/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-22 21:30:17,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-22 21:30:17,558 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-22 21:30:17,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-22 21:30:17,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-22 21:30:17,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-22 21:30:17,613 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-22 21:30:17,613 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-22 21:30:17,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-22 21:30:17,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-22 21:30:17,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-22 21:30:17,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-22 21:30:17,615 INFO L153 SettingsManager]: * Use SBE=true [2025-01-22 21:30:17,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-22 21:30:17,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-22 21:30:17,615 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-22 21:30:17,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-22 21:30:17,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-22 21:30:17,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-22 21:30:17,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-22 21:30:17,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-22 21:30:17,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-22 21:30:17,616 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-22 21:30:17,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-22 21:30:17,616 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-22 21:30:17,616 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-22 21:30:17,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-22 21:30:17,616 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-22 21:30:17,616 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-22 21:30:17,616 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-22 21:30:17,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 21:30:17,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-22 21:30:17,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-22 21:30:17,617 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-22 21:30:17,617 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-22 21:30:17,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-22 21:30:17,617 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-22 21:30:17,617 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-22 21:30:17,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-22 21:30:17,617 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-22 21:30:17,617 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-22 21:30:17,618 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-22 21:30:17,618 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-22 21:30:17,618 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2025-01-22 21:30:17,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-22 21:30:17,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-22 21:30:17,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-22 21:30:17,904 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-22 21:30:17,906 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-22 21:30:17,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl [2025-01-22 21:30:17,908 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl' [2025-01-22 21:30:17,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-22 21:30:17,931 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-22 21:30:17,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-22 21:30:17,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-22 21:30:17,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-22 21:30:17,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:30:17" (1/1) ... [2025-01-22 21:30:17,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:30:17" (1/1) ... [2025-01-22 21:30:17,954 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-22 21:30:17,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-22 21:30:17,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-22 21:30:17,956 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-22 21:30:17,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-22 21:30:17,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:30:17" (1/1) ... [2025-01-22 21:30:17,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:30:17" (1/1) ... [2025-01-22 21:30:17,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:30:17" (1/1) ... [2025-01-22 21:30:17,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:30:17" (1/1) ... [2025-01-22 21:30:17,966 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:30:17" (1/1) ... [2025-01-22 21:30:17,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:30:17" (1/1) ... [2025-01-22 21:30:17,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:30:17" (1/1) ... [2025-01-22 21:30:17,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:30:17" (1/1) ... [2025-01-22 21:30:17,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:30:17" (1/1) ... [2025-01-22 21:30:17,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-22 21:30:17,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-22 21:30:17,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-22 21:30:17,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-22 21:30:17,976 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:30:17" (1/1) ... [2025-01-22 21:30:17,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 21:30:17,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:30:18,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-22 21:30:18,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-22 21:30:18,045 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-22 21:30:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-22 21:30:18,046 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-22 21:30:18,046 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-22 21:30:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-22 21:30:18,046 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-22 21:30:18,046 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-22 21:30:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-22 21:30:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-22 21:30:18,047 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-01-22 21:30:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-22 21:30:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-22 21:30:18,048 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-22 21:30:18,088 INFO L234 CfgBuilder]: Building ICFG [2025-01-22 21:30:18,089 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-22 21:30:18,191 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-22 21:30:18,191 INFO L283 CfgBuilder]: Performing block encoding [2025-01-22 21:30:18,233 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-22 21:30:18,233 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-22 21:30:18,233 INFO L201 PluginConnector]: Adding new model min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 09:30:18 BoogieIcfgContainer [2025-01-22 21:30:18,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-22 21:30:18,238 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-22 21:30:18,238 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-22 21:30:18,243 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-22 21:30:18,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:30:17" (1/2) ... [2025-01-22 21:30:18,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec64412 and model type min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.01 09:30:18, skipping insertion in model container [2025-01-22 21:30:18,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 09:30:18" (2/2) ... [2025-01-22 21:30:18,245 INFO L128 eAbstractionObserver]: Analyzing ICFG min-fun-alt.wvr.bpl [2025-01-22 21:30:18,259 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-22 21:30:18,260 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG min-fun-alt.wvr.bpl that has 4 procedures, 20 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2025-01-22 21:30:18,261 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-22 21:30:18,313 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-22 21:30:18,344 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 21:30:18,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-22 21:30:18,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:30:18,347 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-22 21:30:18,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-22 21:30:18,397 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-22 21:30:18,415 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-22 21:30:18,422 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;@4c2b511f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 21:30:18,422 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-22 21:30:18,784 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 21:30:18,784 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:30:18,784 INFO L139 ounterexampleChecker]: Examining path program with hash 464764640, occurence #1 [2025-01-22 21:30:18,784 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 21:30:18,784 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:30:18,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:30:18,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1490265330, now seen corresponding path program 1 times [2025-01-22 21:30:18,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:30:18,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961029445] [2025-01-22 21:30:18,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:30:18,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:30:18,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-22 21:30:18,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-22 21:30:18,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:30:18,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:30:19,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:30:19,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:30:19,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961029445] [2025-01-22 21:30:19,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961029445] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 21:30:19,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 21:30:19,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-22 21:30:19,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651425481] [2025-01-22 21:30:19,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 21:30:19,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 21:30:19,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:30:19,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-22 21:30:19,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-22 21:30:19,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:30:19,057 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:30:19,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 21:30:19,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:30:19,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:30:19,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-22 21:30:19,155 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 21:30:19,156 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:30:19,156 INFO L139 ounterexampleChecker]: Examining path program with hash -1504241846, occurence #1 [2025-01-22 21:30:19,156 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 21:30:19,156 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:30:19,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:30:19,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1906162644, now seen corresponding path program 1 times [2025-01-22 21:30:19,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:30:19,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915802670] [2025-01-22 21:30:19,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:30:19,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:30:19,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-22 21:30:19,239 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-22 21:30:19,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:30:19,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:30:20,994 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:30:20,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:30:20,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915802670] [2025-01-22 21:30:20,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915802670] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:30:20,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852038209] [2025-01-22 21:30:20,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:30:20,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:30:20,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:30:21,009 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 21:30:21,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-22 21:30:21,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-22 21:30:21,060 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-22 21:30:21,060 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:30:21,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:30:21,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-01-22 21:30:21,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:30:22,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 21:30:22,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 21:30:22,766 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 21:30:22,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 255 treesize of output 183 [2025-01-22 21:30:23,209 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:30:23,209 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:30:26,439 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 21:30:26,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 1131 treesize of output 609 [2025-01-22 21:30:40,678 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:30:40,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852038209] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:30:40,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:30:40,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 24 [2025-01-22 21:30:40,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563797233] [2025-01-22 21:30:40,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:30:40,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-22 21:30:40,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:30:40,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-22 21:30:40,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2025-01-22 21:30:40,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:30:40,681 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:30:40,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 24 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 21:30:40,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:30:40,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:30:42,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:30:42,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-22 21:30:42,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-22 21:30:43,179 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 21:30:43,179 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 21:30:43,179 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:30:43,179 INFO L139 ounterexampleChecker]: Examining path program with hash 264260834, occurence #1 [2025-01-22 21:30:43,180 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 21:30:43,180 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:30:43,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:30:43,180 INFO L85 PathProgramCache]: Analyzing trace with hash -640358690, now seen corresponding path program 2 times [2025-01-22 21:30:43,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:30:43,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821764859] [2025-01-22 21:30:43,181 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 21:30:43,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:30:43,187 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-01-22 21:30:43,195 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-01-22 21:30:43,196 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 21:30:43,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:30:43,341 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:30:43,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:30:43,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821764859] [2025-01-22 21:30:43,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821764859] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:30:43,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084379703] [2025-01-22 21:30:43,341 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 21:30:43,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:30:43,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:30:43,343 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 21:30:43,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-22 21:30:43,363 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-01-22 21:30:43,373 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-01-22 21:30:43,373 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 21:30:43,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:30:43,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-22 21:30:43,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:30:43,492 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:30:43,492 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:30:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:30:43,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084379703] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:30:43,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:30:43,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 12] total 27 [2025-01-22 21:30:43,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446854629] [2025-01-22 21:30:43,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:30:43,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-01-22 21:30:43,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:30:43,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-01-22 21:30:43,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2025-01-22 21:30:43,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:30:43,652 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:30:43,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.9285714285714284) internal successors, (82), 27 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 21:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-22 21:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:30:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:30:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-22 21:30:44,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-22 21:30:44,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-22 21:30:44,352 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 21:30:44,352 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 21:30:44,353 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:30:44,353 INFO L139 ounterexampleChecker]: Examining path program with hash 264260834, occurence #2 [2025-01-22 21:30:44,353 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:30:44,353 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-01-22 21:30:44,354 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:30:44,354 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-22 21:30:44,354 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:30:44,354 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-22 21:30:44,354 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:30:44,354 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:30:44,354 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:30:44,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:30:44,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1192756316, now seen corresponding path program 3 times [2025-01-22 21:30:44,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:30:44,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112938198] [2025-01-22 21:30:44,355 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 21:30:44,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:30:44,359 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 40 statements into 4 equivalence classes. [2025-01-22 21:30:44,611 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 40 of 40 statements. [2025-01-22 21:30:44,612 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-22 21:30:44,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2025-01-22 21:44:47,192 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2025-01-22 21:44:47,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-22 21:44:47,193 WARN L596 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-6-3-4-5-6-7-9-7-9-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-5-6-5-6-5-6-5-6-5-6-5-6-5-6-5-6-5-6-4-6-4-6-3-6-3-6-3-6-2-6-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-45-5-5-6-6-6-7-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-4-6-3-6-2-6-2-4-1 context. [2025-01-22 21:44:47,194 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-01-22 21:44:47,194 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-01-22 21:44:47,194 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-01-22 21:44:47,200 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1] [2025-01-22 21:44:47,201 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-01-22 21:44:47,200 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-01-22 21:44:47,206 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-22 21:44:47,206 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-22 21:44:47,217 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 21:44:47,218 INFO L201 PluginConnector]: Adding new model min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.01 09:44:47 BasicIcfg [2025-01-22 21:44:47,218 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-22 21:44:47,219 INFO L158 Benchmark]: Toolchain (without parser) took 869287.64ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 80.9MB in the beginning and 983.7MB in the end (delta: -902.7MB). Peak memory consumption was 1.0GB. Max. memory is 16.0GB. [2025-01-22 21:44:47,219 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.23ms. 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 21:44:47,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.53ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 21:44:47,219 INFO L158 Benchmark]: Boogie Preprocessor took 18.90ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.9MB in the end (delta: 684.5kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 21:44:47,220 INFO L158 Benchmark]: RCFGBuilder took 258.08ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 68.5MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-01-22 21:44:47,220 INFO L158 Benchmark]: TraceAbstraction took 868979.60ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 67.9MB in the beginning and 983.7MB in the end (delta: -915.8MB). Peak memory consumption was 1.0GB. Max. memory is 16.0GB. [2025-01-22 21:44:47,221 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 0.23ms. 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 23.53ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 18.90ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.9MB in the end (delta: 684.5kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 258.08ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 68.5MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 868979.60ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 67.9MB in the beginning and 983.7MB in the end (delta: -915.8MB). Peak memory consumption was 1.0GB. 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: 1068, independent: 889, independent conditional: 651, independent unconditional: 238, dependent: 179, dependent conditional: 179, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 889, independent: 889, independent conditional: 651, independent unconditional: 238, 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: 889, independent: 889, independent conditional: 651, independent unconditional: 238, 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: 889, independent: 889, independent conditional: 651, independent unconditional: 238, 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: 889, independent: 889, independent conditional: 0, independent unconditional: 889, 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: 889, independent: 889, independent conditional: 0, independent unconditional: 889, 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: 222, independent: 222, independent conditional: 0, independent unconditional: 222, 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: 222, independent: 218, independent conditional: 0, independent unconditional: 218, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 304, independent: 304, independent conditional: 0, independent unconditional: 304, 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: 889, independent: 667, independent conditional: 0, independent unconditional: 667, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 222, unknown conditional: 0, unknown unconditional: 222] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 222, Positive conditional cache size: 0, Positive unconditional cache size: 222, 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: 651, Maximal queried relation: 0, Independence queries for same thread: 179, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 21, Number of trivial persistent sets: 11, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 238, independent: 238, independent conditional: 0, independent unconditional: 238, 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: 1068, independent: 889, independent conditional: 651, independent unconditional: 238, dependent: 179, dependent conditional: 179, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 889, independent: 889, independent conditional: 651, independent unconditional: 238, 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: 889, independent: 889, independent conditional: 651, independent unconditional: 238, 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: 889, independent: 889, independent conditional: 651, independent unconditional: 238, 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: 889, independent: 889, independent conditional: 0, independent unconditional: 889, 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: 889, independent: 889, independent conditional: 0, independent unconditional: 889, 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: 222, independent: 222, independent conditional: 0, independent unconditional: 222, 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: 222, independent: 218, independent conditional: 0, independent unconditional: 218, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 304, independent: 304, independent conditional: 0, independent unconditional: 304, 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: 889, independent: 667, independent conditional: 0, independent unconditional: 667, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 222, unknown conditional: 0, unknown unconditional: 222] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 222, Positive conditional cache size: 0, Positive unconditional cache size: 222, 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: 651, Maximal queried relation: 0, Independence queries for same thread: 179 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-6-3-4-5-6-7-9-7-9-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-5-6-5-6-5-6-5-6-5-6-5-6-5-6-5-6-5-6-4-6-4-6-3-6-3-6-3-6-2-6-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-45-5-5-6-6-6-7-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-4-6-3-6-2-6-2-4-1 context. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-6-3-4-5-6-7-9-7-9-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-5-6-5-6-5-6-5-6-5-6-5-6-5-6-5-6-5-6-4-6-4-6-3-6-3-6-3-6-2-6-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-45-5-5-6-6-6-7-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-4-6-3-6-2-6-2-4-1 context. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-6-3-4-5-6-7-9-7-9-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-5-6-5-6-5-6-5-6-5-6-5-6-5-6-5-6-5-6-4-6-4-6-3-6-3-6-3-6-2-6-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-45-5-5-6-6-6-7-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-4-6-3-6-2-6-2-4-1 context. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-6-3-4-5-6-7-9-7-9-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-5-6-5-6-5-6-5-6-5-6-5-6-5-6-5-6-5-6-4-6-4-6-3-6-3-6-3-6-2-6-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-45-5-5-6-6-6-7-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-4-6-3-6-2-6-2-4-1 context. - 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: 868.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 3.3s, 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: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 21.9s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 6724 SizeOfPredicates, 8 NumberOfNonLiveVariables, 171 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 12/75 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: 2, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown