L128 eAbstractionObserver]: Analyzing ICFG mult-dist.wvr.bpl [2025-01-22 20:08:10,456 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-22 20:08:10,458 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 20:08:10,458 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-22 20:08:10,488 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-22 20:08:10,515 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 20:08:10,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-22 20:08:10,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:08:10,518 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-22 20:08:10,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-22 20:08:10,567 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-22 20:08:10,580 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-22 20:08:10,585 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;@6718478a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 20:08:10,585 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-22 20:08:10,677 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:08:10,678 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:08:10,678 INFO L139 ounterexampleChecker]: Examining path program with hash 264466338, occurence #1 [2025-01-22 20:08:10,678 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:08:10,678 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:08:10,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:08:10,684 INFO L85 PathProgramCache]: Analyzing trace with hash -2042285534, now seen corresponding path program 1 times [2025-01-22 20:08:10,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:08:10,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153271253] [2025-01-22 20:08:10,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:08:10,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:08:10,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-22 20:08:10,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-22 20:08:10,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:08:10,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:08:11,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:08:11,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:08:11,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153271253] [2025-01-22 20:08:11,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153271253] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 20:08:11,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 20:08:11,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-22 20:08:11,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121323115] [2025-01-22 20:08:11,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 20:08:11,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-22 20:08:11,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:08:11,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-22 20:08:11,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-01-22 20:08:11,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:08:11,039 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:08:11,040 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 20:08:11,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:08:11,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 20:08:11,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-22 20:08:11,141 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:08:11,141 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:08:11,141 INFO L139 ounterexampleChecker]: Examining path program with hash 1506427570, occurence #1 [2025-01-22 20:08:11,141 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:08:11,141 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:08:11,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:08:11,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1047362584, now seen corresponding path program 1 times [2025-01-22 20:08:11,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:08:11,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431080731] [2025-01-22 20:08:11,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:08:11,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:08:11,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-22 20:08:11,157 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-22 20:08:11,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:08:11,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:08:11,352 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 20:08:11,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:08:11,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431080731] [2025-01-22 20:08:11,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431080731] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:08:11,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394361447] [2025-01-22 20:08:11,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:08:11,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:08:11,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:08:11,356 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 20:08:11,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-22 20:08:11,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-22 20:08:11,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-22 20:08:11,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:08:11,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:08:11,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-22 20:08:11,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:08:11,648 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 20:08:11,648 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:08:11,738 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 20:08:11,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394361447] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:08:11,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:08:11,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 18 [2025-01-22 20:08:11,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268976555] [2025-01-22 20:08:11,739 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:08:11,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-22 20:08:11,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:08:11,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-22 20:08:11,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2025-01-22 20:08:11,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:08:11,741 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:08:11,741 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 20:08:11,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 20:08:11,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:08:12,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 20:08:12,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:08:12,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-22 20:08:12,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:08:12,664 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:08:12,664 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:08:12,664 INFO L139 ounterexampleChecker]: Examining path program with hash -1150058138, occurence #1 [2025-01-22 20:08:12,664 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:08:12,664 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:08:12,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:08:12,665 INFO L85 PathProgramCache]: Analyzing trace with hash 2100982644, now seen corresponding path program 2 times [2025-01-22 20:08:12,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:08:12,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406433991] [2025-01-22 20:08:12,666 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 20:08:12,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:08:12,670 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-01-22 20:08:12,678 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-01-22 20:08:12,680 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 20:08:12,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:08:12,868 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 20:08:12,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:08:12,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406433991] [2025-01-22 20:08:12,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406433991] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:08:12,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435950031] [2025-01-22 20:08:12,869 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 