/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 false --traceabstraction.commutativity.condition.synthesis NONE -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/mts-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-22 17:15:42,102 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-22 17:15:42,144 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 17:15:42,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-22 17:15:42,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-22 17:15:42,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-22 17:15:42,161 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-22 17:15:42,161 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-22 17:15:42,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-22 17:15:42,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-22 17:15:42,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-22 17:15:42,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-22 17:15:42,161 INFO L153 SettingsManager]: * Use SBE=true [2025-01-22 17:15:42,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-22 17:15:42,161 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-22 17:15:42,161 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-22 17:15:42,162 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-22 17:15:42,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-22 17:15:42,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-22 17:15:42,162 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-22 17:15:42,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-22 17:15:42,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-22 17:15:42,162 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-22 17:15:42,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-22 17:15:42,162 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-22 17:15:42,162 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-22 17:15:42,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-22 17:15:42,162 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-22 17:15:42,162 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-22 17:15:42,162 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-22 17:15:42,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 17:15:42,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-22 17:15:42,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-22 17:15:42,163 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-22 17:15:42,163 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-22 17:15:42,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-22 17:15:42,163 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-22 17:15:42,163 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-22 17:15:42,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-22 17:15:42,163 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-22 17:15:42,163 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-22 17:15:42,163 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-22 17:15:42,163 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-22 17:15:42,163 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 -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2025-01-22 17:15:42,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-22 17:15:42,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-22 17:15:42,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-22 17:15:42,424 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-22 17:15:42,425 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-22 17:15:42,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl [2025-01-22 17:15:42,426 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl' [2025-01-22 17:15:42,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-22 17:15:42,439 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-22 17:15:42,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-22 17:15:42,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-22 17:15:42,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-22 17:15:42,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:15:42" (1/1) ... [2025-01-22 17:15:42,450 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:15:42" (1/1) ... [2025-01-22 17:15:42,454 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-22 17:15:42,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-22 17:15:42,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-22 17:15:42,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-22 17:15:42,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-22 17:15:42,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:15:42" (1/1) ... [2025-01-22 17:15:42,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:15:42" (1/1) ... [2025-01-22 17:15:42,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:15:42" (1/1) ... [2025-01-22 17:15:42,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:15:42" (1/1) ... [2025-01-22 17:15:42,461 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:15:42" (1/1) ... [2025-01-22 17:15:42,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:15:42" (1/1) ... [2025-01-22 17:15:42,463 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:15:42" (1/1) ... [2025-01-22 17:15:42,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:15:42" (1/1) ... [2025-01-22 17:15:42,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:15:42" (1/1) ... [2025-01-22 17:15:42,464 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-22 17:15:42,465 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-22 17:15:42,465 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-22 17:15:42,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-22 17:15:42,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:15:42" (1/1) ... [2025-01-22 17:15:42,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 17:15:42,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 17:15:42,488 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 17:15:42,490 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 17:15:42,508 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-22 17:15:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-22 17:15:42,508 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-22 17:15:42,508 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-22 17:15:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-22 17:15:42,509 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-22 17:15:42,509 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-22 17:15:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-22 17:15:42,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-22 17:15:42,509 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-01-22 17:15:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-22 17:15:42,509 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-22 17:15:42,509 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 17:15:42,542 INFO L234 CfgBuilder]: Building ICFG [2025-01-22 17:15:42,543 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-22 17:15:42,623 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-22 17:15:42,623 INFO L283 CfgBuilder]: Performing block encoding [2025-01-22 17:15:42,665 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-22 17:15:42,665 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-22 17:15:42,665 INFO L201 PluginConnector]: Adding new model mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 05:15:42 BoogieIcfgContainer [2025-01-22 17:15:42,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-22 17:15:42,669 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-22 17:15:42,669 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-22 17:15:42,674 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-22 17:15:42,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 05:15:42" (1/2) ... [2025-01-22 17:15:42,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8b87cb and model type mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.01 05:15:42, skipping insertion in model container [2025-01-22 17:15:42,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 05:15:42" (2/2) ... [2025-01-22 17:15:42,676 INFO L128 eAbstractionObserver]: Analyzing ICFG mts-array.wvr.bpl [2025-01-22 17:15:42,686 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-22 17:15:42,688 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mts-array.wvr.bpl that has 4 procedures, 20 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2025-01-22 17:15:42,688 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-22 17:15:42,722 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-22 17:15:42,753 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 17:15:42,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-22 17:15:42,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 17:15:42,755 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 17:15:42,760 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 17:15:42,811 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-22 17:15:42,821 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-22 17:15:42,829 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;@74bcfb30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 17:15:42,829 