/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --traceabstraction.commutativity.condition.synthesis NONE -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-16 20:50:24,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-16 20:50:24,547 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-16 20:50:24,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-16 20:50:24,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-16 20:50:24,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-16 20:50:24,583 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-16 20:50:24,583 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-16 20:50:24,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-16 20:50:24,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-16 20:50:24,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-16 20:50:24,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-16 20:50:24,584 INFO L153 SettingsManager]: * Use SBE=true [2024-12-16 20:50:24,585 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-16 20:50:24,585 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-16 20:50:24,585 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-16 20:50:24,585 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-16 20:50:24,585 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-16 20:50:24,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-16 20:50:24,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-16 20:50:24,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-16 20:50:24,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-16 20:50:24,586 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-16 20:50:24,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-16 20:50:24,586 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-16 20:50:24,586 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-16 20:50:24,586 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-16 20:50:24,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-16 20:50:24,586 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-16 20:50:24,586 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-16 20:50:24,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-16 20:50:24,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-16 20:50:24,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-16 20:50:24,587 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-16 20:50:24,587 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-16 20:50:24,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-16 20:50:24,587 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-16 20:50:24,587 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-16 20:50:24,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-16 20:50:24,587 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-16 20:50:24,587 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-16 20:50:24,587 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-16 20:50:24,587 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-16 20:50:24,587 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2024-12-16 20:50:24,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-16 20:50:24,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-16 20:50:24,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-16 20:50:24,853 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-12-16 20:50:24,855 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-12-16 20:50:24,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr.wvr.bpl [2024-12-16 20:50:24,857 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr.wvr.bpl' [2024-12-16 20:50:24,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-16 20:50:24,880 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-12-16 20:50:24,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-16 20:50:24,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-16 20:50:24,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-16 20:50:24,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:50:24" (1/1) ... [2024-12-16 20:50:24,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:50:24" (1/1) ... [2024-12-16 20:50:24,899 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-12-16 20:50:24,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-16 20:50:24,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-16 20:50:24,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-16 20:50:24,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-16 20:50:24,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:50:24" (1/1) ... [2024-12-16 20:50:24,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:50:24" (1/1) ... [2024-12-16 20:50:24,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:50:24" (1/1) ... [2024-12-16 20:50:24,907 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:50:24" (1/1) ... [2024-12-16 20:50:24,908 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:50:24" (1/1) ... [2024-12-16 20:50:24,909 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:50:24" (1/1) ... [2024-12-16 20:50:24,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:50:24" (1/1) ... [2024-12-16 20:50:24,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:50:24" (1/1) ... [2024-12-16 20:50:24,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:50:24" (1/1) ... [2024-12-16 20:50:24,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-16 20:50:24,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-16 20:50:24,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-16 20:50:24,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-16 20:50:24,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:50:24" (1/1) ... [2024-12-16 20:50:24,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-16 20:50:24,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:50:24,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-16 20:50:24,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-16 20:50:24,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-12-16 20:50:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-16 20:50:24,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-16 20:50:24,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-12-16 20:50:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-16 20:50:24,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-16 20:50:24,970 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-12-16 20:50:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-16 20:50:24,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-16 20:50:24,971 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-16 20:50:25,004 INFO L234 CfgBuilder]: Building ICFG [2024-12-16 20:50:25,006 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-16 20:50:25,074 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-16 20:50:25,074 INFO L283 CfgBuilder]: Performing block encoding [2024-12-16 20:50:25,096 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-16 20:50:25,097 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-16 20:50:25,097 INFO L201 PluginConnector]: Adding new model nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:50:25 BoogieIcfgContainer [2024-12-16 20:50:25,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-16 20:50:25,102 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-16 20:50:25,103 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-16 20:50:25,107 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-16 20:50:25,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:50:24" (1/2) ... [2024-12-16 20:50:25,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c35e39f and model type nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:50:25, skipping insertion in model container [2024-12-16 20:50:25,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:50:25" (2/2) ... [2024-12-16 20:50:25,109 INFO L128 eAbstractionObserver]: Analyzing ICFG nonblocking-cntr.wvr.bpl [2024-12-16 20:50:25,122 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-16 20:50:25,125 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG nonblocking-cntr.wvr.bpl that has 3 procedures, 15 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-12-16 20:50:25,125 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-16 20:50:25,175 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-16 20:50:25,230 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-16 20:50:25,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-16 20:50:25,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:50:25,235 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-16 20:50:25,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-16 20:50:25,284 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-16 20:50:25,298 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-16 20:50:25,308 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;@537c3c0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-16 20:50:25,308 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-16 20:50:25,579 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:50:25,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:50:25,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1546716282, now seen corresponding path program 1 times [2024-12-16 20:50:25,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:50:25,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712803464] [2024-12-16 20:50:25,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 20:50:25,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:50:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 20:50:25,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:50:25,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:50:25,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712803464] [2024-12-16 20:50:25,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712803464] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-16 20:50:25,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-16 20:50:25,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-16 20:50:25,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148546365] [2024-12-16 20:50:25,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-16 20:50:25,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-16 20:50:25,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:50:25,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-16 20:50:25,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-16 20:50:25,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:50:25,795 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:50:25,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:50:25,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:50:25,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:50:25,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-16 20:50:25,830 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:50:25,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:50:25,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1617736810, now seen corresponding path program 1 times [2024-12-16 20:50:25,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:50:25,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577523558] [2024-12-16 20:50:25,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 20:50:25,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:50:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 20:50:26,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 20:50:26,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:50:26,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577523558] [2024-12-16 20:50:26,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577523558] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:50:26,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912577909] [2024-12-16 20:50:26,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 20:50:26,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:50:26,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:50:26,086 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:50:26,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-16 20:50:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 20:50:26,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-16 20:50:26,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:50:26,310 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:50:26,310 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:50:26,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:50:26,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912577909] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:50:26,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:50:26,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 12 [2024-12-16 20:50:26,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130691319] [2024-12-16 20:50:26,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:50:26,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-16 20:50:26,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:50:26,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-16 20:50:26,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-12-16 20:50:26,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:50:26,552 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:50:26,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:50:26,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:50:26,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:50:27,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:50:27,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:50:27,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-16 20:50:27,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:50:27,350 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:50:27,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:50:27,351 INFO L85 PathProgramCache]: Analyzing trace with hash 205173188, now seen corresponding path program 2 times [2024-12-16 20:50:27,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:50:27,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042751125] [2024-12-16 20:50:27,351 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 20:50:27,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:50:27,395 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 20:50:27,395 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:50:27,928 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 20:50:27,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:50:27,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042751125] [2024-12-16 20:50:27,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042751125] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:50:27,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731894206] [2024-12-16 20:50:27,928 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 20:50:27,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:50:27,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:50:27,932 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:50:27,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-16 20:50:27,967 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 20:50:27,968 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:50:27,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-16 20:50:27,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:50:28,100 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-16 20:50:28,100 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:50:28,375 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-16 20:50:28,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731894206] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:50:28,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:50:28,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 