/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis SUFFICIENT_WITH_CONTEXT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-15 00:31:21,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 00:31:21,344 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-15 00:31:21,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 00:31:21,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 00:31:21,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 00:31:21,371 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 00:31:21,371 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 00:31:21,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 00:31:21,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 00:31:21,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 00:31:21,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 00:31:21,373 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 00:31:21,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 00:31:21,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 00:31:21,373 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-15 00:31:21,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-15 00:31:21,373 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-15 00:31:21,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 00:31:21,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 00:31:21,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 00:31:21,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 00:31:21,373 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-15 00:31:21,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 00:31:21,374 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 00:31:21,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 00:31:21,374 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 00:31:21,374 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-15 00:31:21,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 00:31:21,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-15 00:31:21,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 00:31:21,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 00:31:21,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 00:31:21,374 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-15 00:31:21,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-15 00:31:21,374 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 00:31:21,374 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-15 00:31:21,374 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-15 00:31:21,374 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-15 00:31:21,374 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT_WITH_CONTEXT [2024-11-15 00:31:21,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 00:31:21,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 00:31:21,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 00:31:21,613 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-11-15 00:31:21,614 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-11-15 00:31:21,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl [2024-11-15 00:31:21,616 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl' [2024-11-15 00:31:21,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 00:31:21,639 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-11-15 00:31:21,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 00:31:21,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 00:31:21,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 00:31:21,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.11 12:31:21" (1/1) ... [2024-11-15 00:31:21,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.11 12:31:21" (1/1) ... [2024-11-15 00:31:21,664 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-11-15 00:31:21,666 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 00:31:21,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 00:31:21,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 00:31:21,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 00:31:21,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.11 12:31:21" (1/1) ... [2024-11-15 00:31:21,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.11 12:31:21" (1/1) ... [2024-11-15 00:31:21,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.11 12:31:21" (1/1) ... [2024-11-15 00:31:21,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.11 12:31:21" (1/1) ... [2024-11-15 00:31:21,675 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.11 12:31:21" (1/1) ... [2024-11-15 00:31:21,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.11 12:31:21" (1/1) ... [2024-11-15 00:31:21,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.11 12:31:21" (1/1) ... [2024-11-15 00:31:21,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.11 12:31:21" (1/1) ... [2024-11-15 00:31:21,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 00:31:21,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 00:31:21,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 00:31:21,683 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 00:31:21,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.11 12:31:21" (1/1) ... [2024-11-15 00:31:21,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-15 00:31:21,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 00:31:21,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-15 00:31:21,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-15 00:31:21,736 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-11-15 00:31:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-15 00:31:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-15 00:31:21,737 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-11-15 00:31:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-15 00:31:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-15 00:31:21,737 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-11-15 00:31:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 00:31:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 00:31:21,737 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-11-15 00:31:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-15 00:31:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-15 00:31:21,738 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2024-11-15 00:31:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-15 00:31:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-15 00:31:21,738 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-15 00:31:21,780 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 00:31:21,782 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 00:31:21,878 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-15 00:31:21,878 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 00:31:21,901 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 00:31:21,901 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-15 00:31:21,902 INFO L201 PluginConnector]: Adding new model buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 12:31:21 BoogieIcfgContainer [2024-11-15 00:31:21,902 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 00:31:21,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 00:31:21,905 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 00:31:21,910 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 00:31:21,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.11 12:31:21" (1/2) ... [2024-11-15 00:31:21,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75379c39 and model type buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 12:31:21, skipping insertion in model container [2024-11-15 00:31:21,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 12:31:21" (2/2) ... [2024-11-15 00:31:21,913 INFO L112 eAbstractionObserver]: Analyzing ICFG buffer-series.wvr.bpl [2024-11-15 00:31:21,927 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 00:31:21,929 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG buffer-series.wvr.bpl that has 5 procedures, 32 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-15 00:31:21,929 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-15 00:31:21,992 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-15 00:31:22,047 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 00:31:22,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-15 00:31:22,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 00:31:22,050 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-15 00:31:22,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-15 00:31:22,103 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-15 00:31:22,121 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-15 00:31:22,128 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;@48cce90a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 00:31:22,128 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-15 00:31:22,335 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 00:31:22,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 00:31:22,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1461778335, now seen corresponding path program 1 times [2024-11-15 00:31:22,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 00:31:22,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881125552] [2024-11-15 00:31:22,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 00:31:22,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 00:31:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 00:31:22,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 00:31:22,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 00:31:22,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881125552] [2024-11-15 00:31:22,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881125552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 00:31:22,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 00:31:22,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-15 00:31:22,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249552857] [2024-11-15 00:31:22,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 00:31:22,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 00:31:22,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 00:31:22,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 00:31:22,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 00:31:22,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:22,480 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 00:31:22,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 00:31:22,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:22,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:22,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-15 00:31:22,507 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 00:31:22,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 00:31:22,507 INFO L85 PathProgramCache]: Analyzing trace with hash 588839871, now seen corresponding path program 1 times [2024-11-15 00:31:22,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 00:31:22,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996082934] [2024-11-15 00:31:22,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 00:31:22,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 00:31:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 00:31:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 00:31:22,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 00:31:22,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996082934] [2024-11-15 00:31:22,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996082934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 00:31:22,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 00:31:22,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 00:31:22,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72174968] [2024-11-15 00:31:22,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 00:31:22,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-15 00:31:22,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 00:31:22,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-15 00:31:22,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-15 00:31:22,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:22,609 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 00:31:22,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 00:31:22,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:22,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:22,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:22,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:22,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-15 00:31:22,734 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 00:31:22,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 00:31:22,735 INFO L85 PathProgramCache]: Analyzing trace with hash 640941063, now seen corresponding path program 1 times [2024-11-15 00:31:22,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 00:31:22,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033686501] [2024-11-15 00:31:22,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 00:31:22,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 00:31:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 00:31:22,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 00:31:22,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 00:31:22,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033686501] [2024-11-15 00:31:22,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033686501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 00:31:22,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 00:31:22,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 00:31:22,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739034070] [2024-11-15 00:31:22,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 00:31:22,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-15 00:31:22,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 00:31:22,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-15 00:31:22,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-15 00:31:22,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:22,804 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 00:31:22,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 00:31:22,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:22,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:22,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:23,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:23,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-15 00:31:23,036 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 00:31:23,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 00:31:23,037 INFO L85 PathProgramCache]: Analyzing trace with hash -2028238414, now seen corresponding path program 1 times [2024-11-15 00:31:23,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 00:31:23,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111575248] [2024-11-15 00:31:23,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 00:31:23,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 00:31:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 00:31:23,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 00:31:23,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 00:31:23,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111575248] [2024-11-15 00:31:23,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111575248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 00:31:23,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 00:31:23,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 00:31:23,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545218164] [2024-11-15 00:31:23,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 00:31:23,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-15 00:31:23,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 00:31:23,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-15 00:31:23,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-15 00:31:23,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:23,076 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 00:31:23,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 00:31:23,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:23,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:23,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:23,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:23,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-15 00:31:23,231 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 00:31:23,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 00:31:23,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1005018021, now seen corresponding path program 1 times [2024-11-15 00:31:23,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 00:31:23,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802329668] [2024-11-15 00:31:23,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 00:31:23,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 00:31:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 00:31:23,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 00:31:23,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 00:31:23,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802329668] [2024-11-15 00:31:23,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802329668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 00:31:23,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 00:31:23,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 00:31:23,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321017032] [2024-11-15 00:31:23,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 00:31:23,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-15 00:31:23,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 00:31:23,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-15 00:31:23,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-15 00:31:23,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:23,261 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 00:31:23,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 00:31:23,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:23,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:23,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:23,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:23,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:23,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:23,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-15 00:31:23,378 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 00:31:23,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 00:31:23,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1654767272, now seen corresponding path program 1 times [2024-11-15 00:31:23,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 00:31:23,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419801462] [2024-11-15 00:31:23,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 00:31:23,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 00:31:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 00:31:23,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 00:31:23,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 00:31:23,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419801462] [2024-11-15 00:31:23,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419801462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 00:31:23,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 00:31:23,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 00:31:23,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073281145] [2024-11-15 00:31:23,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 00:31:23,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-15 00:31:23,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 00:31:23,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-15 00:31:23,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-15 00:31:23,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:23,437 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 00:31:23,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 00:31:23,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:23,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:23,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:23,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:23,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:23,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:23,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:23,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-15 00:31:23,512 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 00:31:23,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 00:31:23,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1361035028, now seen corresponding path program 1 times [2024-11-15 00:31:23,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 00:31:23,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5937197] [2024-11-15 00:31:23,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 00:31:23,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 00:31:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 00:31:23,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 00:31:23,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 00:31:23,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5937197] [2024-11-15 00:31:23,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5937197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 00:31:23,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 00:31:23,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 00:31:23,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917342986] [2024-11-15 00:31:23,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 00:31:23,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-15 00:31:23,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 00:31:23,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-15 00:31:23,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-15 00:31:23,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:23,552 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 00:31:23,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 00:31:23,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:23,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:23,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:23,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:23,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:23,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:23,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:23,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:23,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-15 00:31:23,608 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 00:31:23,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 00:31:23,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1300205110, now seen corresponding path program 1 times [2024-11-15 00:31:23,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 00:31:23,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787726717] [2024-11-15 00:31:23,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 00:31:23,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 00:31:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 00:31:23,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 00:31:23,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 00:31:23,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787726717] [2024-11-15 00:31:23,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787726717] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 00:31:23,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383733108] [2024-11-15 00:31:23,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 00:31:23,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 00:31:23,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 00:31:23,789 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 00:31:23,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-15 00:31:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 00:31:23,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-15 00:31:23,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 00:31:24,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-15 00:31:24,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-15 00:31:24,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 00:31:24,058 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 00:31:24,101 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-15 00:31:24,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-15 00:31:24,147 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-15 00:31:24,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26 [2024-11-15 00:31:24,157 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-15 00:31:24,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26 [2024-11-15 00:31:24,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 00:31:24,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383733108] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 00:31:24,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 00:31:24,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-15 00:31:24,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662572006] [2024-11-15 00:31:24,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 00:31:24,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-15 00:31:24,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 00:31:24,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-15 00:31:24,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-15 00:31:24,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:24,217 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 00:31:24,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 10 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 00:31:24,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:24,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:24,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:24,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:24,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:24,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:24,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:24,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:24,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:24,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:24,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:24,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:24,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:24,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:24,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:24,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:31:24,391 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 [2024-11-15 00:31:24,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 00:31:24,579 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 00:31:24,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 00:31:24,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1241886440, now seen corresponding path program 2 times [2024-11-15 00:31:24,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 00:31:24,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407179156] [2024-11-15 00:31:24,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 00:31:24,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 00:31:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 00:31:24,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 00:31:24,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 00:31:24,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407179156] [2024-11-15 00:31:24,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407179156] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 00:31:24,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710780039] [2024-11-15 00:31:24,633 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-15 00:31:24,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 00:31:24,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 00:31:24,635 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 00:31:24,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-15 00:31:24,674 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-15 00:31:24,674 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-15 00:31:24,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-15 00:31:24,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 00:31:24,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-15 00:31:24,706 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 00:31:24,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710780039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 00:31:24,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-15 00:31:24,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2024-11-15 00:31:24,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958260692] [2024-11-15 00:31:24,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 00:31:24,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-15 00:31:24,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 00:31:24,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-15 00:31:24,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-15 00:31:24,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:24,707 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 00:31:24,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 00:31:24,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:24,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:24,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:24,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:24,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:24,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:24,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:24,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:31:24,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:24,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:24,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:24,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:24,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:24,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:24,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:24,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:24,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:31:24,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:24,751 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-15 00:31:24,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 00:31:24,939 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 00:31:24,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 00:31:24,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1293987632, now seen corresponding path program 3 times [2024-11-15 00:31:24,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 00:31:24,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257621269] [2024-11-15 00:31:24,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 00:31:24,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 00:31:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 00:31:25,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 00:31:25,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 00:31:25,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257621269] [2024-11-15 00:31:25,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257621269] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 00:31:25,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886412322] [2024-11-15 00:31:25,004 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-15 00:31:25,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 00:31:25,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 00:31:25,008 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 00:31:25,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-15 00:31:25,045 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-15 00:31:25,045 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-15 00:31:25,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-15 00:31:25,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 00:31:25,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-15 00:31:25,074 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 00:31:25,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886412322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 00:31:25,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-15 00:31:25,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2024-11-15 00:31:25,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142452070] [2024-11-15 00:31:25,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 00:31:25,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-15 00:31:25,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 00:31:25,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-15 00:31:25,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-15 00:31:25,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:25,075 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 00:31:25,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 00:31:25,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:25,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:25,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:25,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:31:25,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:25,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:25,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:25,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:31:25,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-15 00:31:25,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 00:31:25,342 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 00:31:25,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 00:31:25,342 INFO L85 PathProgramCache]: Analyzing trace with hash 975215081, now seen corresponding path program 4 times [2024-11-15 00:31:25,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 00:31:25,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281072809] [2024-11-15 00:31:25,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 00:31:25,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 00:31:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 00:31:25,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-15 00:31:25,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 00:31:25,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281072809] [2024-11-15 00:31:25,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281072809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 00:31:25,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 00:31:25,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-15 00:31:25,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280569042] [2024-11-15 00:31:25,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 00:31:25,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-15 00:31:25,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 00:31:25,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-15 00:31:25,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-15 00:31:25,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:25,399 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 00:31:25,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 00:31:25,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:25,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:25,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:25,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:31:25,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:25,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:25,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:25,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:25,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:31:25,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 00:31:25,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-15 00:31:25,514 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 00:31:25,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 00:31:25,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1998435474, now seen corresponding path program 5 times [2024-11-15 00:31:25,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 00:31:25,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343190620] [2024-11-15 00:31:25,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 00:31:25,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 00:31:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 00:31:25,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-15 00:31:25,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 00:31:25,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343190620] [2024-11-15 00:31:25,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343190620] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 00:31:25,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38675760] [2024-11-15 00:31:25,563 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-15 00:31:25,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 00:31:25,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 00:31:25,565 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 00:31:25,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-15 00:31:25,600 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-15 00:31:25,600 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-15 00:31:25,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-15 00:31:25,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 00:31:25,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 00:31:25,680 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 00:31:25,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-15 00:31:25,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38675760] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 00:31:25,711 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 00:31:25,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 8 [2024-11-15 00:31:25,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954705852] [2024-11-15 00:31:25,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 00:31:25,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-15 00:31:25,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 00:31:25,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-15 00:31:25,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-15 00:31:25,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:25,713 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 00:31:25,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 00:31:25,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:25,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:25,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:25,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:31:25,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 00:31:25,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:31:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 00:31:25,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-15 00:31:26,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-15 00:31:26,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-15 00:31:26,178 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 00:31:26,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 00:31:26,179 INFO L85 PathProgramCache]: Analyzing trace with hash 484159249, now seen corresponding path program 6 times [2024-11-15 00:31:26,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 00:31:26,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540205554] [2024-11-15 00:31:26,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 00:31:26,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 00:31:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 00:31:26,220 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-15 00:31:26,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 00:31:26,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540205554] [2024-11-15 00:31:26,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540205554] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 00:31:26,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642108228] [2024-11-15 00:31:26,221 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-15 00:31:26,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 00:31:26,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 00:31:26,225 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 00:31:26,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-15 00:31:26,267 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2024-11-15 00:31:26,267 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-15 00:31:26,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-15 00:31:26,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 00:31:26,298 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-15 00:31:26,298 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 00:31:26,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642108228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 00:31:26,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-15 00:31:26,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2024-11-15 00:31:26,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048957157] [2024-11-15 00:31:26,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 00:31:26,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-15 00:31:26,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 00:31:26,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-15 00:31:26,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-15 00:31:26,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:26,299 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 00:31:26,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 00:31:26,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:26,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:26,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:26,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:31:26,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 00:31:26,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-15 00:31:26,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:31:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 00:31:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-15 00:31:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-15 00:31:26,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-15 00:31:26,545 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 00:31:26,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 00:31:26,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1763324245, now seen corresponding path program 7 times [2024-11-15 00:31:26,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 00:31:26,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426015549] [2024-11-15 00:31:26,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 00:31:26,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 00:31:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 00:31:26,589 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-15 00:31:26,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 00:31:26,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426015549] [2024-11-15 00:31:26,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426015549] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 00:31:26,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001461320] [2024-11-15 00:31:26,589 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-15 00:31:26,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 00:31:26,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 00:31:26,591 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) [2024-11-15 00:31:26,593 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 [2024-11-15 00:31:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 00:31:26,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-15 00:31:26,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 00:31:26,653 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-15 00:31:26,654 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 00:31:26,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001461320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 00:31:26,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-15 00:31:26,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2024-11-15 00:31:26,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564513458] [2024-11-15 00:31:26,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 00:31:26,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-15 00:31:26,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 00:31:26,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-15 00:31:26,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-15 00:31:26,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:26,654 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 00:31:26,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 00:31:26,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:26,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:26,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:26,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:31:26,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 00:31:26,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-15 00:31:26,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:31:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 00:31:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-15 00:31:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:26,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-15 00:31:26,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 00:31:26,894 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 00:31:26,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 00:31:26,895 INFO L85 PathProgramCache]: Analyzing trace with hash -973083661, now seen corresponding path program 8 times [2024-11-15 00:31:26,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 00:31:26,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845766652] [2024-11-15 00:31:26,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 00:31:26,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 00:31:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 00:31:27,440 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 00:31:27,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 00:31:27,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845766652] [2024-11-15 00:31:27,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845766652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 00:31:27,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708317006] [2024-11-15 00:31:27,441 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-15 00:31:27,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 00:31:27,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 00:31:27,443 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) [2024-11-15 00:31:27,444 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 [2024-11-15 00:31:27,478 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-15 00:31:27,478 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-15 00:31:27,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-15 00:31:27,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 00:31:27,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2024-11-15 00:31:27,919 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-15 00:31:27,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 27 [2024-11-15 00:31:27,946 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 00:31:27,947 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 00:31:28,175 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-15 00:31:28,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 69 [2024-11-15 00:31:28,322 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-15 00:31:28,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 69 [2024-11-15 00:31:28,340 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-15 00:31:28,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 85 [2024-11-15 00:31:28,591 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 00:31:28,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708317006] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 00:31:28,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 00:31:28,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 34 [2024-11-15 00:31:28,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760734454] [2024-11-15 00:31:28,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 00:31:28,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-15 00:31:28,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 00:31:28,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-15 00:31:28,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1006, Unknown=0, NotChecked=0, Total=1190 [2024-11-15 00:31:28,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:28,593 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 00:31:28,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.4285714285714284) internal successors, (85), 34 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 00:31:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:28,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:28,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:31:28,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:28,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:28,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 00:31:28,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-15 00:31:28,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:28,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:28,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:30,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:31:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 00:31:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-15 00:31:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-15 00:31:30,814 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 [2024-11-15 00:31:31,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 00:31:31,003 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 00:31:31,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 00:31:31,004 INFO L85 PathProgramCache]: Analyzing trace with hash -468888955, now seen corresponding path program 9 times [2024-11-15 00:31:31,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 00:31:31,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480165716] [2024-11-15 00:31:31,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 00:31:31,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 00:31:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 00:31:32,191 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-15 00:31:32,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 00:31:32,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480165716] [2024-11-15 00:31:32,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480165716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 00:31:32,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098849395] [2024-11-15 00:31:32,191 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-15 00:31:32,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 00:31:32,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 00:31:32,193 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 00:31:32,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-15 00:31:32,230 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-15 00:31:32,230 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-15 00:31:32,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-11-15 00:31:32,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 00:31:33,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 61 [2024-11-15 00:31:33,597 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-15 00:31:33,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 85 treesize of output 57 [2024-11-15 00:31:33,630 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 00:31:33,631 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 00:31:34,771 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-15 00:31:34,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 93 treesize of output 217 [2024-11-15 00:31:35,490 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-15 00:31:35,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 89 treesize of output 213 [2024-11-15 00:31:35,558 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-15 00:31:35,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 239 treesize of output 321 [2024-11-15 00:31:51,286 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 00:31:51,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098849395] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 00:31:51,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 00:31:51,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24, 24] total 68 [2024-11-15 00:31:51,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388930934] [2024-11-15 00:31:51,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 00:31:51,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-11-15 00:31:51,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 00:31:51,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-11-15 00:31:51,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=4196, Unknown=0, NotChecked=0, Total=4692 [2024-11-15 00:31:51,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:31:51,289 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 00:31:51,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 2.0869565217391304) internal successors, (144), 68 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 00:31:51,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:31:51,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:51,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:51,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:51,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:31:51,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:51,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:51,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:31:51,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:51,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:51,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 00:31:51,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-15 00:31:51,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:51,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:31:51,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-11-15 00:31:51,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:32:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:32:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:32:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:32:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:32:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:32:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-15 00:32:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:04,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-15 00:32:04,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2024-11-15 00:32:04,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-15 00:32:04,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 00:32:04,262 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 00:32:04,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 00:32:04,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1934718839, now seen corresponding path program 10 times [2024-11-15 00:32:04,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 00:32:04,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408904129] [2024-11-15 00:32:04,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 00:32:04,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 00:32:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 00:32:04,460 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-15 00:32:04,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 00:32:04,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408904129] [2024-11-15 00:32:04,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408904129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 00:32:04,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 00:32:04,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-15 00:32:04,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030717606] [2024-11-15 00:32:04,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 00:32:04,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-15 00:32:04,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 00:32:04,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-15 00:32:04,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-15 00:32:04,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:32:04,462 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 00:32:04,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 00:32:04,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:32:04,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:04,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:04,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:32:04,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:32:04,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:04,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:04,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:32:04,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:04,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:04,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:32:04,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-15 00:32:04,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:04,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:04,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-11-15 00:32:04,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2024-11-15 00:32:04,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 00:32:05,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 00:32:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:32:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 00:32:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:32:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 00:32:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-15 00:32:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 00:32:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-15 00:32:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2024-11-15 00:32:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-15 00:32:05,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-15 00:32:05,070 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 00:32:05,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 00:32:05,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1668386625, now seen corresponding path program 11 times [2024-11-15 00:32:05,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 00:32:05,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054367269] [2024-11-15 00:32:05,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 00:32:05,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 00:32:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 00:32:08,440 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-15 00:32:08,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 00:32:08,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054367269] [2024-11-15 00:32:08,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054367269] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 00:32:08,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508680787] [2024-11-15 00:32:08,441 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-15 00:32:08,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 00:32:08,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 00:32:08,442 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 00:32:08,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-15 00:32:08,508 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-11-15 00:32:08,509 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-15 00:32:08,513 WARN L254 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 201 conjuncts are in the unsatisfiable core [2024-11-15 00:32:08,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 00:32:17,136 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-15 00:32:17,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 185 treesize of output 109 [2024-11-15 00:32:17,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 147 [2024-11-15 00:32:17,730 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 00:32:17,730 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 00:32:31,427 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-15 00:32:31,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 237 treesize of output 1141 [2024-11-15 00:32:57,354 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,355 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,356 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,357 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,357 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,360 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,361 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,364 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,365 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,366 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,366 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,367 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,367 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,367 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,368 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,368 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,368 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,369 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,369 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,369 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,370 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,370 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,371 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,372 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,373 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,374 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,374 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,375 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,375 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,375 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,376 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,377 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,381 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,381 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,385 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,386 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,388 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,388 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,388 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,390 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,391 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,392 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,392 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,393 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,394 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-15 00:32:57,610 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-15 00:32:57,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 135 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 55 case distinctions, treesize of input 221 treesize of output 675 [2024-11-15 00:32:58,304 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-15 00:32:58,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 797 treesize of output 1539 [2024-11-15 00:42:34,121 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") [2024-11-15 00:42:34,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2024-11-15 00:42:34,122 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-15 00:42:34,136 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-15 00:42:34,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-15 00:42:34,335 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 [2024-11-15 00:42:34,336 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:336) 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:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 70 more [2024-11-15 00:42:34,340 INFO L158 Benchmark]: Toolchain (without parser) took 672701.47ms. Allocated memory was 100.7MB in the beginning and 922.7MB in the end (delta: 822.1MB). Free memory was 52.6MB in the beginning and 379.2MB in the end (delta: -326.6MB). Peak memory consumption was 577.7MB. Max. memory is 8.0GB. [2024-11-15 00:42:34,341 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.28ms. Allocated memory is still 100.7MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 00:42:34,341 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.61ms. Allocated memory is still 100.7MB. Free memory was 52.5MB in the beginning and 51.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 00:42:34,341 INFO L158 Benchmark]: Boogie Preprocessor took 15.24ms. Allocated memory is still 100.7MB. Free memory was 51.4MB in the beginning and 50.7MB in the end (delta: 695.7kB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-15 00:42:34,341 INFO L158 Benchmark]: RCFGBuilder took 219.65ms. Allocated memory is still 100.7MB. Free memory was 50.5MB in the beginning and 40.4MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2024-11-15 00:42:34,341 INFO L158 Benchmark]: TraceAbstraction took 672434.80ms. Allocated memory was 100.7MB in the beginning and 922.7MB in the end (delta: 822.1MB). Free memory was 39.8MB in the beginning and 379.2MB in the end (delta: -339.4MB). Peak memory consumption was 565.1MB. Max. memory is 8.0GB. [2024-11-15 00:42:34,342 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.28ms. Allocated memory is still 100.7MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.61ms. Allocated memory is still 100.7MB. Free memory was 52.5MB in the beginning and 51.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 15.24ms. Allocated memory is still 100.7MB. Free memory was 51.4MB in the beginning and 50.7MB in the end (delta: 695.7kB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 219.65ms. Allocated memory is still 100.7MB. Free memory was 50.5MB in the beginning and 40.4MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 672434.80ms. Allocated memory was 100.7MB in the beginning and 922.7MB in the end (delta: 822.1MB). Free memory was 39.8MB in the beginning and 379.2MB in the end (delta: -339.4MB). Peak memory consumption was 565.1MB. Max. memory is 8.0GB. * 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...