/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 -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-16 23:37:05,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-16 23:37:05,448 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 [2024-12-16 23:37:05,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-16 23:37:05,451 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-16 23:37:05,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-16 23:37:05,471 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-16 23:37:05,471 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-16 23:37:05,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-16 23:37:05,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-16 23:37:05,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-16 23:37:05,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-16 23:37:05,472 INFO L153 SettingsManager]: * Use SBE=true [2024-12-16 23:37:05,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-16 23:37:05,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-16 23:37:05,473 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-16 23:37:05,473 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-16 23:37:05,473 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-16 23:37:05,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-16 23:37:05,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-16 23:37:05,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-16 23:37:05,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-16 23:37:05,473 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-16 23:37:05,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-16 23:37:05,473 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-16 23:37:05,473 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-16 23:37:05,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-16 23:37:05,473 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-16 23:37:05,473 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-16 23:37:05,474 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-16 23:37:05,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-16 23:37:05,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-16 23:37:05,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-16 23:37:05,474 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-16 23:37:05,474 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-16 23:37:05,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-16 23:37:05,474 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-16 23:37:05,474 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-16 23:37:05,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-16 23:37:05,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-16 23:37:05,474 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-16 23:37:05,474 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-16 23:37:05,474 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-16 23:37:05,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2024-12-16 23:37:05,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-16 23:37:05,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-16 23:37:05,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-16 23:37:05,682 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-12-16 23:37:05,684 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-12-16 23:37:05,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl [2024-12-16 23:37:05,685 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl' [2024-12-16 23:37:05,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-16 23:37:05,706 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-12-16 23:37:05,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-16 23:37:05,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-16 23:37:05,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-16 23:37:05,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:37:05" (1/1) ... [2024-12-16 23:37:05,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:37:05" (1/1) ... [2024-12-16 23:37:05,725 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-12-16 23:37:05,726 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-16 23:37:05,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-16 23:37:05,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-16 23:37:05,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-16 23:37:05,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:37:05" (1/1) ... [2024-12-16 23:37:05,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:37:05" (1/1) ... [2024-12-16 23:37:05,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:37:05" (1/1) ... [2024-12-16 23:37:05,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:37:05" (1/1) ... [2024-12-16 23:37:05,734 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:37:05" (1/1) ... [2024-12-16 23:37:05,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:37:05" (1/1) ... [2024-12-16 23:37:05,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:37:05" (1/1) ... [2024-12-16 23:37:05,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:37:05" (1/1) ... [2024-12-16 23:37:05,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:37:05" (1/1) ... [2024-12-16 23:37:05,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-16 23:37:05,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-16 23:37:05,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-16 23:37:05,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-16 23:37:05,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:37:05" (1/1) ... [2024-12-16 23:37:05,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-16 23:37:05,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:37:05,768 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) [2024-12-16 23:37:05,771 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 [2024-12-16 23:37:05,789 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-12-16 23:37:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-16 23:37:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-16 23:37:05,789 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-12-16 23:37:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-16 23:37:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-16 23:37:05,789 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-12-16 23:37:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-16 23:37:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-16 23:37:05,789 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-12-16 23:37:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-16 23:37:05,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-16 23:37:05,791 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-16 23:37:05,823 INFO L234 CfgBuilder]: Building ICFG [2024-12-16 23:37:05,825 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-16 23:37:05,906 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-16 23:37:05,906 INFO L283 CfgBuilder]: Performing block encoding [2024-12-16 23:37:05,935 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-16 23:37:05,935 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-16 23:37:05,935 INFO L201 PluginConnector]: Adding new model min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:37:05 BoogieIcfgContainer [2024-12-16 23:37:05,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-16 23:37:05,939 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-16 23:37:05,939 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-16 23:37:05,942 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-16 23:37:05,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:37:05" (1/2) ... [2024-12-16 23:37:05,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e99fed9 and model type min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:37:05, skipping insertion in model container [2024-12-16 23:37:05,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:37:05" (2/2) ... [2024-12-16 23:37:05,944 INFO L128 eAbstractionObserver]: Analyzing ICFG min-fun-alt.wvr.bpl [2024-12-16 23:37:05,954 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-16 23:37:05,957 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG min-fun-alt.wvr.bpl that has 4 procedures, 20 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-12-16 23:37:05,957 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-16 23:37:05,998 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-12-16 23:37:06,044 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-16 23:37:06,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-16 23:37:06,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:37:06,047 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) [2024-12-16 23:37:06,049 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 [2024-12-16 23:37:06,099 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-16 23:37:06,114 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-16 23:37:06,118 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;@4b44a96a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-16 23:37:06,118 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-16 23:37:06,420 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)] === [2024-12-16 23:37:06,421 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:37:06,421 INFO L139 ounterexampleChecker]: Examining path program with hash 464764640, occurence #1 [2024-12-16 23:37:06,421 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 23:37:06,422 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:37:06,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:37:06,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1490265330, now seen corresponding path program 1 times [2024-12-16 23:37:06,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:37:06,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518329856] [2024-12-16 23:37:06,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 23:37:06,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:37:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 23:37:06,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:37:06,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:37:06,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518329856] [2024-12-16 23:37:06,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518329856] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-16 23:37:06,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-16 23:37:06,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-16 23:37:06,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119029974] [2024-12-16 23:37:06,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-16 23:37:06,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-16 23:37:06,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:37:06,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-16 23:37:06,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-16 23:37:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:37:06,635 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:37:06,636 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) [2024-12-16 23:37:06,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:37:06,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:37:06,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-16 23:37:06,682 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)] === [2024-12-16 23:37:06,682 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:37:06,682 INFO L139 ounterexampleChecker]: Examining path program with hash -1504241846, occurence #1 [2024-12-16 23:37:06,682 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 23:37:06,682 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:37:06,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:37:06,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1906162644, now seen corresponding path program 1 times [2024-12-16 23:37:06,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:37:06,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972754921] [2024-12-16 23:37:06,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 23:37:06,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:37:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 23:37:08,101 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:37:08,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:37:08,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972754921] [2024-12-16 23:37:08,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972754921] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 23:37:08,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661904064] [2024-12-16 23:37:08,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 23:37:08,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:37:08,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:37:08,105 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) [2024-12-16 23:37:08,107 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 [2024-12-16 23:37:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 23:37:08,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-16 23:37:08,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 23:37:09,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:37:09,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:37:09,331 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:37:09,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 255 treesize of output 183 [2024-12-16 23:37:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:37:09,698 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 23:37:12,294 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:37:12,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 1131 treesize of output 609 [2024-12-16 23:37:25,909 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:37:25,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661904064] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 23:37:25,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 23:37:25,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 24 [2024-12-16 23:37:25,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628024011] [2024-12-16 23:37:25,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 23:37:25,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-16 23:37:25,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:37:25,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-16 23:37:25,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2024-12-16 23:37:25,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:37:25,912 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:37:25,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 24 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 23:37:25,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:37:25,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:37:27,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:37:27,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-16 23:37:27,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-16 23:37:28,191 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 [2024-12-16 23:37:28,192 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)] === [2024-12-16 23:37:28,192 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:37:28,192 INFO L139 ounterexampleChecker]: Examining path program with hash 264260834, occurence #1 [2024-12-16 23:37:28,192 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 23:37:28,192 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:37:28,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:37:28,193 INFO L85 PathProgramCache]: Analyzing trace with hash -640358690, now seen corresponding path program 2 times [2024-12-16 23:37:28,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:37:28,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198067362] [2024-12-16 23:37:28,193 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 23:37:28,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:37:28,202 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 23:37:28,202 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:37:28,319 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:37:28,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:37:28,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198067362] [2024-12-16 23:37:28,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198067362] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 23:37:28,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501841969] [2024-12-16 23:37:28,320 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 23:37:28,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:37:28,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:37:28,325 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) [2024-12-16 23:37:28,326 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 [2024-12-16 23:37:28,357 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 23:37:28,357 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:37:28,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-16 23:37:28,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 23:37:28,471 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:37:28,471 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 23:37:28,606 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:37:28,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501841969] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 23:37:28,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 23:37:28,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 12] total 27 [2024-12-16 23:37:28,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204439576] [2024-12-16 23:37:28,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 23:37:28,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-16 23:37:28,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:37:28,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-16 23:37:28,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2024-12-16 23:37:28,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:37:28,608 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:37:28,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.9285714285714284) internal successors, (82), 27 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 23:37:28,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:37:28,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-16 23:37:28,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:37:29,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:37:29,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-16 23:37:29,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-12-16 23:37:29,035 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 [2024-12-16 23:37:29,225 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 [2024-12-16 23:37:29,225 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)] === [2024-12-16 23:37:29,225 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:37:29,225 INFO L139 ounterexampleChecker]: Examining path program with hash 264260834, occurence #2 [2024-12-16 23:37:29,226 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 23:37:29,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-16 23:37:29,226 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:37:29,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-16 23:37:29,226 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:37:29,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-16 23:37:29,227 