8] total 21 [2024-12-16 20:50:28,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300757323] [2024-12-16 20:50:28,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:50:28,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-16 20:50:28,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:50:28,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-16 20:50:28,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2024-12-16 20:50:28,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:50:28,377 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:50:28,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 21 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:50:28,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:50:28,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:50:28,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:50:28,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:50:28,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:50:28,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-16 20:50:28,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-16 20:50:29,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:50:29,183 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:50:29,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:50:29,183 INFO L85 PathProgramCache]: Analyzing trace with hash 283294560, now seen corresponding path program 3 times [2024-12-16 20:50:29,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:50:29,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263744803] [2024-12-16 20:50:29,184 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 20:50:29,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:50:29,197 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-12-16 20:50:29,197 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:50:29,413 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-16 20:50:29,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:50:29,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263744803] [2024-12-16 20:50:29,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263744803] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:50:29,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234797551] [2024-12-16 20:50:29,414 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 20:50:29,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:50:29,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:50:29,417 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:50:29,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-16 20:50:29,448 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-12-16 20:50:29,448 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:50:29,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-16 20:50:29,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:50:29,853 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:50:29,853 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:50:30,417 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:50:30,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234797551] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:50:30,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:50:30,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 16] total 36 [2024-12-16 20:50:30,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110810096] [2024-12-16 20:50:30,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:50:30,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-12-16 20:50:30,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:50:30,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-12-16 20:50:30,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=1112, Unknown=0, NotChecked=0, Total=1332 [2024-12-16 20:50:30,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:50:30,419 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:50:30,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.2162162162162162) internal successors, (82), 36 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:50:30,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:50:30,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:50:30,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-16 20:50:30,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:50:31,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:50:31,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:50:31,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:50:31,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-12-16 20:50:31,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-16 20:50:31,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:50:31,946 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:50:31,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:50:31,946 INFO L85 PathProgramCache]: Analyzing trace with hash 424241700, now seen corresponding path program 4 times [2024-12-16 20:50:31,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:50:31,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677719738] [2024-12-16 20:50:31,946 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 20:50:31,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:50:31,966 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 20:50:31,967 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:50:32,361 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 46 proven. 36 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-16 20:50:32,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:50:32,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677719738] [2024-12-16 20:50:32,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677719738] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:50:32,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333215297] [2024-12-16 20:50:32,362 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 20:50:32,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:50:32,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:50:32,364 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:50:32,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-16 20:50:32,420 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 20:50:32,420 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:50:32,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-16 20:50:32,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:50:33,001 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 6 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:50:33,001 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:50:33,782 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 2 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:50:33,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333215297] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:50:33,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:50:33,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 21, 24] total 54 [2024-12-16 20:50:33,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292559489] [2024-12-16 20:50:33,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:50:33,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-12-16 20:50:33,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:50:33,784 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-12-16 20:50:33,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=439, Invalid=2531, Unknown=0, NotChecked=0, Total=2970 [2024-12-16 20:50:33,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:50:33,786 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:50:33,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 2.2) internal successors, (121), 54 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:50:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:50:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:50:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:50:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-12-16 20:50:33,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:50:36,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:50:36,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:50:36,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:50:36,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:50:36,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:50:36,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-16 20:50:37,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:50:37,134 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:50:37,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:50:37,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1731611198, now seen corresponding path program 5 times [2024-12-16 20:50:37,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:50:37,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317202598] [2024-12-16 20:50:37,135 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 20:50:37,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:50:37,257 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-12-16 20:50:37,257 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:50:38,493 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 1 proven. 221 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-16 20:50:38,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:50:38,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317202598] [2024-12-16 20:50:38,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317202598] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:50:38,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694915278] [2024-12-16 20:50:38,494 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 20:50:38,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:50:38,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:50:38,497 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:50:38,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-16 20:50:38,570 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-12-16 20:50:38,571 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:50:38,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-12-16 20:50:38,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:50:38,658 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-16 20:50:38,659 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:50:40,377 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 112 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:50:40,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694915278] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:50:40,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:50:40,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 34] total 39 [2024-12-16 20:50:40,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251310532] [2024-12-16 20:50:40,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:50:40,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-12-16 20:50:40,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:50:40,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-12-16 20:50:40,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=1209, Unknown=0, NotChecked=0, Total=1560 [2024-12-16 20:50:40,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:50:40,381 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:50:40,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.45) internal successors, (98), 39 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:50:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:50:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:50:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:50:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:50:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:50:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:50:40,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:50:40,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:50:40,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:50:40,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:50:40,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:50:40,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:50:40,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-16 20:50:40,822 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,SelfDestructingSolverStorable5 [2024-12-16 20:50:40,822 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:50:40,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:50:40,823 INFO L85 PathProgramCache]: Analyzing trace with hash 362293254, now seen corresponding path program 6 times [2024-12-16 20:50:40,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:50:40,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135653606] [2024-12-16 20:50:40,823 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-16 20:50:40,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:50:40,856 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-12-16 20:50:40,856 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:50:41,286 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 35 proven. 37 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-16 20:50:41,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:50:41,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135653606] [2024-12-16 20:50:41,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135653606] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:50:41,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000339278] [2024-12-16 20:50:41,286 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-16 20:50:41,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:50:41,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:50:41,289 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:50:41,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-16 20:50:41,334 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-12-16 20:50:41,334 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:50:41,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-16 20:50:41,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:50:41,956 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 26 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:50:41,956 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:50:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 25 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:50:42,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000339278] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:50:42,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:50:42,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 25, 25] total 63 [2024-12-16 20:50:42,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872670580] [2024-12-16 20:50:42,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:50:42,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-12-16 20:50:42,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:50:42,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-12-16 20:50:42,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=711, Invalid=3321, Unknown=0, NotChecked=0, Total=4032 [2024-12-16 20:50:42,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:50:42,688 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:50:42,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 2.15625) internal successors, (138), 63 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:50:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:50:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:50:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:50:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:50:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:50:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:50:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:50:44,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:50:44,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:50:44,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:50:44,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:50:44,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:50:44,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:50:44,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:50:44,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-16 20:50:44,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:50:44,498 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:50:44,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:50:44,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1397480306, now seen corresponding path program 7 times [2024-12-16 20:50:44,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:50:44,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497848226] [2024-12-16 20:50:44,498 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-16 20:50:44,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:50:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 20:50:45,613 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 22 proven. 