/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NONE -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks false -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-a343466-m [2025-01-29 21:39:27,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-29 21:39:27,456 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-29 21:39:27,463 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-29 21:39:27,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-29 21:39:27,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-29 21:39:27,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-29 21:39:27,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-29 21:39:27,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-29 21:39:27,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-29 21:39:27,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-29 21:39:27,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-29 21:39:27,486 INFO L153 SettingsManager]: * Use SBE=true [2025-01-29 21:39:27,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-29 21:39:27,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-29 21:39:27,486 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-29 21:39:27,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-29 21:39:27,486 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-29 21:39:27,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-29 21:39:27,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-29 21:39:27,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-29 21:39:27,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-29 21:39:27,486 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-29 21:39:27,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-29 21:39:27,486 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-29 21:39:27,486 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-29 21:39:27,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-29 21:39:27,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-29 21:39:27,487 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-29 21:39:27,487 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-29 21:39:27,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-29 21:39:27,487 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-29 21:39:27,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-29 21:39:27,487 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-29 21:39:27,487 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-29 21:39:27,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-29 21:39:27,487 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-29 21:39:27,487 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-29 21:39:27,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-29 21:39:27,487 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-29 21:39:27,487 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-29 21:39:27,487 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-29 21:39:27,488 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-29 21:39:27,488 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> false [2025-01-29 21:39:27,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-29 21:39:27,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-29 21:39:27,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-29 21:39:27,690 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-29 21:39:27,691 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-29 21:39:27,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl [2025-01-29 21:39:27,692 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl' [2025-01-29 21:39:27,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-29 21:39:27,708 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-29 21:39:27,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-29 21:39:27,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-29 21:39:27,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-29 21:39:27,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:39:27" (1/1) ... [2025-01-29 21:39:27,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:39:27" (1/1) ... [2025-01-29 21:39:27,724 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-29 21:39:27,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-29 21:39:27,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-29 21:39:27,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-29 21:39:27,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-29 21:39:27,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:39:27" (1/1) ... [2025-01-29 21:39:27,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:39:27" (1/1) ... [2025-01-29 21:39:27,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:39:27" (1/1) ... [2025-01-29 21:39:27,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:39:27" (1/1) ... [2025-01-29 21:39:27,731 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:39:27" (1/1) ... [2025-01-29 21:39:27,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:39:27" (1/1) ... [2025-01-29 21:39:27,733 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:39:27" (1/1) ... [2025-01-29 21:39:27,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:39:27" (1/1) ... [2025-01-29 21:39:27,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:39:27" (1/1) ... [2025-01-29 21:39:27,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-29 21:39:27,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-29 21:39:27,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-29 21:39:27,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-29 21:39:27,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:39:27" (1/1) ... [2025-01-29 21:39:27,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-29 21:39:27,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:39:27,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-29 21:39:27,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-29 21:39:27,779 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-29 21:39:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-29 21:39:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-29 21:39:27,780 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-29 21:39:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-29 21:39:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-29 21:39:27,780 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-29 21:39:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-29 21:39:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-29 21:39:27,781 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-29 21:39:27,816 INFO L234 CfgBuilder]: Building ICFG [2025-01-29 21:39:27,817 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-29 21:39:27,878 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-29 21:39:27,878 INFO L283 CfgBuilder]: Performing block encoding [2025-01-29 21:39:27,895 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-29 21:39:27,895 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-29 21:39:27,895 INFO L201 PluginConnector]: Adding new model nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 09:39:27 BoogieIcfgContainer [2025-01-29 21:39:27,895 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-29 21:39:27,900 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-29 21:39:27,900 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-29 21:39:27,903 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-29 21:39:27,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:39:27" (1/2) ... [2025-01-29 21:39:27,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6670a273 and model type nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 09:39:27, skipping insertion in model container [2025-01-29 21:39:27,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 09:39:27" (2/2) ... [2025-01-29 21:39:27,904 INFO L128 eAbstractionObserver]: Analyzing ICFG nonblocking-counter-alt2.wvr.bpl [2025-01-29 21:39:27,914 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-29 21:39:27,915 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG nonblocking-counter-alt2.wvr.bpl that has 3 procedures, 22 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-29 21:39:27,916 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-29 21:39:27,948 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-29 21:39:27,987 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-29 21:39:27,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-29 21:39:27,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:39:27,991 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-29 21:39:27,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-29 21:39:28,043 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-29 21:39:28,051 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-29 21:39:28,056 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;@55b9657f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-29 21:39:28,056 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-29 21:39:28,109 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-29 21:39:28,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:39:28,112 INFO L85 PathProgramCache]: Analyzing trace with hash -264298222, now seen corresponding path program 1 times [2025-01-29 21:39:28,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:39:28,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670682230] [2025-01-29 21:39:28,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 21:39:28,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:39:28,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-29 21:39:28,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-29 21:39:28,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 21:39:28,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:39:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:39:28,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:39:28,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670682230] [2025-01-29 21:39:28,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670682230] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 21:39:28,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 21:39:28,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-29 21:39:28,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450261098] [2025-01-29 21:39:28,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 21:39:28,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-29 21:39:28,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:39:28,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-29 21:39:28,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-29 21:39:28,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:39:28,265 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:39:28,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 21:39:28,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:39:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:28,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-29 21:39:28,311 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-29 21:39:28,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:39:28,311 INFO L85 PathProgramCache]: Analyzing trace with hash 320746608, now seen corresponding path program 1 times [2025-01-29 21:39:28,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:39:28,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508391322] [2025-01-29 21:39:28,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 21:39:28,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:39:28,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-29 21:39:28,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-29 21:39:28,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 21:39:28,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:39:28,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-29 21:39:28,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:39:28,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508391322] [2025-01-29 21:39:28,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508391322] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 21:39:28,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 21:39:28,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-29 21:39:28,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714714544] [2025-01-29 21:39:28,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 21:39:28,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-29 21:39:28,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:39:28,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-29 21:39:28,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-29 21:39:28,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:39:28,410 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:39:28,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 21:39:28,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:28,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:39:28,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:28,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:28,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-29 21:39:28,630 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-29 21:39:28,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:39:28,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1538239018, now seen corresponding path program 1 times [2025-01-29 21:39:28,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:39:28,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556156479] [2025-01-29 21:39:28,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 21:39:28,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:39:28,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-29 21:39:28,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-29 21:39:28,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 21:39:28,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:39:28,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:39:28,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:39:28,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556156479] [2025-01-29 21:39:28,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556156479] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:39:28,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215716311] [2025-01-29 21:39:28,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 21:39:28,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:39:28,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:39:28,804 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-29 21:39:28,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-29 21:39:28,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-29 21:39:28,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-29 21:39:28,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 21:39:28,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:39:28,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-29 21:39:28,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:39:29,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:39:29,068 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:39:29,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:39:29,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215716311] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:39:29,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:39:29,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2025-01-29 21:39:29,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848292591] [2025-01-29 21:39:29,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:39:29,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-29 21:39:29,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:39:29,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-29 21:39:29,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-01-29 21:39:29,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:39:29,257 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:39:29,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 21:39:29,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:29,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:29,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:39:29,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:29,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:29,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-29 21:39:29,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-29 21:39:29,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:39:29,547 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-29 21:39:29,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:39:29,547 INFO L85 PathProgramCache]: Analyzing trace with hash 2048170876, now seen corresponding path program 2 times [2025-01-29 21:39:29,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:39:29,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052289766] [2025-01-29 21:39:29,548 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-29 21:39:29,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:39:29,551 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-01-29 21:39:29,558 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-01-29 21:39:29,558 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-29 21:39:29,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:39:29,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-29 21:39:29,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:39:29,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052289766] [2025-01-29 21:39:29,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052289766] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:39:29,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948816428] [2025-01-29 21:39:29,664 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-29 21:39:29,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:39:29,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:39:29,666 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-29 21:39:29,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-29 21:39:29,686 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-01-29 21:39:29,694 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-01-29 21:39:29,694 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-29 21:39:29,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:39:29,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-29 21:39:29,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:39:29,789 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:39:29,790 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:39:29,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:39:29,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948816428] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:39:29,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:39:29,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 15 [2025-01-29 21:39:29,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753415899] [2025-01-29 21:39:29,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:39:29,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-29 21:39:29,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:39:29,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-29 21:39:29,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2025-01-29 21:39:29,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:39:29,883 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:39:29,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 15 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 21:39:29,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:29,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:29,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-29 21:39:29,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:39:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-29 21:39:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-29 21:39:30,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-29 21:39:30,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:39:30,398 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-29 21:39:30,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:39:30,398 INFO L85 PathProgramCache]: Analyzing trace with hash -814643046, now seen corresponding path program 3 times [2025-01-29 21:39:30,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:39:30,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992915627] [2025-01-29 21:39:30,398 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-29 21:39:30,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:39:30,401 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 23 statements into 3 equivalence classes. [2025-01-29 21:39:30,406 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 23 of 23 statements. [2025-01-29 21:39:30,406 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-29 21:39:30,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:39:30,602 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:39:30,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:39:30,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992915627] [2025-01-29 21:39:30,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992915627] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:39:30,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94130091] [2025-01-29 21:39:30,602 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-29 21:39:30,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:39:30,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:39:30,605 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) [2025-01-29 21:39:30,606 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 [2025-01-29 21:39:30,622 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 23 statements into 3 equivalence classes. [2025-01-29 21:39:30,629 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 23 of 23 statements. [2025-01-29 21:39:30,629 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-29 21:39:30,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:39:30,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-29 21:39:30,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:39:30,800 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:39:30,800 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:39:30,950 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:39:30,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94130091] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:39:30,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:39:30,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 22 [2025-01-29 21:39:30,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787981081] [2025-01-29 21:39:30,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:39:30,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-29 21:39:30,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:39:30,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-29 21:39:30,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2025-01-29 21:39:30,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:39:30,951 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:39:30,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.227272727272727) internal successors, (49), 22 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 21:39:30,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:30,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:30,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-29 21:39:30,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-29 21:39:30,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:39:31,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:31,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:31,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-29 21:39:31,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-29 21:39:31,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-29 21:39:31,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-29 21:39:31,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:39:31,769 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-29 21:39:31,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:39:31,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1448613854, now seen corresponding path program 4 times [2025-01-29 21:39:31,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:39:31,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500974820] [2025-01-29 21:39:31,770 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-29 21:39:31,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:39:31,775 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 31 statements into 2 equivalence classes. [2025-01-29 21:39:31,786 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-29 21:39:31,786 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-29 21:39:31,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:39:32,139 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-29 21:39:32,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:39:32,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500974820] [2025-01-29 21:39:32,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500974820] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:39:32,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991866720] [2025-01-29 21:39:32,139 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-29 21:39:32,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:39:32,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:39:32,142 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) [2025-01-29 21:39:32,143 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 [2025-01-29 21:39:32,160 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 31 statements into 2 equivalence classes. [2025-01-29 21:39:32,170 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-29 21:39:32,170 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-29 21:39:32,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:39:32,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-29 21:39:32,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:39:32,507 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:39:32,507 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:39:32,944 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:39:32,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991866720] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:39:32,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:39:32,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 31 [2025-01-29 21:39:32,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034897813] [2025-01-29 21:39:32,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:39:32,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-01-29 21:39:32,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:39:32,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-01-29 21:39:32,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=768, Unknown=0, NotChecked=0, Total=930 [2025-01-29 21:39:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:39:32,946 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:39:32,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.2580645161290325) internal successors, (70), 31 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 21:39:32,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:32,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:32,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-29 21:39:32,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-29 21:39:32,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-29 21:39:32,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:39:34,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:34,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:34,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-29 21:39:34,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-29 21:39:34,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-29 21:39:34,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-29 21:39:34,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-29 21:39:34,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:39:34,819 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-29 21:39:34,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:39:34,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1854104944, now seen corresponding path program 5 times [2025-01-29 21:39:34,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:39:34,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343549764] [2025-01-29 21:39:34,822 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-29 21:39:34,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:39:34,833 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 49 statements into 9 equivalence classes. [2025-01-29 21:39:34,875 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 49 of 49 statements. [2025-01-29 21:39:34,875 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-01-29 21:39:34,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:39:35,506 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-29 21:39:35,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:39:35,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343549764] [2025-01-29 21:39:35,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343549764] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:39:35,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640472175] [2025-01-29 21:39:35,506 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-29 21:39:35,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:39:35,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:39:35,509 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) [2025-01-29 21:39:35,528 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 [2025-01-29 21:39:35,542 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 49 statements into 9 equivalence classes. [2025-01-29 21:39:35,563 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 49 of 49 statements. [2025-01-29 21:39:35,563 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-01-29 21:39:35,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:39:35,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-29 21:39:35,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:39:36,258 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 40 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:39:36,258 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:39:36,550 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-01-29 21:39:36,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640472175] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:39:36,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:39:36,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21, 7] total 41 [2025-01-29 21:39:36,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378201250] [2025-01-29 21:39:36,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:39:36,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2025-01-29 21:39:36,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:39:36,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2025-01-29 21:39:36,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1481, Unknown=0, NotChecked=0, Total=1640 [2025-01-29 21:39:36,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:39:36,552 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:39:36,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 2.341463414634146) internal successors, (96), 41 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 21:39:36,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:36,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:36,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-29 21:39:36,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-29 21:39:36,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-29 21:39:36,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-29 21:39:36,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:39:39,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:39,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:39,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-29 21:39:39,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:39:39,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-29 21:39:39,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-29 21:39:39,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-29 21:39:39,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-29 21:39:39,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:39:39,938 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-29 21:39:39,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:39:39,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1793656172, now seen corresponding path program 6 times [2025-01-29 21:39:39,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:39:39,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248991253] [2025-01-29 21:39:39,938 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-29 21:39:39,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:39:39,941 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 53 statements into 10 equivalence classes. [2025-01-29 21:39:39,981 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 53 of 53 statements. [2025-01-29 21:39:39,981 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-01-29 21:39:39,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:39:41,052 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-29 21:39:41,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:39:41,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248991253] [2025-01-29 21:39:41,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248991253] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:39:41,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560187607] [2025-01-29 21:39:41,052 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-29 21:39:41,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:39:41,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:39:41,054 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) [2025-01-29 21:39:41,054 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 [2025-01-29 21:39:41,072 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 53 statements into 10 equivalence classes. [2025-01-29 21:39:41,089 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 53 of 53 statements. [2025-01-29 21:39:41,089 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-01-29 21:39:41,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:39:41,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 44 conjuncts are in the unsatisfiable core [2025-01-29 21:39:41,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:39:41,790 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-29 21:39:41,790 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:39:44,708 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:39:44,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560187607] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:39:44,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:39:44,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 23] total 61 [2025-01-29 21:39:44,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621015608] [2025-01-29 21:39:44,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:39:44,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2025-01-29 21:39:44,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:39:44,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2025-01-29 21:39:44,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=606, Invalid=3054, Unknown=0, NotChecked=0, Total=3660 [2025-01-29 21:39:44,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:39:44,710 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:39:44,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 2.1147540983606556) internal successors, (129), 61 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 21:39:44,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:44,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:44,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-29 21:39:44,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:39:44,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-29 21:39:44,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-29 21:39:44,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-29 21:39:44,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:39:51,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:51,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:39:51,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-29 21:39:51,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:39:51,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-29 21:39:51,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-29 21:39:51,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-01-29 21:39:51,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-01-29 21:39:51,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-29 21:39:52,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:39:52,039 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-29 21:39:52,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:39:52,039 INFO L85 PathProgramCache]: Analyzing trace with hash 599520866, now seen corresponding path program 7 times [2025-01-29 21:39:52,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:39:52,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465643813] [2025-01-29 21:39:52,039 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-29 21:39:52,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:39:52,043 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-01-29 21:39:52,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-01-29 21:39:52,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 21:39:52,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:39:53,533 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-01-29 21:39:53,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:39:53,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465643813] [2025-01-29 21:39:53,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465643813] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:39:53,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975724691] [2025-01-29 21:39:53,534 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-29 21:39:53,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:39:53,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:39:53,536 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) [2025-01-29 21:39:53,538 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 [2025-01-29 21:39:53,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-01-29 21:39:53,592 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-01-29 21:39:53,592 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 21:39:53,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:39:53,600 WARN L254 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 121 conjuncts are in the unsatisfiable core [2025-01-29 21:39:53,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:39:56,078 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 761 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:39:56,078 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:40:04,940 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 761 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:40:04,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975724691] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:40:04,940 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:40:04,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 46, 46] total 99 [2025-01-29 21:40:04,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939920685] [2025-01-29 21:40:04,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:40:04,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2025-01-29 21:40:04,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:40:04,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2025-01-29 21:40:04,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2215, Invalid=7685, Unknown=0, NotChecked=0, Total=9900 [2025-01-29 21:40:04,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:40:04,945 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:40:04,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 2.05) internal successors, (205), 99 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 21:40:04,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:40:04,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:40:04,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-29 21:40:04,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:40:04,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-29 21:40:04,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-29 21:40:04,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-01-29 21:40:04,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-01-29 21:40:04,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:40:16,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:40:16,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:40:16,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-29 21:40:16,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:40:16,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-29 21:40:16,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-29 21:40:16,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-01-29 21:40:16,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-01-29 21:40:16,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-01-29 21:40:16,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-29 21:40:16,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:40:16,963 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-29 21:40:16,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:40:16,964 INFO L85 PathProgramCache]: Analyzing trace with hash -608872640, now seen corresponding path program 8 times [2025-01-29 21:40:16,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:40:16,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191982061] [2025-01-29 21:40:16,964 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-29 21:40:16,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:40:16,967 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 105 statements into 2 equivalence classes. [2025-01-29 21:40:16,976 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 105 of 105 statements. [2025-01-29 21:40:16,976 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-29 21:40:16,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:40:17,536 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2025-01-29 21:40:17,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:40:17,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191982061] [2025-01-29 21:40:17,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191982061] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:40:17,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922572233] [2025-01-29 21:40:17,537 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-29 21:40:17,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:40:17,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:40:17,539 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) [2025-01-29 21:40:17,539 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 [2025-01-29 21:40:17,560 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 105 statements into 2 equivalence classes. [2025-01-29 21:40:17,590 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 105 of 105 statements. [2025-01-29 21:40:17,590 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-29 21:40:17,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:40:17,592 WARN L254 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 133 conjuncts are in the unsatisfiable core [2025-01-29 21:40:17,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:40:20,181 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 884 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:40:20,181 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:40:32,011 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 884 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:40:32,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922572233] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:40:32,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:40:32,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 50, 51] total 105 [2025-01-29 21:40:32,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642524585] [2025-01-29 21:40:32,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:40:32,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2025-01-29 21:40:32,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:40:32,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2025-01-29 21:40:32,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1842, Invalid=9288, Unknown=0, NotChecked=0, Total=11130 [2025-01-29 21:40:32,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:40:32,015 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:40:32,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 2.1037735849056602) internal successors, (223), 105 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 21:40:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:40:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:40:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-29 21:40:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:40:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-29 21:40:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-29 21:40:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-01-29 21:40:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-01-29 21:40:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-01-29 21:40:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:41:43,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:41:43,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:41:43,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-29 21:41:43,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:41:43,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-29 21:41:43,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-29 21:41:43,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-01-29 21:41:43,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-01-29 21:41:43,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-01-29 21:41:43,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2025-01-29 21:41:43,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-29 21:41:43,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:41:43,665 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-29 21:41:43,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:41:43,666 INFO L85 PathProgramCache]: Analyzing trace with hash 2020449762, now seen corresponding path program 9 times [2025-01-29 21:41:43,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:41:43,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36381103] [2025-01-29 21:41:43,666 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-29 21:41:43,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:41:43,670 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 111 statements into 23 equivalence classes. [2025-01-29 21:41:43,803 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) and asserted 111 of 111 statements. [2025-01-29 21:41:43,803 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2025-01-29 21:41:43,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:41:47,262 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 0 proven. 973 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:41:47,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:41:47,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36381103] [2025-01-29 21:41:47,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36381103] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:41:47,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104676699] [2025-01-29 21:41:47,263 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-29 21:41:47,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:41:47,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:41:47,264 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) [2025-01-29 21:41:47,265 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 [2025-01-29 21:41:47,285 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 111 statements into 23 equivalence classes. [2025-01-29 21:41:47,342 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) and asserted 111 of 111 statements. [2025-01-29 21:41:47,342 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2025-01-29 21:41:47,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:41:47,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 127 conjuncts are in the unsatisfiable core [2025-01-29 21:41:47,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:41:50,822 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 0 proven. 973 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:41:50,822 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:42:52,640 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 0 proven. 973 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:42:52,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104676699] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:42:52,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:42:52,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 55, 54] total 160 [2025-01-29 21:42:52,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020189789] [2025-01-29 21:42:52,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:42:52,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 160 states [2025-01-29 21:42:52,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:42:52,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2025-01-29 21:42:52,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3046, Invalid=22394, Unknown=0, NotChecked=0, Total=25440 [2025-01-29 21:42:52,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:42:52,646 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:42:52,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 160 states, 160 states have (on average 2.01875) internal successors, (323), 160 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 21:42:52,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:42:52,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:42:52,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-29 21:42:52,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:42:52,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-29 21:42:52,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-29 21:42:52,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-01-29 21:42:52,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-01-29 21:42:52,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2025-01-29 21:42:52,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2025-01-29 21:42:52,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:45:36,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:45:36,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:45:36,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-29 21:45:36,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:45:36,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-29 21:45:36,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-29 21:45:36,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-01-29 21:45:36,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-01-29 21:45:36,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-01-29 21:45:36,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2025-01-29 21:45:36,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 461 states. [2025-01-29 21:45:36,798 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-29 21:45:36,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:45:36,993 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-29 21:45:36,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:45:36,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1266038970, now seen corresponding path program 10 times [2025-01-29 21:45:36,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:45:36,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861436692] [2025-01-29 21:45:36,994 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-29 21:45:36,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:45:36,999 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 199 statements into 2 equivalence classes. [2025-01-29 21:45:37,100 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-01-29 21:45:37,100 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-29 21:45:37,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:45:42,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3877 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2025-01-29 21:45:42,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:45:42,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861436692] [2025-01-29 21:45:42,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861436692] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:45:42,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774260163] [2025-01-29 21:45:42,632 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-29 21:45:42,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:45:42,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:45:42,634 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) [2025-01-29 21:45:42,635 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 [2025-01-29 21:45:42,663 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 199 statements into 2 equivalence classes. [2025-01-29 21:45:42,772 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-01-29 21:45:42,772 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-29 21:45:42,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:45:42,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 190 conjuncts are in the unsatisfiable core [2025-01-29 21:45:42,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:45:47,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3877 backedges. 0 proven. 3877 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:45:47,972 INFO L312 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2025-01-29 21:53:43,354 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2025-01-29 21:53:43,366 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 [2025-01-29 21:53:43,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-29 21:53:43,373 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 [2025-01-29 21:53:43,379 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-01-29 21:53:43,555 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,SelfDestructingSolverStorable11 [2025-01-29 21:53:43,555 WARN L596 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 200 with TraceHistMax 46,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-76-3-1 context. [2025-01-29 21:53:43,557 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2025-01-29 21:53:43,557 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-01-29 21:53:43,560 INFO L422 BasicCegarLoop]: Path program histogram: [10, 1, 1] [2025-01-29 21:53:43,562 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-29 21:53:43,562 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-29 21:53:43,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-01-29 21:53:43,571 INFO L201 PluginConnector]: Adding new model nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 09:53:43 BasicIcfg [2025-01-29 21:53:43,571 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-29 21:53:43,572 INFO L158 Benchmark]: Toolchain (without parser) took 855863.59ms. Allocated memory was 167.8MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 95.5MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.2GB. Max. memory is 16.0GB. [2025-01-29 21:53:43,572 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.18ms. Allocated memory is still 167.8MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-29 21:53:43,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.00ms. Allocated memory is still 167.8MB. Free memory was 95.5MB in the beginning and 93.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-29 21:53:43,572 INFO L158 Benchmark]: Boogie Preprocessor took 9.08ms. Allocated memory is still 167.8MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-29 21:53:43,573 INFO L158 Benchmark]: RCFGBuilder took 162.00ms. Allocated memory is still 167.8MB. Free memory was 93.4MB in the beginning and 84.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-01-29 21:53:43,573 INFO L158 Benchmark]: TraceAbstraction took 855671.70ms. Allocated memory was 167.8MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 83.4MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.2GB. Max. memory is 16.0GB. [2025-01-29 21:53:43,574 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 0.18ms. Allocated memory is still 167.8MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 16.00ms. Allocated memory is still 167.8MB. Free memory was 95.5MB in the beginning and 93.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 9.08ms. Allocated memory is still 167.8MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 162.00ms. Allocated memory is still 167.8MB. Free memory was 93.4MB in the beginning and 84.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 855671.70ms. Allocated memory was 167.8MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 83.4MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.2GB. 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: 3613, independent: 2155, independent conditional: 2042, independent unconditional: 113, dependent: 1458, dependent conditional: 1456, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2162, independent: 2155, independent conditional: 2042, independent unconditional: 113, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2162, independent: 2155, independent conditional: 2042, independent unconditional: 113, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2211, independent: 2155, independent conditional: 2042, independent unconditional: 113, dependent: 56, dependent conditional: 54, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2211, independent: 2155, independent conditional: 3, independent unconditional: 2152, dependent: 56, dependent conditional: 46, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2211, independent: 2155, independent conditional: 3, independent unconditional: 2152, dependent: 56, dependent conditional: 46, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 129, independent: 107, independent conditional: 1, independent unconditional: 106, dependent: 22, dependent conditional: 20, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 129, independent: 105, independent conditional: 0, independent unconditional: 105, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 2, independent conditional: 1, independent unconditional: 1, dependent: 22, dependent conditional: 20, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 2, independent conditional: 1, independent unconditional: 1, dependent: 22, dependent conditional: 20, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 493, independent: 37, independent conditional: 17, independent unconditional: 20, dependent: 456, dependent conditional: 300, dependent unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2211, independent: 2048, independent conditional: 2, independent unconditional: 2046, dependent: 34, dependent conditional: 26, dependent unconditional: 8, unknown: 129, unknown conditional: 21, unknown unconditional: 108] , Statistics on independence cache: Total cache size (in pairs): 129, Positive cache size: 107, Positive conditional cache size: 1, Positive unconditional cache size: 106, Negative cache size: 22, Negative conditional cache size: 20, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2047, Maximal queried relation: 9, Independence queries for same thread: 1451, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 29, Number of trivial persistent sets: 23, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 115, independent: 113, independent conditional: 0, independent unconditional: 113, 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: 3613, independent: 2155, independent conditional: 2042, independent unconditional: 113, dependent: 1458, dependent conditional: 1456, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2162, independent: 2155, independent conditional: 2042, independent unconditional: 113, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2162, independent: 2155, independent conditional: 2042, independent unconditional: 113, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2211, independent: 2155, independent conditional: 2042, independent unconditional: 113, dependent: 56, dependent conditional: 54, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2211, independent: 2155, independent conditional: 3, independent unconditional: 2152, dependent: 56, dependent conditional: 46, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2211, independent: 2155, independent conditional: 3, independent unconditional: 2152, dependent: 56, dependent conditional: 46, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 129, independent: 107, independent conditional: 1, independent unconditional: 106, dependent: 22, dependent conditional: 20, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 129, independent: 105, independent conditional: 0, independent unconditional: 105, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 2, independent conditional: 1, independent unconditional: 1, dependent: 22, dependent conditional: 20, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 2, independent conditional: 1, independent unconditional: 1, dependent: 22, dependent conditional: 20, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 493, independent: 37, independent conditional: 17, independent unconditional: 20, dependent: 456, dependent conditional: 300, dependent unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2211, independent: 2048, independent conditional: 2, independent unconditional: 2046, dependent: 34, dependent conditional: 26, dependent unconditional: 8, unknown: 129, unknown conditional: 21, unknown unconditional: 108] , Statistics on independence cache: Total cache size (in pairs): 129, Positive cache size: 107, Positive conditional cache size: 1, Positive unconditional cache size: 106, Negative cache size: 22, Negative conditional cache size: 20, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2047, Maximal queried relation: 9, Independence queries for same thread: 1451 - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 200 with TraceHistMax 46,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-76-3-1 context. - TimeoutResultAtElement [Line: 46]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 200 with TraceHistMax 46,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-76-3-1 context. - TimeoutResultAtElement [Line: 46]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 200 with TraceHistMax 46,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-76-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 32 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 855.5s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 260.7s, 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: 1023, 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: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 105.5s InterpolantComputationTime, 1046 NumberOfCodeBlocks, 1046 NumberOfCodeBlocksAsserted, 106 NumberOfCheckSat, 1524 ConstructedInterpolants, 0 QuantifiedInterpolants, 73715 SizeOfPredicates, 61 NumberOfNonLiveVariables, 1191 ConjunctsInSsa, 505 ConjunctsInUnsatCore, 29 InterpolantComputations, 2 PerfectInterpolantSequences, 1591/8818 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