/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/difference-det.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 23:26:04,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 23:26:04,103 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 23:26:04,107 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 23:26:04,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 23:26:04,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 23:26:04,121 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 23:26:04,121 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 23:26:04,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 23:26:04,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 23:26:04,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 23:26:04,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 23:26:04,122 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 23:26:04,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 23:26:04,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 23:26:04,123 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 23:26:04,123 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 23:26:04,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 23:26:04,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 23:26:04,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 23:26:04,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 23:26:04,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 23:26:04,125 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 23:26:04,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 23:26:04,125 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 23:26:04,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 23:26:04,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 23:26:04,126 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 23:26:04,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 23:26:04,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 23:26:04,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 23:26:04,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 23:26:04,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 23:26:04,127 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 23:26:04,128 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 23:26:04,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 23:26:04,128 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 23:26:04,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 23:26:04,128 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 23:26:04,129 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 [2024-04-06 23:26:04,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 23:26:04,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 23:26:04,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 23:26:04,337 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-06 23:26:04,339 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-06 23:26:04,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/difference-det.wvr.bpl [2024-04-06 23:26:04,340 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/difference-det.wvr.bpl' [2024-04-06 23:26:04,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 23:26:04,421 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-06 23:26:04,423 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 23:26:04,423 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 23:26:04,423 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 23:26:04,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:26:04" (1/1) ... [2024-04-06 23:26:04,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:26:04" (1/1) ... [2024-04-06 23:26:04,446 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-06 23:26:04,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 23:26:04,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 23:26:04,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 23:26:04,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 23:26:04,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:26:04" (1/1) ... [2024-04-06 23:26:04,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:26:04" (1/1) ... [2024-04-06 23:26:04,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:26:04" (1/1) ... [2024-04-06 23:26:04,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:26:04" (1/1) ... [2024-04-06 23:26:04,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:26:04" (1/1) ... [2024-04-06 23:26:04,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:26:04" (1/1) ... [2024-04-06 23:26:04,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:26:04" (1/1) ... [2024-04-06 23:26:04,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:26:04" (1/1) ... [2024-04-06 23:26:04,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 23:26:04,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 23:26:04,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 23:26:04,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 23:26:04,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:26:04" (1/1) ... [2024-04-06 23:26:04,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 23:26:04,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:26:04,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-06 23:26:04,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-06 23:26:04,537 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-06 23:26:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-06 23:26:04,538 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-06 23:26:04,538 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-06 23:26:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-06 23:26:04,538 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-06 23:26:04,538 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-06 23:26:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 23:26:04,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 23:26:04,539 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-04-06 23:26:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-06 23:26:04,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-06 23:26:04,539 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2024-04-06 23:26:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-06 23:26:04,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-06 23:26:04,540 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 23:26:04,579 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 23:26:04,580 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 23:26:04,678 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 23:26:04,697 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 23:26:04,697 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-06 23:26:04,699 INFO L201 PluginConnector]: Adding new model difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 11:26:04 BoogieIcfgContainer [2024-04-06 23:26:04,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 23:26:04,701 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 23:26:04,701 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 23:26:04,703 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 23:26:04,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:26:04" (1/2) ... [2024-04-06 23:26:04,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73af1c3 and model type difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 11:26:04, skipping insertion in model container [2024-04-06 23:26:04,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 11:26:04" (2/2) ... [2024-04-06 23:26:04,705 INFO L112 eAbstractionObserver]: Analyzing ICFG difference-det.wvr.bpl [2024-04-06 23:26:04,711 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 23:26:04,718 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 23:26:04,718 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 23:26:04,718 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 23:26:04,752 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-06 23:26:04,780 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 23:26:04,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 23:26:04,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:26:04,785 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-06 23:26:04,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-06 23:26:04,839 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 23:26:04,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:04,855 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 23:26:04,861 INFO L357 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, mHoare=true, 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;@6a231f23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-06 23:26:04,861 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-06 23:26:04,935 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:04,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:04,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1027987845, now seen corresponding path program 1 times [2024-04-06 23:26:04,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:04,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366409328] [2024-04-06 23:26:04,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:04,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:05,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:05,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:05,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366409328] [2024-04-06 23:26:05,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366409328] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 23:26:05,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 23:26:05,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-06 23:26:05,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804724108] [2024-04-06 23:26:05,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 23:26:05,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 23:26:05,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:05,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 23:26:05,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-06 23:26:05,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:05,209 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:05,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:26:05,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:05,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:05,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 23:26:05,276 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:05,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:05,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1009387307, now seen corresponding path program 1 times [2024-04-06 23:26:05,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:05,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081697495] [2024-04-06 23:26:05,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:05,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:05,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:05,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:05,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081697495] [2024-04-06 23:26:05,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081697495] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 23:26:05,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 23:26:05,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-06 23:26:05,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212460346] [2024-04-06 23:26:05,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 23:26:05,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-06 23:26:05,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:05,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 23:26:05,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-06 23:26:05,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:05,448 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:05,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:26:05,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:05,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:05,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:05,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:05,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 23:26:05,646 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:05,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:05,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1639454383, now seen corresponding path program 1 times [2024-04-06 23:26:05,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:05,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122051631] [2024-04-06 23:26:05,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:05,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:05,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:05,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:05,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122051631] [2024-04-06 23:26:05,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122051631] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 23:26:05,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 23:26:05,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-06 23:26:05,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586115640] [2024-04-06 23:26:05,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 23:26:05,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-06 23:26:05,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:05,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 23:26:05,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-06 23:26:05,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:05,717 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:05,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:26:05,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:05,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:05,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:05,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:05,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:05,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:05,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-06 23:26:05,904 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:05,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:05,904 INFO L85 PathProgramCache]: Analyzing trace with hash -2065799151, now seen corresponding path program 1 times [2024-04-06 23:26:05,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:05,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107010908] [2024-04-06 23:26:05,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:05,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:06,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 23:26:06,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:06,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107010908] [2024-04-06 23:26:06,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107010908] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:26:06,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592134252] [2024-04-06 23:26:06,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:06,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:06,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:26:06,054 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:26:06,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 23:26:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:06,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-06 23:26:06,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:26:06,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:06,231 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:26:06,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 23:26:06,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592134252] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:26:06,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:26:06,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 5] total 8 [2024-04-06 23:26:06,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951195009] [2024-04-06 23:26:06,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:26:06,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-06 23:26:06,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:06,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-06 23:26:06,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-04-06 23:26:06,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:06,265 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:06,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:26:06,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:06,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:06,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:06,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:06,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:06,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-06 23:26:06,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:06,556 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:06,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:06,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1142718707, now seen corresponding path program 2 times [2024-04-06 23:26:06,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:06,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079952469] [2024-04-06 23:26:06,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:06,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:06,652 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 23:26:06,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:06,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079952469] [2024-04-06 23:26:06,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079952469] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:26:06,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862673464] [2024-04-06 23:26:06,653 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 23:26:06,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:06,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:26:06,669 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:26:06,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 23:26:06,706 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 23:26:06,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:26:06,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjunts are in the unsatisfiable core [2024-04-06 23:26:06,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:26:06,833 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:06,833 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:26:06,950 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:06,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862673464] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:26:06,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:26:06,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 14 [2024-04-06 23:26:06,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019079527] [2024-04-06 23:26:06,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:26:06,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-06 23:26:06,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:06,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-06 23:26:06,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-04-06 23:26:06,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:06,955 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:06,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.6) internal successors, (69), 14 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:26:06,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:06,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:06,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:06,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:06,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:07,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:07,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:07,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:07,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:07,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:26:07,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-06 23:26:07,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:07,428 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:07,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:07,429 INFO L85 PathProgramCache]: Analyzing trace with hash -2059958413, now seen corresponding path program 3 times [2024-04-06 23:26:07,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:07,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814732380] [2024-04-06 23:26:07,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:07,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:07,499 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 23:26:07,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:07,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814732380] [2024-04-06 23:26:07,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814732380] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:26:07,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572294465] [2024-04-06 23:26:07,499 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 23:26:07,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:07,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:26:07,501 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:26:07,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 23:26:07,533 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-06 23:26:07,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:26:07,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjunts are in the unsatisfiable core [2024-04-06 23:26:07,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:26:07,625 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:07,625 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:26:07,703 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:07,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572294465] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:26:07,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:26:07,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 15 [2024-04-06 23:26:07,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676713320] [2024-04-06 23:26:07,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:26:07,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-06 23:26:07,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:07,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-06 23:26:07,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-04-06 23:26:07,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:07,705 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:07,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.3125) internal successors, (69), 15 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:26:07,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:07,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:07,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:07,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:07,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:26:07,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:08,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:08,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:08,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:08,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:08,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:08,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:08,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-06 23:26:08,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:08,276 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:08,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:08,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1769742673, now seen corresponding path program 1 times [2024-04-06 23:26:08,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:08,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144072911] [2024-04-06 23:26:08,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:08,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:08,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:08,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:08,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144072911] [2024-04-06 23:26:08,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144072911] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 23:26:08,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 23:26:08,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-06 23:26:08,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500670100] [2024-04-06 23:26:08,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 23:26:08,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-06 23:26:08,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:08,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 23:26:08,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-06 23:26:08,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:08,314 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:08,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 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) [2024-04-06 23:26:08,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:08,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:08,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:08,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:08,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:08,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:08,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:08,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:08,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:08,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:08,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:08,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:08,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:08,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:08,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-04-06 23:26:08,484 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:08,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:08,484 INFO L85 PathProgramCache]: Analyzing trace with hash -592519953, now seen corresponding path program 1 times [2024-04-06 23:26:08,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:08,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129636162] [2024-04-06 23:26:08,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:08,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:08,544 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:08,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:08,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129636162] [2024-04-06 23:26:08,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129636162] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 23:26:08,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 23:26:08,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-06 23:26:08,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236536577] [2024-04-06 23:26:08,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 23:26:08,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-06 23:26:08,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:08,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 23:26:08,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-06 23:26:08,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:08,546 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:08,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 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) [2024-04-06 23:26:08,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:08,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:08,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:08,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:08,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:08,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:08,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:08,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:08,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:08,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:08,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:08,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:08,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:08,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:08,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:08,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:08,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-04-06 23:26:08,678 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:08,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:08,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1491661811, now seen corresponding path program 1 times [2024-04-06 23:26:08,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:08,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90672971] [2024-04-06 23:26:08,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:08,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:08,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:08,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:08,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90672971] [2024-04-06 23:26:08,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90672971] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:26:08,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094814118] [2024-04-06 23:26:08,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:08,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:08,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:26:08,777 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:26:08,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-06 23:26:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:08,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-06 23:26:08,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:26:08,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:26:08,902 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:26:08,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:26:08,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094814118] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:26:08,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:26:08,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2024-04-06 23:26:08,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281718847] [2024-04-06 23:26:08,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:26:08,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-04-06 23:26:08,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:08,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-04-06 23:26:08,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-04-06 23:26:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:08,937 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:08,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:26:08,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:08,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:08,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:09,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:09,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:09,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:09,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:09,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:09,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:09,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:09,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:09,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:09,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-06 23:26:09,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-04-06 23:26:09,355 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:09,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:09,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1317598409, now seen corresponding path program 2 times [2024-04-06 23:26:09,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:09,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97960782] [2024-04-06 23:26:09,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:09,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:09,401 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 23:26:09,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:09,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97960782] [2024-04-06 23:26:09,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97960782] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:26:09,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394025238] [2024-04-06 23:26:09,402 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 23:26:09,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:09,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:26:09,403 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:26:09,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-06 23:26:09,475 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 23:26:09,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:26:09,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2024-04-06 23:26:09,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:26:09,643 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:09,643 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:26:09,724 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:09,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394025238] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:26:09,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:26:09,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 15 [2024-04-06 23:26:09,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828893426] [2024-04-06 23:26:09,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:26:09,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-06 23:26:09,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:09,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-06 23:26:09,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-04-06 23:26:09,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:09,729 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:09,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.133333333333334) internal successors, (77), 15 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:26:09,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:09,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:09,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:09,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:09,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:09,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:09,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:09,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:09,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:09,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:10,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:10,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:10,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:10,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:10,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:10,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:10,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:10,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:10,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:10,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 23:26:10,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-06 23:26:10,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-06 23:26:10,304 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:10,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:10,305 INFO L85 PathProgramCache]: Analyzing trace with hash -140375689, now seen corresponding path program 3 times [2024-04-06 23:26:10,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:10,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748357052] [2024-04-06 23:26:10,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:10,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:10,359 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 23:26:10,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:10,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748357052] [2024-04-06 23:26:10,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748357052] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:26:10,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776176145] [2024-04-06 23:26:10,360 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 23:26:10,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:10,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:26:10,377 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:26:10,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-06 23:26:10,427 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-06 23:26:10,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:26:10,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2024-04-06 23:26:10,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:26:10,521 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:10,521 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:26:10,612 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:10,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776176145] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:26:10,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:26:10,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 16 [2024-04-06 23:26:10,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028000580] [2024-04-06 23:26:10,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:26:10,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-06 23:26:10,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:10,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-06 23:26:10,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-04-06 23:26:10,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:10,616 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:10,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.0625) internal successors, (81), 16 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:26:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 23:26:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:11,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:11,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:11,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:11,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:11,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:11,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:11,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:11,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:11,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:11,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:11,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:11,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-06 23:26:11,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-04-06 23:26:11,366 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:11,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:11,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1914198281, now seen corresponding path program 4 times [2024-04-06 23:26:11,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:11,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874961371] [2024-04-06 23:26:11,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:11,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:11,471 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 27 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-04-06 23:26:11,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:11,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874961371] [2024-04-06 23:26:11,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874961371] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:26:11,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42176429] [2024-04-06 23:26:11,472 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 23:26:11,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:11,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:26:11,473 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:26:11,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-06 23:26:11,522 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 23:26:11,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:26:11,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 11 conjunts are in the unsatisfiable core [2024-04-06 23:26:11,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:26:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:11,733 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:26:11,899 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 26 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:11,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42176429] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:26:11,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:26:11,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 12] total 23 [2024-04-06 23:26:11,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757388685] [2024-04-06 23:26:11,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:26:11,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-06 23:26:11,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:11,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-06 23:26:11,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=379, Unknown=0, NotChecked=0, Total=506 [2024-04-06 23:26:11,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:11,902 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:11,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.130434782608695) internal successors, (118), 23 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:26:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:12,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:12,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:12,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:12,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:12,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:12,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:12,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:12,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:12,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:12,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:12,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:26:12,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-06 23:26:12,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-06 23:26:12,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:12,828 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:12,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:12,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1068192599, now seen corresponding path program 5 times [2024-04-06 23:26:12,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:12,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167017453] [2024-04-06 23:26:12,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:12,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:13,097 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-04-06 23:26:13,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:13,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167017453] [2024-04-06 23:26:13,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167017453] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:26:13,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169009833] [2024-04-06 23:26:13,098 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 23:26:13,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:13,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:26:13,099 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:26:13,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-06 23:26:13,156 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-04-06 23:26:13,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:26:13,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-06 23:26:13,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:26:13,347 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 37 proven. 59 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-04-06 23:26:13,347 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:26:13,605 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 3 proven. 93 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-04-06 23:26:13,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169009833] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:26:13,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:26:13,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 24 [2024-04-06 23:26:13,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032266897] [2024-04-06 23:26:13,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:26:13,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-06 23:26:13,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:13,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-06 23:26:13,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2024-04-06 23:26:13,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:13,610 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:13,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.916666666666667) internal successors, (118), 24 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:26:13,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:13,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:13,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:13,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:13,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:13,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:13,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:13,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:13,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:13,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:13,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:26:13,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-06 23:26:13,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:14,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:14,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:14,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:14,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:14,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:14,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:14,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:14,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:14,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:14,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:14,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:26:14,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-06 23:26:14,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:26:14,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-06 23:26:14,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:14,335 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:14,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:14,336 INFO L85 PathProgramCache]: Analyzing trace with hash 190032379, now seen corresponding path program 6 times [2024-04-06 23:26:14,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:14,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859695404] [2024-04-06 23:26:14,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:14,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:14,478 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 19 proven. 80 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-04-06 23:26:14,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:14,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859695404] [2024-04-06 23:26:14,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859695404] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:26:14,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200366943] [2024-04-06 23:26:14,479 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 23:26:14,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:14,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:26:14,480 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:26:14,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-06 23:26:14,528 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-04-06 23:26:14,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:26:14,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 15 conjunts are in the unsatisfiable core [2024-04-06 23:26:14,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:26:14,849 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 19 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:14,849 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:26:15,098 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 58 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:15,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200366943] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:26:15,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:26:15,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 16, 16] total 32 [2024-04-06 23:26:15,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467973114] [2024-04-06 23:26:15,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:26:15,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-06 23:26:15,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:15,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-06 23:26:15,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=748, Unknown=0, NotChecked=0, Total=992 [2024-04-06 23:26:15,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:15,101 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:15,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 5.0) internal successors, (160), 32 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:26:15,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:15,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:15,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:15,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:15,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:15,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:15,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:15,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:15,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:15,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:15,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:26:15,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-06 23:26:15,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:26:15,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:16,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:16,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:16,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:16,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:16,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:16,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:16,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:16,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:16,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:16,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:16,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:26:16,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:26:16,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:26:16,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 23:26:16,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-04-06 23:26:16,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-04-06 23:26:16,860 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:16,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:16,860 INFO L85 PathProgramCache]: Analyzing trace with hash 662560723, now seen corresponding path program 7 times [2024-04-06 23:26:16,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:16,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453743179] [2024-04-06 23:26:16,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:16,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:17,059 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 21 proven. 92 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-04-06 23:26:17,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:17,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453743179] [2024-04-06 23:26:17,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453743179] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:26:17,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405230200] [2024-04-06 23:26:17,059 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 23:26:17,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:17,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:26:17,060 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:26:17,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-06 23:26:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:17,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 19 conjunts are in the unsatisfiable core [2024-04-06 23:26:17,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:26:17,553 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 3 proven. 270 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:26:17,554 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:26:17,938 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 14 proven. 259 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:26:17,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405230200] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:26:17,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:26:17,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 20, 20] total 40 [2024-04-06 23:26:17,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656762312] [2024-04-06 23:26:17,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:26:17,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-04-06 23:26:17,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:17,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-04-06 23:26:17,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=1241, Unknown=0, NotChecked=0, Total=1560 [2024-04-06 23:26:17,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:17,940 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:17,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 4.85) internal successors, (194), 40 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:26:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:26:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:26:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:26:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-06 23:26:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:26:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:26:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:26:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 23:26:20,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-06 23:26:20,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-06 23:26:20,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:20,766 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:20,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:20,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1475665863, now seen corresponding path program 8 times [2024-04-06 23:26:20,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:20,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540612378] [2024-04-06 23:26:20,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:20,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:21,200 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 0 proven. 188 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-04-06 23:26:21,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:21,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540612378] [2024-04-06 23:26:21,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540612378] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:26:21,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60942161] [2024-04-06 23:26:21,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 23:26:21,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:21,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:26:21,201 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:26:21,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-06 23:26:21,266 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 23:26:21,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:26:21,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 63 conjunts are in the unsatisfiable core [2024-04-06 23:26:21,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:26:21,608 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 55 proven. 144 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-04-06 23:26:21,608 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:26:22,138 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 55 proven. 141 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-04-06 23:26:22,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60942161] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:26:22,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:26:22,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15, 13] total 30 [2024-04-06 23:26:22,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581521747] [2024-04-06 23:26:22,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:26:22,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-04-06 23:26:22,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:22,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-04-06 23:26:22,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=710, Unknown=0, NotChecked=0, Total=870 [2024-04-06 23:26:22,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:22,143 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:22,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.366666666666666) internal successors, (131), 30 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:26:22,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:22,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:22,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:22,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:22,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:22,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:22,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:22,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:22,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:22,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:22,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:26:22,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:26:22,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:26:22,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-06 23:26:22,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-06 23:26:22,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:23,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:23,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:23,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:23,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:23,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:26:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:26:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:26:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 23:26:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-06 23:26:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:26:23,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-06 23:26:23,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-04-06 23:26:23,243 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:23,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:23,244 INFO L85 PathProgramCache]: Analyzing trace with hash 481715667, now seen corresponding path program 9 times [2024-04-06 23:26:23,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:23,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796705515] [2024-04-06 23:26:23,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:23,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:23,443 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 24 proven. 180 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-04-06 23:26:23,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:23,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796705515] [2024-04-06 23:26:23,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796705515] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:26:23,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815069216] [2024-04-06 23:26:23,443 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 23:26:23,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:23,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:26:23,444 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:26:23,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-06 23:26:23,499 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-04-06 23:26:23,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:26:23,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 23 conjunts are in the unsatisfiable core [2024-04-06 23:26:23,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:26:24,069 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 24 proven. 397 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:26:24,069 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:26:24,562 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 129 proven. 292 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:26:24,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815069216] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:26:24,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:26:24,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 24, 24] total 48 [2024-04-06 23:26:24,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50435345] [2024-04-06 23:26:24,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:26:24,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-04-06 23:26:24,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:24,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-04-06 23:26:24,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=493, Invalid=1763, Unknown=0, NotChecked=0, Total=2256 [2024-04-06 23:26:24,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:24,565 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:24,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.666666666666667) internal successors, (224), 48 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:26:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:24,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:26:24,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:26:24,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:26:24,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-06 23:26:24,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-06 23:26:24,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:26:24,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:27,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:27,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:27,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:27,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:27,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:27,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:26:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:26:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:26:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:26:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:26:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:26:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-06 23:26:27,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-06 23:26:27,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-04-06 23:26:27,537 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:27,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:27,538 INFO L85 PathProgramCache]: Analyzing trace with hash -424842765, now seen corresponding path program 10 times [2024-04-06 23:26:27,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:27,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365599056] [2024-04-06 23:26:27,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:27,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:27,791 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 108 proven. 105 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-04-06 23:26:27,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:27,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365599056] [2024-04-06 23:26:27,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365599056] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:26:27,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277252815] [2024-04-06 23:26:27,791 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 23:26:27,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:27,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:26:27,792 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:26:27,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-06 23:26:27,861 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 23:26:27,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:26:27,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 27 conjunts are in the unsatisfiable core [2024-04-06 23:26:27,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:26:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 25 proven. 578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:28,454 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:26:29,158 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 31 proven. 572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:29,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277252815] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:26:29,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:26:29,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 28, 28] total 58 [2024-04-06 23:26:29,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986903863] [2024-04-06 23:26:29,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:26:29,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-04-06 23:26:29,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:29,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-04-06 23:26:29,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=602, Invalid=2704, Unknown=0, NotChecked=0, Total=3306 [2024-04-06 23:26:29,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:29,161 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:29,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 4.568965517241379) internal successors, (265), 58 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:26:29,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:29,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:29,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:29,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:29,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:29,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:29,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:29,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:29,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:29,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:29,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:26:29,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:26:29,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:26:29,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:26:29,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:26:29,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:26:29,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-04-06 23:26:29,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:34,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:26:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:26:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:26:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:26:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:26:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:26:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-06 23:26:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:26:34,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-04-06 23:26:35,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-06 23:26:35,012 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:35,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:35,012 INFO L85 PathProgramCache]: Analyzing trace with hash 568648469, now seen corresponding path program 11 times [2024-04-06 23:26:35,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:35,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169992917] [2024-04-06 23:26:35,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:35,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:35,508 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-04-06 23:26:35,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:35,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169992917] [2024-04-06 23:26:35,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169992917] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:26:35,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501547458] [2024-04-06 23:26:35,508 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 23:26:35,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:35,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:26:35,509 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:26:35,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-06 23:26:35,591 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-04-06 23:26:35,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:26:35,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 113 conjunts are in the unsatisfiable core [2024-04-06 23:26:35,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:26:35,885 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 0 proven. 254 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2024-04-06 23:26:35,885 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:26:36,016 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2024-04-06 23:26:36,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501547458] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:26:36,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:26:36,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 8] total 19 [2024-04-06 23:26:36,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899272002] [2024-04-06 23:26:36,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:26:36,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-06 23:26:36,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:36,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-06 23:26:36,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-04-06 23:26:36,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:36,017 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:36,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.7368421052631575) internal successors, (109), 19 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:26:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:26:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:26:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:26:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:26:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:26:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:26:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-04-06 23:26:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:26:36,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:37,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:37,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:37,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:37,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:37,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:37,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:37,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:37,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:37,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:37,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:37,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:26:37,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:26:37,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:26:37,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:26:37,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:26:37,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:26:37,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-06 23:26:37,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-04-06 23:26:37,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:26:37,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-06 23:26:37,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:37,477 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:37,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:37,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1129377045, now seen corresponding path program 12 times [2024-04-06 23:26:37,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:37,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672960245] [2024-04-06 23:26:37,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:37,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:37,840 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 31 proven. 311 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2024-04-06 23:26:37,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:37,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672960245] [2024-04-06 23:26:37,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672960245] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:26:37,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351521128] [2024-04-06 23:26:37,840 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 23:26:37,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:37,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:26:37,841 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:26:37,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-06 23:26:37,931 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-04-06 23:26:37,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:26:37,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 31 conjunts are in the unsatisfiable core [2024-04-06 23:26:37,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:26:38,793 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 31 proven. 784 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:38,793 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:26:39,418 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 161 proven. 654 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:26:39,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351521128] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:26:39,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:26:39,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 32, 32] total 65 [2024-04-06 23:26:39,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992264184] [2024-04-06 23:26:39,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:26:39,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-04-06 23:26:39,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:39,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-04-06 23:26:39,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=894, Invalid=3266, Unknown=0, NotChecked=0, Total=4160 [2024-04-06 23:26:39,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:39,421 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:39,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 4.553846153846154) internal successors, (296), 65 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:26:39,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:39,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:39,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:39,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:39,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:39,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:39,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:39,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:39,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:39,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:39,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:26:39,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:26:39,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:26:39,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:26:39,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:26:39,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:26:39,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-04-06 23:26:39,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-04-06 23:26:39,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:26:39,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:26:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:26:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:26:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:26:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:26:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:26:43,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:26:43,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:26:43,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:26:43,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-04-06 23:26:43,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-06 23:26:43,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:43,719 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:43,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:43,719 INFO L85 PathProgramCache]: Analyzing trace with hash 976986891, now seen corresponding path program 13 times [2024-04-06 23:26:43,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:43,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165221567] [2024-04-06 23:26:43,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:43,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:44,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 138 proven. 229 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2024-04-06 23:26:44,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:44,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165221567] [2024-04-06 23:26:44,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165221567] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:26:44,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225124574] [2024-04-06 23:26:44,197 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 23:26:44,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:44,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:26:44,198 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:26:44,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-06 23:26:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:44,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 37 conjunts are in the unsatisfiable core [2024-04-06 23:26:44,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:26:45,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 12 proven. 1179 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:26:45,237 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:26:46,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 31 proven. 1160 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:26:46,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225124574] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:26:46,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:26:46,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 38, 38] total 77 [2024-04-06 23:26:46,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18062489] [2024-04-06 23:26:46,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:26:46,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-04-06 23:26:46,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:46,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-04-06 23:26:46,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1091, Invalid=4761, Unknown=0, NotChecked=0, Total=5852 [2024-04-06 23:26:46,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:46,110 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:46,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 4.467532467532467) internal successors, (344), 77 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-04-06 23:26:46,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:26:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:26:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:26:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:26:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:26:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:26:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:26:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:26:55,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:26:55,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-04-06 23:26:55,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-06 23:26:55,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-04-06 23:26:55,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:55,984 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:26:55,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:26:55,984 INFO L85 PathProgramCache]: Analyzing trace with hash 301575537, now seen corresponding path program 14 times [2024-04-06 23:26:55,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:26:55,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250770611] [2024-04-06 23:26:55,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:26:55,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:26:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:26:56,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 0 proven. 524 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2024-04-06 23:26:56,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:26:56,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250770611] [2024-04-06 23:26:56,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250770611] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:26:56,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970441220] [2024-04-06 23:26:56,824 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 23:26:56,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:26:56,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:26:56,838 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:26:56,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-06 23:26:56,911 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 23:26:56,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:26:56,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 117 conjunts are in the unsatisfiable core [2024-04-06 23:26:56,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:26:57,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 119 proven. 424 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2024-04-06 23:26:57,437 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:26:58,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 119 proven. 421 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2024-04-06 23:26:58,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970441220] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:26:58,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:26:58,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 18, 16] total 36 [2024-04-06 23:26:58,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242697279] [2024-04-06 23:26:58,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:26:58,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-06 23:26:58,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:26:58,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-06 23:26:58,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=1063, Unknown=0, NotChecked=0, Total=1260 [2024-04-06 23:26:58,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:26:58,408 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:26:58,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.25) internal successors, (153), 36 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:26:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:26:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:26:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:26:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:26:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:26:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:26:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:26:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:26:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:26:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:26:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:26:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:26:58,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:26:58,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:26:58,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:26:58,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:26:58,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-04-06 23:26:58,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-06 23:26:58,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:27:00,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:27:00,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:27:00,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:27:00,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:27:00,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:27:00,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:00,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:27:00,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:27:00,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:27:00,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:00,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:27:00,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:27:00,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:27:00,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:27:00,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:27:00,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:27:00,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:27:00,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:27:00,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:27:00,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-04-06 23:27:00,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-06 23:27:00,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:27:00,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-04-06 23:27:00,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-04-06 23:27:00,922 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:27:00,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:27:00,922 INFO L85 PathProgramCache]: Analyzing trace with hash -707041013, now seen corresponding path program 15 times [2024-04-06 23:27:00,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:27:00,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674558548] [2024-04-06 23:27:00,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:27:00,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:27:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:27:01,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 46 proven. 492 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2024-04-06 23:27:01,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:27:01,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674558548] [2024-04-06 23:27:01,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674558548] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:27:01,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268526529] [2024-04-06 23:27:01,321 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 23:27:01,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:27:01,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:27:01,338 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:27:01,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-06 23:27:01,436 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2024-04-06 23:27:01,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:27:01,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 41 conjunts are in the unsatisfiable core [2024-04-06 23:27:01,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:27:02,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 46 proven. 1437 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:27:02,455 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:27:03,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 286 proven. 1197 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:27:03,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268526529] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:27:03,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:27:03,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 42, 42] total 85 [2024-04-06 23:27:03,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846467830] [2024-04-06 23:27:03,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:27:03,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-04-06 23:27:03,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:27:03,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-04-06 23:27:03,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1450, Invalid=5690, Unknown=0, NotChecked=0, Total=7140 [2024-04-06 23:27:03,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:27:03,638 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:27:03,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 4.4) internal successors, (374), 85 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:27:03,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:27:03,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:27:03,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:27:03,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:27:03,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:27:03,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:03,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:27:03,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:27:03,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:27:03,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:03,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:27:03,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:27:03,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:27:03,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:27:03,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:27:03,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:27:03,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:27:03,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:27:03,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:27:03,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-04-06 23:27:03,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-06 23:27:03,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:27:03,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:27:10,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:27:10,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:27:10,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:27:10,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:27:10,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:27:10,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:10,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:27:10,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:27:10,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:27:10,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:10,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:27:10,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:27:10,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:27:10,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:27:10,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:27:10,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:27:10,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:27:10,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:27:10,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:27:10,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:27:10,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:27:10,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:27:10,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:27:10,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-04-06 23:27:10,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:27:10,929 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:27:10,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:27:10,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1164356241, now seen corresponding path program 16 times [2024-04-06 23:27:10,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:27:10,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674605259] [2024-04-06 23:27:10,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:27:10,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:27:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:27:11,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1983 backedges. 301 proven. 257 refuted. 0 times theorem prover too weak. 1425 trivial. 0 not checked. [2024-04-06 23:27:11,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:27:11,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674605259] [2024-04-06 23:27:11,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674605259] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:27:11,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808315289] [2024-04-06 23:27:11,401 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 23:27:11,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:27:11,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:27:11,402 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:27:11,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-04-06 23:27:11,488 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 23:27:11,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:27:11,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 47 conjunts are in the unsatisfiable core [2024-04-06 23:27:11,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:27:12,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1983 backedges. 27 proven. 1956 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:27:12,635 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:27:14,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1983 backedges. 36 proven. 1947 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:27:14,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808315289] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:27:14,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:27:14,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 48, 48] total 99 [2024-04-06 23:27:14,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986617727] [2024-04-06 23:27:14,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:27:14,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2024-04-06 23:27:14,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:27:14,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2024-04-06 23:27:14,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1707, Invalid=7995, Unknown=0, NotChecked=0, Total=9702 [2024-04-06 23:27:14,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:27:14,377 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:27:14,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 4.373737373737374) internal successors, (433), 99 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:27:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:27:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:27:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:27:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:27:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:27:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:27:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:27:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:27:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:27:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:27:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:27:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:27:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:27:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:27:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:27:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:27:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:27:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:27:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:27:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:27:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:27:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:27:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-04-06 23:27:30,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-04-06 23:27:30,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-04-06 23:27:30,413 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:27:30,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:27:30,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1519348715, now seen corresponding path program 17 times [2024-04-06 23:27:30,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:27:30,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423498286] [2024-04-06 23:27:30,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:27:30,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:27:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:27:31,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2210 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 1450 trivial. 0 not checked. [2024-04-06 23:27:31,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:27:31,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423498286] [2024-04-06 23:27:31,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423498286] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:27:31,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666310800] [2024-04-06 23:27:31,571 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 23:27:31,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:27:31,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:27:31,572 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:27:31,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-04-06 23:27:31,718 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2024-04-06 23:27:31,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:27:31,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 141 conjunts are in the unsatisfiable core [2024-04-06 23:27:31,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:27:32,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2210 backedges. 475 proven. 627 refuted. 0 times theorem prover too weak. 1108 trivial. 0 not checked. [2024-04-06 23:27:32,123 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:27:33,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2210 backedges. 473 proven. 629 refuted. 0 times theorem prover too weak. 1108 trivial. 0 not checked. [2024-04-06 23:27:33,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666310800] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:27:33,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:27:33,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19, 19] total 39 [2024-04-06 23:27:33,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265695289] [2024-04-06 23:27:33,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:27:33,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-04-06 23:27:33,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:27:33,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-04-06 23:27:33,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=1269, Unknown=0, NotChecked=0, Total=1482 [2024-04-06 23:27:33,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:27:33,241 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:27:33,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.256410256410256) internal successors, (166), 39 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:27:33,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:27:33,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:27:33,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:27:33,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:27:33,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:27:33,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:33,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:27:33,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:27:33,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:27:33,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:33,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:27:33,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:27:33,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:27:33,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:27:33,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:27:33,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:27:33,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:27:33,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:27:33,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:27:33,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:27:33,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:27:33,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:27:33,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:27:33,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2024-04-06 23:27:33,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:27:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:27:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2024-04-06 23:27:36,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:36,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-04-06 23:27:37,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-04-06 23:27:37,156 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:27:37,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:27:37,176 INFO L85 PathProgramCache]: Analyzing trace with hash 295130347, now seen corresponding path program 18 times [2024-04-06 23:27:37,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:27:37,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267595287] [2024-04-06 23:27:37,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:27:37,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:27:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:27:37,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2355 backedges. 55 proven. 720 refuted. 0 times theorem prover too weak. 1580 trivial. 0 not checked. [2024-04-06 23:27:37,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:27:37,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267595287] [2024-04-06 23:27:37,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267595287] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:27:37,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626475101] [2024-04-06 23:27:37,881 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 23:27:37,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:27:37,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:27:37,882 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:27:37,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-04-06 23:27:37,989 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2024-04-06 23:27:37,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:27:37,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 51 conjunts are in the unsatisfiable core [2024-04-06 23:27:37,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:27:39,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2355 backedges. 55 proven. 2300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:27:39,350 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:27:40,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2355 backedges. 322 proven. 2033 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:27:40,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626475101] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:27:40,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:27:40,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 52, 52] total 106 [2024-04-06 23:27:40,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523045928] [2024-04-06 23:27:40,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:27:40,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2024-04-06 23:27:40,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:27:40,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2024-04-06 23:27:40,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2250, Invalid=8880, Unknown=0, NotChecked=0, Total=11130 [2024-04-06 23:27:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:27:40,679 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:27:40,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 4.3584905660377355) internal successors, (462), 106 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:27:40,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:27:40,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:27:40,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:27:40,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:27:40,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:27:40,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:27:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:27:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:27:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:27:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:27:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:27:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:27:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:27:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:27:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:27:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:27:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:27:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:27:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:27:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:27:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:27:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2024-04-06 23:27:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:27:51,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:27:51,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:27:51,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:27:51,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-04-06 23:27:51,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-04-06 23:27:51,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-04-06 23:27:51,403 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:27:51,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:27:51,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1014757549, now seen corresponding path program 19 times [2024-04-06 23:27:51,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:27:51,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139018241] [2024-04-06 23:27:51,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:27:51,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:27:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:27:52,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3195 backedges. 387 proven. 432 refuted. 0 times theorem prover too weak. 2376 trivial. 0 not checked. [2024-04-06 23:27:52,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:27:52,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139018241] [2024-04-06 23:27:52,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139018241] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:27:52,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440074896] [2024-04-06 23:27:52,112 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 23:27:52,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:27:52,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:27:52,113 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:27:52,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-04-06 23:27:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:27:52,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 59 conjunts are in the unsatisfiable core [2024-04-06 23:27:52,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:27:54,320 INFO L134 CoverageAnalysis]: Checked inductivity of 3195 backedges. 27 proven. 3166 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:27:54,321 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:27:56,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3195 backedges. 54 proven. 3139 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:27:56,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440074896] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:27:56,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:27:56,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 60, 60] total 122 [2024-04-06 23:27:56,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50811844] [2024-04-06 23:27:56,537 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:27:56,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2024-04-06 23:27:56,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:27:56,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2024-04-06 23:27:56,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2661, Invalid=12101, Unknown=0, NotChecked=0, Total=14762 [2024-04-06 23:27:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:27:56,543 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:27:56,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 4.311475409836065) internal successors, (526), 122 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:27:56,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:27:56,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:27:56,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-04-06 23:27:56,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:28:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:28:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:28:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:28:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:28:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:28:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:28:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:28:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:28:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:28:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:28:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:28:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:28:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:28:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:28:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:28:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:28:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:28:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:28:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:28:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:28:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:28:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:28:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:28:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:28:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:28:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-04-06 23:28:19,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-04-06 23:28:19,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-04-06 23:28:20,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-04-06 23:28:20,170 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:28:20,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:28:20,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1662568377, now seen corresponding path program 20 times [2024-04-06 23:28:20,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:28:20,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582811855] [2024-04-06 23:28:20,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:28:20,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:28:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:28:21,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3482 backedges. 0 proven. 1076 refuted. 0 times theorem prover too weak. 2406 trivial. 0 not checked. [2024-04-06 23:28:21,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:28:21,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582811855] [2024-04-06 23:28:21,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582811855] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:28:21,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285780097] [2024-04-06 23:28:21,869 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 23:28:21,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:28:21,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:28:21,870 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:28:21,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-04-06 23:28:21,993 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 23:28:21,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:28:21,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 183 conjunts are in the unsatisfiable core [2024-04-06 23:28:22,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:28:22,734 INFO L134 CoverageAnalysis]: Checked inductivity of 3482 backedges. 199 proven. 906 refuted. 0 times theorem prover too weak. 2377 trivial. 0 not checked. [2024-04-06 23:28:22,734 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:28:24,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3482 backedges. 199 proven. 903 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-04-06 23:28:24,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285780097] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:28:24,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:28:24,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 21, 19] total 42 [2024-04-06 23:28:24,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404362291] [2024-04-06 23:28:24,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:28:24,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-04-06 23:28:24,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:28:24,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-04-06 23:28:24,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=1481, Unknown=0, NotChecked=0, Total=1722 [2024-04-06 23:28:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:28:24,177 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:28:24,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.166666666666667) internal successors, (175), 42 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:28:24,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:28:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:28:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:28:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:28:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:28:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-04-06 23:28:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2024-04-06 23:28:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:28:29,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:28:29,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-04-06 23:28:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:28:29,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-04-06 23:28:30,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:28:30,065 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:28:30,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:28:30,065 INFO L85 PathProgramCache]: Analyzing trace with hash 510061907, now seen corresponding path program 21 times [2024-04-06 23:28:30,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:28:30,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522205615] [2024-04-06 23:28:30,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:28:30,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:28:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:28:30,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3663 backedges. 74 proven. 1012 refuted. 0 times theorem prover too weak. 2577 trivial. 0 not checked. [2024-04-06 23:28:30,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:28:30,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522205615] [2024-04-06 23:28:30,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522205615] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:28:30,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166744402] [2024-04-06 23:28:30,978 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 23:28:30,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:28:30,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:28:30,979 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:28:30,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-04-06 23:28:31,111 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) [2024-04-06 23:28:31,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:28:31,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 63 conjunts are in the unsatisfiable core [2024-04-06 23:28:31,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:28:33,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3663 backedges. 74 proven. 3587 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:28:33,076 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:28:35,921 INFO L134 CoverageAnalysis]: Checked inductivity of 3663 backedges. 513 proven. 3148 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:28:35,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166744402] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:28:35,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:28:35,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 64, 64] total 130 [2024-04-06 23:28:35,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918445186] [2024-04-06 23:28:35,921 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:28:35,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2024-04-06 23:28:35,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:28:35,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2024-04-06 23:28:35,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3283, Invalid=13487, Unknown=0, NotChecked=0, Total=16770 [2024-04-06 23:28:35,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:28:35,924 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:28:35,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 4.276923076923077) internal successors, (556), 130 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:28:35,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:28:35,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:28:35,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:28:35,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:28:35,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:28:35,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:28:35,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:28:35,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:28:53,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:28:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:28:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:28:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:28:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:28:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2024-04-06 23:28:53,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-04-06 23:28:53,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-04-06 23:28:53,222 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:28:53,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:28:53,223 INFO L85 PathProgramCache]: Analyzing trace with hash -181997697, now seen corresponding path program 22 times [2024-04-06 23:28:53,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:28:53,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954357033] [2024-04-06 23:28:53,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:28:53,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:28:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:28:54,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4695 backedges. 663 proven. 462 refuted. 0 times theorem prover too weak. 3570 trivial. 0 not checked. [2024-04-06 23:28:54,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:28:54,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954357033] [2024-04-06 23:28:54,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954357033] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:28:54,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355710409] [2024-04-06 23:28:54,347 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 23:28:54,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:28:54,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:28:54,348 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:28:54,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-04-06 23:28:54,489 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 23:28:54,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:28:54,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 71 conjunts are in the unsatisfiable core [2024-04-06 23:28:54,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:28:56,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4695 backedges. 48 proven. 4647 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:28:56,911 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:29:00,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4695 backedges. 60 proven. 4635 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:29:00,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355710409] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:29:00,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:29:00,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 72, 72] total 148 [2024-04-06 23:29:00,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359139647] [2024-04-06 23:29:00,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:29:00,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 148 states [2024-04-06 23:29:00,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:29:00,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2024-04-06 23:29:00,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3788, Invalid=17968, Unknown=0, NotChecked=0, Total=21756 [2024-04-06 23:29:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:29:00,393 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:29:00,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 148 states, 148 states have (on average 4.263513513513513) internal successors, (631), 148 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:29:00,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:29:00,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:29:00,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:29:00,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:29:00,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:29:00,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:29:00,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:29:00,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:29:00,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:29:00,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:29:00,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:29:00,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:29:00,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:29:00,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:29:00,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:29:00,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:29:00,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:29:00,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:29:00,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:29:00,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:29:00,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:29:00,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:29:00,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:29:00,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:29:00,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:29:00,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:29:00,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:29:00,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:29:00,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2024-04-06 23:29:00,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:29:35,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:29:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:29:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:29:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:29:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:29:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:29:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:29:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:29:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:29:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:29:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:29:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:29:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:29:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:29:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:29:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:29:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:29:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:29:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:29:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:29:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:29:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:29:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:29:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:29:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:29:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:29:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:29:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:29:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2024-04-06 23:29:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 326 states. [2024-04-06 23:29:35,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-04-06 23:29:35,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:29:35,878 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:29:35,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:29:35,878 INFO L85 PathProgramCache]: Analyzing trace with hash 636193317, now seen corresponding path program 23 times [2024-04-06 23:29:35,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:29:35,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685799445] [2024-04-06 23:29:35,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:29:35,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:29:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:29:38,767 INFO L134 CoverageAnalysis]: Checked inductivity of 5042 backedges. 0 proven. 1436 refuted. 0 times theorem prover too weak. 3606 trivial. 0 not checked. [2024-04-06 23:29:38,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:29:38,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685799445] [2024-04-06 23:29:38,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685799445] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:29:38,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993604627] [2024-04-06 23:29:38,768 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 23:29:38,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:29:38,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:29:38,769 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:29:38,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-04-06 23:29:38,935 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 34 check-sat command(s) [2024-04-06 23:29:38,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:29:38,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 289 conjunts are in the unsatisfiable core [2024-04-06 23:29:38,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:29:39,591 INFO L134 CoverageAnalysis]: Checked inductivity of 5042 backedges. 0 proven. 1226 refuted. 0 times theorem prover too weak. 3816 trivial. 0 not checked. [2024-04-06 23:29:39,591 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:29:39,884 INFO L134 CoverageAnalysis]: Checked inductivity of 5042 backedges. 0 proven. 1161 refuted. 0 times theorem prover too weak. 3881 trivial. 0 not checked. [2024-04-06 23:29:39,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993604627] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:29:39,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:29:39,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 10] total 25 [2024-04-06 23:29:39,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452232033] [2024-04-06 23:29:39,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:29:39,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-04-06 23:29:39,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:29:39,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-04-06 23:29:39,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2024-04-06 23:29:39,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:29:39,886 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:29:39,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 5.64) internal successors, (141), 25 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:29:39,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:29:39,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:29:39,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:29:39,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:29:39,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:29:39,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:29:39,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:29:39,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:29:39,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:29:39,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:29:39,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:29:39,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:29:39,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:29:39,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:29:39,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:29:39,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:29:39,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:29:39,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:29:39,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:29:39,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:29:39,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:29:39,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:29:39,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:29:39,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:29:39,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:29:39,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:29:39,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:29:39,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:29:39,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2024-04-06 23:29:39,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 326 states. [2024-04-06 23:29:39,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:29:48,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:29:48,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:29:48,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2024-04-06 23:29:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2024-04-06 23:29:48,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:29:48,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-04-06 23:29:48,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:29:48,426 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:29:48,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:29:48,426 INFO L85 PathProgramCache]: Analyzing trace with hash -59076613, now seen corresponding path program 24 times [2024-04-06 23:29:48,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:29:48,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352198912] [2024-04-06 23:29:48,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:29:48,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:29:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:29:49,749 INFO L134 CoverageAnalysis]: Checked inductivity of 5259 backedges. 85 proven. 1361 refuted. 0 times theorem prover too weak. 3813 trivial. 0 not checked. [2024-04-06 23:29:49,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:29:49,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352198912] [2024-04-06 23:29:49,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352198912] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:29:49,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414096897] [2024-04-06 23:29:49,750 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 23:29:49,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:29:49,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:29:49,751 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:29:49,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-04-06 23:29:49,914 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 34 check-sat command(s) [2024-04-06 23:29:49,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:29:49,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 75 conjunts are in the unsatisfiable core [2024-04-06 23:29:49,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:29:51,846 INFO L134 CoverageAnalysis]: Checked inductivity of 5259 backedges. 85 proven. 5174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:29:51,846 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:29:54,887 INFO L134 CoverageAnalysis]: Checked inductivity of 5259 backedges. 553 proven. 4706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:29:54,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414096897] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:29:54,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:29:54,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 76, 76] total 155 [2024-04-06 23:29:54,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071011025] [2024-04-06 23:29:54,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:29:54,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 155 states [2024-04-06 23:29:54,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:29:54,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2024-04-06 23:29:54,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4672, Invalid=19198, Unknown=0, NotChecked=0, Total=23870 [2024-04-06 23:29:54,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:29:54,892 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:29:54,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 155 states, 155 states have (on average 4.258064516129032) internal successors, (660), 155 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:29:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:29:54,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2024-04-06 23:29:54,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 327 states. [2024-04-06 23:29:54,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:29:54,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:30:16,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:30:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:30:16,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:30:16,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:30:16,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:30:16,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-04-06 23:30:16,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 328 states. [2024-04-06 23:30:16,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:30:16,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-04-06 23:30:16,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-04-06 23:30:17,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:30:17,172 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:30:17,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:30:17,173 INFO L85 PathProgramCache]: Analyzing trace with hash -314377045, now seen corresponding path program 25 times [2024-04-06 23:30:17,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:30:17,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610981836] [2024-04-06 23:30:17,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:30:17,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:30:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:30:18,672 INFO L134 CoverageAnalysis]: Checked inductivity of 6809 backedges. 804 proven. 713 refuted. 0 times theorem prover too weak. 5292 trivial. 0 not checked. [2024-04-06 23:30:18,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:30:18,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610981836] [2024-04-06 23:30:18,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610981836] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:30:18,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012217158] [2024-04-06 23:30:18,673 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 23:30:18,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:30:18,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:30:18,674 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:30:18,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-04-06 23:30:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:30:18,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 85 conjunts are in the unsatisfiable core [2024-04-06 23:30:18,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:30:21,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6809 backedges. 48 proven. 6759 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:30:21,893 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:30:26,046 INFO L134 CoverageAnalysis]: Checked inductivity of 6809 backedges. 83 proven. 6724 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:30:26,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012217158] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:30:26,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:30:26,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 86, 86] total 175 [2024-04-06 23:30:26,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190446963] [2024-04-06 23:30:26,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:30:26,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 175 states [2024-04-06 23:30:26,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:30:26,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2024-04-06 23:30:26,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5413, Invalid=25037, Unknown=0, NotChecked=0, Total=30450 [2024-04-06 23:30:26,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:30:26,071 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:30:26,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 175 states, 175 states have (on average 4.228571428571429) internal successors, (740), 175 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:30:26,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:30:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:30:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:30:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:30:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:30:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:30:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-04-06 23:30:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 328 states. [2024-04-06 23:30:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:30:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-04-06 23:30:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:31:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:31:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:31:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:31:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 328 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:31:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-04-06 23:31:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 279 states. [2024-04-06 23:31:21,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-04-06 23:31:21,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:31:21,503 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:31:21,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:31:21,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1529372433, now seen corresponding path program 26 times [2024-04-06 23:31:21,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:31:21,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950356884] [2024-04-06 23:31:21,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:31:21,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:31:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:31:25,514 INFO L134 CoverageAnalysis]: Checked inductivity of 7226 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 5334 trivial. 0 not checked. [2024-04-06 23:31:25,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:31:25,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950356884] [2024-04-06 23:31:25,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950356884] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:31:25,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918248570] [2024-04-06 23:31:25,515 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 23:31:25,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:31:25,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:31:25,517 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:31:25,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-04-06 23:31:25,708 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 23:31:25,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:31:25,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 261 conjunts are in the unsatisfiable core [2024-04-06 23:31:25,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:31:26,651 INFO L134 CoverageAnalysis]: Checked inductivity of 7226 backedges. 295 proven. 1638 refuted. 0 times theorem prover too weak. 5293 trivial. 0 not checked. [2024-04-06 23:31:26,651 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:31:28,585 INFO L134 CoverageAnalysis]: Checked inductivity of 7226 backedges. 295 proven. 1635 refuted. 0 times theorem prover too weak. 5296 trivial. 0 not checked. [2024-04-06 23:31:28,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918248570] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:31:28,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:31:28,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 24, 22] total 48 [2024-04-06 23:31:28,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656844921] [2024-04-06 23:31:28,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:31:28,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-04-06 23:31:28,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:31:28,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-04-06 23:31:28,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=1967, Unknown=0, NotChecked=0, Total=2256 [2024-04-06 23:31:28,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:31:28,589 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:31:28,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.104166666666667) internal successors, (197), 48 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:31:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:31:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:31:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:31:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:31:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:31:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:31:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:31:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:31:28,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:31:28,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:31:28,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:31:28,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:31:28,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:31:28,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:31:28,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:31:28,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:31:28,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:31:28,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:31:28,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:31:28,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:31:28,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:31:28,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:31:28,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:31:28,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:31:28,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:31:28,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:31:28,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:31:28,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:31:28,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-04-06 23:31:28,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 328 states. [2024-04-06 23:31:28,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:31:28,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-04-06 23:31:28,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 279 states. [2024-04-06 23:31:28,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:31:41,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-04-06 23:31:41,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 328 states. [2024-04-06 23:31:41,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:31:41,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-04-06 23:31:41,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 279 states. [2024-04-06 23:31:41,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:31:41,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-04-06 23:31:41,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-04-06 23:31:41,650 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:31:41,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:31:41,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1986323115, now seen corresponding path program 27 times [2024-04-06 23:31:41,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:31:41,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634184350] [2024-04-06 23:31:41,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:31:41,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:31:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:31:43,356 INFO L134 CoverageAnalysis]: Checked inductivity of 7485 backedges. 108 proven. 1788 refuted. 0 times theorem prover too weak. 5589 trivial. 0 not checked. [2024-04-06 23:31:43,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:31:43,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634184350] [2024-04-06 23:31:43,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634184350] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:31:43,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238888681] [2024-04-06 23:31:43,356 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 23:31:43,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:31:43,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:31:43,357 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:31:43,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-04-06 23:31:43,547 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 44 check-sat command(s) [2024-04-06 23:31:43,547 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:31:43,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 1018 conjuncts, 89 conjunts are in the unsatisfiable core [2024-04-06 23:31:43,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:31:46,719 INFO L134 CoverageAnalysis]: Checked inductivity of 7485 backedges. 108 proven. 7375 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:31:46,719 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:31:51,296 INFO L134 CoverageAnalysis]: Checked inductivity of 7485 backedges. 822 proven. 6661 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:31:51,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238888681] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:31:51,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:31:51,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 90, 90] total 183 [2024-04-06 23:31:51,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480250542] [2024-04-06 23:31:51,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:31:51,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 183 states [2024-04-06 23:31:51,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:31:51,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2024-04-06 23:31:51,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6388, Invalid=26918, Unknown=0, NotChecked=0, Total=33306 [2024-04-06 23:31:51,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:31:51,303 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:31:51,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 183 states, 183 states have (on average 4.2076502732240435) internal successors, (770), 183 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:31:51,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:31:51,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:31:51,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:31:51,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:31:51,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 328 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 279 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:31:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:32:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:32:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:32:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:32:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:32:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:32:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:32:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-04-06 23:32:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 328 states. [2024-04-06 23:32:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:32:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2024-04-06 23:32:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2024-04-06 23:32:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:32:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2024-04-06 23:32:25,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-04-06 23:32:25,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-04-06 23:32:25,568 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:32:25,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:32:25,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1789549921, now seen corresponding path program 28 times [2024-04-06 23:32:25,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:32:25,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305014344] [2024-04-06 23:32:25,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:32:25,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:32:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:32:27,734 INFO L134 CoverageAnalysis]: Checked inductivity of 9315 backedges. 1217 proven. 745 refuted. 0 times theorem prover too weak. 7353 trivial. 0 not checked. [2024-04-06 23:32:27,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:32:27,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305014344] [2024-04-06 23:32:27,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305014344] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:32:27,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074138172] [2024-04-06 23:32:27,734 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 23:32:27,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:32:27,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:32:27,735 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:32:27,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-04-06 23:32:27,904 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 23:32:27,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:32:27,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 99 conjunts are in the unsatisfiable core [2024-04-06 23:32:27,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:32:30,914 INFO L134 CoverageAnalysis]: Checked inductivity of 9315 backedges. 75 proven. 9240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:32:30,914 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:32:35,905 INFO L134 CoverageAnalysis]: Checked inductivity of 9315 backedges. 90 proven. 9225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:32:35,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074138172] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:32:35,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:32:35,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 100, 100] total 205 [2024-04-06 23:32:35,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188420260] [2024-04-06 23:32:35,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:32:35,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2024-04-06 23:32:35,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:32:35,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2024-04-06 23:32:35,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7265, Invalid=34555, Unknown=0, NotChecked=0, Total=41820 [2024-04-06 23:32:35,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:32:35,914 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:32:35,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 4.2) internal successors, (861), 205 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:32:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:32:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:32:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:32:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:32:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:32:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:32:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:32:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:32:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:32:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:32:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:32:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:32:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 328 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2024-04-06 23:32:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:33:51,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:33:51,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:33:51,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:33:51,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:33:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:33:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:33:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:33:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:33:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:33:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:33:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:33:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:33:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:33:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:33:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:33:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:33:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:33:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:33:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:33:51,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:33:51,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:33:51,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:33:51,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:33:51,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:33:51,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:33:51,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:33:51,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:33:51,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:33:51,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-04-06 23:33:51,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 328 states. [2024-04-06 23:33:51,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:33:51,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2024-04-06 23:33:51,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2024-04-06 23:33:51,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:33:51,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2024-04-06 23:33:51,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 459 states. [2024-04-06 23:33:51,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-04-06 23:33:51,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-04-06 23:33:51,243 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:33:51,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:33:51,244 INFO L85 PathProgramCache]: Analyzing trace with hash 547849541, now seen corresponding path program 29 times [2024-04-06 23:33:51,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:33:51,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035410479] [2024-04-06 23:33:51,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:33:51,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:33:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:33:56,827 INFO L134 CoverageAnalysis]: Checked inductivity of 9802 backedges. 0 proven. 2400 refuted. 0 times theorem prover too weak. 7402 trivial. 0 not checked. [2024-04-06 23:33:56,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:33:56,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035410479] [2024-04-06 23:33:56,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035410479] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:33:56,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557061194] [2024-04-06 23:33:56,828 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 23:33:56,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:33:56,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:33:56,829 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:33:56,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-04-06 23:33:57,061 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-04-06 23:33:57,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:33:57,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 1156 conjuncts, 401 conjunts are in the unsatisfiable core [2024-04-06 23:33:57,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:33:57,897 INFO L134 CoverageAnalysis]: Checked inductivity of 9802 backedges. 0 proven. 2099 refuted. 0 times theorem prover too weak. 7703 trivial. 0 not checked. [2024-04-06 23:33:57,898 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:33:58,244 INFO L134 CoverageAnalysis]: Checked inductivity of 9802 backedges. 0 proven. 2008 refuted. 0 times theorem prover too weak. 7794 trivial. 0 not checked. [2024-04-06 23:33:58,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557061194] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:33:58,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:33:58,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 11] total 28 [2024-04-06 23:33:58,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442393839] [2024-04-06 23:33:58,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:33:58,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-04-06 23:33:58,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:33:58,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-04-06 23:33:58,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=678, Unknown=0, NotChecked=0, Total=756 [2024-04-06 23:33:58,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:33:58,246 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:33:58,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.607142857142857) internal successors, (157), 28 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:33:58,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:33:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:33:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:33:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:33:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:33:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:33:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:33:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:33:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:33:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:33:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:33:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:33:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:33:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:33:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:33:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:33:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:33:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:33:58,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:33:58,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:33:58,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:33:58,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:33:58,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:33:58,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:33:58,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:33:58,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:33:58,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:33:58,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:33:58,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-04-06 23:33:58,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 328 states. [2024-04-06 23:33:58,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:33:58,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2024-04-06 23:33:58,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2024-04-06 23:33:58,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:33:58,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2024-04-06 23:33:58,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 459 states. [2024-04-06 23:33:58,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:34:16,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:34:16,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:34:16,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:34:16,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 328 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2024-04-06 23:34:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:34:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2024-04-06 23:34:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 460 states. [2024-04-06 23:34:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:34:16,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-04-06 23:34:16,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,34 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:34:16,737 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:34:16,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:34:16,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1768588315, now seen corresponding path program 30 times [2024-04-06 23:34:16,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:34:16,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482847057] [2024-04-06 23:34:16,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:34:16,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:34:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:34:19,272 INFO L134 CoverageAnalysis]: Checked inductivity of 10103 backedges. 121 proven. 2282 refuted. 0 times theorem prover too weak. 7700 trivial. 0 not checked. [2024-04-06 23:34:19,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:34:19,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482847057] [2024-04-06 23:34:19,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482847057] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:34:19,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764289001] [2024-04-06 23:34:19,272 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 23:34:19,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:34:19,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:34:19,274 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:34:19,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-04-06 23:34:19,504 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 47 check-sat command(s) [2024-04-06 23:34:19,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:34:19,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 1172 conjuncts, 103 conjunts are in the unsatisfiable core [2024-04-06 23:34:19,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:34:23,758 INFO L134 CoverageAnalysis]: Checked inductivity of 10103 backedges. 121 proven. 9982 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:34:23,758 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:34:28,505 INFO L134 CoverageAnalysis]: Checked inductivity of 10103 backedges. 866 proven. 9237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:34:28,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764289001] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:34:28,506 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:34:28,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 104, 104] total 212 [2024-04-06 23:34:28,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792659720] [2024-04-06 23:34:28,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:34:28,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 212 states [2024-04-06 23:34:28,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:34:28,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2024-04-06 23:34:28,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8592, Invalid=36140, Unknown=0, NotChecked=0, Total=44732 [2024-04-06 23:34:28,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:34:28,513 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:34:28,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 212 states, 212 states have (on average 4.19811320754717) internal successors, (890), 212 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:34:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:34:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:34:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:34:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:34:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:34:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-04-06 23:34:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 328 states. [2024-04-06 23:34:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:34:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2024-04-06 23:34:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2024-04-06 23:34:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:34:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2024-04-06 23:34:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 460 states. [2024-04-06 23:34:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:34:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:35:16,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:35:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:35:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:35:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:35:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:35:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:35:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:35:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:35:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:35:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:35:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:35:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:35:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:35:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:35:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:35:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:35:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:35:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:35:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:35:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:35:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:35:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:35:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:35:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:35:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:35:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:35:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:35:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:35:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-04-06 23:35:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 328 states. [2024-04-06 23:35:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:35:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2024-04-06 23:35:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2024-04-06 23:35:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:35:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 277 states. [2024-04-06 23:35:16,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 461 states. [2024-04-06 23:35:16,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:35:16,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2024-04-06 23:35:16,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-04-06 23:35:16,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-04-06 23:35:16,816 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:35:16,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:35:16,817 INFO L85 PathProgramCache]: Analyzing trace with hash -869788909, now seen corresponding path program 31 times [2024-04-06 23:35:16,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:35:16,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52742732] [2024-04-06 23:35:16,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:35:16,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:35:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:35:20,075 INFO L134 CoverageAnalysis]: Checked inductivity of 12659 backedges. 1425 proven. 1084 refuted. 0 times theorem prover too weak. 10150 trivial. 0 not checked. [2024-04-06 23:35:20,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:35:20,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52742732] [2024-04-06 23:35:20,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52742732] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:35:20,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113741763] [2024-04-06 23:35:20,076 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 23:35:20,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:35:20,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:35:20,077 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:35:20,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-04-06 23:35:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:35:20,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 1304 conjuncts, 115 conjunts are in the unsatisfiable core [2024-04-06 23:35:20,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:35:24,208 INFO L134 CoverageAnalysis]: Checked inductivity of 12659 backedges. 75 proven. 12582 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:35:24,209 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:35:30,644 INFO L134 CoverageAnalysis]: Checked inductivity of 12659 backedges. 118 proven. 12539 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:35:30,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113741763] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:35:30,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:35:30,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 116, 116] total 236 [2024-04-06 23:35:30,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360781955] [2024-04-06 23:35:30,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:35:30,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 236 states [2024-04-06 23:35:30,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:35:30,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 236 interpolants. [2024-04-06 23:35:30,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9803, Invalid=45657, Unknown=0, NotChecked=0, Total=55460 [2024-04-06 23:35:30,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:35:30,651 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:35:30,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 236 states, 236 states have (on average 4.177966101694915) internal successors, (986), 236 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:35:30,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:35:30,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:35:30,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:35:30,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:35:30,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:35:30,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-04-06 23:35:30,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 328 states. [2024-04-06 23:35:30,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:35:30,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2024-04-06 23:35:30,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2024-04-06 23:35:30,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:35:30,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 277 states. [2024-04-06 23:35:30,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 461 states. [2024-04-06 23:35:30,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:35:30,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2024-04-06 23:35:30,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:37:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:37:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:37:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:37:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:37:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:37:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:37:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:37:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:37:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:37:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:37:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:37:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:37:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:37:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 328 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 277 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 461 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:37:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2024-04-06 23:37:26,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 380 states. [2024-04-06 23:37:26,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-04-06 23:37:26,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-04-06 23:37:26,681 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:37:26,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:37:26,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1017381753, now seen corresponding path program 32 times [2024-04-06 23:37:26,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:37:26,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736975938] [2024-04-06 23:37:26,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:37:26,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:37:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:37:35,393 INFO L134 CoverageAnalysis]: Checked inductivity of 13226 backedges. 0 proven. 3020 refuted. 0 times theorem prover too weak. 10206 trivial. 0 not checked. [2024-04-06 23:37:35,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:37:35,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736975938] [2024-04-06 23:37:35,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736975938] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:37:35,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244414424] [2024-04-06 23:37:35,393 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 23:37:35,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:37:35,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:37:35,394 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:37:35,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-04-06 23:37:35,607 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 23:37:35,607 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:37:35,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 1332 conjuncts, 351 conjunts are in the unsatisfiable core [2024-04-06 23:37:35,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:37:36,932 INFO L134 CoverageAnalysis]: Checked inductivity of 13226 backedges. 407 proven. 2668 refuted. 0 times theorem prover too weak. 10151 trivial. 0 not checked. [2024-04-06 23:37:36,933 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:37:39,498 INFO L134 CoverageAnalysis]: Checked inductivity of 13226 backedges. 407 proven. 2665 refuted. 0 times theorem prover too weak. 10154 trivial. 0 not checked. [2024-04-06 23:37:39,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244414424] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:37:39,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:37:39,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 27, 25] total 54 [2024-04-06 23:37:39,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112092514] [2024-04-06 23:37:39,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:37:39,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-04-06 23:37:39,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:37:39,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-04-06 23:37:39,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=2521, Unknown=0, NotChecked=0, Total=2862 [2024-04-06 23:37:39,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:37:39,500 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:37:39,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 4.055555555555555) internal successors, (219), 54 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:37:39,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:37:39,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:37:39,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:37:39,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:37:39,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:37:39,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:37:39,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:37:39,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:37:39,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:37:39,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:37:39,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:37:39,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:37:39,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:37:39,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 328 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 277 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 461 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 380 states. [2024-04-06 23:37:39,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:38:04,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:38:04,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:38:04,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:38:04,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:38:04,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:38:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:38:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-04-06 23:38:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 328 states. [2024-04-06 23:38:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:38:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2024-04-06 23:38:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2024-04-06 23:38:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:38:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 277 states. [2024-04-06 23:38:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 461 states. [2024-04-06 23:38:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:38:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2024-04-06 23:38:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 380 states. [2024-04-06 23:38:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 23:38:04,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-04-06 23:38:04,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-04-06 23:38:04,620 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 23:38:04,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:38:04,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1922770669, now seen corresponding path program 33 times [2024-04-06 23:38:04,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:38:04,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772181329] [2024-04-06 23:38:04,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:38:04,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:38:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:38:08,021 INFO L134 CoverageAnalysis]: Checked inductivity of 13575 backedges. 148 proven. 2868 refuted. 0 times theorem prover too weak. 10559 trivial. 0 not checked. [2024-04-06 23:38:08,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:38:08,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772181329] [2024-04-06 23:38:08,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772181329] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:38:08,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436895521] [2024-04-06 23:38:08,022 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 23:38:08,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:38:08,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:38:08,023 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:38:08,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-04-06 23:38:08,293 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 58 check-sat command(s) [2024-04-06 23:38:08,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:38:08,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 119 conjunts are in the unsatisfiable core [2024-04-06 23:38:08,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:38:12,492 INFO L134 CoverageAnalysis]: Checked inductivity of 13575 backedges. 148 proven. 13425 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:38:12,492 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:38:19,501 INFO L134 CoverageAnalysis]: Checked inductivity of 13575 backedges. 1225 proven. 12348 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 23:38:19,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436895521] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:38:19,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:38:19,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 120, 120] total 244 [2024-04-06 23:38:19,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152201742] [2024-04-06 23:38:19,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:38:19,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 244 states [2024-04-06 23:38:19,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:38:19,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 244 interpolants. [2024-04-06 23:38:19,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11233, Invalid=48059, Unknown=0, NotChecked=0, Total=59292 [2024-04-06 23:38:19,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:38:19,513 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:38:19,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 244 states, 244 states have (on average 4.163934426229508) internal successors, (1016), 244 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:38:19,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:38:19,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:38:19,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:38:19,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 23:38:19,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 328 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 277 states. [2024-04-06 23:38:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 461 states. [2024-04-06 23:38:19,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 23:38:19,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2024-04-06 23:38:19,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 380 states. [2024-04-06 23:38:19,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-06 23:38:19,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.