95 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-16 20:50:45,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:50:45,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497848226] [2024-12-16 20:50:45,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497848226] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:50:45,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923872520] [2024-12-16 20:50:45,614 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-16 20:50:45,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:50:45,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:50:45,617 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:50:45,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-16 20:50:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 20:50:45,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-16 20:50:45,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:50:45,979 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 51 proven. 103 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-16 20:50:45,979 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:50:46,516 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 39 proven. 80 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-16 20:50:46,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923872520] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:50:46,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:50:46,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 13] total 30 [2024-12-16 20:50:46,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114321388] [2024-12-16 20:50:46,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:50:46,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-12-16 20:50:46,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:50:46,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-12-16 20:50:46,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=792, Unknown=0, NotChecked=0, Total=930 [2024-12-16 20:50:46,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:50:46,518 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:50:46,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.2580645161290325) internal successors, (101), 30 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:50:46,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:50:46,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:50:46,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:50:46,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:50:46,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:50:46,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:50:46,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:50:46,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:50:47,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:50:47,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:50:47,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:50:47,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:50:47,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:50:47,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:50:47,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:50:47,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:50:47,283 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-16 20:50:47,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:50:47,478 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:50:47,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:50:47,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1045116336, now seen corresponding path program 8 times [2024-12-16 20:50:47,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:50:47,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536203699] [2024-12-16 20:50:47,479 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 20:50:47,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:50:47,495 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 20:50:47,496 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:50:48,233 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 102 proven. 88 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-12-16 20:50:48,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:50:48,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536203699] [2024-12-16 20:50:48,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536203699] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:50:48,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271581004] [2024-12-16 20:50:48,234 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 20:50:48,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:50:48,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:50:48,237 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) [2024-12-16 20:50:48,239 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 [2024-12-16 20:50:48,295 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 20:50:48,297 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:50:48,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-12-16 20:50:48,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:50:49,488 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 51 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:50:49,488 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:50:50,872 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 50 proven. 201 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:50:50,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271581004] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:50:50,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:50:50,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 35, 38] total 94 [2024-12-16 20:50:50,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305946623] [2024-12-16 20:50:50,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:50:50,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2024-12-16 20:50:50,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:50:50,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2024-12-16 20:50:50,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1181, Invalid=7749, Unknown=0, NotChecked=0, Total=8930 [2024-12-16 20:50:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:50:50,876 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:50:50,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 2.1052631578947367) internal successors, (200), 94 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:50:50,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:50:50,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:50:50,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:50:50,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:50:50,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:50:50,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:50:50,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:50:50,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:50:50,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:50:55,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:50:55,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:50:55,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:50:55,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:50:55,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:50:55,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:50:55,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:50:55,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:50:55,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-12-16 20:50:55,504 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 [2024-12-16 20:50:55,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:50:55,699 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:50:55,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:50:55,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1760208136, now seen corresponding path program 9 times [2024-12-16 20:50:55,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:50:55,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760240629] [2024-12-16 20:50:55,700 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 20:50:55,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:50:55,757 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-12-16 20:50:55,757 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:50:56,659 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 75 proven. 178 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-16 20:50:56,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:50:56,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760240629] [2024-12-16 20:50:56,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760240629] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:50:56,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730255353] [2024-12-16 20:50:56,660 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 20:50:56,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:50:56,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:50:56,664 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) [2024-12-16 20:50:56,665 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 [2024-12-16 20:50:56,730 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-12-16 20:50:56,730 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:50:56,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-12-16 20:50:56,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:50:56,887 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 4 proven. 225 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-16 20:50:56,887 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:50:57,271 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 67 proven. 162 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-16 20:50:57,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730255353] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:50:57,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:50:57,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 28 [2024-12-16 20:50:57,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966372786] [2024-12-16 20:50:57,272 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:50:57,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-12-16 20:50:57,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:50:57,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-12-16 20:50:57,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=595, Unknown=0, NotChecked=0, Total=812 [2024-12-16 20:50:57,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:50:57,273 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:50:57,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.7241379310344827) internal successors, (108), 28 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:50:57,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:50:57,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:50:57,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:50:57,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:50:57,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:50:57,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:50:57,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:50:57,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:50:57,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-12-16 20:50:57,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:50:57,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:50:57,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:50:57,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:50:57,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:50:57,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:50:57,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:50:57,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:50:57,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:50:57,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-12-16 20:50:57,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:50:57,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-16 20:50:57,976 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,SelfDestructingSolverStorable9 [2024-12-16 20:50:57,976 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:50:57,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:50:57,977 INFO L85 PathProgramCache]: Analyzing trace with hash 310077072, now seen corresponding path program 10 times [2024-12-16 20:50:57,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:50:57,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61550268] [2024-12-16 20:50:57,977 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 20:50:57,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:50:57,992 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 20:50:57,992 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:50:58,703 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 114 proven. 119 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-16 20:50:58,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:50:58,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61550268] [2024-12-16 20:50:58,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61550268] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:50:58,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498510551] [2024-12-16 20:50:58,703 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 20:50:58,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:50:58,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:50:58,705 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:50:58,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-16 20:50:58,747 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 20:50:58,747 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:50:58,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-12-16 20:50:58,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:51:00,070 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 101 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:51:00,070 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:51:01,681 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 101 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:51:01,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498510551] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:51:01,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:51:01,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 39, 42] total 106 [2024-12-16 20:51:01,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114055048] [2024-12-16 20:51:01,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:51:01,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2024-12-16 20:51:01,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:51:01,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2024-12-16 20:51:01,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1536, Invalid=9806, Unknown=0, NotChecked=0, Total=11342 [2024-12-16 20:51:01,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:51:01,686 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:51:01,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 2.074766355140187) internal successors, (222), 106 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:51:01,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:51:01,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:01,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:51:01,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:51:01,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:51:01,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:51:01,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:51:01,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:51:01,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-12-16 20:51:01,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:51:01,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:51:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:51:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:51:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:51:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:51:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:51:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:51:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:51:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-12-16 20:51:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:51:06,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-12-16 20:51:06,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-12-16 20:51:06,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-16 20:51:06,616 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:51:06,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:51:06,616 INFO L85 PathProgramCache]: Analyzing trace with hash -658459848, now seen corresponding path program 11 times [2024-12-16 20:51:06,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:51:06,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487288554] [2024-12-16 20:51:06,616 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 20:51:06,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:51:06,717 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-12-16 20:51:06,717 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:51:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-16 20:51:07,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:51:07,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487288554] [2024-12-16 20:51:07,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487288554] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:51:07,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033072538] [2024-12-16 20:51:07,641 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 20:51:07,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:51:07,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:51:07,644 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:51:07,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-16 20:51:07,725 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-12-16 20:51:07,726 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:51:07,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-12-16 20:51:07,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:51:07,818 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 1 proven. 279 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-16 20:51:07,818 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:51:08,398 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 103 proven. 177 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-16 20:51:08,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033072538] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:51:08,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:51:08,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 17] total 32 [2024-12-16 20:51:08,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41959316] [2024-12-16 20:51:08,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:51:08,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-12-16 20:51:08,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:51:08,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-12-16 20:51:08,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=777, Unknown=0, NotChecked=0, Total=1056 [2024-12-16 20:51:08,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:51:08,400 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:51:08,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.5757575757575757) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:51:08,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:51:08,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:08,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:51:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:51:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:51:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:51:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:51:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:51:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-12-16 20:51:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:51:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-12-16 20:51:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:51:08,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:51:08,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:08,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:51:08,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:51:08,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:51:08,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:51:08,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:51:08,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:51:08,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-12-16 20:51:08,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:51:08,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-12-16 20:51:08,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:08,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-16 20:51:09,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:51:09,114 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:51:09,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:51:09,114 INFO L85 PathProgramCache]: Analyzing trace with hash 782354356, now seen corresponding path program 12 times [2024-12-16 20:51:09,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:51:09,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565206119] [2024-12-16 20:51:09,114 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-16 20:51:09,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:51:09,149 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2024-12-16 20:51:09,149 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:51:10,006 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 160 proven. 164 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-16 20:51:10,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:51:10,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565206119] [2024-12-16 20:51:10,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565206119] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:51:10,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188262962] [2024-12-16 20:51:10,007 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-16 20:51:10,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:51:10,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:51:10,009 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:51:10,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-16 20:51:10,065 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2024-12-16 20:51:10,065 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:51:10,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-12-16 20:51:10,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:51:11,527 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 145 proven. 291 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:51:11,527 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:51:13,614 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 144 proven. 292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:51:13,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188262962] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:51:13,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:51:13,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 46, 46] total 120 [2024-12-16 20:51:13,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621882480] [2024-12-16 20:51:13,615 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:51:13,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2024-12-16 20:51:13,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:51:13,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2024-12-16 20:51:13,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2140, Invalid=12380, Unknown=0, NotChecked=0, Total=14520 [2024-12-16 20:51:13,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:51:13,620 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:51:13,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 2.074380165289256) internal successors, (251), 120 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:51:13,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:51:13,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:13,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:51:13,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:51:13,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:51:13,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:51:13,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:51:13,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:51:13,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-12-16 20:51:13,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:51:13,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-12-16 20:51:13,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:13,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:51:17,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:51:17,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:17,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:51:17,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:51:17,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:51:17,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:51:17,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:51:17,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:51:17,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-12-16 20:51:17,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:51:17,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-12-16 20:51:17,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:17,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-12-16 20:51:17,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-16 20:51:18,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:51:18,183 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:51:18,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:51:18,183 INFO L85 PathProgramCache]: Analyzing trace with hash 83405916, now seen corresponding path program 13 times [2024-12-16 20:51:18,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:51:18,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351723256] [2024-12-16 20:51:18,183 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-16 20:51:18,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:51:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 20:51:20,301 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 25 proven. 354 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-16 20:51:20,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:51:20,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351723256] [2024-12-16 20:51:20,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351723256] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:51:20,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634899953] [2024-12-16 20:51:20,302 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-16 20:51:20,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:51:20,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:51:20,303 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:51:20,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-16 20:51:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 20:51:20,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-12-16 20:51:20,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:51:21,263 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 172 proven. 239 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-16 20:51:21,263 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:51:22,835 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 147 proven. 232 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-16 20:51:22,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634899953] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:51:22,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:51:22,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 19, 19] total 50 [2024-12-16 20:51:22,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836174768] [2024-12-16 20:51:22,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:51:22,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-12-16 20:51:22,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:51:22,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-12-16 20:51:22,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=2279, Unknown=0, NotChecked=0, Total=2550 [2024-12-16 20:51:22,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:51:22,838 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:51:22,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 2.9411764705882355) internal successors, (150), 50 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:51:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:51:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:51:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:51:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:51:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:51:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:51:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:51:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-12-16 20:51:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:51:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-12-16 20:51:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-12-16 20:51:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:51:24,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:51:24,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:24,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:51:24,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:51:24,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:51:24,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:51:24,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:51:24,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:51:24,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-12-16 20:51:24,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:51:24,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-12-16 20:51:24,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:24,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-12-16 20:51:24,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-12-16 20:51:24,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-12-16 20:51:24,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-16 20:51:24,565 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:51:24,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:51:24,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1815973160, now seen corresponding path program 14 times [2024-12-16 20:51:24,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:51:24,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267038744] [2024-12-16 20:51:24,565 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 20:51:24,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:51:24,582 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 20:51:24,582 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:51:25,622 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 214 proven. 217 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-16 20:51:25,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:51:25,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267038744] [2024-12-16 20:51:25,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267038744] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:51:25,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845548367] [2024-12-16 20:51:25,623 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 20:51:25,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:51:25,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:51:25,625 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:51:25,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-12-16 20:51:25,686 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 20:51:25,686 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:51:25,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-12-16 20:51:25,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:51:27,480 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 197 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:51:27,480 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:51:29,955 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 197 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:51:29,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845548367] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:51:29,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:51:29,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 51, 54] total 138 [2024-12-16 20:51:29,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482426057] [2024-12-16 20:51:29,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:51:29,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 139 states [2024-12-16 20:51:29,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:51:29,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2024-12-16 20:51:29,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2532, Invalid=16650, Unknown=0, NotChecked=0, Total=19182 [2024-12-16 20:51:29,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:51:29,960 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:51:29,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 139 states, 139 states have (on average 2.0575539568345325) internal successors, (286), 138 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:51:29,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:51:29,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:29,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:51:29,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:51:29,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:51:29,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:51:29,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:51:29,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:51:29,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-12-16 20:51:29,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:51:29,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-12-16 20:51:29,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:29,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-12-16 20:51:29,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-12-16 20:51:29,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:51:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:51:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:51:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:51:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:51:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:51:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:51:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:51:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-12-16 20:51:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:51:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-12-16 20:51:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:37,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-12-16 20:51:37,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-12-16 20:51:37,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-12-16 20:51:37,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-12-16 20:51:37,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-16 20:51:37,742 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:51:37,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:51:37,742 INFO L85 PathProgramCache]: Analyzing trace with hash 236384128, now seen corresponding path program 15 times [2024-12-16 20:51:37,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:51:37,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074617621] [2024-12-16 20:51:37,742 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 20:51:37,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:51:37,824 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2024-12-16 20:51:37,824 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:51:39,072 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 213 proven. 397 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-12-16 20:51:39,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:51:39,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074617621] [2024-12-16 20:51:39,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074617621] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:51:39,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784039365] [2024-12-16 20:51:39,072 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 20:51:39,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:51:39,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:51:39,074 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:51:39,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-12-16 20:51:39,152 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2024-12-16 20:51:39,152 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:51:39,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 108 conjuncts are in the unsatisfiable core [2024-12-16 20:51:39,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:51:39,433 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 16 proven. 478 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-16 20:51:39,433 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:51:40,026 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 199 proven. 295 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-16 20:51:40,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784039365] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:51:40,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:51:40,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23, 21] total 42 [2024-12-16 20:51:40,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42585092] [2024-12-16 20:51:40,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:51:40,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-12-16 20:51:40,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:51:40,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-12-16 20:51:40,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=487, Invalid=1319, Unknown=0, NotChecked=0, Total=1806 [2024-12-16 20:51:40,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:51:40,028 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:51:40,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 3.558139534883721) internal successors, (153), 42 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:51:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:51:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:51:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:51:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:51:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:51:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:51:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:51:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-12-16 20:51:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:51:40,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-12-16 20:51:40,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:40,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-12-16 20:51:40,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-12-16 20:51:40,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-12-16 20:51:40,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:51:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:51:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:51:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:51:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:51:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:51:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:51:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:51:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-12-16 20:51:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:51:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-12-16 20:51:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-12-16 20:51:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-12-16 20:51:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-12-16 20:51:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-16 20:51:40,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-12-16 20:51:40,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-16 20:51:40,885 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:51:40,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:51:40,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1644324860, now seen corresponding path program 16 times [2024-12-16 20:51:40,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:51:40,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035056443] [2024-12-16 20:51:40,886 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 20:51:40,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:51:40,911 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 20:51:40,912 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:51:42,142 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 276 proven. 278 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-16 20:51:42,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:51:42,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035056443] [2024-12-16 20:51:42,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035056443] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:51:42,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017697926] [2024-12-16 20:51:42,142 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 20:51:42,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:51:42,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:51:42,144 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:51:42,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-12-16 20:51:42,197 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 20:51:42,197 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:51:42,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 99 conjuncts are in the unsatisfiable core [2024-12-16 20:51:42,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:51:44,565 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 257 proven. 477 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:51:44,565 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:51:47,513 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 257 proven. 477 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:51:47,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017697926] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:51:47,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:51:47,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 57, 60] total 154 [2024-12-16 20:51:47,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93915006] [2024-12-16 20:51:47,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:51:47,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 155 states [2024-12-16 20:51:47,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:51:47,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2024-12-16 20:51:47,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3123, Invalid=20747, Unknown=0, NotChecked=0, Total=23870 [2024-12-16 20:51:47,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:51:47,517 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:51:47,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 155 states, 155 states have (on average 2.0516129032258066) internal successors, (318), 154 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:51:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:51:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:51:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:51:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:51:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:51:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:51:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:51:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-12-16 20:51:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:51:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-12-16 20:51:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-12-16 20:51:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-12-16 20:51:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-12-16 20:51:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-16 20:51:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:51:56,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:51:56,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:56,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:51:56,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:51:56,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:51:56,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:51:56,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:51:56,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:51:56,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-12-16 20:51:56,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:51:56,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-12-16 20:51:56,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:51:56,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-12-16 20:51:56,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-12-16 20:51:56,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-12-16 20:51:56,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-16 20:51:56,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-12-16 20:51:56,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-12-16 20:51:56,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-16 20:51:56,962 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:51:56,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:51:56,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1346403492, now seen corresponding path program 17 times [2024-12-16 20:51:56,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:51:56,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977303340] [2024-12-16 20:51:56,962 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 20:51:56,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:51:57,174 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2024-12-16 20:51:57,174 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:51:58,790 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 0 proven. 625 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-16 20:51:58,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:51:58,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977303340] [2024-12-16 20:51:58,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977303340] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:51:58,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522052139] [2024-12-16 20:51:58,791 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 20:51:58,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:51:58,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:51:58,792 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:51:58,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-12-16 20:51:58,886 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2024-12-16 20:51:58,886 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:51:58,890 WARN L254 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 178 conjuncts are in the unsatisfiable core [2024-12-16 20:51:58,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:52:01,066 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 33 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:52:01,067 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:52:40,587 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 290 proven. 555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:52:40,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522052139] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:52:40,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:52:40,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 61, 61] total 143 [2024-12-16 20:52:40,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263871491] [2024-12-16 20:52:40,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:52:40,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 144 states [2024-12-16 20:52:40,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:52:40,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2024-12-16 20:52:40,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3184, Invalid=17408, Unknown=0, NotChecked=0, Total=20592 [2024-12-16 20:52:40,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:52:40,590 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:52:40,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 144 states, 144 states have (on average 2.2847222222222223) internal successors, (329), 143 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:52:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:52:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:52:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:52:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:52:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:52:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:52:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-12-16 20:52:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:52:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-12-16 20:52:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:52:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-12-16 20:52:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:52:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-12-16 20:52:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-12-16 20:52:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-12-16 20:52:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-16 20:52:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-12-16 20:52:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:53:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:53:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-16 20:53:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:53:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:53:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:53:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:53:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:53:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:53:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-12-16 20:53:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:53:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-16 20:53:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:53:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-12-16 20:53:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-12-16 20:53:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-12-16 20:53:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-16 20:53:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-12-16 20:53:37,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-12-16 20:53:37,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-12-16 20:53:37,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-16 20:53:37,802 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:53:37,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:53:37,803 INFO L85 PathProgramCache]: Analyzing trace with hash -2093255720, now seen corresponding path program 18 times [2024-12-16 20:53:37,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:53:37,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172417278] [2024-12-16 20:53:37,803 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-16 20:53:37,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:53:38,266 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 43 check-sat command(s) [2024-12-16 20:53:38,266 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:53:42,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 406 proven. 497 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-12-16 20:53:42,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:53:42,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172417278] [2024-12-16 20:53:42,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172417278] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:53:42,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985994514] [2024-12-16 20:53:42,338 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-16 20:53:42,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:53:42,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:53:42,339 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:53:42,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-12-16 20:53:42,645 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 43 check-sat command(s) [2024-12-16 20:53:42,645 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:53:42,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 251 conjuncts are in the unsatisfiable core [2024-12-16 20:53:42,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:53:49,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 325 proven. 3858 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:53:49,547 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:54:01,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 324 proven. 3859 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:54:01,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985994514] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:54:01,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:54:01,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 124, 126] total 290 [2024-12-16 20:54:01,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638656125] [2024-12-16 20:54:01,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:54:01,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 291 states [2024-12-16 20:54:01,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:54:01,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 291 interpolants. [2024-12-16 20:54:01,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11349, Invalid=73041, Unknown=0, NotChecked=0, Total=84390 [2024-12-16 20:54:01,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:54:01,614 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:54:01,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 291 states, 291 states have (on average 2.020618556701031) internal successors, (588), 290 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:54:01,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:54:01,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-16 20:54:01,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:54:01,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:54:01,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:54:01,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:54:01,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:54:01,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:54:01,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-12-16 20:54:01,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:54:01,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-12-16 20:54:01,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:54:01,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-12-16 20:54:01,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-12-16 20:54:01,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-12-16 20:54:01,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-16 20:54:01,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-12-16 20:54:01,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2024-12-16 20:54:01,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:55:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:55:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-16 20:55:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:55:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:55:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:55:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:55:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:55:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:55:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-12-16 20:55:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:55:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-16 20:55:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:55:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-12-16 20:55:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-12-16 20:55:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-12-16 20:55:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-16 20:55:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-12-16 20:55:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-12-16 20:55:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2024-12-16 20:55:47,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-12-16 20:55:47,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:55:47,504 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:55:47,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:55:47,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1762465664, now seen corresponding path program 19 times [2024-12-16 20:55:47,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:55:47,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522756772] [2024-12-16 20:55:47,505 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-16 20:55:47,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:55:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 20:56:01,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4426 backedges. 37 proven. 945 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-12-16 20:56:01,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:56:01,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522756772] [2024-12-16 20:56:01,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522756772] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:56:01,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324796363] [2024-12-16 20:56:01,380 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-16 20:56:01,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:56:01,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:56:01,383 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:56:01,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-12-16 20:56:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 20:56:01,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 181 conjuncts are in the unsatisfiable core [2024-12-16 20:56:01,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:56:02,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4426 backedges. 364 proven. 2318 refuted. 0 times theorem prover too weak. 1744 trivial. 0 not checked. [2024-12-16 20:56:02,893 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:56:07,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4426 backedges. 327 proven. 655 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-12-16 20:56:07,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324796363] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:56:07,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:56:07,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 25, 25] total 68 [2024-12-16 20:56:07,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370065488] [2024-12-16 20:56:07,461 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:56:07,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-12-16 20:56:07,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:56:07,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-12-16 20:56:07,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=436, Invalid=4256, Unknown=0, NotChecked=0, Total=4692 [2024-12-16 20:56:07,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:56:07,463 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:56:07,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 2.869565217391304) internal successors, (198), 68 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:56:07,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:56:07,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-16 20:56:07,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:56:07,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:56:07,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:56:07,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:56:07,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:56:07,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:56:07,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-12-16 20:56:07,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:56:07,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-12-16 20:56:07,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:56:07,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-12-16 20:56:07,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-12-16 20:56:07,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-12-16 20:56:07,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-16 20:56:07,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-12-16 20:56:07,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2024-12-16 20:56:07,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 352 states. [2024-12-16 20:56:07,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:56:09,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:56:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-16 20:56:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:56:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:56:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:56:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:56:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:56:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:56:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-12-16 20:56:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:56:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-16 20:56:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:56:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-12-16 20:56:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-12-16 20:56:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-12-16 20:56:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-16 20:56:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-12-16 20:56:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-12-16 20:56:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2024-12-16 20:56:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-12-16 20:56:09,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-12-16 20:56:10,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:56:10,188 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:56:10,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:56:10,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1468246268, now seen corresponding path program 20 times [2024-12-16 20:56:10,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:56:10,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736839201] [2024-12-16 20:56:10,189 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 20:56:10,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:56:10,262 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 20:56:10,262 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:56:14,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4502 backedges. 484 proven. 574 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-12-16 20:56:14,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:56:14,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736839201] [2024-12-16 20:56:14,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736839201] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:56:14,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046800920] [2024-12-16 20:56:14,928 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 20:56:14,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:56:14,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:56:14,930 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:56:14,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-12-16 20:56:15,073 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 20:56:15,073 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:56:15,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 239 conjuncts are in the unsatisfiable core [2024-12-16 20:56:15,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:56:22,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4502 backedges. 401 proven. 4101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:56:22,227 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:56:35,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4502 backedges. 401 proven. 4101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:56:35,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046800920] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:56:35,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:56:35,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 129, 132] total 306 [2024-12-16 20:56:35,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619046986] [2024-12-16 20:56:35,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:56:35,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 307 states [2024-12-16 20:56:35,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:56:35,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 307 interpolants. [2024-12-16 20:56:35,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12351, Invalid=81591, Unknown=0, NotChecked=0, Total=93942 [2024-12-16 20:56:35,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:56:35,100 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:56:35,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 307 states, 307 states have (on average 2.026058631921824) internal successors, (622), 306 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:56:35,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:56:35,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-16 20:56:35,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:56:35,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:56:35,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:56:35,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:56:35,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:56:35,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:56:35,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-12-16 20:56:35,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:56:35,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-12-16 20:56:35,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:56:35,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-12-16 20:56:35,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-12-16 20:56:35,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-12-16 20:56:35,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-16 20:56:35,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-12-16 20:56:35,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2024-12-16 20:56:35,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 352 states. [2024-12-16 20:56:35,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-12-16 20:56:35,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:58:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:58:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-16 20:58:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:58:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:58:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:58:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:58:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:58:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:58:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-12-16 20:58:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:58:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-16 20:58:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:58:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-12-16 20:58:27,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-12-16 20:58:27,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-12-16 20:58:27,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-16 20:58:27,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-12-16 20:58:27,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-12-16 20:58:27,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2024-12-16 20:58:27,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-12-16 20:58:27,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 365 states. [2024-12-16 20:58:27,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-12-16 20:58:27,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-12-16 20:58:27,449 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:58:27,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:58:27,449 INFO L85 PathProgramCache]: Analyzing trace with hash 865121700, now seen corresponding path program 21 times [2024-12-16 20:58:27,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:58:27,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910630820] [2024-12-16 20:58:27,450 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 20:58:27,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:58:27,909 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 45 check-sat command(s) [2024-12-16 20:58:27,910 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:58:36,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4757 backedges. 423 proven. 2206 refuted. 0 times theorem prover too weak. 2128 trivial. 0 not checked. [2024-12-16 20:58:36,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:58:36,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910630820] [2024-12-16 20:58:36,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910630820] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:58:36,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227107732] [2024-12-16 20:58:36,220 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 20:58:36,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:58:36,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:58:36,223 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:58:36,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-12-16 20:58:36,849 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 45 check-sat command(s) [2024-12-16 20:58:36,849 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:58:36,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 263 conjuncts are in the unsatisfiable core [2024-12-16 20:58:36,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:58:37,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4757 backedges. 2 proven. 1143 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-12-16 20:58:37,441 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:58:38,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4757 backedges. 403 proven. 742 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-12-16 20:58:38,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227107732] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:58:38,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:58:38,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 28, 26] total 55 [2024-12-16 20:58:38,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92680364] [2024-12-16 20:58:38,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:58:38,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-12-16 20:58:38,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:58:38,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-12-16 20:58:38,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=791, Invalid=2289, Unknown=0, NotChecked=0, Total=3080 [2024-12-16 20:58:38,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:58:38,420 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:58:38,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.7857142857142856) internal successors, (212), 55 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 352 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 365 states. [2024-12-16 20:58:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:58:39,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:58:39,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-16 20:58:39,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:58:39,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:58:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:58:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:58:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:58:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:58:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-12-16 20:58:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:58:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-16 20:58:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:58:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-12-16 20:58:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-12-16 20:58:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-12-16 20:58:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-16 20:58:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-12-16 20:58:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-12-16 20:58:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2024-12-16 20:58:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-12-16 20:58:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 365 states. [2024-12-16 20:58:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-16 20:58:39,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-12-16 20:58:39,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-12-16 20:58:39,657 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:58:39,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:58:39,657 INFO L85 PathProgramCache]: Analyzing trace with hash 632825888, now seen corresponding path program 22 times [2024-12-16 20:58:39,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:58:39,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056051512] [2024-12-16 20:58:39,658 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 20:58:39,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:58:39,766 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 20:58:39,766 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:58:44,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4841 backedges. 570 proven. 659 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-12-16 20:58:44,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:58:44,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056051512] [2024-12-16 20:58:44,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056051512] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:58:44,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365381229] [2024-12-16 20:58:44,898 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 20:58:44,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:58:44,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:58:44,901 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:58:44,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-12-16 20:58:45,034 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 20:58:45,034 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:58:45,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 249 conjuncts are in the unsatisfiable core [2024-12-16 20:58:45,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:58:52,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4841 backedges. 485 proven. 4356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:58:52,718 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:59:06,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4841 backedges. 485 proven. 4356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:59:06,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365381229] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:59:06,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:59:06,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 135, 138] total 322 [2024-12-16 20:59:06,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852566160] [2024-12-16 20:59:06,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:59:06,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 323 states [2024-12-16 20:59:06,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:59:06,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 323 interpolants. [2024-12-16 20:59:06,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13548, Invalid=90458, Unknown=0, NotChecked=0, Total=104006 [2024-12-16 20:59:06,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:59:06,533 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:59:06,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 323 states, 323 states have (on average 2.024767801857585) internal successors, (654), 322 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:59:06,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 20:59:06,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-16 20:59:06,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-16 20:59:06,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-16 20:59:06,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:59:06,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 20:59:06,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-16 20:59:06,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-16 20:59:06,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-12-16 20:59:06,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:59:06,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-12-16 20:59:06,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:59:06,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-12-16 20:59:06,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-12-16 20:59:06,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-12-16 20:59:06,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-16 20:59:06,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-12-16 20:59:06,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2024-12-16 20:59:06,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 352 states. [2024-12-16 20:59:06,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-12-16 20:59:06,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 365 states. [2024-12-16 20:59:06,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-16 20:59:06,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:01:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 21:01:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-16 21:01:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 21:01:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-16 21:01:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 21:01:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 21:01:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-16 21:01:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-16 21:01:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-12-16 21:01:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-16 21:01:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-16 21:01:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 21:01:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-12-16 21:01:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-12-16 21:01:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-12-16 21:01:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-16 21:01:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-12-16 21:01:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-12-16 21:01:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2024-12-16 21:01:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-12-16 21:01:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 365 states. [2024-12-16 21:01:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-16 21:01:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 378 states. [2024-12-16 21:01:05,551 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-12-16 21:01:05,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:01:05,745 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 21:01:05,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 21:01:05,745 INFO L85 PathProgramCache]: Analyzing trace with hash 268881096, now seen corresponding path program 23 times [2024-12-16 21:01:05,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 21:01:05,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029369126] [2024-12-16 21:01:05,745 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 21:01:05,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 21:01:06,939 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 46 check-sat command(s) [2024-12-16 21:01:06,939 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:01:16,104 INFO L134 CoverageAnalysis]: Checked inductivity of 5108 backedges. 509 proven. 1151 refuted. 0 times theorem prover too weak. 3448 trivial. 0 not checked. [2024-12-16 21:01:16,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 21:01:16,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029369126] [2024-12-16 21:01:16,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029369126] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 21:01:16,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120127668] [2024-12-16 21:01:16,105 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 21:01:16,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:01:16,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 21:01:16,107 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 21:01:16,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-12-16 21:01:16,430 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 46 check-sat command(s) [2024-12-16 21:01:16,430 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:01:16,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 277 conjuncts are in the unsatisfiable core [2024-12-16 21:01:16,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 21:01:26,735 INFO L134 CoverageAnalysis]: Checked inductivity of 5108 backedges. 45 proven. 5063 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 21:01:26,735 INFO L312 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2024-12-16 21:03:47,868 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2024-12-16 21:03:47,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-12-16 21:03:47,900 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-12-16 21:03:47,900 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-12-16 21:03:47,900 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-12-16 21:03:48,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-12-16 21:03:48,069 WARN L596 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 284 with TraceHistMax 69,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-7-2-2-1 context. [2024-12-16 21:03:48,070 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-12-16 21:03:48,070 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-12-16 21:03:48,074 INFO L422 BasicCegarLoop]: Path program histogram: [23, 1] [2024-12-16 21:03:48,077 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-16 21:03:48,077 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-16 21:03:48,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-12-16 21:03:48,089 INFO L201 PluginConnector]: Adding new model nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 09:03:48 BasicIcfg [2024-12-16 21:03:48,089 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-16 21:03:48,090 INFO L158 Benchmark]: Toolchain (without parser) took 803209.69ms. Allocated memory was 167.8MB in the beginning and 4.5GB in the end (delta: 4.3GB). Free memory was 95.8MB in the beginning and 3.1GB in the end (delta: -3.0GB). Peak memory consumption was 1.3GB. Max. memory is 16.0GB. [2024-12-16 21:03:48,091 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.24ms. Allocated memory is still 167.8MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 21:03:48,091 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.12ms. Allocated memory is still 167.8MB. Free memory was 95.8MB in the beginning and 94.8MB in the end (delta: 997.9kB). There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 21:03:48,091 INFO L158 Benchmark]: Boogie Preprocessor took 11.85ms. Allocated memory is still 167.8MB. Free memory was 94.8MB in the beginning and 93.9MB in the end (delta: 978.8kB). There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 21:03:48,091 INFO L158 Benchmark]: RCFGBuilder took 184.31ms. Allocated memory is still 167.8MB. Free memory was 93.9MB in the beginning and 84.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2024-12-16 21:03:48,092 INFO L158 Benchmark]: TraceAbstraction took 802987.07ms. Allocated memory was 167.8MB in the beginning and 4.5GB in the end (delta: 4.3GB). Free memory was 83.3MB in the beginning and 3.1GB in the end (delta: -3.0GB). Peak memory consumption was 1.3GB. Max. memory is 16.0GB. [2024-12-16 21:03:48,093 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 0.24ms. Allocated memory is still 167.8MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 19.12ms. Allocated memory is still 167.8MB. Free memory was 95.8MB in the beginning and 94.8MB in the end (delta: 997.9kB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 11.85ms. Allocated memory is still 167.8MB. Free memory was 94.8MB in the beginning and 93.9MB in the end (delta: 978.8kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 184.31ms. Allocated memory is still 167.8MB. Free memory was 93.9MB in the beginning and 84.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 802987.07ms. Allocated memory was 167.8MB in the beginning and 4.5GB in the end (delta: 4.3GB). Free memory was 83.3MB in the beginning and 3.1GB in the end (delta: -3.0GB). Peak memory consumption was 1.3GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7547, independent: 5509, independent conditional: 5421, independent unconditional: 88, dependent: 2038, dependent conditional: 2036, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5594, independent: 5509, independent conditional: 5421, independent unconditional: 88, dependent: 85, dependent conditional: 83, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5594, independent: 5509, independent conditional: 5421, independent unconditional: 88, dependent: 85, dependent conditional: 83, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6799, independent: 5509, independent conditional: 5421, independent unconditional: 88, dependent: 1290, dependent conditional: 1288, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6799, independent: 5509, independent conditional: 251, independent unconditional: 5258, dependent: 1290, dependent conditional: 954, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6799, independent: 5509, independent conditional: 251, independent unconditional: 5258, dependent: 1290, dependent conditional: 954, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 414, independent: 205, independent conditional: 125, independent unconditional: 80, dependent: 209, dependent conditional: 207, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 414, independent: 79, independent conditional: 0, independent unconditional: 79, dependent: 335, dependent conditional: 0, dependent unconditional: 335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 335, independent: 126, independent conditional: 125, independent unconditional: 1, dependent: 209, dependent conditional: 207, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 335, independent: 126, independent conditional: 125, independent unconditional: 1, dependent: 209, dependent conditional: 207, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5342, independent: 1887, independent conditional: 1858, independent unconditional: 29, dependent: 3455, dependent conditional: 3268, dependent unconditional: 186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 6799, independent: 5304, independent conditional: 126, independent unconditional: 5178, dependent: 1081, dependent conditional: 747, dependent unconditional: 334, unknown: 414, unknown conditional: 332, unknown unconditional: 82] , Statistics on independence cache: Total cache size (in pairs): 414, Positive cache size: 205, Positive conditional cache size: 125, Positive unconditional cache size: 80, Negative cache size: 209, Negative conditional cache size: 207, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5504, Maximal queried relation: 22, Independence queries for same thread: 1953, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 22, Number of trivial persistent sets: 18, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 90, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7547, independent: 5509, independent conditional: 5421, independent unconditional: 88, dependent: 2038, dependent conditional: 2036, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5594, independent: 5509, independent conditional: 5421, independent unconditional: 88, dependent: 85, dependent conditional: 83, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5594, independent: 5509, independent conditional: 5421, independent unconditional: 88, dependent: 85, dependent conditional: 83, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6799, independent: 5509, independent conditional: 5421, independent unconditional: 88, dependent: 1290, dependent conditional: 1288, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6799, independent: 5509, independent conditional: 251, independent unconditional: 5258, dependent: 1290, dependent conditional: 954, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6799, independent: 5509, independent conditional: 251, independent unconditional: 5258, dependent: 1290, dependent conditional: 954, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 414, independent: 205, independent conditional: 125, independent unconditional: 80, dependent: 209, dependent conditional: 207, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 414, independent: 79, independent conditional: 0, independent unconditional: 79, dependent: 335, dependent conditional: 0, dependent unconditional: 335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 335, independent: 126, independent conditional: 125, independent unconditional: 1, dependent: 209, dependent conditional: 207, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 335, independent: 126, independent conditional: 125, independent unconditional: 1, dependent: 209, dependent conditional: 207, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5342, independent: 1887, independent conditional: 1858, independent unconditional: 29, dependent: 3455, dependent conditional: 3268, dependent unconditional: 186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 6799, independent: 5304, independent conditional: 126, independent unconditional: 5178, dependent: 1081, dependent conditional: 747, dependent unconditional: 334, unknown: 414, unknown conditional: 332, unknown unconditional: 82] , Statistics on independence cache: Total cache size (in pairs): 414, Positive cache size: 205, Positive conditional cache size: 125, Positive unconditional cache size: 80, Negative cache size: 209, Negative conditional cache size: 207, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5504, Maximal queried relation: 22, Independence queries for same thread: 1953 - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 284 with TraceHistMax 69,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-7-2-2-1 context. - TimeoutResultAtElement [Line: 45]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 284 with TraceHistMax 69,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-7-2-2-1 context. - TimeoutResultAtElement [Line: 45]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 284 with TraceHistMax 69,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-7-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 23 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 802.8s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 23, EmptinessCheckTime: 439.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2281, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 191.4s InterpolantComputationTime, 5267 NumberOfCodeBlocks, 5267 NumberOfCodeBlocksAsserted, 415 NumberOfCheckSat, 7828 ConstructedInterpolants, 0 QuantifiedInterpolants, 85831 SizeOfPredicates, 77 NumberOfNonLiveVariables, 6669 ConjunctsInSsa, 2365 ConjunctsInUnsatCore, 67 InterpolantComputations, 1 PerfectInterpolantSequences, 40453/85590 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown