/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 NONE -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-16 21:54:22,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-16 21:54:22,354 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 21:54:22,358 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-16 21:54:22,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-16 21:54:22,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-16 21:54:22,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-16 21:54:22,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-16 21:54:22,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-16 21:54:22,377 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-16 21:54:22,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-16 21:54:22,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-16 21:54:22,377 INFO L153 SettingsManager]: * Use SBE=true [2024-12-16 21:54:22,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-16 21:54:22,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-16 21:54:22,378 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-16 21:54:22,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-16 21:54:22,378 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-16 21:54:22,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-16 21:54:22,378 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-16 21:54:22,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-16 21:54:22,378 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-16 21:54:22,378 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-16 21:54:22,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-16 21:54:22,378 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-16 21:54:22,378 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-16 21:54:22,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-16 21:54:22,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-16 21:54:22,379 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-16 21:54:22,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-16 21:54:22,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-16 21:54:22,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-16 21:54:22,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-16 21:54:22,379 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-16 21:54:22,379 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-16 21:54:22,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-16 21:54:22,379 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-16 21:54:22,379 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-16 21:54:22,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-16 21:54:22,380 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-16 21:54:22,380 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-16 21:54:22,380 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-16 21:54:22,380 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-16 21:54:22,380 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2024-12-16 21:54:22,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-16 21:54:22,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-16 21:54:22,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-16 21:54:22,638 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-12-16 21:54:22,640 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-12-16 21:54:22,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl [2024-12-16 21:54:22,641 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl' [2024-12-16 21:54:22,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-16 21:54:22,666 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-12-16 21:54:22,667 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-16 21:54:22,667 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-16 21:54:22,667 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-16 21:54:22,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:54:22" (1/1) ... [2024-12-16 21:54:22,683 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:54:22" (1/1) ... [2024-12-16 21:54:22,690 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-12-16 21:54:22,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-16 21:54:22,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-16 21:54:22,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-16 21:54:22,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-16 21:54:22,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:54:22" (1/1) ... [2024-12-16 21:54:22,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:54:22" (1/1) ... [2024-12-16 21:54:22,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:54:22" (1/1) ... [2024-12-16 21:54:22,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:54:22" (1/1) ... [2024-12-16 21:54:22,702 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:54:22" (1/1) ... [2024-12-16 21:54:22,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:54:22" (1/1) ... [2024-12-16 21:54:22,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:54:22" (1/1) ... [2024-12-16 21:54:22,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:54:22" (1/1) ... [2024-12-16 21:54:22,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:54:22" (1/1) ... [2024-12-16 21:54:22,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-16 21:54:22,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-16 21:54:22,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-16 21:54:22,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-16 21:54:22,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:54:22" (1/1) ... [2024-12-16 21:54:22,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-16 21:54:22,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 21:54:22,741 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 21:54:22,746 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 21:54:22,765 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-12-16 21:54:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-16 21:54:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-16 21:54:22,766 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-12-16 21:54:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-16 21:54:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-16 21:54:22,766 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-12-16 21:54:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-16 21:54:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-16 21:54:22,766 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-12-16 21:54:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-16 21:54:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-16 21:54:22,767 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 21:54:22,808 INFO L234 CfgBuilder]: Building ICFG [2024-12-16 21:54:22,810 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-16 21:54:22,894 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-16 21:54:22,894 INFO L283 CfgBuilder]: Performing block encoding [2024-12-16 21:54:22,927 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-16 21:54:22,928 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-16 21:54:22,928 INFO L201 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:54:22 BoogieIcfgContainer [2024-12-16 21:54:22,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-16 21:54:22,931 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-16 21:54:22,931 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-16 21:54:22,935 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-16 21:54:22,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:54:22" (1/2) ... [2024-12-16 21:54:22,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563315a7 and model type sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 09:54:22, skipping insertion in model container [2024-12-16 21:54:22,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:54:22" (2/2) ... [2024-12-16 21:54:22,937 INFO L128 eAbstractionObserver]: Analyzing ICFG sum-fun-alt.wvr.bpl [2024-12-16 21:54:22,950 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-16 21:54:22,952 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sum-fun-alt.wvr.bpl that has 4 procedures, 20 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-12-16 21:54:22,952 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-16 21:54:23,009 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-12-16 21:54:23,070 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-16 21:54:23,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-16 21:54:23,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 21:54:23,074 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 21:54:23,078 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 21:54:23,139 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-16 21:54:23,152 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-16 21:54:23,162 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;@234559bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-16 21:54:23,163 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-16 21:54:23,336 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 21:54:23,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 21:54:23,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1490265330, now seen corresponding path program 1 times [2024-12-16 21:54:23,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 21:54:23,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795563184] [2024-12-16 21:54:23,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 21:54:23,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 21:54:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 21:54:23,493 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 21:54:23,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 21:54:23,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795563184] [2024-12-16 21:54:23,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795563184] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-16 21:54:23,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-16 21:54:23,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-16 21:54:23,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599399739] [2024-12-16 21:54:23,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-16 21:54:23,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-16 21:54:23,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 21:54:23,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-16 21:54:23,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-16 21:54:23,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:54:23,541 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 21:54:23,542 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 21:54:23,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:54:23,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 21:54:23,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-16 21:54:23,594 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 21:54:23,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 21:54:23,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1906162644, now seen corresponding path program 1 times [2024-12-16 21:54:23,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 21:54:23,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408707758] [2024-12-16 21:54:23,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 21:54:23,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 21:54:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 21:54:24,314 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 21:54:24,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 21:54:24,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408707758] [2024-12-16 21:54:24,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408707758] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 21:54:24,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515495868] [2024-12-16 21:54:24,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 21:54:24,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:54:24,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 21:54:24,319 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 21:54:24,322 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 21:54:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 21:54:24,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-16 21:54:24,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 21:54:24,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:24,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:24,838 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 21:54:24,839 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 25 treesize of output 21 [2024-12-16 21:54:24,885 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 21:54:24,886 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 21:54:25,135 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 21:54:25,136 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 29 treesize of output 116 [2024-12-16 21:54:26,161 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 21:54:26,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515495868] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 21:54:26,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 21:54:26,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2024-12-16 21:54:26,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258694556] [2024-12-16 21:54:26,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 21:54:26,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-16 21:54:26,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 21:54:26,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-16 21:54:26,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2024-12-16 21:54:26,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:54:26,165 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 21:54:26,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.347826086956522) internal successors, (54), 22 states have internal predecessors, (54), 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 21:54:26,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 21:54:26,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:54:27,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 21:54:27,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-16 21:54:27,086 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 [2024-12-16 21:54:27,282 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 21:54:27,283 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 21:54:27,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 21:54:27,284 INFO L85 PathProgramCache]: Analyzing trace with hash -640358690, now seen corresponding path program 2 times [2024-12-16 21:54:27,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 21:54:27,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069522611] [2024-12-16 21:54:27,284 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 21:54:27,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 21:54:27,301 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 21:54:27,301 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:54:27,471 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 21:54:27,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 21:54:27,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069522611] [2024-12-16 21:54:27,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069522611] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 21:54:27,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16100840] [2024-12-16 21:54:27,472 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 21:54:27,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:54:27,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 21:54:27,474 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 21:54:27,476 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 21:54:27,512 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 21:54:27,512 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:54:27,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-16 21:54:27,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 21:54:27,704 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 21:54:27,704 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 21:54:27,954 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 21:54:27,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16100840] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 21:54:27,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 21:54:27,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 12] total 27 [2024-12-16 21:54:27,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163791452] [2024-12-16 21:54:27,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 21:54:27,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-16 21:54:27,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 21:54:27,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-16 21:54:27,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2024-12-16 21:54:27,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:54:27,957 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 21:54:27,957 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 21:54:27,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 21:54:27,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-16 21:54:27,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:54:28,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 21:54:28,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-16 21:54:28,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-12-16 21:54:28,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-16 21:54:28,772 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 21:54:28,772 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 21:54:28,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 21:54:28,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1192756316, now seen corresponding path program 3 times [2024-12-16 21:54:28,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 21:54:28,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386979483] [2024-12-16 21:54:28,773 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 21:54:28,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 21:54:28,815 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-16 21:54:28,815 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:54:30,012 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 21:54:30,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 21:54:30,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386979483] [2024-12-16 21:54:30,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386979483] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 21:54:30,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032934794] [2024-12-16 21:54:30,013 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 21:54:30,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:54:30,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 21:54:30,015 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 21:54:30,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-16 21:54:30,066 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-16 21:54:30,066 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:54:30,070 WARN L254 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-12-16 21:54:30,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 21:54:31,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:31,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:31,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:31,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:31,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:31,692 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:31,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:31,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:31,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:31,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:31,695 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:31,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:31,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:31,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:31,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:31,699 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:31,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:31,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:31,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:31,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:31,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:31,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:31,704 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:31,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 21:54:31,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 21 disjoint index pairs (out of 55 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 21 [2024-12-16 21:54:31,714 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 21:54:31,714 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 21:54:45,364 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,365 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,367 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,370 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,373 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,374 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,375 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,375 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,377 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,378 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,380 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,380 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,381 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,382 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,385 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,387 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,389 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,390 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,391 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,393 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,395 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,398 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,401 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,403 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,403 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,405 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,407 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,414 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,415 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,418 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:54:45,839 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 21:54:45,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 45 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 46 case distinctions, treesize of input 65 treesize of output 454 [2024-12-16 21:54:51,520 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 21:54:51,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032934794] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 21:54:51,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 21:54:51,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 52 [2024-12-16 21:54:51,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128348604] [2024-12-16 21:54:51,520 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 21:54:51,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-12-16 21:54:51,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 21:54:51,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-12-16 21:54:51,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=2502, Unknown=5, NotChecked=0, Total=2756 [2024-12-16 21:54:51,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:54:51,523 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 21:54:51,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 1.9245283018867925) internal successors, (102), 52 states have internal predecessors, (102), 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 21:54:51,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 21:54:51,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-16 21:54:51,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-12-16 21:54:51,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:55:21,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 21:55:21,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-16 21:55:21,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-12-16 21:55:21,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-12-16 21:55:21,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-16 21:55:21,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:55:21,289 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 21:55:21,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 21:55:21,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1536302102, now seen corresponding path program 4 times [2024-12-16 21:55:21,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 21:55:21,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187876519] [2024-12-16 21:55:21,290 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 21:55:21,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 21:55:21,299 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 21:55:21,300 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:55:21,760 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 27 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 21:55:21,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 21:55:21,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187876519] [2024-12-16 21:55:21,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187876519] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 21:55:21,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583837445] [2024-12-16 21:55:21,760 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 21:55:21,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:55:21,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 21:55:21,762 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 21:55:21,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-16 21:55:21,799 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 21:55:21,799 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:55:21,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-16 21:55:21,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 21:55:22,334 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 33 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 21:55:22,335 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 21:55:23,110 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 33 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 21:55:23,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583837445] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 21:55:23,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 21:55:23,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 16] total 34 [2024-12-16 21:55:23,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683995800] [2024-12-16 21:55:23,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 21:55:23,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-12-16 21:55:23,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 21:55:23,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-12-16 21:55:23,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=950, Unknown=0, NotChecked=0, Total=1190 [2024-12-16 21:55:23,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:55:23,113 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 21:55:23,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.085714285714286) internal successors, (108), 34 states have internal predecessors, (108), 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 21:55:23,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 21:55:23,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-16 21:55:23,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-12-16 21:55:23,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-12-16 21:55:23,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:55:27,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 21:55:27,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-16 21:55:27,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-12-16 21:55:27,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2024-12-16 21:55:27,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-12-16 21:55:27,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-16 21:55:27,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:55:27,772 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 21:55:27,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 21:55:27,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1853170364, now seen corresponding path program 5 times [2024-12-16 21:55:27,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 21:55:27,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061761347] [2024-12-16 21:55:27,773 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 21:55:27,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 21:55:27,797 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-12-16 21:55:27,797 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:55:28,069 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-12-16 21:55:28,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 21:55:28,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061761347] [2024-12-16 21:55:28,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061761347] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-16 21:55:28,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-16 21:55:28,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-16 21:55:28,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887124340] [2024-12-16 21:55:28,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-16 21:55:28,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-16 21:55:28,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 21:55:28,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-16 21:55:28,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-16 21:55:28,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:55:28,070 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 21:55:28,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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 21:55:28,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 21:55:28,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-16 21:55:28,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-12-16 21:55:28,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2024-12-16 21:55:28,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-12-16 21:55:28,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:55:28,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 21:55:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-16 21:55:28,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-12-16 21:55:28,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2024-12-16 21:55:28,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-12-16 21:55:28,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 21:55:28,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-16 21:55:28,243 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 21:55:28,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 21:55:28,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1039373542, now seen corresponding path program 6 times [2024-12-16 21:55:28,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 21:55:28,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971124982] [2024-12-16 21:55:28,244 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-16 21:55:28,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 21:55:28,275 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-12-16 21:55:28,279 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:55:28,734 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 5 proven. 58 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-16 21:55:28,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 21:55:28,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971124982] [2024-12-16 21:55:28,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971124982] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 21:55:28,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969796163] [2024-12-16 21:55:28,734 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-16 21:55:28,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:55:28,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 21:55:28,737 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 21:55:28,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-16 21:55:28,789 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-12-16 21:55:28,790 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:55:28,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-16 21:55:28,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 21:55:29,605 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 48 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 21:55:29,606 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 21:55:30,548 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 56 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 21:55:30,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969796163] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 21:55:30,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 21:55:30,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 17, 17] total 34 [2024-12-16 21:55:30,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093671604] [2024-12-16 21:55:30,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 21:55:30,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-12-16 21:55:30,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 21:55:30,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-12-16 21:55:30,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=929, Unknown=0, NotChecked=0, Total=1190 [2024-12-16 21:55:30,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:55:30,550 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 21:55:30,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.342857142857143) internal successors, (117), 34 states have internal predecessors, (117), 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 21:55:30,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 21:55:30,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-16 21:55:30,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-12-16 21:55:30,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2024-12-16 21:55:30,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-12-16 21:55:30,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-16 21:55:30,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:55:35,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 21:55:35,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-16 21:55:35,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-12-16 21:55:35,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2024-12-16 21:55:35,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-12-16 21:55:35,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 21:55:35,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-12-16 21:55:35,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-12-16 21:55:35,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:55:35,805 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 21:55:35,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 21:55:35,805 INFO L85 PathProgramCache]: Analyzing trace with hash -339280342, now seen corresponding path program 7 times [2024-12-16 21:55:35,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 21:55:35,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458047880] [2024-12-16 21:55:35,805 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-16 21:55:35,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 21:55:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 21:55:36,754 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 25 proven. 85 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-16 21:55:36,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 21:55:36,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458047880] [2024-12-16 21:55:36,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458047880] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 21:55:36,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153061083] [2024-12-16 21:55:36,754 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-16 21:55:36,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:55:36,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 21:55:36,757 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 21:55:36,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-16 21:55:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 21:55:36,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-16 21:55:36,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 21:55:37,945 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 25 proven. 85 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-16 21:55:37,945 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 21:55:39,758 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 25 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 21:55:39,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153061083] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 21:55:39,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 21:55:39,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 20, 27] total 51 [2024-12-16 21:55:39,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531861513] [2024-12-16 21:55:39,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 21:55:39,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-12-16 21:55:39,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 21:55:39,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-12-16 21:55:39,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=538, Invalid=2114, Unknown=0, NotChecked=0, Total=2652 [2024-12-16 21:55:39,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:55:39,761 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 21:55:39,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.0384615384615383) internal successors, (158), 51 states have internal predecessors, (158), 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 21:55:39,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 21:55:39,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-16 21:55:39,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-12-16 21:55:39,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2024-12-16 21:55:39,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-12-16 21:55:39,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-16 21:55:39,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-12-16 21:55:39,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:55:43,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 21:55:43,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-16 21:55:43,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-12-16 21:55:43,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2024-12-16 21:55:43,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-12-16 21:55:43,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 21:55:43,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-12-16 21:55:43,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-12-16 21:55:43,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-16 21:55:43,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:55:43,609 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 21:55:43,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 21:55:43,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1303226352, now seen corresponding path program 8 times [2024-12-16 21:55:43,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 21:55:43,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296791998] [2024-12-16 21:55:43,610 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 21:55:43,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 21:55:43,639 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 21:55:43,640 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:55:47,424 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 12 proven. 150 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-16 21:55:47,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 21:55:47,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296791998] [2024-12-16 21:55:47,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296791998] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 21:55:47,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213571822] [2024-12-16 21:55:47,425 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 21:55:47,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:55:47,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 21:55:47,427 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 21:55:47,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-16 21:55:47,477 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 21:55:47,477 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:55:47,483 WARN L254 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 136 conjuncts are in the unsatisfiable core [2024-12-16 21:55:47,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 21:55:52,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 39 [2024-12-16 21:55:52,822 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 166 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 21:55:52,822 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 21:56:16,491 WARN L286 SmtUtils]: Spent 16.11s on a formula simplification that was a NOOP. DAG size: 1128 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-12-16 21:56:16,492 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 21:56:16,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 45 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 451 case distinctions, treesize of input 159 treesize of output 3182 [2024-12-16 22:06:54,120 WARN L249 Executor]: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-16 22:06:54,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2024-12-16 22:06:54,123 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-12-16 22:06:54,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-12-16 22:06:54,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:06:54,330 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 22:06:54,338 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:499) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:484) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:590) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 70 more [2024-12-16 22:06:54,373 INFO L158 Benchmark]: Toolchain (without parser) took 751706.42ms. Allocated memory was 167.8MB in the beginning and 578.8MB in the end (delta: 411.0MB). Free memory was 100.4MB in the beginning and 435.0MB in the end (delta: -334.6MB). Peak memory consumption was 331.3MB. Max. memory is 16.0GB. [2024-12-16 22:06:54,373 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 22:06:54,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.33ms. Allocated memory is still 167.8MB. Free memory was 100.4MB in the beginning and 98.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 22:06:54,373 INFO L158 Benchmark]: Boogie Preprocessor took 15.37ms. Allocated memory is still 167.8MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 22:06:54,373 INFO L158 Benchmark]: RCFGBuilder took 220.91ms. Allocated memory is still 167.8MB. Free memory was 98.3MB in the beginning and 83.6MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2024-12-16 22:06:54,374 INFO L158 Benchmark]: TraceAbstraction took 751441.07ms. Allocated memory was 167.8MB in the beginning and 578.8MB in the end (delta: 411.0MB). Free memory was 82.6MB in the beginning and 435.0MB in the end (delta: -352.4MB). Peak memory consumption was 314.6MB. Max. memory is 16.0GB. [2024-12-16 22:06:54,377 INFO L338 ainManager$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 167.8MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 24.33ms. Allocated memory is still 167.8MB. Free memory was 100.4MB in the beginning and 98.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 15.37ms. Allocated memory is still 167.8MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 220.91ms. Allocated memory is still 167.8MB. Free memory was 98.3MB in the beginning and 83.6MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 751441.07ms. Allocated memory was 167.8MB in the beginning and 578.8MB in the end (delta: 411.0MB). Free memory was 82.6MB in the beginning and 435.0MB in the end (delta: -352.4MB). Peak memory consumption was 314.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...