/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/array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-a343466-m [2025-01-29 21:18:36,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-29 21:18:36,215 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 21:18:36,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-29 21:18:36,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-29 21:18:36,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-29 21:18:36,231 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-29 21:18:36,231 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-29 21:18:36,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-29 21:18:36,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-29 21:18:36,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-29 21:18:36,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-29 21:18:36,231 INFO L153 SettingsManager]: * Use SBE=true [2025-01-29 21:18:36,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-29 21:18:36,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-29 21:18:36,232 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-29 21:18:36,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-29 21:18:36,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-29 21:18:36,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-29 21:18:36,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-29 21:18:36,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-29 21:18:36,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-29 21:18:36,232 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-29 21:18:36,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-29 21:18:36,232 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-29 21:18:36,232 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-29 21:18:36,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-29 21:18:36,232 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-29 21:18:36,232 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-29 21:18:36,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-29 21:18:36,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-29 21:18:36,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-29 21:18:36,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-29 21:18:36,233 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-29 21:18:36,233 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-29 21:18:36,233 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-29 21:18:36,233 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-29 21:18:36,233 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-29 21:18:36,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-29 21:18:36,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-29 21:18:36,233 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-29 21:18:36,233 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-29 21:18:36,233 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-29 21:18:36,233 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 21:18:36,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-29 21:18:36,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-29 21:18:36,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-29 21:18:36,455 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-29 21:18:36,457 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-29 21:18:36,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl [2025-01-29 21:18:36,459 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl' [2025-01-29 21:18:36,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-29 21:18:36,472 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-29 21:18:36,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-29 21:18:36,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-29 21:18:36,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-29 21:18:36,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:18:36" (1/1) ... [2025-01-29 21:18:36,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:18:36" (1/1) ... [2025-01-29 21:18:36,488 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-29 21:18:36,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-29 21:18:36,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-29 21:18:36,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-29 21:18:36,490 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-29 21:18:36,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:18:36" (1/1) ... [2025-01-29 21:18:36,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:18:36" (1/1) ... [2025-01-29 21:18:36,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:18:36" (1/1) ... [2025-01-29 21:18:36,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:18:36" (1/1) ... [2025-01-29 21:18:36,496 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:18:36" (1/1) ... [2025-01-29 21:18:36,497 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:18:36" (1/1) ... [2025-01-29 21:18:36,500 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:18:36" (1/1) ... [2025-01-29 21:18:36,500 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:18:36" (1/1) ... [2025-01-29 21:18:36,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:18:36" (1/1) ... [2025-01-29 21:18:36,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-29 21:18:36,503 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-29 21:18:36,503 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-29 21:18:36,503 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-29 21:18:36,504 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:18:36" (1/1) ... [2025-01-29 21:18:36,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-29 21:18:36,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:18:36,532 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 21:18:36,534 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 21:18:36,553 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-29 21:18:36,554 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-29 21:18:36,554 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-29 21:18:36,554 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-29 21:18:36,554 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-29 21:18:36,554 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-29 21:18:36,554 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-29 21:18:36,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-29 21:18:36,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-29 21:18:36,554 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-01-29 21:18:36,554 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-29 21:18:36,554 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-29 21:18:36,559 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 21:18:36,592 INFO L234 CfgBuilder]: Building ICFG [2025-01-29 21:18:36,593 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-29 21:18:36,658 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-29 21:18:36,659 INFO L283 CfgBuilder]: Performing block encoding [2025-01-29 21:18:36,666 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-29 21:18:36,666 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-29 21:18:36,667 INFO L201 PluginConnector]: Adding new model array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 09:18:36 BoogieIcfgContainer [2025-01-29 21:18:36,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-29 21:18:36,672 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-29 21:18:36,672 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-29 21:18:36,675 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-29 21:18:36,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 09:18:36" (1/2) ... [2025-01-29 21:18:36,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c85a01 and model type array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 09:18:36, skipping insertion in model container [2025-01-29 21:18:36,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 09:18:36" (2/2) ... [2025-01-29 21:18:36,677 INFO L128 eAbstractionObserver]: Analyzing ICFG array-sum.wvr.bpl [2025-01-29 21:18:36,686 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-29 21:18:36,687 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG array-sum.wvr.bpl that has 4 procedures, 30 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2025-01-29 21:18:36,687 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-29 21:18:36,720 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-29 21:18:36,748 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-29 21:18:36,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-29 21:18:36,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:18:36,756 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 21:18:36,762 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 21:18:36,813 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-29 21:18:36,820 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-29 21:18:36,830 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;@5215cba8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-29 21:18:36,830 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-29 21:18:36,917 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:18:36,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:18:36,921 INFO L85 PathProgramCache]: Analyzing trace with hash 335102580, now seen corresponding path program 1 times [2025-01-29 21:18:36,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:18:36,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612635364] [2025-01-29 21:18:36,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 21:18:36,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:18:36,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-29 21:18:36,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-29 21:18:36,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 21:18:36,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:37,037 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 21:18:37,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:18:37,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612635364] [2025-01-29 21:18:37,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612635364] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 21:18:37,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 21:18:37,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-29 21:18:37,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132882693] [2025-01-29 21:18:37,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 21:18:37,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-29 21:18:37,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:18:37,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-29 21:18:37,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-29 21:18:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:37,057 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:18:37,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 21:18:37,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:37,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:37,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-29 21:18:37,077 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:18:37,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:18:37,077 INFO L85 PathProgramCache]: Analyzing trace with hash -355024957, now seen corresponding path program 1 times [2025-01-29 21:18:37,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:18:37,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994451687] [2025-01-29 21:18:37,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 21:18:37,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:18:37,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-29 21:18:37,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-29 21:18:37,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 21:18:37,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:37,241 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 21:18:37,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:18:37,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994451687] [2025-01-29 21:18:37,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994451687] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 21:18:37,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 21:18:37,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-29 21:18:37,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750076271] [2025-01-29 21:18:37,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 21:18:37,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-29 21:18:37,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:18:37,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-29 21:18:37,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-29 21:18:37,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:37,243 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:18:37,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 21:18:37,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:37,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:37,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:37,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:37,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-29 21:18:37,334 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:18:37,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:18:37,334 INFO L85 PathProgramCache]: Analyzing trace with hash -376704537, now seen corresponding path program 1 times [2025-01-29 21:18:37,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:18:37,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292730822] [2025-01-29 21:18:37,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 21:18:37,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:18:37,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-29 21:18:37,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-29 21:18:37,348 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 21:18:37,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:37,426 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 21:18:37,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:18:37,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292730822] [2025-01-29 21:18:37,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292730822] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 21:18:37,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 21:18:37,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-29 21:18:37,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451407394] [2025-01-29 21:18:37,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 21:18:37,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-29 21:18:37,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:18:37,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-29 21:18:37,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-29 21:18:37,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:37,428 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:18:37,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 21:18:37,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:37,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:37,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:37,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:37,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:37,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:37,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-29 21:18:37,489 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:18:37,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:18:37,489 INFO L85 PathProgramCache]: Analyzing trace with hash -98931126, now seen corresponding path program 1 times [2025-01-29 21:18:37,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:18:37,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498314244] [2025-01-29 21:18:37,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 21:18:37,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:18:37,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-29 21:18:37,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-29 21:18:37,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 21:18:37,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:38,099 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 21:18:38,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:18:38,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498314244] [2025-01-29 21:18:38,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498314244] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 21:18:38,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 21:18:38,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-29 21:18:38,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590410773] [2025-01-29 21:18:38,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 21:18:38,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-29 21:18:38,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:18:38,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-29 21:18:38,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-29 21:18:38,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:38,100 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:18:38,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 21:18:38,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:38,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:38,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:38,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:38,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-29 21:18:38,312 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:18:38,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:18:38,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1493367853, now seen corresponding path program 2 times [2025-01-29 21:18:38,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:18:38,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876056017] [2025-01-29 21:18:38,313 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-29 21:18:38,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:18:38,320 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 27 statements into 2 equivalence classes. [2025-01-29 21:18:38,324 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 27 of 27 statements. [2025-01-29 21:18:38,324 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-29 21:18:38,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:38,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:18:38,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:18:38,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876056017] [2025-01-29 21:18:38,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876056017] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 21:18:38,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 21:18:38,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-29 21:18:38,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277026907] [2025-01-29 21:18:38,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 21:18:38,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-29 21:18:38,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:18:38,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-29 21:18:38,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-01-29 21:18:38,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:38,400 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:18:38,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 21:18:38,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:38,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:38,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:38,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:38,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:38,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:38,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:38,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:38,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:38,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:38,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-29 21:18:38,497 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:18:38,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:18:38,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1842949777, now seen corresponding path program 3 times [2025-01-29 21:18:38,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:18:38,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160960307] [2025-01-29 21:18:38,498 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-29 21:18:38,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:18:38,500 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 27 statements into 2 equivalence classes. [2025-01-29 21:18:38,503 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 27 of 27 statements. [2025-01-29 21:18:38,503 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-29 21:18:38,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:38,576 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 21:18:38,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:18:38,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160960307] [2025-01-29 21:18:38,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160960307] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:18:38,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201587404] [2025-01-29 21:18:38,576 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-29 21:18:38,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:18:38,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:18:38,578 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 21:18:38,580 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 21:18:38,600 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 27 statements into 2 equivalence classes. [2025-01-29 21:18:38,607 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 27 of 27 statements. [2025-01-29 21:18:38,607 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-29 21:18:38,607 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:38,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-29 21:18:38,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:18:38,699 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 21:18:38,699 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:18:38,794 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 21:18:38,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201587404] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:18:38,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:18:38,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2025-01-29 21:18:38,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246996229] [2025-01-29 21:18:38,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:18:38,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-29 21:18:38,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:18:38,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-29 21:18:38,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2025-01-29 21:18:38,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:38,796 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:18:38,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 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 21:18:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:39,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:39,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:39,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:39,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:39,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:39,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-29 21:18:39,074 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 21:18:39,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-01-29 21:18:39,267 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:18:39,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:18:39,268 INFO L85 PathProgramCache]: Analyzing trace with hash 306248032, now seen corresponding path program 4 times [2025-01-29 21:18:39,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:18:39,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358979588] [2025-01-29 21:18:39,268 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-29 21:18:39,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:18:39,271 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 30 statements into 2 equivalence classes. [2025-01-29 21:18:39,279 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-29 21:18:39,279 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-29 21:18:39,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:39,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:18:39,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:18:39,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358979588] [2025-01-29 21:18:39,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358979588] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:18:39,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720192500] [2025-01-29 21:18:39,766 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-29 21:18:39,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:18:39,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:18:39,774 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 21:18:39,775 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 21:18:39,799 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 30 statements into 2 equivalence classes. [2025-01-29 21:18:39,807 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-29 21:18:39,807 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-29 21:18:39,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:39,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-29 21:18:39,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:18:40,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2025-01-29 21:18:40,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:18:40,116 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:18:40,290 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:18:40,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 37 treesize of output 62 [2025-01-29 21:18:40,317 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:18:40,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 25 treesize of output 50 [2025-01-29 21:18:40,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:18:40,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720192500] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:18:40,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:18:40,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 30 [2025-01-29 21:18:40,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970251272] [2025-01-29 21:18:40,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:18:40,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-01-29 21:18:40,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:18:40,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-01-29 21:18:40,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=810, Unknown=0, NotChecked=0, Total=930 [2025-01-29 21:18:40,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:40,477 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:18:40,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.2903225806451615) internal successors, (71), 30 states have internal predecessors, (71), 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 21:18:40,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:40,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:40,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:40,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:40,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:40,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-29 21:18:40,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:41,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-29 21:18:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:18:41,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-29 21:18:41,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:18:41,591 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:18:41,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:18:41,592 INFO L85 PathProgramCache]: Analyzing trace with hash -2082710538, now seen corresponding path program 5 times [2025-01-29 21:18:41,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:18:41,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971182125] [2025-01-29 21:18:41,592 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-29 21:18:41,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:18:41,597 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 36 statements into 3 equivalence classes. [2025-01-29 21:18:41,611 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 36 of 36 statements. [2025-01-29 21:18:41,611 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-01-29 21:18:41,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:41,989 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-29 21:18:41,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:18:41,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971182125] [2025-01-29 21:18:41,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971182125] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:18:41,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462713717] [2025-01-29 21:18:41,990 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-29 21:18:41,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:18:41,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:18:41,995 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 21:18:41,998 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 21:18:42,017 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 36 statements into 3 equivalence classes. [2025-01-29 21:18:42,024 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 36 of 36 statements. [2025-01-29 21:18:42,024 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-01-29 21:18:42,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:42,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-01-29 21:18:42,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:18:42,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2025-01-29 21:18:42,432 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:18:42,432 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:18:42,695 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:18:42,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 57 treesize of output 122 [2025-01-29 21:18:42,740 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:18:42,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 37 treesize of output 102 [2025-01-29 21:18:43,025 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:18:43,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462713717] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:18:43,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:18:43,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 15] total 36 [2025-01-29 21:18:43,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358138391] [2025-01-29 21:18:43,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:18:43,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-01-29 21:18:43,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:18:43,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-01-29 21:18:43,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1180, Unknown=0, NotChecked=0, Total=1332 [2025-01-29 21:18:43,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:43,027 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:18:43,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.135135135135135) internal successors, (79), 36 states have internal predecessors, (79), 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 21:18:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-29 21:18:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:18:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:44,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:44,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:44,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:44,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:44,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:44,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:18:44,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:44,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:18:44,428 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 21:18:44,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:18:44,627 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:18:44,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:18:44,627 INFO L85 PathProgramCache]: Analyzing trace with hash 309948262, now seen corresponding path program 1 times [2025-01-29 21:18:44,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:18:44,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594320370] [2025-01-29 21:18:44,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 21:18:44,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:18:44,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-29 21:18:44,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-29 21:18:44,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 21:18:44,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:44,662 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 21:18:44,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:18:44,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594320370] [2025-01-29 21:18:44,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594320370] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:18:44,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474929712] [2025-01-29 21:18:44,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 21:18:44,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:18:44,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:18:44,664 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 21:18:44,665 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 21:18:44,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-29 21:18:44,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-29 21:18:44,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 21:18:44,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:44,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-29 21:18:44,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:18:44,745 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 21:18:44,745 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:18:44,789 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 21:18:44,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474929712] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:18:44,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:18:44,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2025-01-29 21:18:44,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767498150] [2025-01-29 21:18:44,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:18:44,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-29 21:18:44,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:18:44,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-29 21:18:44,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-01-29 21:18:44,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:44,790 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:18:44,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 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 21:18:44,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:44,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:44,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:44,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:44,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:44,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:18:44,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:44,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:18:44,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:44,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:44,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:44,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:44,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:44,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:44,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:18:44,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:44,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:18:44,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:18:44,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-29 21:18:45,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:18:45,133 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:18:45,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:18:45,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1870284725, now seen corresponding path program 2 times [2025-01-29 21:18:45,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:18:45,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120779034] [2025-01-29 21:18:45,134 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-29 21:18:45,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:18:45,137 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 30 statements into 2 equivalence classes. [2025-01-29 21:18:45,143 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-01-29 21:18:45,144 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-29 21:18:45,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:45,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:18:45,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:18:45,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120779034] [2025-01-29 21:18:45,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120779034] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:18:45,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055913018] [2025-01-29 21:18:45,438 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-29 21:18:45,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:18:45,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:18:45,440 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 21:18:45,441 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 21:18:45,456 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 30 statements into 2 equivalence classes. [2025-01-29 21:18:45,462 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-01-29 21:18:45,462 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-29 21:18:45,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:45,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-29 21:18:45,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:18:45,721 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:18:45,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 39 [2025-01-29 21:18:45,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:18:45,848 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:18:46,148 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:18:46,160 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:18:46,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 60 [2025-01-29 21:18:46,166 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:18:46,179 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:18:46,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 23 treesize of output 50 [2025-01-29 21:18:46,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:18:46,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055913018] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:18:46,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:18:46,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 36 [2025-01-29 21:18:46,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881485465] [2025-01-29 21:18:46,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:18:46,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-01-29 21:18:46,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:18:46,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-01-29 21:18:46,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1095, Unknown=0, NotChecked=0, Total=1260 [2025-01-29 21:18:46,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:46,299 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:18:46,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.0277777777777777) internal successors, (73), 36 states have internal predecessors, (73), 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 21:18:46,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:46,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:46,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:46,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:46,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:46,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:18:46,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:46,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:18:46,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:18:46,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:18:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:18:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:18:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-29 21:18:48,877 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 21:18:49,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-01-29 21:18:49,076 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:18:49,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:18:49,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1136135350, now seen corresponding path program 3 times [2025-01-29 21:18:49,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:18:49,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818341358] [2025-01-29 21:18:49,076 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-29 21:18:49,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:18:49,079 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 33 statements into 2 equivalence classes. [2025-01-29 21:18:49,081 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 33 of 33 statements. [2025-01-29 21:18:49,081 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-29 21:18:49,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:49,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:18:49,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:18:49,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818341358] [2025-01-29 21:18:49,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818341358] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:18:49,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277193310] [2025-01-29 21:18:49,145 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-29 21:18:49,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:18:49,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:18:49,146 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 21:18:49,148 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 21:18:49,165 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 33 statements into 2 equivalence classes. [2025-01-29 21:18:49,171 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 33 of 33 statements. [2025-01-29 21:18:49,171 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-29 21:18:49,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:49,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-29 21:18:49,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:18:49,246 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:18:49,246 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:18:49,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:18:49,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277193310] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:18:49,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:18:49,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-01-29 21:18:49,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529326124] [2025-01-29 21:18:49,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:18:49,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-01-29 21:18:49,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:18:49,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-01-29 21:18:49,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2025-01-29 21:18:49,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:49,336 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:18:49,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 18 states have internal predecessors, (68), 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 21:18:49,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:49,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:49,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:49,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:49,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:49,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:18:49,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:49,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:18:49,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:18:49,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-29 21:18:49,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:18:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:18:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:18:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-01-29 21:18:49,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-29 21:18:49,748 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 21:18:49,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:18:49,943 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:18:49,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:18:49,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1402102340, now seen corresponding path program 4 times [2025-01-29 21:18:49,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:18:49,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192743602] [2025-01-29 21:18:49,944 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-29 21:18:49,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:18:49,946 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 33 statements into 2 equivalence classes. [2025-01-29 21:18:49,947 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-29 21:18:49,947 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-29 21:18:49,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:49,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:18:49,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:18:49,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192743602] [2025-01-29 21:18:49,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192743602] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:18:49,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12424902] [2025-01-29 21:18:49,990 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-29 21:18:49,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:18:49,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:18:49,992 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 21:18:49,993 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 21:18:50,013 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 33 statements into 2 equivalence classes. [2025-01-29 21:18:50,020 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-29 21:18:50,020 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-29 21:18:50,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:50,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-29 21:18:50,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:18:50,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:18:50,088 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:18:50,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:18:50,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12424902] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-29 21:18:50,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-01-29 21:18:50,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8, 8] total 13 [2025-01-29 21:18:50,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283042154] [2025-01-29 21:18:50,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 21:18:50,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-29 21:18:50,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:18:50,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-29 21:18:50,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-01-29 21:18:50,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:50,156 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:18:50,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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 21:18:50,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:50,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:50,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:50,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:50,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:50,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:18:50,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:50,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:18:50,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:18:50,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-01-29 21:18:50,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-29 21:18:50,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:50,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:50,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:50,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:50,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:50,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:50,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:18:50,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:50,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:18:50,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:18:50,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-01-29 21:18:50,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:50,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-29 21:18:50,352 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 21:18:50,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:18:50,549 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:18:50,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:18:50,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1278702047, now seen corresponding path program 5 times [2025-01-29 21:18:50,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:18:50,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902106804] [2025-01-29 21:18:50,550 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-29 21:18:50,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:18:50,552 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-01-29 21:18:50,561 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-01-29 21:18:50,561 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-29 21:18:50,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:50,925 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:18:50,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:18:50,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902106804] [2025-01-29 21:18:50,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902106804] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:18:50,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966153448] [2025-01-29 21:18:50,926 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-29 21:18:50,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:18:50,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:18:50,928 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 21:18:50,931 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 21:18:50,948 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-01-29 21:18:50,957 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-01-29 21:18:50,957 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-29 21:18:50,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:50,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-29 21:18:50,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:18:51,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2025-01-29 21:18:51,430 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:18:51,430 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:18:51,755 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:18:51,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 53 treesize of output 138 [2025-01-29 21:18:51,810 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:18:51,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 35 treesize of output 120 [2025-01-29 21:18:52,543 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:18:52,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966153448] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:18:52,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:18:52,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 41 [2025-01-29 21:18:52,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092309349] [2025-01-29 21:18:52,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:18:52,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2025-01-29 21:18:52,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:18:52,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2025-01-29 21:18:52,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1456, Unknown=0, NotChecked=0, Total=1640 [2025-01-29 21:18:52,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:52,544 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:18:52,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.975609756097561) internal successors, (81), 41 states have internal predecessors, (81), 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 21:18:52,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:52,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:52,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:52,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:52,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:52,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:18:52,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:52,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:18:52,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:18:52,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-01-29 21:18:52,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:52,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-29 21:18:52,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:18:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:18:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:18:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-01-29 21:18:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:18:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:18:54,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-29 21:18:54,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:18:54,329 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:18:54,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:18:54,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1570087136, now seen corresponding path program 6 times [2025-01-29 21:18:54,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:18:54,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190323788] [2025-01-29 21:18:54,329 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-29 21:18:54,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:18:54,332 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 39 statements into 2 equivalence classes. [2025-01-29 21:18:54,334 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-01-29 21:18:54,334 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2025-01-29 21:18:54,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:54,391 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-29 21:18:54,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:18:54,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190323788] [2025-01-29 21:18:54,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190323788] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:18:54,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324349926] [2025-01-29 21:18:54,392 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-29 21:18:54,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:18:54,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:18:54,393 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 21:18:54,395 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 21:18:54,411 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 39 statements into 2 equivalence classes. [2025-01-29 21:18:54,418 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-01-29 21:18:54,418 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2025-01-29 21:18:54,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:54,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-29 21:18:54,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:18:54,505 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-29 21:18:54,506 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:18:54,609 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-29 21:18:54,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324349926] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:18:54,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:18:54,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2025-01-29 21:18:54,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325165247] [2025-01-29 21:18:54,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:18:54,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-29 21:18:54,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:18:54,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-29 21:18:54,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2025-01-29 21:18:54,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:54,610 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:18:54,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 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 21:18:54,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:54,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:54,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:54,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:54,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:54,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:18:54,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:54,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:18:54,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:18:54,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-01-29 21:18:54,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:54,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:18:54,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:18:54,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:54,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:54,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:54,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:54,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:54,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:54,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:18:54,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:54,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:18:54,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:18:54,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-01-29 21:18:54,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:54,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:18:54,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-29 21:18:54,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:54,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-29 21:18:55,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-01-29 21:18:55,164 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:18:55,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:18:55,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1521669257, now seen corresponding path program 7 times [2025-01-29 21:18:55,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:18:55,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089316828] [2025-01-29 21:18:55,164 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-29 21:18:55,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:18:55,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-29 21:18:55,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-29 21:18:55,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 21:18:55,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:55,555 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-29 21:18:55,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:18:55,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089316828] [2025-01-29 21:18:55,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089316828] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:18:55,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350525725] [2025-01-29 21:18:55,555 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-29 21:18:55,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:18:55,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:18:55,557 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 21:18:55,559 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 21:18:55,574 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-29 21:18:55,586 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-29 21:18:55,586 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 21:18:55,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:18:55,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-01-29 21:18:55,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:18:56,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2025-01-29 21:18:56,214 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:18:56,214 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:18:56,766 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:18:56,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 73 treesize of output 228 [2025-01-29 21:18:56,872 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:18:56,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 47 treesize of output 202 [2025-01-29 21:18:59,754 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:18:59,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350525725] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:18:59,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:18:59,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 20, 20] total 51 [2025-01-29 21:18:59,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431363681] [2025-01-29 21:18:59,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:18:59,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2025-01-29 21:18:59,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:18:59,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2025-01-29 21:18:59,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=2317, Unknown=0, NotChecked=0, Total=2550 [2025-01-29 21:18:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:18:59,757 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:18:59,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 1.9607843137254901) internal successors, (100), 51 states have internal predecessors, (100), 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 21:18:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:18:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:18:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:18:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:18:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 21:18:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:18:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:18:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-01-29 21:18:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:18:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-29 21:18:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:18:59,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:19:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:19:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:19:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:19:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-29 21:19:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:19:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:19:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:19:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-29 21:19:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:19:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:19:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-29 21:19:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:19:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-01-29 21:19:04,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-01-29 21:19:04,648 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,SelfDestructingSolverStorable14 [2025-01-29 21:19:04,648 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:19:04,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:19:04,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1533076478, now seen corresponding path program 8 times [2025-01-29 21:19:04,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:19:04,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490104595] [2025-01-29 21:19:04,649 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-29 21:19:04,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:19:04,650 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-01-29 21:19:04,655 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-01-29 21:19:04,655 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-29 21:19:04,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:19:05,071 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:19:05,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:19:05,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490104595] [2025-01-29 21:19:05,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490104595] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:19:05,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171609585] [2025-01-29 21:19:05,071 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-29 21:19:05,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:19:05,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:19:05,073 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-29 21:19:05,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-29 21:19:05,090 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-01-29 21:19:05,097 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-01-29 21:19:05,098 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-29 21:19:05,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:19:05,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-01-29 21:19:05,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:19:05,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:19:05,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:19:05,428 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:19:05,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 39 [2025-01-29 21:19:05,476 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:19:05,476 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:19:05,704 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:19:05,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 53 treesize of output 140 [2025-01-29 21:19:05,759 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:19:05,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 35 treesize of output 122 [2025-01-29 21:19:06,905 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:19:06,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171609585] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:19:06,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:19:06,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 34 [2025-01-29 21:19:06,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954378579] [2025-01-29 21:19:06,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:19:06,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-01-29 21:19:06,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:19:06,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-01-29 21:19:06,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=991, Unknown=0, NotChecked=0, Total=1122 [2025-01-29 21:19:06,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:19:06,906 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:19:06,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.0588235294117645) internal successors, (70), 34 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 21:19:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:19:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:19:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:19:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-29 21:19:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:19:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:19:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:19:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-29 21:19:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:19:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:19:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-29 21:19:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:19:06,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-01-29 21:19:06,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:19:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:19:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:19:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:19:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-29 21:19:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:19:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:19:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:19:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-29 21:19:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-01-29 21:19:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:19:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-01-29 21:19:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:19:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-01-29 21:19:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-29 21:19:08,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-29 21:19:08,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-01-29 21:19:08,984 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:19:08,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:19:08,984 INFO L85 PathProgramCache]: Analyzing trace with hash -978516383, now seen corresponding path program 9 times [2025-01-29 21:19:08,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:19:08,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528404612] [2025-01-29 21:19:08,984 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-29 21:19:08,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:19:08,986 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 39 statements into 2 equivalence classes. [2025-01-29 21:19:08,988 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-01-29 21:19:08,988 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-29 21:19:08,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:19:09,050 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:19:09,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:19:09,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528404612] [2025-01-29 21:19:09,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528404612] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:19:09,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562364825] [2025-01-29 21:19:09,050 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-29 21:19:09,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:19:09,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:19:09,052 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-29 21:19:09,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-29 21:19:09,074 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 39 statements into 2 equivalence classes. [2025-01-29 21:19:09,081 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-01-29 21:19:09,081 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-29 21:19:09,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:19:09,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-29 21:19:09,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:19:09,191 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:19:09,191 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:19:09,325 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:19:09,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562364825] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:19:09,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:19:09,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 24 [2025-01-29 21:19:09,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973025686] [2025-01-29 21:19:09,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:19:09,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-29 21:19:09,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:19:09,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-29 21:19:09,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2025-01-29 21:19:09,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:19:09,326 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:19:09,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.75) internal successors, (90), 24 states have internal predecessors, (90), 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 21:19:09,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:19:09,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:19:09,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:19:09,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:09,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:09,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-29 21:19:09,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:19:09,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:19:09,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:19:09,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-29 21:19:09,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-01-29 21:19:09,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:19:09,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-01-29 21:19:09,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:19:09,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-01-29 21:19:09,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-29 21:19:09,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:19:10,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:19:10,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:19:10,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:19:10,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:10,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:10,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-29 21:19:10,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:19:10,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:19:10,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:19:10,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-29 21:19:10,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-01-29 21:19:10,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:19:10,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-01-29 21:19:10,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:19:10,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-01-29 21:19:10,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-29 21:19:10,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-29 21:19:10,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-29 21:19:10,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-29 21:19:10,250 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:19:10,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:19:10,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1263586488, now seen corresponding path program 10 times [2025-01-29 21:19:10,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:19:10,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863559492] [2025-01-29 21:19:10,251 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-29 21:19:10,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:19:10,252 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 48 statements into 2 equivalence classes. [2025-01-29 21:19:10,266 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-29 21:19:10,266 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-29 21:19:10,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:19:11,060 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-29 21:19:11,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:19:11,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863559492] [2025-01-29 21:19:11,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863559492] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:19:11,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076525123] [2025-01-29 21:19:11,060 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-29 21:19:11,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:19:11,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:19:11,063 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-29 21:19:11,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-29 21:19:11,082 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 48 statements into 2 equivalence classes. [2025-01-29 21:19:11,089 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-29 21:19:11,089 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-29 21:19:11,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:19:11,090 WARN L254 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-01-29 21:19:11,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:19:11,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:19:11,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:19:11,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:19:11,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:19:11,779 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:19:11,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2025-01-29 21:19:11,815 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:19:11,815 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:19:12,732 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:19:12,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 93 treesize of output 344 [2025-01-29 21:19:12,965 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:19:12,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 16 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 29 case distinctions, treesize of input 59 treesize of output 310 [2025-01-29 21:19:20,834 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:19:20,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076525123] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:19:20,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:19:20,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 24, 24] total 64 [2025-01-29 21:19:20,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722853606] [2025-01-29 21:19:20,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:19:20,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2025-01-29 21:19:20,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:19:20,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2025-01-29 21:19:20,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=3716, Unknown=0, NotChecked=0, Total=4032 [2025-01-29 21:19:20,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:19:20,836 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:19:20,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 1.90625) internal successors, (122), 64 states have internal predecessors, (122), 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 21:19:20,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:19:20,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:19:20,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:19:20,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:20,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:20,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-29 21:19:20,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:19:20,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:19:20,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:19:20,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-29 21:19:20,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-01-29 21:19:20,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:19:20,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-01-29 21:19:20,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-29 21:19:20,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-01-29 21:19:20,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-29 21:19:20,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-29 21:19:20,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:19:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:19:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:19:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:19:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:19:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:19:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:19:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:19:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-01-29 21:19:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-29 21:19:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:19:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-01-29 21:19:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-29 21:19:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-01-29 21:19:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-29 21:19:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-01-29 21:19:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-01-29 21:19:34,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-29 21:19:35,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-29 21:19:35,110 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:19:35,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:19:35,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1426810457, now seen corresponding path program 11 times [2025-01-29 21:19:35,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:19:35,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935536124] [2025-01-29 21:19:35,110 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-29 21:19:35,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:19:35,112 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 39 statements into 3 equivalence classes. [2025-01-29 21:19:35,119 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 39 of 39 statements. [2025-01-29 21:19:35,119 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-01-29 21:19:35,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:19:35,192 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:19:35,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:19:35,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935536124] [2025-01-29 21:19:35,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935536124] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:19:35,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755389604] [2025-01-29 21:19:35,193 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-29 21:19:35,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:19:35,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:19:35,194 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-29 21:19:35,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-29 21:19:35,213 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 39 statements into 3 equivalence classes. [2025-01-29 21:19:35,221 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 39 of 39 statements. [2025-01-29 21:19:35,221 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-01-29 21:19:35,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:19:35,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-29 21:19:35,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:19:35,299 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:19:35,300 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:19:35,404 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:19:35,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755389604] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:19:35,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:19:35,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 17 [2025-01-29 21:19:35,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620127011] [2025-01-29 21:19:35,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:19:35,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-29 21:19:35,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:19:35,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-29 21:19:35,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2025-01-29 21:19:35,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:19:35,406 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:19:35,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.294117647058823) internal successors, (73), 17 states have internal predecessors, (73), 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 21:19:35,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:19:35,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:19:35,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:19:35,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:35,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:35,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:19:35,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:19:35,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:19:35,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:19:35,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-01-29 21:19:35,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-29 21:19:35,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:19:35,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-01-29 21:19:35,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-29 21:19:35,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-01-29 21:19:35,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-29 21:19:35,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-01-29 21:19:35,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-01-29 21:19:35,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:19:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:19:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:19:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:19:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:19:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:19:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:19:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:19:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-01-29 21:19:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-29 21:19:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:19:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-01-29 21:19:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-29 21:19:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-01-29 21:19:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-29 21:19:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-01-29 21:19:36,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2025-01-29 21:19:36,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-29 21:19:36,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-29 21:19:36,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:19:36,543 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:19:36,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:19:36,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1003357208, now seen corresponding path program 12 times [2025-01-29 21:19:36,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:19:36,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090031299] [2025-01-29 21:19:36,544 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-29 21:19:36,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:19:36,546 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 42 statements into 3 equivalence classes. [2025-01-29 21:19:36,554 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 42 of 42 statements. [2025-01-29 21:19:36,554 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-01-29 21:19:36,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:19:37,010 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:19:37,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:19:37,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090031299] [2025-01-29 21:19:37,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090031299] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:19:37,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886507029] [2025-01-29 21:19:37,010 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-29 21:19:37,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:19:37,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:19:37,012 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-29 21:19:37,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-29 21:19:37,031 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 42 statements into 3 equivalence classes. [2025-01-29 21:19:37,039 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 42 of 42 statements. [2025-01-29 21:19:37,039 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-01-29 21:19:37,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:19:37,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-01-29 21:19:37,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:19:38,134 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:38,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:19:38,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:19:38,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:19:38,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:19:38,137 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:38,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:19:38,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:19:38,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2025-01-29 21:19:38,142 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:38,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:19:38,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:19:38,144 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:38,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 3 [2025-01-29 21:19:38,151 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:19:38,151 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:19:40,383 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:40,384 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:40,384 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:40,387 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:40,388 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:40,389 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:40,389 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:40,390 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:40,390 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:40,391 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:40,445 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:19:40,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 16 case distinctions, treesize of input 61 treesize of output 182 [2025-01-29 21:19:40,459 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:40,459 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:40,459 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:40,461 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:40,462 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:40,463 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:40,463 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:40,464 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:40,465 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:40,466 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-29 21:19:40,539 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:19:40,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 16 case distinctions, treesize of input 41 treesize of output 162 [2025-01-29 21:19:41,991 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:19:41,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886507029] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:19:41,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:19:41,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22, 22] total 54 [2025-01-29 21:19:41,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099352570] [2025-01-29 21:19:41,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:19:41,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2025-01-29 21:19:41,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:19:41,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2025-01-29 21:19:41,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=2521, Unknown=0, NotChecked=0, Total=2862 [2025-01-29 21:19:41,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:19:41,993 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:19:41,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 1.7777777777777777) internal successors, (96), 54 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 21:19:41,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:19:41,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:19:41,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:19:41,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:41,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:41,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:19:41,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:19:41,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:19:41,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:19:41,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-01-29 21:19:41,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-29 21:19:41,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:19:41,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-01-29 21:19:41,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-29 21:19:41,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-01-29 21:19:41,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-29 21:19:41,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-01-29 21:19:41,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2025-01-29 21:19:41,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-29 21:19:41,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:19:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:19:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:19:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:19:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:19:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:19:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:19:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:19:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-01-29 21:19:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-29 21:19:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:19:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-01-29 21:19:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-29 21:19:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-01-29 21:19:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-29 21:19:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-01-29 21:19:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2025-01-29 21:19:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-29 21:19:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-01-29 21:19:58,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-01-29 21:19:58,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:19:58,494 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:19:58,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:19:58,495 INFO L85 PathProgramCache]: Analyzing trace with hash -2135443449, now seen corresponding path program 13 times [2025-01-29 21:19:58,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:19:58,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523456144] [2025-01-29 21:19:58,495 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-29 21:19:58,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:19:58,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-29 21:19:58,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-29 21:19:58,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 21:19:58,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:19:58,573 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:19:58,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:19:58,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523456144] [2025-01-29 21:19:58,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523456144] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:19:58,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592707866] [2025-01-29 21:19:58,573 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-29 21:19:58,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:19:58,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:19:58,576 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-29 21:19:58,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-29 21:19:58,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-29 21:19:58,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-29 21:19:58,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 21:19:58,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:19:58,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-29 21:19:58,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:19:58,742 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:19:58,742 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:19:58,893 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:19:58,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592707866] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:19:58,893 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:19:58,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 24 [2025-01-29 21:19:58,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019344050] [2025-01-29 21:19:58,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:19:58,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-29 21:19:58,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:19:58,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-29 21:19:58,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2025-01-29 21:19:58,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:19:58,894 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:19:58,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.083333333333333) internal successors, (98), 24 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-01-29 21:19:58,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-01-29 21:20:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-29 21:20:00,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-01-29 21:20:00,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:20:00,428 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:20:00,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:20:00,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1586824785, now seen corresponding path program 14 times [2025-01-29 21:20:00,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:20:00,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087721144] [2025-01-29 21:20:00,429 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-29 21:20:00,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:20:00,432 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 45 statements into 2 equivalence classes. [2025-01-29 21:20:00,434 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 45 of 45 statements. [2025-01-29 21:20:00,434 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-29 21:20:00,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:20:00,496 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:20:00,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:20:00,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087721144] [2025-01-29 21:20:00,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087721144] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:20:00,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819781068] [2025-01-29 21:20:00,496 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-29 21:20:00,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:20:00,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:20:00,498 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-29 21:20:00,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-01-29 21:20:00,517 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 45 statements into 2 equivalence classes. [2025-01-29 21:20:00,525 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 45 of 45 statements. [2025-01-29 21:20:00,525 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-29 21:20:00,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:20:00,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-29 21:20:00,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:20:00,623 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:20:00,623 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:20:00,745 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:20:00,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819781068] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:20:00,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:20:00,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 20 [2025-01-29 21:20:00,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574157336] [2025-01-29 21:20:00,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:20:00,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-29 21:20:00,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:20:00,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-29 21:20:00,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2025-01-29 21:20:00,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:20:00,746 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:20:00,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.0) internal successors, (80), 20 states have internal predecessors, (80), 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 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-29 21:20:00,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:20:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:20:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:20:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:20:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:20:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:20:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:20:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:20:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:20:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:20:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-01-29 21:20:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-29 21:20:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:20:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-01-29 21:20:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-29 21:20:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-01-29 21:20:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-29 21:20:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-01-29 21:20:01,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2025-01-29 21:20:01,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-29 21:20:01,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-01-29 21:20:01,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-29 21:20:01,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-29 21:20:01,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-01-29 21:20:01,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:20:01,618 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:20:01,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:20:01,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1785503954, now seen corresponding path program 15 times [2025-01-29 21:20:01,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:20:01,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520251373] [2025-01-29 21:20:01,618 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-29 21:20:01,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:20:01,620 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 48 statements into 3 equivalence classes. [2025-01-29 21:20:01,628 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 48 of 48 statements. [2025-01-29 21:20:01,628 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-29 21:20:01,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:20:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:20:02,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:20:02,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520251373] [2025-01-29 21:20:02,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520251373] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:20:02,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70061828] [2025-01-29 21:20:02,354 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-29 21:20:02,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:20:02,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:20:02,357 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-29 21:20:02,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-01-29 21:20:02,373 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 48 statements into 3 equivalence classes. [2025-01-29 21:20:02,381 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 48 of 48 statements. [2025-01-29 21:20:02,381 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-29 21:20:02,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:20:02,382 WARN L254 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 52 conjuncts are in the unsatisfiable core [2025-01-29 21:20:02,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:20:03,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:03,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:03,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:03,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:03,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:03,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:03,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:03,693 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:20:03,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 75 [2025-01-29 21:20:03,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2025-01-29 21:20:03,789 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:20:03,789 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:20:04,551 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:20:04,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 53 treesize of output 140 [2025-01-29 21:20:04,603 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:20:04,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 35 treesize of output 122 [2025-01-29 21:20:05,562 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 21:20:05,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70061828] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:20:05,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:20:05,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 72 [2025-01-29 21:20:05,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044629569] [2025-01-29 21:20:05,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:20:05,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2025-01-29 21:20:05,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:20:05,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2025-01-29 21:20:05,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=376, Invalid=4736, Unknown=0, NotChecked=0, Total=5112 [2025-01-29 21:20:05,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:20:05,565 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:20:05,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 1.625) internal successors, (117), 72 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 21:20:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:20:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-29 21:20:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:20:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:20:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:20:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:20:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:20:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:20:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:20:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:20:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:20:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:20:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-01-29 21:20:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-29 21:20:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:20:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-01-29 21:20:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-29 21:20:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-01-29 21:20:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-29 21:20:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-01-29 21:20:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2025-01-29 21:20:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-29 21:20:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-01-29 21:20:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-29 21:20:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-01-29 21:20:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2025-01-29 21:20:22,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-01-29 21:20:23,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-01-29 21:20:23,068 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:20:23,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:20:23,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1044020529, now seen corresponding path program 16 times [2025-01-29 21:20:23,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:20:23,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492020375] [2025-01-29 21:20:23,068 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-29 21:20:23,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:20:23,070 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 51 statements into 2 equivalence classes. [2025-01-29 21:20:23,072 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-29 21:20:23,072 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-29 21:20:23,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:20:23,156 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-29 21:20:23,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:20:23,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492020375] [2025-01-29 21:20:23,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492020375] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:20:23,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488292583] [2025-01-29 21:20:23,156 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-29 21:20:23,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:20:23,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:20:23,165 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-29 21:20:23,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-01-29 21:20:23,187 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 51 statements into 2 equivalence classes. [2025-01-29 21:20:23,195 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-29 21:20:23,195 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-29 21:20:23,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:20:23,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-29 21:20:23,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:20:23,314 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-29 21:20:23,314 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 21:20:23,455 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-29 21:20:23,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488292583] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 21:20:23,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 21:20:23,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 25 [2025-01-29 21:20:23,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214427179] [2025-01-29 21:20:23,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 21:20:23,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-29 21:20:23,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 21:20:23,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-29 21:20:23,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2025-01-29 21:20:23,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:20:23,456 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 21:20:23,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.16) internal successors, (104), 25 states have internal predecessors, (104), 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 21:20:23,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:20:23,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2025-01-29 21:20:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-01-29 21:20:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-01-29 21:20:24,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-01-29 21:20:24,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:20:24,644 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-29 21:20:24,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 21:20:24,644 INFO L85 PathProgramCache]: Analyzing trace with hash 712085956, now seen corresponding path program 17 times [2025-01-29 21:20:24,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 21:20:24,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407624410] [2025-01-29 21:20:24,645 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-29 21:20:24,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 21:20:24,646 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 54 statements into 3 equivalence classes. [2025-01-29 21:20:24,668 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 54 of 54 statements. [2025-01-29 21:20:24,668 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-01-29 21:20:24,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:20:25,398 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-29 21:20:25,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 21:20:25,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407624410] [2025-01-29 21:20:25,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407624410] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 21:20:25,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398048001] [2025-01-29 21:20:25,399 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-29 21:20:25,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 21:20:25,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 21:20:25,401 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-29 21:20:25,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-01-29 21:20:25,419 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 54 statements into 3 equivalence classes. [2025-01-29 21:20:25,429 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 54 of 54 statements. [2025-01-29 21:20:25,429 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-01-29 21:20:25,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 21:20:25,430 WARN L254 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 53 conjuncts are in the unsatisfiable core [2025-01-29 21:20:25,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 21:20:26,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:26,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:26,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:26,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:26,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:26,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:26,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:26,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:26,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:26,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:26,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:26,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:26,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:26,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:26,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:26,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:26,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:27,043 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:20:27,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 24 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 21 case distinctions, treesize of input 95 treesize of output 245 [2025-01-29 21:20:27,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:27,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:27,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:27,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:27,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:27,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:27,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:27,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:27,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:27,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:27,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:27,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:27,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:27,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:27,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:27,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:27,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-29 21:20:27,164 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 21:20:27,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 24 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 21 case distinctions, treesize of input 580 treesize of output 498 [2025-01-29 21:26:35,351 WARN L286 SmtUtils]: Spent 11.64s on a formula simplification. DAG size of input: 5119 DAG size of output: 5999 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-29 21:29:04,410 WARN L286 SmtUtils]: Spent 5.43s on a formula simplification. DAG size of input: 6974 DAG size of output: 6974 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-29 21:29:54,300 WARN L286 SmtUtils]: Spent 7.05s on a formula simplification. DAG size of input: 3562 DAG size of output: 3954 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2025-01-29 21:33:07,654 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-01-29 21:33:07,656 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2025-01-29 21:33:07,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-01-29 21:33:07,679 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 21:33:07,695 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 21:33:07,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-01-29 21:33:07,857 WARN L596 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 55 with TraceHistMax 6,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-12-6-2-2-1 context. [2025-01-29 21:33:07,859 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-01-29 21:33:07,859 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-01-29 21:33:07,859 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-01-29 21:33:07,862 INFO L422 BasicCegarLoop]: Path program histogram: [17, 5, 1, 1, 1] [2025-01-29 21:33:07,864 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-29 21:33:07,864 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-29 21:33:07,871 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 21:33:07,872 INFO L201 PluginConnector]: Adding new model array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 09:33:07 BasicIcfg [2025-01-29 21:33:07,872 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-29 21:33:07,872 INFO L158 Benchmark]: Toolchain (without parser) took 871400.13ms. Allocated memory was 167.8MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 97.2MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 962.1MB. Max. memory is 16.0GB. [2025-01-29 21:33:07,873 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-29 21:33:07,873 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.68ms. Allocated memory is still 167.8MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-29 21:33:07,873 INFO L158 Benchmark]: Boogie Preprocessor took 11.43ms. Allocated memory is still 167.8MB. Free memory was 97.2MB in the beginning and 95.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-29 21:33:07,873 INFO L158 Benchmark]: RCFGBuilder took 163.90ms. Allocated memory is still 167.8MB. Free memory was 95.7MB in the beginning and 82.8MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2025-01-29 21:33:07,873 INFO L158 Benchmark]: TraceAbstraction took 871199.57ms. Allocated memory was 167.8MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 82.8MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 945.3MB. Max. memory is 16.0GB. [2025-01-29 21:33:07,874 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 0.15ms. Allocated memory is still 167.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 16.68ms. Allocated memory is still 167.8MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 11.43ms. Allocated memory is still 167.8MB. Free memory was 97.2MB in the beginning and 95.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 163.90ms. Allocated memory is still 167.8MB. Free memory was 95.7MB in the beginning and 82.8MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 871199.57ms. Allocated memory was 167.8MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 82.8MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 945.3MB. 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: 8754, independent: 6346, independent conditional: 5864, independent unconditional: 482, dependent: 2408, dependent conditional: 2408, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6346, independent: 6346, independent conditional: 5864, independent unconditional: 482, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6346, independent: 6346, independent conditional: 5864, independent unconditional: 482, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6346, independent: 6346, independent conditional: 5864, independent unconditional: 482, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6346, independent: 6346, independent conditional: 0, independent unconditional: 6346, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6346, independent: 6346, independent conditional: 0, independent unconditional: 6346, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 444, independent: 444, independent conditional: 0, independent unconditional: 444, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 444, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 52, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 6346, independent: 5902, independent conditional: 0, independent unconditional: 5902, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 444, unknown conditional: 0, unknown unconditional: 444] , Statistics on independence cache: Total cache size (in pairs): 444, Positive cache size: 444, Positive conditional cache size: 0, Positive unconditional cache size: 444, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5864, Maximal queried relation: 0, Independence queries for same thread: 2408, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 55, Number of trivial persistent sets: 23, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 482, independent: 482, independent conditional: 0, independent unconditional: 482, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8754, independent: 6346, independent conditional: 5864, independent unconditional: 482, dependent: 2408, dependent conditional: 2408, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6346, independent: 6346, independent conditional: 5864, independent unconditional: 482, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6346, independent: 6346, independent conditional: 5864, independent unconditional: 482, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6346, independent: 6346, independent conditional: 5864, independent unconditional: 482, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6346, independent: 6346, independent conditional: 0, independent unconditional: 6346, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6346, independent: 6346, independent conditional: 0, independent unconditional: 6346, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 444, independent: 444, independent conditional: 0, independent unconditional: 444, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 444, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 52, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 6346, independent: 5902, independent conditional: 0, independent unconditional: 5902, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 444, unknown conditional: 0, unknown unconditional: 444] , Statistics on independence cache: Total cache size (in pairs): 444, Positive cache size: 444, Positive conditional cache size: 0, Positive unconditional cache size: 444, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5864, Maximal queried relation: 0, Independence queries for same thread: 2408 - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 55 with TraceHistMax 6,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-12-6-2-2-1 context. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 55 with TraceHistMax 6,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-12-6-2-2-1 context. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 55 with TraceHistMax 6,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-12-6-2-2-1 context. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 55 with TraceHistMax 6,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-12-6-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 871.1s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 17, EmptinessCheckTime: 67.3s, 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: 1189, 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, 0.3s SatisfiabilityAnalysisTime, 35.7s InterpolantComputationTime, 1563 NumberOfCodeBlocks, 1563 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 2227 ConstructedInterpolants, 32 QuantifiedInterpolants, 28364 SizeOfPredicates, 164 NumberOfNonLiveVariables, 1514 ConjunctsInSsa, 433 ConjunctsInUnsatCore, 62 InterpolantComputations, 6 PerfectInterpolantSequences, 95/629 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