20:08:12,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:08:12,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:08:12,870 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 20:08:12,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-22 20:08:12,893 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-01-22 20:08:12,904 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-01-22 20:08:12,904 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 20:08:12,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:08:12,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-22 20:08:12,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:08:13,230 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 20:08:13,230 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:08:13,341 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 20:08:13,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435950031] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:08:13,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:08:13,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13, 7] total 26 [2025-01-22 20:08:13,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917842875] [2025-01-22 20:08:13,342 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:08:13,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-01-22 20:08:13,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:08:13,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-01-22 20:08:13,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=576, Unknown=0, NotChecked=0, Total=702 [2025-01-22 20:08:13,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:08:13,344 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:08:13,344 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 20:08:13,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 20:08:13,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 20:08:13,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:08:15,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 20:08:15,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:08:15,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-22 20:08:15,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-22 20:08:15,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:08:15,357 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:08:15,358 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:08:15,358 INFO L139 ounterexampleChecker]: Examining path program with hash 389333622, occurence #1 [2025-01-22 20:08:15,358 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:08:15,358 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:08:15,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:08:15,358 INFO L85 PathProgramCache]: Analyzing trace with hash 845296058, now seen corresponding path program 3 times [2025-01-22 20:08:15,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:08:15,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578877461] [2025-01-22 20:08:15,358 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 20:08:15,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:08:15,363 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 62 statements into 6 equivalence classes. [2025-01-22 20:08:15,377 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 62 of 62 statements. [2025-01-22 20:08:15,377 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-22 20:08:15,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:08:15,711 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 20:08:15,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:08:15,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578877461] [2025-01-22 20:08:15,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578877461] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:08:15,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510137554] [2025-01-22 20:08:15,711 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 20:08:15,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:08:15,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:08:15,713 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 20:08:15,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-22 20:08:15,734 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 62 statements into 6 equivalence classes. [2025-01-22 20:08:15,751 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 62 of 62 statements. [2025-01-22 20:08:15,751 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-22 20:08:15,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:08:15,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-22 20:08:15,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:08:16,433 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 20:08:16,433 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:08:16,613 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 20:08:16,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510137554] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:08:16,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:08:16,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 27, 15] total 43 [2025-01-22 20:08:16,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775608767] [2025-01-22 20:08:16,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:08:16,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2025-01-22 20:08:16,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:08:16,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2025-01-22 20:08:16,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=290, Invalid=1602, Unknown=0, NotChecked=0, Total=1892 [2025-01-22 20:08:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:08:16,615 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:08:16,615 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 20:08:16,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 20:08:16,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:08:16,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-22 20:08:16,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:08:18,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 20:08:18,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:08:18,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:08:18,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-01-22 20:08:18,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-22 20:08:18,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:08:18,915 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:08:18,915 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:08:18,915 INFO L139 ounterexampleChecker]: Examining path program with hash -1195310786, occurence #1 [2025-01-22 20:08:18,915 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:08:18,915 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:08:18,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:08:18,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1369886386, now seen corresponding path program 4 times [2025-01-22 20:08:18,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:08:18,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491226446] [2025-01-22 20:08:18,917 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 20:08:18,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:08:18,921 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 98 statements into 2 equivalence classes. [2025-01-22 20:08:18,931 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 20:08:18,931 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 20:08:18,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:08:19,492 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 20:08:19,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:08:19,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491226446] [2025-01-22 20:08:19,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491226446] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:08:19,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827532070] [2025-01-22 20:08:19,492 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 20:08:19,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:08:19,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:08:19,496 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 20:08:19,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-22 20:08:19,526 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 98 statements into 2 equivalence classes. [2025-01-22 20:08:19,547 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 20:08:19,547 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 20:08:19,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:08:19,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-01-22 20:08:19,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:08:20,761 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 20:08:20,761 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:08:21,039 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 20:08:21,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827532070] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:08:21,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:08:21,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 45, 19] total 71 [2025-01-22 20:08:21,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120515397] [2025-01-22 20:08:21,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:08:21,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2025-01-22 20:08:21,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:08:21,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2025-01-22 20:08:21,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=692, Invalid=4420, Unknown=0, NotChecked=0, Total=5112 [2025-01-22 20:08:21,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:08:21,043 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:08:21,043 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 20:08:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 20:08:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:08:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:08:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-01-22 20:08:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:08:26,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 20:08:26,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:08:26,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:08:26,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-22 20:08:26,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2025-01-22 20:08:26,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-22 20:08:26,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:08:26,657 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:08:26,657 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:08:26,657 INFO L139 ounterexampleChecker]: Examining path program with hash 389333622, occurence #2 [2025-01-22 20:08:26,657 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 20:08:26,657 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2025-01-22 20:08:26,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:26,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-01-22 20:08:26,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:26,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 143 [2025-01-22 20:08:26,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:26,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-01-22 20:08:26,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:26,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2025-01-22 20:08:26,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:26,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2025-01-22 20:08:26,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:26,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2025-01-22 20:08:26,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:26,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-01-22 20:08:26,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:26,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-01-22 20:08:26,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:26,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-01-22 20:08:26,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:26,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2025-01-22 20:08:26,659 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:08:26,659 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 20:08:26,659 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:08:26,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:08:26,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1696083674, now seen corresponding path program 5 times [2025-01-22 20:08:26,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:08:26,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803738090] [2025-01-22 20:08:26,659 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 20:08:26,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:08:26,665 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 162 statements into 16 equivalence classes. [2025-01-22 20:08:26,685 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 162 of 162 statements. [2025-01-22 20:08:26,685 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-01-22 20:08:26,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:08:27,776 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 20:08:27,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:08:27,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803738090] [2025-01-22 20:08:27,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803738090] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:08:27,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399427070] [2025-01-22 20:08:27,777 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 20:08:27,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:08:27,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:08:27,782 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 20:08:27,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-22 20:08:27,815 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 162 statements into 16 equivalence classes. [2025-01-22 20:08:27,861 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 162 of 162 statements. [2025-01-22 20:08:27,861 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-01-22 20:08:27,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:08:27,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 80 conjuncts are in the unsatisfiable core [2025-01-22 20:08:27,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:08:30,445 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 20:08:30,445 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:08:31,006 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 20:08:31,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399427070] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:08:31,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:08:31,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 77, 31] total 117 [2025-01-22 20:08:31,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085337339] [2025-01-22 20:08:31,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:08:31,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 118 states [2025-01-22 20:08:31,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:08:31,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2025-01-22 20:08:31,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2039, Invalid=11767, Unknown=0, NotChecked=0, Total=13806 [2025-01-22 20:08:31,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:08:31,010 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:08:31,011 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 20:08:31,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 20:08:31,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:08:31,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:08:31,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-22 20:08:31,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2025-01-22 20:08:31,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:08:40,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 20:08:40,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:08:40,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:08:40,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-22 20:08:40,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2025-01-22 20:08:40,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2025-01-22 20:08:40,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-22 20:08:40,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-01-22 20:08:40,862 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:08:40,862 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:08:40,863 INFO L139 ounterexampleChecker]: Examining path program with hash -1195310786, occurence #2 [2025-01-22 20:08:40,863 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 20:08:40,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 227 [2025-01-22 20:08:40,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:40,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2025-01-22 20:08:40,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:40,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2025-01-22 20:08:40,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:40,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2025-01-22 20:08:40,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:40,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 235 [2025-01-22 20:08:40,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:40,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 237 [2025-01-22 20:08:40,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:40,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 239 [2025-01-22 20:08:40,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:40,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 241 [2025-01-22 20:08:40,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:40,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2025-01-22 20:08:40,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:40,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 245 [2025-01-22 20:08:40,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:40,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2025-01-22 20:08:40,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:40,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2025-01-22 20:08:40,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:40,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 251 [2025-01-22 20:08:40,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:40,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2025-01-22 20:08:40,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:40,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 255 [2025-01-22 20:08:40,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:40,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2025-01-22 20:08:40,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:40,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2025-01-22 20:08:40,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:40,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2025-01-22 20:08:40,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:40,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 263 [2025-01-22 20:08:40,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:08:40,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 265 [2025-01-22 20:08:40,864 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:08:40,864 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 20:08:40,864 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:08:40,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:08:40,865 INFO L85 PathProgramCache]: Analyzing trace with hash 810879928, now seen corresponding path program 6 times [2025-01-22 20:08:40,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:08:40,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447339624] [2025-01-22 20:08:40,865 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 20:08:40,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:08:40,872 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 268 statements into 26 equivalence classes. [2025-01-22 20:08:40,913 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 26 check-sat command(s) and asserted 268 of 268 statements. [2025-01-22 20:08:40,913 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 26 check-sat command(s) [2025-01-22 20:08:40,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:08:43,262 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 20:08:43,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:08:43,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447339624] [2025-01-22 20:08:43,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447339624] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:08:43,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623746458] [2025-01-22 20:08:43,263 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 20:08:43,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:08:43,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:08:43,264 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 20:08:43,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-22 20:08:43,297 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 268 statements into 26 equivalence classes. [2025-01-22 20:08:43,361 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 26 check-sat command(s) and asserted 268 of 268 statements. [2025-01-22 20:08:43,361 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 26 check-sat command(s) [2025-01-22 20:08:43,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:08:43,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 133 conjuncts are in the unsatisfiable core [2025-01-22 20:08:43,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:08:49,744 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 20:08:49,744 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:08:51,147 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 20:08:51,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623746458] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:08:51,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:08:51,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 130, 50] total 194 [2025-01-22 20:08:51,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399724109] [2025-01-22 20:08:51,148 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:08:51,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 195 states [2025-01-22 20:08:51,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:08:51,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2025-01-22 20:08:51,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5047, Invalid=32783, Unknown=0, NotChecked=0, Total=37830 [2025-01-22 20:08:51,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:08:51,155 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:08:51,156 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 20:08:51,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 20:08:51,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:08:51,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:08:51,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-22 20:08:51,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2025-01-22 20:08:51,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2025-01-22 20:08:51,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:09:16,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 20:09:16,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:09:16,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:09:16,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-22 20:09:16,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2025-01-22 20:09:16,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 348 states. [2025-01-22 20:09:16,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 456 states. [2025-01-22 20:09:16,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-22 20:09:16,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:09:16,881 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:09:16,881 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:09:16,883 INFO L139 ounterexampleChecker]: Examining path program with hash 389333622, occurence #3 [2025-01-22 20:09:16,883 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 20:09:16,883 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 369 [2025-01-22 20:09:16,883 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,883 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 371 [2025-01-22 20:09:16,883 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,883 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 373 [2025-01-22 20:09:16,883 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,883 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 375 [2025-01-22 20:09:16,883 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,883 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 377 [2025-01-22 20:09:16,883 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,883 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 379 [2025-01-22 20:09:16,883 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,883 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 381 [2025-01-22 20:09:16,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 383 [2025-01-22 20:09:16,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 385 [2025-01-22 20:09:16,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 387 [2025-01-22 20:09:16,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 389 [2025-01-22 20:09:16,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 391 [2025-01-22 20:09:16,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 393 [2025-01-22 20:09:16,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 395 [2025-01-22 20:09:16,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 397 [2025-01-22 20:09:16,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 399 [2025-01-22 20:09:16,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 401 [2025-01-22 20:09:16,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 403 [2025-01-22 20:09:16,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 405 [2025-01-22 20:09:16,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 407 [2025-01-22 20:09:16,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 409 [2025-01-22 20:09:16,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 411 [2025-01-22 20:09:16,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 413 [2025-01-22 20:09:16,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 415 [2025-01-22 20:09:16,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 417 [2025-01-22 20:09:16,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 419 [2025-01-22 20:09:16,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 421 [2025-01-22 20:09:16,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 423 [2025-01-22 20:09:16,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 425 [2025-01-22 20:09:16,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 427 [2025-01-22 20:09:16,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:09:16,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 429 [2025-01-22 20:09:16,885 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:09:16,885 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 20:09:16,885 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:09:16,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:09:16,886 INFO L85 PathProgramCache]: Analyzing trace with hash -732980756, now seen corresponding path program 7 times [2025-01-22 20:09:16,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:09:16,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394656274] [2025-01-22 20:09:16,886 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 20:09:16,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:09:16,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 432 statements into 1 equivalence classes. [2025-01-22 20:09:17,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 432 of 432 statements. [2025-01-22 20:09:17,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:09:17,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:09:23,487 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 20:09:23,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:09:23,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394656274] [2025-01-22 20:09:23,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394656274] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:09:23,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278593466] [2025-01-22 20:09:23,488 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 20:09:23,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:09:23,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:09:23,490 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 20:09:23,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-22 20:09:23,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 432 statements into 1 equivalence classes. [2025-01-22 20:09:23,622 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 432 of 432 statements. [2025-01-22 20:09:23,622 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:09:23,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:09:23,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 215 conjuncts are in the unsatisfiable core [2025-01-22 20:09:23,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:09:38,835 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 20:09:38,835 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:09:41,729 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 20:09:41,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278593466] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:09:41,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:09:41,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 212, 78] total 315 [2025-01-22 20:09:41,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697462528] [2025-01-22 20:09:41,729 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:09:41,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 316 states [2025-01-22 20:09:41,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:09:41,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 316 interpolants. [2025-01-22 20:09:41,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13986, Invalid=85554, Unknown=0, NotChecked=0, Total=99540 [2025-01-22 20:09:41,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:09:41,739 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:09:41,740 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 20:09:41,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 20:09:41,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:09:41,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:09:41,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-22 20:09:41,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2025-01-22 20:09:41,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 348 states. [2025-01-22 20:09:41,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 456 states. [2025-01-22 20:09:41,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:10:38,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 20:10:38,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:10:38,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:10:38,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-22 20:10:38,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2025-01-22 20:10:38,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 348 states. [2025-01-22 20:10:38,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 590 states. [2025-01-22 20:10:38,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 710 states. [2025-01-22 20:10:38,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-22 20:10:38,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:10:38,956 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:10:38,956 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:10:38,957 INFO L139 ounterexampleChecker]: Examining path program with hash -1195310786, occurence #3 [2025-01-22 20:10:38,957 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 20:10:38,957 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 599 [2025-01-22 20:10:38,957 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,957 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 601 [2025-01-22 20:10:38,957 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,957 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 603 [2025-01-22 20:10:38,957 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,957 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 605 [2025-01-22 20:10:38,957 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,957 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 607 [2025-01-22 20:10:38,957 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,957 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 609 [2025-01-22 20:10:38,957 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,957 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 611 [2025-01-22 20:10:38,957 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,957 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 613 [2025-01-22 20:10:38,957 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,957 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 615 [2025-01-22 20:10:38,957 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,958 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 617 [2025-01-22 20:10:38,958 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,958 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 619 [2025-01-22 20:10:38,958 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,958 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 621 [2025-01-22 20:10:38,958 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,958 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 623 [2025-01-22 20:10:38,958 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,958 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 625 [2025-01-22 20:10:38,958 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,958 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 627 [2025-01-22 20:10:38,958 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,958 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 629 [2025-01-22 20:10:38,958 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,958 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 631 [2025-01-22 20:10:38,958 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,958 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 633 [2025-01-22 20:10:38,958 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,958 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 635 [2025-01-22 20:10:38,958 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,958 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 637 [2025-01-22 20:10:38,958 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,958 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 639 [2025-01-22 20:10:38,958 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 641 [2025-01-22 20:10:38,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 643 [2025-01-22 20:10:38,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 645 [2025-01-22 20:10:38,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 647 [2025-01-22 20:10:38,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 649 [2025-01-22 20:10:38,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 651 [2025-01-22 20:10:38,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 653 [2025-01-22 20:10:38,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 655 [2025-01-22 20:10:38,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 657 [2025-01-22 20:10:38,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 659 [2025-01-22 20:10:38,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 661 [2025-01-22 20:10:38,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 663 [2025-01-22 20:10:38,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 665 [2025-01-22 20:10:38,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 667 [2025-01-22 20:10:38,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 669 [2025-01-22 20:10:38,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 671 [2025-01-22 20:10:38,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 673 [2025-01-22 20:10:38,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 675 [2025-01-22 20:10:38,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 677 [2025-01-22 20:10:38,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 679 [2025-01-22 20:10:38,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 681 [2025-01-22 20:10:38,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 683 [2025-01-22 20:10:38,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 685 [2025-01-22 20:10:38,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 687 [2025-01-22 20:10:38,961 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 689 [2025-01-22 20:10:38,961 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 691 [2025-01-22 20:10:38,961 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 693 [2025-01-22 20:10:38,961 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 695 [2025-01-22 20:10:38,961 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 697 [2025-01-22 20:10:38,961 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 699 [2025-01-22 20:10:38,961 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 701 [2025-01-22 20:10:38,961 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 703 [2025-01-22 20:10:38,961 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:10:38,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 705 [2025-01-22 20:10:38,961 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:10:38,961 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 20:10:38,961 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:10:38,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:10:38,962 INFO L85 PathProgramCache]: Analyzing trace with hash -228403888, now seen corresponding path program 8 times [2025-01-22 20:10:38,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:10:38,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097416733] [2025-01-22 20:10:38,962 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 20:10:38,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:10:39,097 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 708 statements into 2 equivalence classes. [2025-01-22 20:10:39,478 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 708 of 708 statements. [2025-01-22 20:10:39,478 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 20:10:39,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:11:01,047 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 20:11:01,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:11:01,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097416733] [2025-01-22 20:11:01,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097416733] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:11:01,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090153785] [2025-01-22 20:11:01,047 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 20:11:01,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:11:01,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:11:01,049 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 20:11:01,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-22 20:11:01,103 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 708 statements into 2 equivalence classes. [2025-01-22 20:11:01,246 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 708 of 708 statements. [2025-01-22 20:11:01,246 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 20:11:01,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:11:01,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 1786 conjuncts, 353 conjuncts are in the unsatisfiable core [2025-01-22 20:11:01,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:11:38,920 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 20:11:38,921 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:11:45,946 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 20:11:45,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090153785] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:11:45,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:11:45,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [129, 350, 128] total 511 [2025-01-22 20:11:45,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117227211] [2025-01-22 20:11:45,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:11:45,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 512 states [2025-01-22 20:11:45,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:11:45,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 512 interpolants. [2025-01-22 20:11:45,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35688, Invalid=225944, Unknown=0, NotChecked=0, Total=261632 [2025-01-22 20:11:45,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:11:45,967 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:11:45,968 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 20:11:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 20:11:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:11:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:11:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-22 20:11:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2025-01-22 20:11:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 348 states. [2025-01-22 20:11:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 590 states. [2025-01-22 20:11:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 710 states. [2025-01-22 20:11:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:15:14,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 20:15:14,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:15:14,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:15:14,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-22 20:15:14,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2025-01-22 20:15:14,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 348 states. [2025-01-22 20:15:14,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 590 states. [2025-01-22 20:15:14,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 923 states. [2025-01-22 20:15:14,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1193 states. [2025-01-22 20:15:14,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-22 20:15:14,820 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 20:15:14,820 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:15:14,821 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:15:14,821 INFO L139 ounterexampleChecker]: Examining path program with hash 389333622, occurence #4 [2025-01-22 20:15:14,821 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 20:15:14,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 971 [2025-01-22 20:15:14,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 973 [2025-01-22 20:15:14,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 975 [2025-01-22 20:15:14,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 977 [2025-01-22 20:15:14,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 979 [2025-01-22 20:15:14,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 981 [2025-01-22 20:15:14,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 983 [2025-01-22 20:15:14,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 985 [2025-01-22 20:15:14,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 987 [2025-01-22 20:15:14,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 989 [2025-01-22 20:15:14,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 991 [2025-01-22 20:15:14,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 993 [2025-01-22 20:15:14,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 995 [2025-01-22 20:15:14,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 997 [2025-01-22 20:15:14,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 999 [2025-01-22 20:15:14,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1001 [2025-01-22 20:15:14,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1003 [2025-01-22 20:15:14,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1005 [2025-01-22 20:15:14,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1007 [2025-01-22 20:15:14,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1009 [2025-01-22 20:15:14,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1011 [2025-01-22 20:15:14,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1013 [2025-01-22 20:15:14,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1015 [2025-01-22 20:15:14,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1017 [2025-01-22 20:15:14,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1019 [2025-01-22 20:15:14,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1021 [2025-01-22 20:15:14,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1023 [2025-01-22 20:15:14,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1025 [2025-01-22 20:15:14,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1027 [2025-01-22 20:15:14,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1029 [2025-01-22 20:15:14,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1031 [2025-01-22 20:15:14,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1033 [2025-01-22 20:15:14,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1035 [2025-01-22 20:15:14,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1037 [2025-01-22 20:15:14,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1039 [2025-01-22 20:15:14,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1041 [2025-01-22 20:15:14,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1043 [2025-01-22 20:15:14,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1045 [2025-01-22 20:15:14,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1047 [2025-01-22 20:15:14,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1049 [2025-01-22 20:15:14,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1051 [2025-01-22 20:15:14,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1053 [2025-01-22 20:15:14,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1055 [2025-01-22 20:15:14,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1057 [2025-01-22 20:15:14,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1059 [2025-01-22 20:15:14,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1061 [2025-01-22 20:15:14,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1063 [2025-01-22 20:15:14,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1065 [2025-01-22 20:15:14,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1067 [2025-01-22 20:15:14,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1069 [2025-01-22 20:15:14,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1071 [2025-01-22 20:15:14,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1073 [2025-01-22 20:15:14,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1075 [2025-01-22 20:15:14,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1077 [2025-01-22 20:15:14,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1079 [2025-01-22 20:15:14,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1081 [2025-01-22 20:15:14,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1083 [2025-01-22 20:15:14,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1085 [2025-01-22 20:15:14,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1087 [2025-01-22 20:15:14,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1089 [2025-01-22 20:15:14,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1091 [2025-01-22 20:15:14,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1093 [2025-01-22 20:15:14,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1095 [2025-01-22 20:15:14,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1097 [2025-01-22 20:15:14,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1099 [2025-01-22 20:15:14,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1101 [2025-01-22 20:15:14,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1103 [2025-01-22 20:15:14,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1105 [2025-01-22 20:15:14,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1107 [2025-01-22 20:15:14,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1109 [2025-01-22 20:15:14,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1111 [2025-01-22 20:15:14,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1113 [2025-01-22 20:15:14,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1115 [2025-01-22 20:15:14,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1117 [2025-01-22 20:15:14,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1119 [2025-01-22 20:15:14,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1121 [2025-01-22 20:15:14,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1123 [2025-01-22 20:15:14,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1125 [2025-01-22 20:15:14,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1127 [2025-01-22 20:15:14,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1129 [2025-01-22 20:15:14,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1131 [2025-01-22 20:15:14,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1133 [2025-01-22 20:15:14,828 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,828 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1135 [2025-01-22 20:15:14,828 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,828 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1137 [2025-01-22 20:15:14,828 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:15:14,828 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1139 [2025-01-22 20:15:14,828 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:15:14,828 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 20:15:14,828 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:15:14,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:15:14,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1259125294, now seen corresponding path program 9 times [2025-01-22 20:15:14,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:15:14,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214002850] [2025-01-22 20:15:14,829 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 20:15:14,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:15:14,856 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 1142 statements into 114 equivalence classes. [2025-01-22 20:15:15,350 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 114 check-sat command(s) and asserted 1142 of 1142 statements. [2025-01-22 20:15:15,351 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 114 check-sat command(s) [2025-01-22 20:15:15,351 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:16:30,196 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 20:16:30,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:16:30,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214002850] [2025-01-22 20:16:30,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214002850] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:16:30,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223599439] [2025-01-22 20:16:30,196 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 20:16:30,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:16:30,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:16:30,198 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 20:16:30,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-22 20:16:30,278 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 1142 statements into 114 equivalence classes. [2025-01-22 20:16:30,877 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 114 check-sat command(s) and asserted 1142 of 1142 statements. [2025-01-22 20:16:30,877 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 114 check-sat command(s) [2025-01-22 20:16:30,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:16:30,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 2871 conjuncts, 570 conjuncts are in the unsatisfiable core [2025-01-22 20:16:30,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:18:05,377 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 20:18:05,377 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:18:23,306 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 20:18:23,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223599439] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:18:23,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:18:23,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [205, 567, 203] total 830 [2025-01-22 20:18:23,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034999516] [2025-01-22 20:18:23,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:18:23,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 831 states [2025-01-22 20:18:23,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:18:23,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 831 interpolants. [2025-01-22 20:18:23,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95744, Invalid=593986, Unknown=0, NotChecked=0, Total=689730 [2025-01-22 20:18:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:18:23,350 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:18:23,351 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 20:18:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 20:18:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 20:18:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 20:18:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-22 20:18:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2025-01-22 20:18:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 348 states. [2025-01-22 20:18:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 590 states. [2025-01-22 20:18:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 923 states. [2025-01-22 20:18:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1193 states. [2025-01-22 20:18:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2025-01-22 20:22:03,613 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 20:22:03,613 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 20:22:03,613 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 20:22:03,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-22 20:22:04,145 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 20:22:04,145 WARN L596 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2025-01-22 20:22:04,147 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2025-01-22 20:22:04,147 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-01-22 20:22:04,147 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-01-22 20:22:04,147 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-01-22 20:22:04,151 INFO L422 BasicCegarLoop]: Path program histogram: [9, 1] [2025-01-22 20:22:04,152 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-22 20:22:04,152 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-22 20:22:04,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-01-22 20:22:04,160 INFO L201 PluginConnector]: Adding new model mult-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.01 08:22:04 BasicIcfg [2025-01-22 20:22:04,160 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-22 20:22:04,160 INFO L158 Benchmark]: Toolchain (without parser) took 833922.44ms. Allocated memory was 117.4MB in the beginning and 5.6GB in the end (delta: 5.5GB). Free memory was 81.0MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 3.5GB. Max. memory is 16.0GB. [2025-01-22 20:22:04,160 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 20:22:04,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.69ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 20:22:04,161 INFO L158 Benchmark]: Boogie Preprocessor took 13.74ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 79.0MB in the end (delta: 716.7kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 20:22:04,161 INFO L158 Benchmark]: RCFGBuilder took 168.75ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 68.2MB in the end (delta: 10.8MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 20:22:04,161 INFO L158 Benchmark]: TraceAbstraction took 833717.41ms. Allocated memory was 117.4MB in the beginning and 5.6GB in the end (delta: 5.5GB). Free memory was 67.6MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 3.5GB. Max. memory is 16.0GB. [2025-01-22 20:22:04,162 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 0.21ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 17.69ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 13.74ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 79.0MB in the end (delta: 716.7kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 168.75ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 68.2MB in the end (delta: 10.8MB). There was no memory consumed. Max. memory is 16.0GB. * TraceAbstraction took 833717.41ms. Allocated memory was 117.4MB in the beginning and 5.6GB in the end (delta: 5.5GB). Free memory was 67.6MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 3.5GB. 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: 28357, independent: 23199, independent conditional: 22916, independent unconditional: 283, dependent: 5158, dependent conditional: 5158, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23199, independent: 23199, independent conditional: 22916, 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: 23199, independent: 23199, independent conditional: 22916, 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: 23199, independent: 23199, independent conditional: 22916, 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: 23199, independent: 23199, independent conditional: 0, independent unconditional: 23199, 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: 23199, independent: 23199, independent conditional: 0, independent unconditional: 23199, 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: 23199, independent: 22936, independent conditional: 0, independent unconditional: 22936, 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: 22916, Maximal queried relation: 0, Independence queries for same thread: 5158, 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: 28357, independent: 23199, independent conditional: 22916, independent unconditional: 283, dependent: 5158, dependent conditional: 5158, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23199, independent: 23199, independent conditional: 22916, 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: 23199, independent: 23199, independent conditional: 22916, 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: 23199, independent: 23199, independent conditional: 22916, 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: 23199, independent: 23199, independent conditional: 0, independent unconditional: 23199, 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: 23199, independent: 23199, independent conditional: 0, independent unconditional: 23199, 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: 23199, independent: 22936, independent conditional: 0, independent unconditional: 22936, 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: 22916, Maximal queried relation: 0, Independence queries for same thread: 5158 - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 56]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 56]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - 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: 833.6s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 531.7s, 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: 4388, 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, 2.2s SatisfiabilityAnalysisTime, 297.1s 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