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-22 17:15:42,941 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 17:15:42,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 17:15:42,944 INFO L85 PathProgramCache]: Analyzing trace with hash -104734425, now seen corresponding path program 1 times [2025-01-22 17:15:42,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 17:15:42,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520127617] [2025-01-22 17:15:42,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 17:15:42,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 17:15:43,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-22 17:15:43,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-22 17:15:43,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 17:15:43,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 17:15:43,164 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 17:15:43,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 17:15:43,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520127617] [2025-01-22 17:15:43,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520127617] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 17:15:43,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 17:15:43,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-22 17:15:43,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096698706] [2025-01-22 17:15:43,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 17:15:43,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 17:15:43,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 17:15:43,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-22 17:15:43,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-22 17:15:43,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 17:15:43,187 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 17:15:43,187 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 17:15:43,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 17:15:43,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 17:15:43,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-22 17:15:43,245 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 17:15:43,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 17:15:43,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1347337261, now seen corresponding path program 1 times [2025-01-22 17:15:43,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 17:15:43,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542118034] [2025-01-22 17:15:43,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 17:15:43,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 17:15:43,251 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-22 17:15:43,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-22 17:15:43,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 17:15:43,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 17:15:46,166 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 17:15:46,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 17:15:46,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542118034] [2025-01-22 17:15:46,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542118034] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 17:15:46,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868936794] [2025-01-22 17:15:46,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 17:15:46,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 17:15:46,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 17:15:46,169 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 17:15:46,170 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 17:15:46,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-22 17:15:46,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-22 17:15:46,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 17:15:46,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 17:15:46,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-01-22 17:15:46,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 17:15:47,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:15:47,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-22 17:15:47,280 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 17:15:47,281 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 201 treesize of output 151 [2025-01-22 17:15:47,677 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 17:15:47,677 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 17:15:52,595 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 17:15:52,595 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 1725 treesize of output 1063 [2025-01-22 17:16:57,831 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 17:16:57,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868936794] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 17:16:57,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 17:16:57,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 27 [2025-01-22 17:16:57,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228306444] [2025-01-22 17:16:57,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 17:16:57,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-01-22 17:16:57,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 17:16:57,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-01-22 17:16:57,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=644, Unknown=0, NotChecked=0, Total=756 [2025-01-22 17:16:57,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 17:16:57,834 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 17:16:57,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.3214285714285716) internal successors, (65), 27 states have internal predecessors, (65), 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 17:16:57,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 17:16:57,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 17:17:01,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 17:17:01,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-22 17:17:01,657 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 17:17:01,851 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 17:17:01,852 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 17:17:01,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 17:17:01,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1623985417, now seen corresponding path program 2 times [2025-01-22 17:17:01,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 17:17:01,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887802819] [2025-01-22 17:17:01,852 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 17:17:01,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 17:17:01,861 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-01-22 17:17:01,876 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-01-22 17:17:01,876 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 17:17:01,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 17:17:02,024 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 17:17:02,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 17:17:02,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887802819] [2025-01-22 17:17:02,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887802819] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 17:17:02,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109466346] [2025-01-22 17:17:02,025 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 17:17:02,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 17:17:02,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 17:17:02,028 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 17:17:02,029 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 17:17:02,051 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-01-22 17:17:02,062 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-01-22 17:17:02,062 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 17:17:02,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 17:17:02,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-22 17:17:02,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 17:17:02,265 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 17:17:02,265 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 17:17:02,438 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 17:17:02,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109466346] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 17:17:02,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 17:17:02,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 12] total 28 [2025-01-22 17:17:02,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666783832] [2025-01-22 17:17:02,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 17:17:02,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-01-22 17:17:02,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 17:17:02,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-01-22 17:17:02,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=613, Unknown=0, NotChecked=0, Total=812 [2025-01-22 17:17:02,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 17:17:02,440 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 17:17:02,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.8275862068965516) internal successors, (82), 28 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 17:17:02,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 17:17:02,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-22 17:17:02,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 17:17:02,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 17:17:02,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-22 17:17:02,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-22 17:17:02,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-22 17:17:03,103 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 17:17:03,103 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 17:17:03,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 17:17:03,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1834614275, now seen corresponding path program 3 times [2025-01-22 17:17:03,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 17:17:03,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173196458] [2025-01-22 17:17:03,104 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 17:17:03,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 17:17:03,108 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 40 statements into 4 equivalence classes. [2025-01-22 17:17:03,232 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 40 of 40 statements. [2025-01-22 17:17:03,232 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-22 17:17:03,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2025-01-22 17:30:22,699 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2025-01-22 17:30:22,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-22 17:30:22,699 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 ∧-2-3-4-3-2-2-2-7-13-4-7-7-11-6-8-6-8-6-8-6-8-6-8-5-8-5-8-5-8-5-8-5-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-7-4-7-4-7-4-7-3-7-3-7-3-7-3-4-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-73-6-10-7-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-7-8-7-8-7-8-7-8-7-8-7-8-7-8-4-8-4-8-4-7-4-7-4-7-4-7-3-7-3-7-3-7-3-4-2-4-1 context. [2025-01-22 17:30:22,700 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-01-22 17:30:22,700 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-01-22 17:30:22,700 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-01-22 17:30:22,704 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1] [2025-01-22 17:30:22,706 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-22 17:30:22,706 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-22 17:30:22,713 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 17:30:22,714 INFO L201 PluginConnector]: Adding new model mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.01 05:30:22 BasicIcfg [2025-01-22 17:30:22,714 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-22 17:30:22,715 INFO L158 Benchmark]: Toolchain (without parser) took 880275.58ms. Allocated memory was 117.4MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 81.3MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.1GB. Max. memory is 16.0GB. [2025-01-22 17:30:22,715 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 17:30:22,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 14.96ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 17:30:22,716 INFO L158 Benchmark]: Boogie Preprocessor took 9.27ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.3MB in the end (delta: 699.9kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 17:30:22,716 INFO L158 Benchmark]: RCFGBuilder took 200.74ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 68.5MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-01-22 17:30:22,716 INFO L158 Benchmark]: TraceAbstraction took 880045.36ms. Allocated memory was 117.4MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 67.9MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.1GB. Max. memory is 16.0GB. [2025-01-22 17:30:22,717 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 14.96ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 9.27ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.3MB in the end (delta: 699.9kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 200.74ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 68.5MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 880045.36ms. Allocated memory was 117.4MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 67.9MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.1GB. 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: 1075, independent: 896, independent conditional: 658, independent unconditional: 238, dependent: 179, dependent conditional: 179, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 896, independent: 896, independent conditional: 0, independent unconditional: 896, 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: 221, independent: 221, independent conditional: 0, independent unconditional: 221, 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: 221, independent: 219, independent conditional: 0, independent unconditional: 219, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, independent: 49, independent conditional: 0, independent unconditional: 49, 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: 896, independent: 675, independent conditional: 0, independent unconditional: 675, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 221, unknown conditional: 0, unknown unconditional: 221] , Statistics on independence cache: Total cache size (in pairs): 221, Positive cache size: 221, Positive conditional cache size: 0, Positive unconditional cache size: 221, 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, Independence queries for same thread: 179, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 21, Number of trivial persistent sets: 11, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1075, independent: 896, independent conditional: 658, independent unconditional: 238, dependent: 179, dependent conditional: 179, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 896, independent: 896, independent conditional: 0, independent unconditional: 896, 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: 221, independent: 221, independent conditional: 0, independent unconditional: 221, 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: 221, independent: 219, independent conditional: 0, independent unconditional: 219, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, independent: 49, independent conditional: 0, independent unconditional: 49, 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: 896, independent: 675, independent conditional: 0, independent unconditional: 675, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 221, unknown conditional: 0, unknown unconditional: 221] , Statistics on independence cache: Total cache size (in pairs): 221, Positive cache size: 221, Positive conditional cache size: 0, Positive unconditional cache size: 221, 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, Independence queries for same thread: 179 - TimeoutResultAtElement [Line: 68]: 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 ∧-2-3-4-3-2-2-2-7-13-4-7-7-11-6-8-6-8-6-8-6-8-6-8-5-8-5-8-5-8-5-8-5-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-7-4-7-4-7-4-7-3-7-3-7-3-7-3-4-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-73-6-10-7-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-7-8-7-8-7-8-7-8-7-8-7-8-7-8-4-8-4-8-4-7-4-7-4-7-4-7-3-7-3-7-3-7-3-4-2-4-1 context. - TimeoutResultAtElement [Line: 61]: 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 ∧-2-3-4-3-2-2-2-7-13-4-7-7-11-6-8-6-8-6-8-6-8-6-8-5-8-5-8-5-8-5-8-5-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-7-4-7-4-7-4-7-3-7-3-7-3-7-3-4-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-73-6-10-7-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-7-8-7-8-7-8-7-8-7-8-7-8-7-8-4-8-4-8-4-7-4-7-4-7-4-7-3-7-3-7-3-7-3-4-2-4-1 context. - TimeoutResultAtElement [Line: 61]: 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 ∧-2-3-4-3-2-2-2-7-13-4-7-7-11-6-8-6-8-6-8-6-8-6-8-5-8-5-8-5-8-5-8-5-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-7-4-7-4-7-4-7-3-7-3-7-3-7-3-4-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-73-6-10-7-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-7-8-7-8-7-8-7-8-7-8-7-8-7-8-4-8-4-8-4-7-4-7-4-7-4-7-3-7-3-7-3-7-3-4-2-4-1 context. - TimeoutResultAtElement [Line: 62]: 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 ∧-2-3-4-3-2-2-2-7-13-4-7-7-11-6-8-6-8-6-8-6-8-6-8-5-8-5-8-5-8-5-8-5-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-8-4-7-4-7-4-7-4-7-3-7-3-7-3-7-3-4-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-73-6-10-7-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-7-8-7-8-7-8-7-8-7-8-7-8-7-8-4-8-4-8-4-7-4-7-4-7-4-7-3-7-3-7-3-7-3-4-2-4-1 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: 879.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 4.4s, 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, 75.1s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 9922 SizeOfPredicates, 12 NumberOfNonLiveVariables, 185 ConjunctsInSsa, 53 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: No data available [2025-01-22 17:30:22,723 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown