/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 false --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/chl/word-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-a343466-m [2025-01-29 17:51:42,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-29 17:51:42,964 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 17:51:42,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-29 17:51:42,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-29 17:51:42,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-29 17:51:43,000 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-29 17:51:43,000 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-29 17:51:43,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-29 17:51:43,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-29 17:51:43,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-29 17:51:43,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-29 17:51:43,001 INFO L153 SettingsManager]: * Use SBE=true [2025-01-29 17:51:43,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-29 17:51:43,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-29 17:51:43,001 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-29 17:51:43,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-29 17:51:43,001 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-29 17:51:43,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-29 17:51:43,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-29 17:51:43,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-29 17:51:43,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-29 17:51:43,002 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-29 17:51:43,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-29 17:51:43,002 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-29 17:51:43,002 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-29 17:51:43,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-29 17:51:43,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-29 17:51:43,002 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-29 17:51:43,002 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-29 17:51:43,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-29 17:51:43,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-29 17:51:43,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-29 17:51:43,003 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-29 17:51:43,003 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-29 17:51:43,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-29 17:51:43,003 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-29 17:51:43,003 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-29 17:51:43,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-29 17:51:43,003 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-29 17:51:43,003 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-29 17:51:43,003 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-29 17:51:43,003 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-29 17:51:43,003 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 -> false 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 17:51:43,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-29 17:51:43,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-29 17:51:43,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-29 17:51:43,277 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-29 17:51:43,280 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-29 17:51:43,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/word-trans.wvr.bpl [2025-01-29 17:51:43,282 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/word-trans.wvr.bpl' [2025-01-29 17:51:43,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-29 17:51:43,316 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-29 17:51:43,317 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-29 17:51:43,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-29 17:51:43,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-29 17:51:43,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 05:51:43" (1/1) ... [2025-01-29 17:51:43,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 05:51:43" (1/1) ... [2025-01-29 17:51:43,347 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-29 17:51:43,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-29 17:51:43,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-29 17:51:43,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-29 17:51:43,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-29 17:51:43,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 05:51:43" (1/1) ... [2025-01-29 17:51:43,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 05:51:43" (1/1) ... [2025-01-29 17:51:43,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 05:51:43" (1/1) ... [2025-01-29 17:51:43,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 05:51:43" (1/1) ... [2025-01-29 17:51:43,360 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 05:51:43" (1/1) ... [2025-01-29 17:51:43,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 05:51:43" (1/1) ... [2025-01-29 17:51:43,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 05:51:43" (1/1) ... [2025-01-29 17:51:43,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 05:51:43" (1/1) ... [2025-01-29 17:51:43,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 05:51:43" (1/1) ... [2025-01-29 17:51:43,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-29 17:51:43,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-29 17:51:43,367 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-29 17:51:43,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-29 17:51:43,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 05:51:43" (1/1) ... [2025-01-29 17:51:43,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-29 17:51:43,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 17:51:43,405 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 17:51:43,410 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 17:51:43,431 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-29 17:51:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-29 17:51:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-29 17:51:43,431 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-29 17:51:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-29 17:51:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-29 17:51:43,432 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-29 17:51:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-29 17:51:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-29 17:51:43,432 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-01-29 17:51:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-29 17:51:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-29 17:51:43,433 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 17:51:43,487 INFO L234 CfgBuilder]: Building ICFG [2025-01-29 17:51:43,489 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-29 17:51:43,656 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-29 17:51:43,656 INFO L283 CfgBuilder]: Performing block encoding [2025-01-29 17:51:43,701 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-29 17:51:43,701 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-01-29 17:51:43,702 INFO L201 PluginConnector]: Adding new model word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 05:51:43 BoogieIcfgContainer [2025-01-29 17:51:43,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-29 17:51:43,704 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-29 17:51:43,705 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-29 17:51:43,710 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-29 17:51:43,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 05:51:43" (1/2) ... [2025-01-29 17:51:43,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c97908 and model type word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 05:51:43, skipping insertion in model container [2025-01-29 17:51:43,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 05:51:43" (2/2) ... [2025-01-29 17:51:43,712 INFO L128 eAbstractionObserver]: Analyzing ICFG word-trans.wvr.bpl [2025-01-29 17:51:43,725 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-29 17:51:43,727 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG word-trans.wvr.bpl that has 4 procedures, 23 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2025-01-29 17:51:43,727 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-29 17:51:43,772 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-29 17:51:43,820 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-29 17:51:43,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-29 17:51:43,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 17:51:43,822 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 17:51:43,823 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 17:51:43,882 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-29 17:51:43,892 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-29 17:51:43,899 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;@58db06a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-29 17:51:43,899 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-29 17:51:44,017 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 17:51:44,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:51:44,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1303980192, now seen corresponding path program 1 times [2025-01-29 17:51:44,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:51:44,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54883544] [2025-01-29 17:51:44,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 17:51:44,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:51:44,082 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-29 17:51:44,104 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-29 17:51:44,104 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 17:51:44,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:51:44,310 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 17:51:44,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:51:44,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54883544] [2025-01-29 17:51:44,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54883544] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 17:51:44,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 17:51:44,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-29 17:51:44,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041474399] [2025-01-29 17:51:44,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 17:51:44,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-29 17:51:44,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:51:44,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-29 17:51:44,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-29 17:51:44,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:44,347 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:51:44,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 17:51:44,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:44,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:44,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-29 17:51:44,466 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 17:51:44,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:51:44,467 INFO L85 PathProgramCache]: Analyzing trace with hash 607787069, now seen corresponding path program 1 times [2025-01-29 17:51:44,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:51:44,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283056680] [2025-01-29 17:51:44,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 17:51:44,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:51:44,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-29 17:51:44,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-29 17:51:44,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 17:51:44,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:51:44,686 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 17:51:44,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:51:44,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283056680] [2025-01-29 17:51:44,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283056680] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 17:51:44,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 17:51:44,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-29 17:51:44,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316561765] [2025-01-29 17:51:44,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 17:51:44,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-29 17:51:44,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:51:44,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-29 17:51:44,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-29 17:51:44,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:44,693 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:51:44,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 17:51:44,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:44,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:44,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:44,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:44,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-29 17:51:44,844 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 17:51:44,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:51:44,845 INFO L85 PathProgramCache]: Analyzing trace with hash -2119010188, now seen corresponding path program 1 times [2025-01-29 17:51:44,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:51:44,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175999703] [2025-01-29 17:51:44,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 17:51:44,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:51:44,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-29 17:51:44,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-29 17:51:44,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 17:51:44,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:51:44,997 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 17:51:44,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:51:44,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175999703] [2025-01-29 17:51:44,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175999703] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 17:51:44,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 17:51:44,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-29 17:51:44,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202161995] [2025-01-29 17:51:44,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 17:51:44,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-29 17:51:44,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:51:44,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-29 17:51:44,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-29 17:51:44,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:44,999 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:51:44,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 17:51:44,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:44,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:44,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:45,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:45,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:45,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:45,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-29 17:51:45,106 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 17:51:45,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:51:45,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1591385401, now seen corresponding path program 1 times [2025-01-29 17:51:45,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:51:45,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930603314] [2025-01-29 17:51:45,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 17:51:45,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:51:45,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-29 17:51:45,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-29 17:51:45,118 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 17:51:45,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:51:45,222 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 17:51:45,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:51:45,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930603314] [2025-01-29 17:51:45,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930603314] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 17:51:45,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 17:51:45,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-29 17:51:45,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965607693] [2025-01-29 17:51:45,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 17:51:45,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-29 17:51:45,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:51:45,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-29 17:51:45,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-29 17:51:45,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:45,224 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:51:45,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 17:51:45,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:45,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:45,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:45,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:45,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:45,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:45,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:45,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:45,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-29 17:51:45,481 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 17:51:45,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:51:45,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1766499660, now seen corresponding path program 1 times [2025-01-29 17:51:45,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:51:45,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100731399] [2025-01-29 17:51:45,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 17:51:45,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:51:45,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-29 17:51:45,495 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-29 17:51:45,495 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 17:51:45,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:51:45,650 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 17:51:45,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:51:45,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100731399] [2025-01-29 17:51:45,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100731399] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 17:51:45,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 17:51:45,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-29 17:51:45,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843614906] [2025-01-29 17:51:45,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 17:51:45,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-29 17:51:45,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:51:45,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-29 17:51:45,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-29 17:51:45,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:45,651 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:51:45,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 17:51:45,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:45,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:45,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:45,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:45,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:45,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:45,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:45,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:45,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:45,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:45,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-29 17:51:45,861 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 17:51:45,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:51:45,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1099640677, now seen corresponding path program 1 times [2025-01-29 17:51:45,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:51:45,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566709522] [2025-01-29 17:51:45,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 17:51:45,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:51:45,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-29 17:51:45,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-29 17:51:45,872 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 17:51:45,872 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:51:46,037 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 17:51:46,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:51:46,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566709522] [2025-01-29 17:51:46,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566709522] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 17:51:46,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039131333] [2025-01-29 17:51:46,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 17:51:46,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 17:51:46,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 17:51:46,041 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 17:51:46,043 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 17:51:46,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-29 17:51:46,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-29 17:51:46,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 17:51:46,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:51:46,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-29 17:51:46,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 17:51:46,275 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 17:51:46,276 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 17:51:46,466 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 17:51:46,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039131333] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-29 17:51:46,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-01-29 17:51:46,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8, 8] total 15 [2025-01-29 17:51:46,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436439708] [2025-01-29 17:51:46,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 17:51:46,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-29 17:51:46,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:51:46,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-29 17:51:46,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2025-01-29 17:51:46,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:46,467 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:51:46,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 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 17:51:46,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:46,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:46,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:46,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:46,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:46,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:46,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:46,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:46,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:46,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:46,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:46,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:46,735 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 17:51:46,927 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 17:51:46,927 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 17:51:46,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:51:46,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1541247926, now seen corresponding path program 1 times [2025-01-29 17:51:46,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:51:46,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107073571] [2025-01-29 17:51:46,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 17:51:46,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:51:46,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-29 17:51:46,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-29 17:51:46,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 17:51:46,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:51:47,032 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 17:51:47,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:51:47,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107073571] [2025-01-29 17:51:47,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107073571] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 17:51:47,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 17:51:47,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-29 17:51:47,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674774820] [2025-01-29 17:51:47,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 17:51:47,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-29 17:51:47,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:51:47,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-29 17:51:47,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-01-29 17:51:47,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:47,034 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:51:47,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 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 17:51:47,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:47,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:47,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:47,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:47,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:47,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:47,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-29 17:51:47,196 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 17:51:47,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:51:47,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1415196082, now seen corresponding path program 1 times [2025-01-29 17:51:47,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:51:47,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058755801] [2025-01-29 17:51:47,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 17:51:47,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:51:47,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-29 17:51:47,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-29 17:51:47,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 17:51:47,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:51:47,341 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 17:51:47,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:51:47,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058755801] [2025-01-29 17:51:47,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058755801] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 17:51:47,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 17:51:47,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-29 17:51:47,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721448345] [2025-01-29 17:51:47,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 17:51:47,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-29 17:51:47,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:51:47,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-29 17:51:47,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-01-29 17:51:47,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:47,343 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:51:47,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 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 17:51:47,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:47,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:47,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:47,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:47,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-29 17:51:47,611 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 17:51:47,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:51:47,611 INFO L85 PathProgramCache]: Analyzing trace with hash -456731637, now seen corresponding path program 1 times [2025-01-29 17:51:47,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:51:47,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502347698] [2025-01-29 17:51:47,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 17:51:47,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:51:47,615 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-29 17:51:47,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-29 17:51:47,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 17:51:47,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:51:47,721 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 17:51:47,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:51:47,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502347698] [2025-01-29 17:51:47,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502347698] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 17:51:47,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 17:51:47,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-29 17:51:47,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930687364] [2025-01-29 17:51:47,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 17:51:47,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-29 17:51:47,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:51:47,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-29 17:51:47,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-01-29 17:51:47,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:47,723 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:51:47,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 17:51:47,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:47,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:47,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:47,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:47,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:47,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:47,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:47,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:47,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:47,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:47,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-29 17:51:47,884 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 17:51:47,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:51:47,884 INFO L85 PathProgramCache]: Analyzing trace with hash -2052018704, now seen corresponding path program 1 times [2025-01-29 17:51:47,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:51:47,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608813680] [2025-01-29 17:51:47,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 17:51:47,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:51:47,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-29 17:51:47,890 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-29 17:51:47,890 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 17:51:47,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:51:47,965 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 17:51:47,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:51:47,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608813680] [2025-01-29 17:51:47,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608813680] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 17:51:47,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 17:51:47,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-29 17:51:47,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775486624] [2025-01-29 17:51:47,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 17:51:47,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-29 17:51:47,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:51:47,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-29 17:51:47,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-01-29 17:51:47,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:47,967 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:51:47,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 17:51:47,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:47,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:47,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:47,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:47,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:47,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:47,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:48,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-29 17:51:48,154 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 17:51:48,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:51:48,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1339526035, now seen corresponding path program 1 times [2025-01-29 17:51:48,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:51:48,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460291] [2025-01-29 17:51:48,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 17:51:48,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:51:48,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-29 17:51:48,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-29 17:51:48,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 17:51:48,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:51:48,977 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 17:51:48,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:51:48,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460291] [2025-01-29 17:51:48,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460291] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 17:51:48,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808719291] [2025-01-29 17:51:48,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 17:51:48,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 17:51:48,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 17:51:48,980 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 17:51:48,982 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 17:51:49,009 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-29 17:51:49,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-29 17:51:49,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 17:51:49,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:51:49,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-29 17:51:49,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 17:51:49,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 92 [2025-01-29 17:51:49,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 143 [2025-01-29 17:51:49,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 119 [2025-01-29 17:51:50,686 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 17:51:50,686 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 17:51:51,391 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:51:51,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 148 treesize of output 140 [2025-01-29 17:51:51,940 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:51:51,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 133 treesize of output 123 [2025-01-29 17:51:51,951 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:51:51,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 115 treesize of output 105 [2025-01-29 17:51:52,232 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 17:51:52,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808719291] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 17:51:52,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 17:51:52,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2025-01-29 17:51:52,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721297014] [2025-01-29 17:51:52,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 17:51:52,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-29 17:51:52,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:51:52,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-29 17:51:52,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2025-01-29 17:51:52,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:52,235 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:51:52,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.92) internal successors, (48), 25 states have internal predecessors, (48), 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 17:51:52,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:52,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:52,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:52,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:52,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:52,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:52,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:52,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:52,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:52,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:52,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:54,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:54,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:54,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:54,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:54,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:54,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:54,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:54,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:54,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:54,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:54,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:51:54,636 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 17:51:54,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 17:51:54,831 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 17:51:54,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:51:54,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1892528413, now seen corresponding path program 2 times [2025-01-29 17:51:54,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:51:54,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170612975] [2025-01-29 17:51:54,832 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-29 17:51:54,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:51:54,836 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-01-29 17:51:54,853 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-01-29 17:51:54,854 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-29 17:51:54,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:51:55,257 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 17:51:55,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:51:55,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170612975] [2025-01-29 17:51:55,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170612975] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 17:51:55,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68468169] [2025-01-29 17:51:55,257 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-29 17:51:55,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 17:51:55,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 17:51:55,259 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 17:51:55,260 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 17:51:55,284 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-01-29 17:51:55,300 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-01-29 17:51:55,300 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-29 17:51:55,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:51:55,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-29 17:51:55,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 17:51:55,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 44 [2025-01-29 17:51:55,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 94 [2025-01-29 17:51:55,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 76 [2025-01-29 17:51:55,930 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 17:51:55,930 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 17:51:56,146 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:51:56,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 27 [2025-01-29 17:51:56,210 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:51:56,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 84 [2025-01-29 17:51:56,218 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:51:56,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 68 [2025-01-29 17:51:56,297 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 17:51:56,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68468169] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 17:51:56,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 17:51:56,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2025-01-29 17:51:56,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494920229] [2025-01-29 17:51:56,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 17:51:56,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-29 17:51:56,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:51:56,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-29 17:51:56,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2025-01-29 17:51:56,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:56,301 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:51:56,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.0833333333333335) internal successors, (50), 24 states have internal predecessors, (50), 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 17:51:56,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:56,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:56,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:56,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:56,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:56,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:56,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:56,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:56,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:56,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:56,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:51:56,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:58,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:51:58,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:51:58,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-29 17:51:58,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 17:51:58,270 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 17:51:58,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:51:58,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1063915595, now seen corresponding path program 3 times [2025-01-29 17:51:58,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:51:58,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111921265] [2025-01-29 17:51:58,270 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-29 17:51:58,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:51:58,275 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 21 statements into 2 equivalence classes. [2025-01-29 17:51:58,298 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-01-29 17:51:58,298 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-29 17:51:58,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:51:58,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 17:51:58,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:51:58,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111921265] [2025-01-29 17:51:58,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111921265] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 17:51:58,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804707309] [2025-01-29 17:51:58,674 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-29 17:51:58,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 17:51:58,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 17:51:58,676 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 17:51:58,679 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 17:51:58,706 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 21 statements into 2 equivalence classes. [2025-01-29 17:51:58,716 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-01-29 17:51:58,716 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-29 17:51:58,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:51:58,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-29 17:51:58,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 17:51:58,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 62 [2025-01-29 17:51:58,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 98 [2025-01-29 17:51:58,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 80 [2025-01-29 17:51:59,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 17:51:59,188 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 17:51:59,519 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:51:59,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 108 [2025-01-29 17:51:59,699 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:51:59,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 48 [2025-01-29 17:51:59,707 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:51:59,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 44 [2025-01-29 17:51:59,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 17:51:59,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804707309] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 17:51:59,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 17:51:59,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2025-01-29 17:51:59,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805013779] [2025-01-29 17:51:59,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 17:51:59,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-29 17:51:59,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:51:59,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-29 17:51:59,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2025-01-29 17:51:59,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:51:59,743 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:51:59,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.0833333333333335) internal successors, (50), 24 states have internal predecessors, (50), 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 17:51:59,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:59,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:59,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:59,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:51:59,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:59,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:59,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:59,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:51:59,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:59,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:51:59,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:51:59,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:51:59,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:00,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:00,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:00,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:00,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:00,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:00,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:00,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:00,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:00,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:00,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:00,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:00,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:52:00,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:00,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-29 17:52:00,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-01-29 17:52:00,947 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 17:52:00,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:52:00,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1843028868, now seen corresponding path program 4 times [2025-01-29 17:52:00,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:52:00,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599996950] [2025-01-29 17:52:00,948 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-29 17:52:00,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:52:00,952 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 22 statements into 2 equivalence classes. [2025-01-29 17:52:00,957 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-29 17:52:00,958 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-29 17:52:00,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:52:01,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 17:52:01,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:52:01,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599996950] [2025-01-29 17:52:01,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599996950] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 17:52:01,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275916765] [2025-01-29 17:52:01,177 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-29 17:52:01,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 17:52:01,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 17:52:01,180 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 17:52:01,182 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 17:52:01,217 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 22 statements into 2 equivalence classes. [2025-01-29 17:52:01,228 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-29 17:52:01,229 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-29 17:52:01,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:52:01,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-29 17:52:01,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 17:52:01,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2025-01-29 17:52:01,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 29 [2025-01-29 17:52:01,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2025-01-29 17:52:01,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 17:52:01,401 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 17:52:01,438 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:01,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36 [2025-01-29 17:52:01,499 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:01,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 31 [2025-01-29 17:52:01,506 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:01,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 31 [2025-01-29 17:52:01,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 17:52:01,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275916765] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 17:52:01,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 17:52:01,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 17 [2025-01-29 17:52:01,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13264139] [2025-01-29 17:52:01,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 17:52:01,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-29 17:52:01,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:52:01,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-29 17:52:01,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2025-01-29 17:52:01,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:01,539 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:52:01,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 17 states have internal predecessors, (32), 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 17:52:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:52:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:02,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:02,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:02,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:02,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:02,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:02,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:02,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:02,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:02,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:02,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:02,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:02,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:52:02,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:02,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:02,025 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 17:52:02,217 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,SelfDestructingSolverStorable13 [2025-01-29 17:52:02,218 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 17:52:02,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:52:02,218 INFO L85 PathProgramCache]: Analyzing trace with hash 247741801, now seen corresponding path program 5 times [2025-01-29 17:52:02,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:52:02,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838087442] [2025-01-29 17:52:02,218 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-29 17:52:02,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:52:02,222 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 22 statements into 2 equivalence classes. [2025-01-29 17:52:02,235 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 22 of 22 statements. [2025-01-29 17:52:02,235 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-29 17:52:02,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:52:02,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 17:52:02,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:52:02,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838087442] [2025-01-29 17:52:02,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838087442] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 17:52:02,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579279870] [2025-01-29 17:52:02,441 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-29 17:52:02,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 17:52:02,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 17:52:02,443 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 17:52:02,445 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 17:52:02,471 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 22 statements into 2 equivalence classes. [2025-01-29 17:52:02,483 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 22 of 22 statements. [2025-01-29 17:52:02,483 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-29 17:52:02,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:52:02,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-29 17:52:02,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 17:52:02,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2025-01-29 17:52:02,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2025-01-29 17:52:02,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2025-01-29 17:52:02,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 17:52:02,653 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 17:52:02,742 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:02,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 31 [2025-01-29 17:52:02,783 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:02,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2025-01-29 17:52:02,788 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:02,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2025-01-29 17:52:02,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 17:52:02,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579279870] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 17:52:02,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 17:52:02,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 18 [2025-01-29 17:52:02,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629324959] [2025-01-29 17:52:02,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 17:52:02,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-01-29 17:52:02,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:52:02,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-01-29 17:52:02,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2025-01-29 17:52:02,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:02,802 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:52:02,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 18 states have internal predecessors, (32), 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 17:52:02,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:02,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:02,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:02,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:02,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:02,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:02,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:02,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:02,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:02,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:02,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:02,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:52:02,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:02,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:02,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:03,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:03,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:03,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:03,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:03,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:03,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:03,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:03,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:03,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:03,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:03,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:03,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:52:03,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:03,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:03,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-29 17:52:03,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-29 17:52:03,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 17:52:03,391 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 17:52:03,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:52:03,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1233572884, now seen corresponding path program 6 times [2025-01-29 17:52:03,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:52:03,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218592203] [2025-01-29 17:52:03,392 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-29 17:52:03,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:52:03,396 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 23 statements into 3 equivalence classes. [2025-01-29 17:52:03,425 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 23 of 23 statements. [2025-01-29 17:52:03,425 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-01-29 17:52:03,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:52:04,437 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 17:52:04,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:52:04,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218592203] [2025-01-29 17:52:04,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218592203] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 17:52:04,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252944012] [2025-01-29 17:52:04,438 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-29 17:52:04,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 17:52:04,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 17:52:04,440 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 17:52:04,443 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 17:52:04,463 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 23 statements into 3 equivalence classes. [2025-01-29 17:52:04,475 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 23 of 23 statements. [2025-01-29 17:52:04,475 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-01-29 17:52:04,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:52:04,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-29 17:52:04,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 17:52:04,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 91 [2025-01-29 17:52:04,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 141 [2025-01-29 17:52:04,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 117 [2025-01-29 17:52:05,696 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 17:52:05,696 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 17:52:06,097 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:06,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 113 treesize of output 105 [2025-01-29 17:52:06,250 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:06,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 113 [2025-01-29 17:52:06,257 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:06,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 97 [2025-01-29 17:52:06,457 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-29 17:52:06,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252944012] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 17:52:06,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 17:52:06,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 13] total 29 [2025-01-29 17:52:06,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456949336] [2025-01-29 17:52:06,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 17:52:06,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-01-29 17:52:06,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:52:06,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-01-29 17:52:06,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=736, Unknown=0, NotChecked=0, Total=812 [2025-01-29 17:52:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:06,459 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:52:06,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.8275862068965518) internal successors, (53), 29 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 17:52:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:52:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:06,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-29 17:52:06,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:09,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:09,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:52:09,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:09,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:09,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-29 17:52:09,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-29 17:52:09,139 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 17:52:09,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 17:52:09,334 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 17:52:09,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:52:09,334 INFO L85 PathProgramCache]: Analyzing trace with hash 54216278, now seen corresponding path program 7 times [2025-01-29 17:52:09,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:52:09,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170177344] [2025-01-29 17:52:09,334 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-29 17:52:09,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:52:09,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-29 17:52:09,345 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-29 17:52:09,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 17:52:09,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:52:10,070 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 17:52:10,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:52:10,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170177344] [2025-01-29 17:52:10,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170177344] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 17:52:10,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863302458] [2025-01-29 17:52:10,070 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-29 17:52:10,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 17:52:10,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 17:52:10,075 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 17:52:10,076 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 17:52:10,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-29 17:52:10,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-29 17:52:10,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 17:52:10,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:52:10,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-01-29 17:52:10,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 17:52:10,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 44 [2025-01-29 17:52:10,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 94 [2025-01-29 17:52:10,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 76 [2025-01-29 17:52:10,759 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 17:52:10,759 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 17:52:10,982 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:10,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 27 [2025-01-29 17:52:11,039 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:11,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 80 [2025-01-29 17:52:11,046 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:11,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 64 [2025-01-29 17:52:11,161 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-29 17:52:11,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863302458] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 17:52:11,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 17:52:11,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 13] total 30 [2025-01-29 17:52:11,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166164343] [2025-01-29 17:52:11,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 17:52:11,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-01-29 17:52:11,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:52:11,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-01-29 17:52:11,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=791, Unknown=0, NotChecked=0, Total=870 [2025-01-29 17:52:11,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:11,163 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:52:11,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 1.8666666666666667) internal successors, (56), 30 states have internal predecessors, (56), 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 17:52:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:52:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-29 17:52:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-29 17:52:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:14,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:14,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:14,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:14,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:14,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:14,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:14,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:14,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:14,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:14,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:14,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:14,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:52:14,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:14,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:14,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-29 17:52:14,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:52:14,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-01-29 17:52:14,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-29 17:52:14,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-29 17:52:14,698 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 17:52:14,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:52:14,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1392739566, now seen corresponding path program 8 times [2025-01-29 17:52:14,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:52:14,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204827331] [2025-01-29 17:52:14,698 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-29 17:52:14,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:52:14,701 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 24 statements into 2 equivalence classes. [2025-01-29 17:52:14,709 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-01-29 17:52:14,709 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-29 17:52:14,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:52:15,133 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 17:52:15,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:52:15,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204827331] [2025-01-29 17:52:15,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204827331] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 17:52:15,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528872577] [2025-01-29 17:52:15,134 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-29 17:52:15,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 17:52:15,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 17:52:15,136 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 17:52:15,138 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 17:52:15,161 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 24 statements into 2 equivalence classes. [2025-01-29 17:52:15,176 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-01-29 17:52:15,176 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-29 17:52:15,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:52:15,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-01-29 17:52:15,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 17:52:15,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 62 [2025-01-29 17:52:15,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 102 [2025-01-29 17:52:15,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 82 [2025-01-29 17:52:15,688 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 17:52:15,688 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 17:52:16,027 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:16,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 108 treesize of output 100 [2025-01-29 17:52:16,142 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:16,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2025-01-29 17:52:16,148 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:16,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2025-01-29 17:52:16,238 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-29 17:52:16,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528872577] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 17:52:16,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 17:52:16,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 13] total 29 [2025-01-29 17:52:16,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339092295] [2025-01-29 17:52:16,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 17:52:16,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-01-29 17:52:16,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:52:16,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-01-29 17:52:16,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=737, Unknown=0, NotChecked=0, Total=812 [2025-01-29 17:52:16,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:16,240 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:52:16,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.9310344827586208) internal successors, (56), 29 states have internal predecessors, (56), 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 17:52:16,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:16,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:16,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:16,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:16,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:16,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:16,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:16,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:16,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:16,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:16,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:16,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:52:16,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:16,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:16,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-29 17:52:16,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:52:16,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-01-29 17:52:16,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:18,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:18,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:18,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:18,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:18,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:18,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:18,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:18,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-29 17:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-01-29 17:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-29 17:52:18,092 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-29 17:52:18,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-29 17:52:18,287 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 17:52:18,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:52:18,287 INFO L85 PathProgramCache]: Analyzing trace with hash 689927531, now seen corresponding path program 9 times [2025-01-29 17:52:18,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:52:18,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630363070] [2025-01-29 17:52:18,287 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-29 17:52:18,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:52:18,290 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 25 statements into 3 equivalence classes. [2025-01-29 17:52:18,306 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 25 of 25 statements. [2025-01-29 17:52:18,306 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-29 17:52:18,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:52:18,591 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 17:52:18,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:52:18,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630363070] [2025-01-29 17:52:18,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630363070] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 17:52:18,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053482235] [2025-01-29 17:52:18,591 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-29 17:52:18,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 17:52:18,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 17:52:18,593 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 17:52:18,596 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 17:52:18,620 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 25 statements into 3 equivalence classes. [2025-01-29 17:52:18,637 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 25 of 25 statements. [2025-01-29 17:52:18,637 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-29 17:52:18,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:52:18,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-29 17:52:18,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 17:52:18,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2025-01-29 17:52:18,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 29 [2025-01-29 17:52:18,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2025-01-29 17:52:18,839 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 17:52:18,839 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 17:52:18,911 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:18,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2025-01-29 17:52:18,963 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:18,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2025-01-29 17:52:18,971 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:18,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2025-01-29 17:52:19,054 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-29 17:52:19,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053482235] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 17:52:19,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 17:52:19,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 12] total 22 [2025-01-29 17:52:19,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400354943] [2025-01-29 17:52:19,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 17:52:19,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-29 17:52:19,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:52:19,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-29 17:52:19,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2025-01-29 17:52:19,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:19,056 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:52:19,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 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 17:52:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:52:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-29 17:52:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:52:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-01-29 17:52:19,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-29 17:52:19,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:52:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-29 17:52:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-29 17:52:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-29 17:52:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-29 17:52:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-29 17:52:20,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-29 17:52:20,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 17:52:20,498 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 17:52:20,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:52:20,498 INFO L85 PathProgramCache]: Analyzing trace with hash -905359536, now seen corresponding path program 10 times [2025-01-29 17:52:20,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:52:20,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591435043] [2025-01-29 17:52:20,499 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-29 17:52:20,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:52:20,502 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 25 statements into 2 equivalence classes. [2025-01-29 17:52:20,508 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-29 17:52:20,508 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-29 17:52:20,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:52:20,776 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 17:52:20,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:52:20,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591435043] [2025-01-29 17:52:20,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591435043] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 17:52:20,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943336635] [2025-01-29 17:52:20,777 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-29 17:52:20,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 17:52:20,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 17:52:20,779 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 17:52:20,782 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 17:52:20,808 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 25 statements into 2 equivalence classes. [2025-01-29 17:52:20,825 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-29 17:52:20,825 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-29 17:52:20,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:52:20,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-29 17:52:20,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 17:52:20,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2025-01-29 17:52:20,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2025-01-29 17:52:20,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2025-01-29 17:52:20,969 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 17:52:20,970 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 17:52:21,045 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:21,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 31 [2025-01-29 17:52:21,106 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:21,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2025-01-29 17:52:21,113 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:21,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2025-01-29 17:52:21,197 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-29 17:52:21,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943336635] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 17:52:21,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 17:52:21,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 12] total 21 [2025-01-29 17:52:21,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310663264] [2025-01-29 17:52:21,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 17:52:21,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-01-29 17:52:21,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:52:21,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-01-29 17:52:21,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2025-01-29 17:52:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:21,199 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:52:21,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 21 states have internal predecessors, (36), 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 17:52:21,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:21,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:21,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:21,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:21,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:21,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:21,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:21,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:21,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:21,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:21,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:21,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:52:21,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:21,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:21,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-29 17:52:21,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-29 17:52:21,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-29 17:52:21,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-29 17:52:21,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-29 17:52:21,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-29 17:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-29 17:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-29 17:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-01-29 17:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-29 17:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-29 17:52:22,514 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 17:52:22,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 17:52:22,709 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 17:52:22,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:52:22,710 INFO L85 PathProgramCache]: Analyzing trace with hash -416213460, now seen corresponding path program 11 times [2025-01-29 17:52:22,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:52:22,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571334009] [2025-01-29 17:52:22,710 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-29 17:52:22,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:52:22,712 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 27 statements into 4 equivalence classes. [2025-01-29 17:52:22,728 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 27 of 27 statements. [2025-01-29 17:52:22,728 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-01-29 17:52:22,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:52:23,152 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-29 17:52:23,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:52:23,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571334009] [2025-01-29 17:52:23,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571334009] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-29 17:52:23,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632680424] [2025-01-29 17:52:23,153 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-29 17:52:23,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 17:52:23,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-29 17:52:23,155 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 17:52:23,156 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 17:52:23,176 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 27 statements into 4 equivalence classes. [2025-01-29 17:52:23,193 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 27 of 27 statements. [2025-01-29 17:52:23,193 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-01-29 17:52:23,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:52:23,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-01-29 17:52:23,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-29 17:52:23,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 92 [2025-01-29 17:52:23,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 119 [2025-01-29 17:52:23,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 101 [2025-01-29 17:52:24,026 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-29 17:52:24,027 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-29 17:52:24,411 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:24,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 71 [2025-01-29 17:52:24,538 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:24,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 102 [2025-01-29 17:52:24,548 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-29 17:52:24,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 86 [2025-01-29 17:52:24,681 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-29 17:52:24,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632680424] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-29 17:52:24,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-29 17:52:24,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17, 13] total 32 [2025-01-29 17:52:24,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401310179] [2025-01-29 17:52:24,681 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-29 17:52:24,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-01-29 17:52:24,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:52:24,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-01-29 17:52:24,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=907, Unknown=0, NotChecked=0, Total=992 [2025-01-29 17:52:24,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:24,682 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:52:24,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.84375) internal successors, (59), 32 states have internal predecessors, (59), 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 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-29 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-29 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-29 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-29 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-01-29 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-29 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-29 17:52:24,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:29,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-29 17:52:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-29 17:52:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-29 17:52:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-29 17:52:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-01-29 17:52:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-29 17:52:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-29 17:52:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-29 17:52:29,165 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 17:52:29,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-29 17:52:29,360 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 17:52:29,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:52:29,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1641822133, now seen corresponding path program 1 times [2025-01-29 17:52:29,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:52:29,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305605010] [2025-01-29 17:52:29,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 17:52:29,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:52:29,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-29 17:52:29,362 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-29 17:52:29,362 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 17:52:29,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:52:29,374 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 17:52:29,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:52:29,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305605010] [2025-01-29 17:52:29,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305605010] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 17:52:29,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 17:52:29,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-29 17:52:29,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604556639] [2025-01-29 17:52:29,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 17:52:29,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-29 17:52:29,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:52:29,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-29 17:52:29,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-29 17:52:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:29,375 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:52:29,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-29 17:52:29,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:29,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-29 17:52:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-29 17:52:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-29 17:52:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-29 17:52:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-01-29 17:52:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-29 17:52:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-29 17:52:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-29 17:52:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-01-29 17:52:29,527 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 17:52:29,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:52:29,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1129804576, now seen corresponding path program 1 times [2025-01-29 17:52:29,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:52:29,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372408871] [2025-01-29 17:52:29,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 17:52:29,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:52:29,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-29 17:52:29,529 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-29 17:52:29,529 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 17:52:29,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:52:29,541 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 17:52:29,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:52:29,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372408871] [2025-01-29 17:52:29,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372408871] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 17:52:29,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 17:52:29,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-29 17:52:29,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428420810] [2025-01-29 17:52:29,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 17:52:29,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-29 17:52:29,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:52:29,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-29 17:52:29,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-29 17:52:29,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:29,542 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:52:29,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 17:52:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-29 17:52:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-29 17:52:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-29 17:52:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-29 17:52:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-01-29 17:52:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-01-29 17:52:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-29 17:52:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-29 17:52:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-29 17:52:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-01-29 17:52:29,626 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 17:52:29,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-29 17:52:29,626 INFO L85 PathProgramCache]: Analyzing trace with hash 628623579, now seen corresponding path program 1 times [2025-01-29 17:52:29,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-29 17:52:29,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591359914] [2025-01-29 17:52:29,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-29 17:52:29,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-29 17:52:29,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-29 17:52:29,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-29 17:52:29,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-29 17:52:29,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-29 17:52:29,659 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 17:52:29,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-29 17:52:29,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591359914] [2025-01-29 17:52:29,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591359914] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-29 17:52:29,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-29 17:52:29,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-29 17:52:29,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842509895] [2025-01-29 17:52:29,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-29 17:52:29,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-29 17:52:29,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-29 17:52:29,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-29 17:52:29,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-29 17:52:29,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:29,662 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-29 17:52:29,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-29 17:52:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-29 17:52:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-29 17:52:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-29 17:52:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-29 17:52:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-01-29 17:52:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-01-29 17:52:29,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-29 17:52:29,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-29 17:52:29,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-29 17:52:29,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-29 17:52:29,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2025-01-29 17:52:29,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-01-29 17:52:29,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-01-29 17:52:29,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-01-29 17:52:29,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-01-29 17:52:29,770 INFO L422 BasicCegarLoop]: Path program histogram: [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-29 17:52:29,772 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-29 17:52:29,772 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-29 17:52:29,780 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 17:52:29,780 INFO L201 PluginConnector]: Adding new model word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 05:52:29 BasicIcfg [2025-01-29 17:52:29,781 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-29 17:52:29,781 INFO L158 Benchmark]: Toolchain (without parser) took 46465.08ms. Allocated memory was 167.8MB in the beginning and 394.3MB in the end (delta: 226.5MB). Free memory was 99.8MB in the beginning and 211.5MB in the end (delta: -111.7MB). Peak memory consumption was 114.8MB. Max. memory is 16.0GB. [2025-01-29 17:52:29,781 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-29 17:52:29,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.89ms. Allocated memory is still 167.8MB. Free memory was 98.9MB in the beginning and 97.9MB in the end (delta: 922.8kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-29 17:52:29,782 INFO L158 Benchmark]: Boogie Preprocessor took 15.32ms. Allocated memory is still 167.8MB. Free memory was 97.9MB in the beginning and 97.0MB in the end (delta: 922.8kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-29 17:52:29,782 INFO L158 Benchmark]: RCFGBuilder took 335.54ms. Allocated memory is still 167.8MB. Free memory was 97.0MB in the beginning and 79.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2025-01-29 17:52:29,782 INFO L158 Benchmark]: TraceAbstraction took 46076.16ms. Allocated memory was 167.8MB in the beginning and 394.3MB in the end (delta: 226.5MB). Free memory was 79.3MB in the beginning and 211.5MB in the end (delta: -132.2MB). Peak memory consumption was 98.0MB. Max. memory is 16.0GB. [2025-01-29 17:52:29,783 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 0.33ms. Allocated memory is still 167.8MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 32.89ms. Allocated memory is still 167.8MB. Free memory was 98.9MB in the beginning and 97.9MB in the end (delta: 922.8kB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 15.32ms. Allocated memory is still 167.8MB. Free memory was 97.9MB in the beginning and 97.0MB in the end (delta: 922.8kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 335.54ms. Allocated memory is still 167.8MB. Free memory was 97.0MB in the beginning and 79.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 46076.16ms. Allocated memory was 167.8MB in the beginning and 394.3MB in the end (delta: 226.5MB). Free memory was 79.3MB in the beginning and 211.5MB in the end (delta: -132.2MB). Peak memory consumption was 98.0MB. 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: 13503, independent: 9827, independent conditional: 9366, independent unconditional: 461, dependent: 3676, dependent conditional: 3675, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9828, independent: 9827, independent conditional: 0, independent unconditional: 9827, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 462, independent: 461, independent conditional: 0, independent unconditional: 461, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 462, independent: 459, independent conditional: 0, independent unconditional: 459, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, independent: 36, independent conditional: 0, independent unconditional: 36, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 9828, independent: 9366, independent conditional: 0, independent unconditional: 9366, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 462, unknown conditional: 0, unknown unconditional: 462] , Statistics on independence cache: Total cache size (in pairs): 462, Positive cache size: 461, Positive conditional cache size: 0, Positive unconditional cache size: 461, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 3675, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 109, Number of trivial persistent sets: 63, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13503, independent: 9827, independent conditional: 9366, independent unconditional: 461, dependent: 3676, dependent conditional: 3675, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9828, independent: 9827, independent conditional: 0, independent unconditional: 9827, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 462, independent: 461, independent conditional: 0, independent unconditional: 461, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 462, independent: 459, independent conditional: 0, independent unconditional: 459, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, independent: 36, independent conditional: 0, independent unconditional: 36, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 9828, independent: 9366, independent conditional: 0, independent unconditional: 9366, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 462, unknown conditional: 0, unknown unconditional: 462] , Statistics on independence cache: Total cache size (in pairs): 462, Positive cache size: 461, Positive conditional cache size: 0, Positive unconditional cache size: 461, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 3675 - PositiveResult [Line: 128]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 38 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 45.9s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 23.2s, 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: 379, 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, 0.4s SatisfiabilityAnalysisTime, 19.2s InterpolantComputationTime, 742 NumberOfCodeBlocks, 742 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 966 ConstructedInterpolants, 0 QuantifiedInterpolants, 12587 SizeOfPredicates, 211 NumberOfNonLiveVariables, 1228 ConjunctsInSsa, 283 ConjunctsInUnsatCore, 48 InterpolantComputations, 13 PerfectInterpolantSequences, 17/168 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-29 17:52:29,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...