/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure1-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 22:05:40,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 22:05:40,537 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 22:05:40,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 22:05:40,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 22:05:40,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 22:05:40,552 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 22:05:40,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 22:05:40,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 22:05:40,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 22:05:40,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 22:05:40,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 22:05:40,552 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 22:05:40,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 22:05:40,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 22:05:40,552 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 22:05:40,552 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 22:05:40,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 22:05:40,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 22:05:40,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 22:05:40,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 22:05:40,553 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 22:05:40,553 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 22:05:40,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 22:05:40,553 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 22:05:40,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 22:05:40,553 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 22:05:40,553 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 22:05:40,553 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 22:05:40,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 22:05:40,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 22:05:40,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 22:05:40,553 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 22:05:40,553 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 22:05:40,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 22:05:40,554 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 22:05:40,554 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 22:05:40,554 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 22:05:40,554 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 22:05:40,554 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2024-11-14 22:05:40,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 22:05:40,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 22:05:40,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 22:05:40,759 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-11-14 22:05:40,760 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-11-14 22:05:40,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure1-alt.wvr.bpl [2024-11-14 22:05:40,760 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure1-alt.wvr.bpl' [2024-11-14 22:05:40,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 22:05:40,773 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-11-14 22:05:40,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 22:05:40,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 22:05:40,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 22:05:40,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.11 10:05:40" (1/1) ... [2024-11-14 22:05:40,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.11 10:05:40" (1/1) ... [2024-11-14 22:05:40,790 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-11-14 22:05:40,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 22:05:40,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 22:05:40,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 22:05:40,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 22:05:40,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.11 10:05:40" (1/1) ... [2024-11-14 22:05:40,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.11 10:05:40" (1/1) ... [2024-11-14 22:05:40,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.11 10:05:40" (1/1) ... [2024-11-14 22:05:40,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.11 10:05:40" (1/1) ... [2024-11-14 22:05:40,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.11 10:05:40" (1/1) ... [2024-11-14 22:05:40,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.11 10:05:40" (1/1) ... [2024-11-14 22:05:40,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.11 10:05:40" (1/1) ... [2024-11-14 22:05:40,799 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.11 10:05:40" (1/1) ... [2024-11-14 22:05:40,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 22:05:40,800 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 22:05:40,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 22:05:40,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 22:05:40,800 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.11 10:05:40" (1/1) ... [2024-11-14 22:05:40,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 22:05:40,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 22:05:40,825 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) [2024-11-14 22:05:40,831 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 [2024-11-14 22:05:40,844 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-11-14 22:05:40,844 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-14 22:05:40,844 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-14 22:05:40,844 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-11-14 22:05:40,844 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-14 22:05:40,844 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-14 22:05:40,844 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-11-14 22:05:40,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 22:05:40,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 22:05:40,845 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 22:05:40,881 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 22:05:40,882 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 22:05:40,929 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 22:05:40,930 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 22:05:40,942 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 22:05:40,942 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 22:05:40,942 INFO L201 PluginConnector]: Adding new model figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 10:05:40 BoogieIcfgContainer [2024-11-14 22:05:40,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 22:05:40,944 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 22:05:40,944 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 22:05:40,947 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 22:05:40,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.11 10:05:40" (1/2) ... [2024-11-14 22:05:40,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66aa4eca and model type figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 10:05:40, skipping insertion in model container [2024-11-14 22:05:40,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 10:05:40" (2/2) ... [2024-11-14 22:05:40,948 INFO L112 eAbstractionObserver]: Analyzing ICFG figure1-alt.wvr.bpl [2024-11-14 22:05:40,957 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 22:05:40,958 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG figure1-alt.wvr.bpl that has 3 procedures, 22 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-14 22:05:40,958 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 22:05:40,979 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-14 22:05:41,027 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 22:05:41,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 22:05:41,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 22:05:41,031 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) [2024-11-14 22:05:41,034 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 [2024-11-14 22:05:41,075 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 22:05:41,082 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-14 22:05:41,089 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;@7c30977a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 22:05:41,089 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-14 22:05:41,139 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 22:05:41,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 22:05:41,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1414557611, now seen corresponding path program 1 times [2024-11-14 22:05:41,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 22:05:41,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495848087] [2024-11-14 22:05:41,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 22:05:41,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 22:05:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 22:05:41,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 22:05:41,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 22:05:41,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495848087] [2024-11-14 22:05:41,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495848087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 22:05:41,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 22:05:41,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-14 22:05:41,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862155534] [2024-11-14 22:05:41,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 22:05:41,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 22:05:41,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 22:05:41,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 22:05:41,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-14 22:05:41,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 22:05:41,455 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 22:05:41,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 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) [2024-11-14 22:05:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 22:05:41,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 22:05:41,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 22:05:41,665 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 22:05:41,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 22:05:41,665 INFO L85 PathProgramCache]: Analyzing trace with hash 646861179, now seen corresponding path program 1 times [2024-11-14 22:05:41,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 22:05:41,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410462416] [2024-11-14 22:05:41,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 22:05:41,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 22:05:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 22:05:41,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 22:05:41,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 22:05:41,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410462416] [2024-11-14 22:05:41,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410462416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 22:05:41,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 22:05:41,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 22:05:41,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536448134] [2024-11-14 22:05:41,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 22:05:41,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 22:05:41,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 22:05:41,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 22:05:41,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-14 22:05:41,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 22:05:41,900 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 22:05:41,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.7) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 22:05:41,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 22:05:41,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 22:05:42,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 22:05:42,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 22:05:42,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 22:05:42,111 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 22:05:42,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 22:05:42,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1140508125, now seen corresponding path program 2 times [2024-11-14 22:05:42,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 22:05:42,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124365632] [2024-11-14 22:05:42,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 22:05:42,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 22:05:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 22:05:42,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 22:05:42,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 22:05:42,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124365632] [2024-11-14 22:05:42,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124365632] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 22:05:42,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044487681] [2024-11-14 22:05:42,286 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 22:05:42,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 22:05:42,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 22:05:42,288 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) [2024-11-14 22:05:42,298 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 [2024-11-14 22:05:42,330 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 22:05:42,330 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 22:05:42,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-14 22:05:42,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 22:05:42,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 22:05:42,534 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 22:05:42,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 22:05:42,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044487681] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 22:05:42,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 22:05:42,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9] total 21 [2024-11-14 22:05:42,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235541054] [2024-11-14 22:05:42,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 22:05:42,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-14 22:05:42,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 22:05:42,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-14 22:05:42,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2024-11-14 22:05:42,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 22:05:42,662 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 22:05:42,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.1363636363636362) internal successors, (47), 21 states have internal predecessors, (47), 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) [2024-11-14 22:05:42,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 22:05:42,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-14 22:05:42,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 22:05:42,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 22:05:42,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 22:05:42,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 22:05:43,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 22:05:43,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 22:05:43,200 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 22:05:43,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 22:05:43,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1146411545, now seen corresponding path program 1 times [2024-11-14 22:05:43,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 22:05:43,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783343754] [2024-11-14 22:05:43,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 22:05:43,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 22:05:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 22:05:43,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 22:05:43,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 22:05:43,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783343754] [2024-11-14 22:05:43,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783343754] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 22:05:43,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915287082] [2024-11-14 22:05:43,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 22:05:43,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 22:05:43,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 22:05:43,340 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) [2024-11-14 22:05:43,341 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 [2024-11-14 22:05:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 22:05:43,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-14 22:05:43,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 22:05:43,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 22:05:43,573 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 22:05:43,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 22:05:43,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915287082] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 22:05:43,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 22:05:43,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 25 [2024-11-14 22:05:43,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281521576] [2024-11-14 22:05:43,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 22:05:43,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-14 22:05:43,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 22:05:43,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-14 22:05:43,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=547, Unknown=0, NotChecked=0, Total=650 [2024-11-14 22:05:43,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 22:05:43,727 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 22:05:43,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.9230769230769231) internal successors, (50), 25 states have internal predecessors, (50), 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) [2024-11-14 22:05:43,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 22:05:43,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-14 22:05:43,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 22:05:43,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 22:05:44,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 22:05:44,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 22:05:44,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-14 22:05:44,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-14 22:05:44,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 22:05:44,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 22:05:44,676 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 22:05:44,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 22:05:44,676 INFO L85 PathProgramCache]: Analyzing trace with hash 721959487, now seen corresponding path program 2 times [2024-11-14 22:05:44,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 22:05:44,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35498583] [2024-11-14 22:05:44,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 22:05:44,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 22:05:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 22:05:44,833 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 22:05:44,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 22:05:44,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35498583] [2024-11-14 22:05:44,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35498583] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 22:05:44,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540393318] [2024-11-14 22:05:44,834 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 22:05:44,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 22:05:44,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 22:05:44,835 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) [2024-11-14 22:05:44,837 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 [2024-11-14 22:05:44,859 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 22:05:44,859 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 22:05:44,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-14 22:05:44,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 22:05:45,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 22:05:45,039 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 22:05:45,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 22:05:45,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540393318] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 22:05:45,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 22:05:45,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 10] total 27 [2024-11-14 22:05:45,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809047193] [2024-11-14 22:05:45,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 22:05:45,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-14 22:05:45,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 22:05:45,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-14 22:05:45,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=643, Unknown=0, NotChecked=0, Total=756 [2024-11-14 22:05:45,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 22:05:45,173 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 22:05:45,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.9642857142857142) internal successors, (55), 27 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) [2024-11-14 22:05:45,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 22:05:45,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-14 22:05:45,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-14 22:05:45,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-14 22:05:45,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 22:05:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 22:05:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 22:05:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-14 22:05:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-14 22:05:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-14 22:05:45,915 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 [2024-11-14 22:05:46,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 22:05:46,108 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 22:05:46,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 22:05:46,108 INFO L85 PathProgramCache]: Analyzing trace with hash 295538081, now seen corresponding path program 3 times [2024-11-14 22:05:46,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 22:05:46,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595822640] [2024-11-14 22:05:46,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 22:05:46,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 22:05:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 22:05:46,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 22:05:46,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 22:05:46,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595822640] [2024-11-14 22:05:46,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595822640] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 22:05:46,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673308519] [2024-11-14 22:05:46,258 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 22:05:46,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 22:05:46,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 22:05:46,260 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) [2024-11-14 22:05:46,261 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 [2024-11-14 22:05:46,284 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-14 22:05:46,284 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 22:05:46,285 WARN L254 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-14 22:05:46,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 22:05:46,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 22:05:46,471 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 22:05:46,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 22:05:46,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673308519] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 22:05:46,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 22:05:46,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 10] total 27 [2024-11-14 22:05:46,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988505074] [2024-11-14 22:05:46,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 22:05:46,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-14 22:05:46,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 22:05:46,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-14 22:05:46,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=654, Unknown=0, NotChecked=0, Total=756 [2024-11-14 22:05:46,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 22:05:46,585 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 22:05:46,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.142857142857143) internal successors, (60), 27 states have internal predecessors, (60), 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) [2024-11-14 22:05:46,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 22:05:46,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-14 22:05:46,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-14 22:05:46,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-14 22:05:46,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-14 22:05:46,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 22:05:48,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 22:05:48,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 22:05:48,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-14 22:05:48,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-14 22:05:48,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-14 22:05:48,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-14 22:05:48,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 22:05:48,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 22:05:48,585 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 22:05:48,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 22:05:48,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1781478755, now seen corresponding path program 4 times [2024-11-14 22:05:48,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 22:05:48,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183791253] [2024-11-14 22:05:48,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 22:05:48,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 22:05:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 22:05:48,838 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 22:05:48,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 22:05:48,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183791253] [2024-11-14 22:05:48,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183791253] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 22:05:48,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394905758] [2024-11-14 22:05:48,839 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 22:05:48,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 22:05:48,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 22:05:48,841 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) [2024-11-14 22:05:48,842 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 [2024-11-14 22:05:48,876 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 22:05:48,876 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 22:05:48,877 WARN L254 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-14 22:05:48,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 22:05:49,155 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 22:05:49,155 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 22:05:49,303 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 22:05:49,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394905758] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 22:05:49,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 22:05:49,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16, 10] total 33 [2024-11-14 22:05:49,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904325190] [2024-11-14 22:05:49,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 22:05:49,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-14 22:05:49,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 22:05:49,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-14 22:05:49,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=996, Unknown=0, NotChecked=0, Total=1122 [2024-11-14 22:05:49,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 22:05:49,305 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 22:05:49,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.1176470588235294) internal successors, (72), 33 states have internal predecessors, (72), 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) [2024-11-14 22:05:49,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 22:05:49,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-14 22:05:49,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-14 22:05:49,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-11-14 22:05:49,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-14 22:05:49,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-14 22:05:49,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 22:05:51,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 22:05:51,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 22:05:51,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-14 22:05:51,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-14 22:05:51,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-14 22:05:51,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-11-14 22:05:51,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-11-14 22:05:51,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2024-11-14 22:05:51,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-14 22:05:51,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-14 22:05:51,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-14 22:05:51,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 22:05:51,891 INFO L422 BasicCegarLoop]: Path program histogram: [4, 2, 1] [2024-11-14 22:05:51,892 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 22:05:51,892 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 22:05:51,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-11-14 22:05:51,907 INFO L201 PluginConnector]: Adding new model figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 10:05:51 BasicIcfg [2024-11-14 22:05:51,907 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 22:05:51,908 INFO L158 Benchmark]: Toolchain (without parser) took 11134.80ms. Allocated memory was 100.7MB in the beginning and 209.7MB in the end (delta: 109.1MB). Free memory was 51.8MB in the beginning and 104.4MB in the end (delta: -52.6MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. [2024-11-14 22:05:51,908 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 100.7MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 22:05:51,908 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.94ms. Allocated memory is still 100.7MB. Free memory was 51.7MB in the beginning and 50.5MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-14 22:05:51,908 INFO L158 Benchmark]: Boogie Preprocessor took 7.84ms. Allocated memory is still 100.7MB. Free memory was 50.5MB in the beginning and 49.9MB in the end (delta: 562.0kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 22:05:51,909 INFO L158 Benchmark]: RCFGBuilder took 142.69ms. Allocated memory is still 100.7MB. Free memory was 49.9MB in the beginning and 39.4MB in the end (delta: 10.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-14 22:05:51,909 INFO L158 Benchmark]: TraceAbstraction took 10963.40ms. Allocated memory was 100.7MB in the beginning and 209.7MB in the end (delta: 109.1MB). Free memory was 38.8MB in the beginning and 104.4MB in the end (delta: -65.6MB). Peak memory consumption was 48.3MB. Max. memory is 8.0GB. [2024-11-14 22:05:51,909 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 0.13ms. Allocated memory is still 100.7MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 17.94ms. Allocated memory is still 100.7MB. Free memory was 51.7MB in the beginning and 50.5MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 7.84ms. Allocated memory is still 100.7MB. Free memory was 50.5MB in the beginning and 49.9MB in the end (delta: 562.0kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 142.69ms. Allocated memory is still 100.7MB. Free memory was 49.9MB in the beginning and 39.4MB in the end (delta: 10.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * TraceAbstraction took 10963.40ms. Allocated memory was 100.7MB in the beginning and 209.7MB in the end (delta: 109.1MB). Free memory was 38.8MB in the beginning and 104.4MB in the end (delta: -65.6MB). Peak memory consumption was 48.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 718, independent: 486, independent conditional: 360, independent unconditional: 126, dependent: 232, dependent conditional: 231, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 493, independent: 486, independent conditional: 360, independent unconditional: 126, dependent: 7, dependent conditional: 6, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 493, independent: 486, independent conditional: 360, independent unconditional: 126, dependent: 7, dependent conditional: 6, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 528, independent: 486, independent conditional: 360, independent unconditional: 126, dependent: 42, dependent conditional: 41, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 528, independent: 486, independent conditional: 4, independent unconditional: 482, dependent: 42, dependent conditional: 31, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 528, independent: 486, independent conditional: 4, independent unconditional: 482, dependent: 42, dependent conditional: 31, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 137, independent: 119, independent conditional: 4, independent unconditional: 115, dependent: 18, dependent conditional: 17, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 137, independent: 113, independent conditional: 0, independent unconditional: 113, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 18, dependent conditional: 17, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 18, dependent conditional: 17, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 239, independent: 103, independent conditional: 50, independent unconditional: 54, dependent: 135, dependent conditional: 125, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 528, independent: 367, independent conditional: 0, independent unconditional: 367, dependent: 24, dependent conditional: 14, dependent unconditional: 10, unknown: 137, unknown conditional: 21, unknown unconditional: 116] , Statistics on independence cache: Total cache size (in pairs): 137, Positive cache size: 119, Positive conditional cache size: 4, Positive unconditional cache size: 115, Negative cache size: 18, Negative conditional cache size: 17, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 366, Maximal queried relation: 6, Independence queries for same thread: 225, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 32, Number of trivial persistent sets: 25, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 127, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 718, independent: 486, independent conditional: 360, independent unconditional: 126, dependent: 232, dependent conditional: 231, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 493, independent: 486, independent conditional: 360, independent unconditional: 126, dependent: 7, dependent conditional: 6, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 493, independent: 486, independent conditional: 360, independent unconditional: 126, dependent: 7, dependent conditional: 6, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 528, independent: 486, independent conditional: 360, independent unconditional: 126, dependent: 42, dependent conditional: 41, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 528, independent: 486, independent conditional: 4, independent unconditional: 482, dependent: 42, dependent conditional: 31, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 528, independent: 486, independent conditional: 4, independent unconditional: 482, dependent: 42, dependent conditional: 31, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 137, independent: 119, independent conditional: 4, independent unconditional: 115, dependent: 18, dependent conditional: 17, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 137, independent: 113, independent conditional: 0, independent unconditional: 113, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 18, dependent conditional: 17, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 18, dependent conditional: 17, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 239, independent: 103, independent conditional: 50, independent unconditional: 54, dependent: 135, dependent conditional: 125, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 528, independent: 367, independent conditional: 0, independent unconditional: 367, dependent: 24, dependent conditional: 14, dependent unconditional: 10, unknown: 137, unknown conditional: 21, unknown unconditional: 116] , Statistics on independence cache: Total cache size (in pairs): 137, Positive cache size: 119, Positive conditional cache size: 4, Positive unconditional cache size: 115, Negative cache size: 18, Negative conditional cache size: 17, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 366, Maximal queried relation: 6, Independence queries for same thread: 225 - PositiveResult [Line: 51]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 32 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 10.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 6.5s, 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: 302, 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, 0.1s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 354 ConstructedInterpolants, 0 QuantifiedInterpolants, 3107 SizeOfPredicates, 30 NumberOfNonLiveVariables, 242 ConjunctsInSsa, 121 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 24/84 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: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-14 22:05:51,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...