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 23:37:29,227 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 23:37:29,227 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:37:29,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:37:29,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1192756316, now seen corresponding path program 3 times [2024-12-16 23:37:29,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:37:29,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640314285] [2024-12-16 23:37:29,227 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 23:37:29,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:37:29,390 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-16 23:37:29,390 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat Received shutdown request... [2024-12-16 23:51:41,183 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2024-12-16 23:51:41,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-16 23:51:41,184 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 ∧-3-4-3-4-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-5-6-4-2-4-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ∧-43-12-12-8-12-11-12-10-12-8-12-8-12-8-12-8-12-7-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-5-6-4-3-4-2-3-1 context. [2024-12-16 23:51:41,185 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-12-16 23:51:41,185 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-12-16 23:51:41,185 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-12-16 23:51:41,188 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1] [2024-12-16 23:51:41,190 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-16 23:51:41,190 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-16 23:51:41,201 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-12-16 23:51:41,203 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-12-16 23:51:41,203 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 [2024-12-16 23:51:41,203 INFO L201 PluginConnector]: Adding new model min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 11:51:41 BasicIcfg [2024-12-16 23:51:41,204 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-16 23:51:41,204 INFO L158 Benchmark]: Toolchain (without parser) took 875498.55ms. Allocated memory was 201.3MB in the beginning and 1.1GB in the end (delta: 889.2MB). Free memory was 125.8MB in the beginning and 715.7MB in the end (delta: -589.9MB). Peak memory consumption was 607.5MB. Max. memory is 16.0GB. [2024-12-16 23:51:41,204 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 23:51:41,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.91ms. Allocated memory is still 201.3MB. Free memory was 125.8MB in the beginning and 124.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 23:51:41,205 INFO L158 Benchmark]: Boogie Preprocessor took 11.09ms. Allocated memory is still 201.3MB. Free memory was 124.6MB in the beginning and 123.9MB in the end (delta: 634.1kB). There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 23:51:41,205 INFO L158 Benchmark]: RCFGBuilder took 196.42ms. Allocated memory is still 201.3MB. Free memory was 123.9MB in the beginning and 113.1MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2024-12-16 23:51:41,205 INFO L158 Benchmark]: TraceAbstraction took 875264.48ms. Allocated memory was 201.3MB in the beginning and 1.1GB in the end (delta: 889.2MB). Free memory was 112.5MB in the beginning and 715.7MB in the end (delta: -603.2MB). Peak memory consumption was 599.2MB. Max. memory is 16.0GB. [2024-12-16 23:51:41,206 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 19.91ms. Allocated memory is still 201.3MB. Free memory was 125.8MB in the beginning and 124.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 11.09ms. Allocated memory is still 201.3MB. Free memory was 124.6MB in the beginning and 123.9MB in the end (delta: 634.1kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 196.42ms. Allocated memory is still 201.3MB. Free memory was 123.9MB in the beginning and 113.1MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 875264.48ms. Allocated memory was 201.3MB in the beginning and 1.1GB in the end (delta: 889.2MB). Free memory was 112.5MB in the beginning and 715.7MB in the end (delta: -603.2MB). Peak memory consumption was 599.2MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1068, independent: 889, independent conditional: 651, independent unconditional: 238, dependent: 179, dependent conditional: 179, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 889, independent: 889, independent conditional: 651, independent unconditional: 238, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 889, independent: 889, independent conditional: 651, independent unconditional: 238, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 889, independent: 889, independent conditional: 651, independent unconditional: 238, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 889, independent: 889, independent conditional: 0, independent unconditional: 889, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 889, independent: 889, independent conditional: 0, independent unconditional: 889, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 222, independent: 222, independent conditional: 0, independent unconditional: 222, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 222, independent: 218, independent conditional: 0, independent unconditional: 218, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 258, independent: 258, independent conditional: 0, independent unconditional: 258, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 889, independent: 667, independent conditional: 0, independent unconditional: 667, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 222, unknown conditional: 0, unknown unconditional: 222] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 222, Positive conditional cache size: 0, Positive unconditional cache size: 222, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 651, Maximal queried relation: 0, Independence queries for same thread: 179, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 21, Number of trivial persistent sets: 11, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 238, independent: 238, independent conditional: 0, independent unconditional: 238, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1068, independent: 889, independent conditional: 651, independent unconditional: 238, dependent: 179, dependent conditional: 179, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 889, independent: 889, independent conditional: 651, independent unconditional: 238, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 889, independent: 889, independent conditional: 651, independent unconditional: 238, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 889, independent: 889, independent conditional: 651, independent unconditional: 238, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 889, independent: 889, independent conditional: 0, independent unconditional: 889, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 889, independent: 889, independent conditional: 0, independent unconditional: 889, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 222, independent: 222, independent conditional: 0, independent unconditional: 222, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 222, independent: 218, independent conditional: 0, independent unconditional: 218, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 258, independent: 258, independent conditional: 0, independent unconditional: 258, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 889, independent: 667, independent conditional: 0, independent unconditional: 667, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 222, unknown conditional: 0, unknown unconditional: 222] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 222, Positive conditional cache size: 0, Positive unconditional cache size: 222, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 651, Maximal queried relation: 0, Independence queries for same thread: 179 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-4-3-4-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-5-6-4-2-4-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ∧-43-12-12-8-12-11-12-10-12-8-12-8-12-8-12-8-12-7-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-5-6-4-3-4-2-3-1 context. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-4-3-4-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-5-6-4-2-4-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ∧-43-12-12-8-12-11-12-10-12-8-12-8-12-8-12-8-12-7-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-5-6-4-3-4-2-3-1 context. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-4-3-4-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-5-6-4-2-4-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ∧-43-12-12-8-12-11-12-10-12-8-12-8-12-8-12-8-12-7-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-5-6-4-3-4-2-3-1 context. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-4-3-4-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-5-6-4-2-4-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ∧-43-12-12-8-12-11-12-10-12-8-12-8-12-8-12-8-12-7-12-6-12-6-12-6-12-6-12-6-12-6-12-6-12-5-6-4-3-4-2-3-1 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: 875.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 2.8s, 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, 0.1s SatisfiabilityAnalysisTime, 19.6s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 6724 SizeOfPredicates, 8 NumberOfNonLiveVariables, 171 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 12/75 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 2, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown