/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 213 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-07 03:24:52,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-07 03:24:52,246 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-07 03:24:52,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-07 03:24:52,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-07 03:24:52,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-07 03:24:52,268 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-07 03:24:52,269 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-07 03:24:52,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-07 03:24:52,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-07 03:24:52,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-07 03:24:52,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-07 03:24:52,271 INFO L153 SettingsManager]: * Use SBE=true [2024-04-07 03:24:52,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-07 03:24:52,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-07 03:24:52,272 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-07 03:24:52,272 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-07 03:24:52,272 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-07 03:24:52,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-07 03:24:52,273 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-07 03:24:52,273 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-07 03:24:52,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-07 03:24:52,274 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-07 03:24:52,274 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-07 03:24:52,275 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-07 03:24:52,275 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-07 03:24:52,275 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-07 03:24:52,276 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-07 03:24:52,276 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-07 03:24:52,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-07 03:24:52,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-07 03:24:52,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-07 03:24:52,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-07 03:24:52,277 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-07 03:24:52,277 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-07 03:24:52,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-07 03:24:52,278 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-07 03:24:52,278 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-07 03:24:52,295 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-07 03:24:52,295 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-07 03:24:52,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-07 03:24:52,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-07 03:24:52,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-07 03:24:52,584 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-07 03:24:52,585 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-07 03:24:52,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-2.wvr.bpl [2024-04-07 03:24:52,586 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-2.wvr.bpl' [2024-04-07 03:24:52,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-07 03:24:52,629 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-07 03:24:52,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-07 03:24:52,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-07 03:24:52,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-07 03:24:52,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 03:24:52" (1/1) ... [2024-04-07 03:24:52,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 03:24:52" (1/1) ... [2024-04-07 03:24:52,677 INFO L138 Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-07 03:24:52,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-07 03:24:52,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-07 03:24:52,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-07 03:24:52,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-07 03:24:52,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 03:24:52" (1/1) ... [2024-04-07 03:24:52,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 03:24:52" (1/1) ... [2024-04-07 03:24:52,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 03:24:52" (1/1) ... [2024-04-07 03:24:52,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 03:24:52" (1/1) ... [2024-04-07 03:24:52,700 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 03:24:52" (1/1) ... [2024-04-07 03:24:52,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 03:24:52" (1/1) ... [2024-04-07 03:24:52,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 03:24:52" (1/1) ... [2024-04-07 03:24:52,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 03:24:52" (1/1) ... [2024-04-07 03:24:52,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-07 03:24:52,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-07 03:24:52,709 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-07 03:24:52,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-07 03:24:52,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 03:24:52" (1/1) ... [2024-04-07 03:24:52,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-07 03:24:52,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:24:52,744 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) [2024-04-07 03:24:52,765 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 [2024-04-07 03:24:52,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-07 03:24:52,791 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-07 03:24:52,791 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-07 03:24:52,791 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-07 03:24:52,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-07 03:24:52,792 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-07 03:24:52,792 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-07 03:24:52,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-07 03:24:52,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-07 03:24:52,792 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-04-07 03:24:52,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-07 03:24:52,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-07 03:24:52,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2024-04-07 03:24:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-07 03:24:52,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-07 03:24:52,794 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2024-04-07 03:24:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-04-07 03:24:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-04-07 03:24:52,794 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2024-04-07 03:24:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-04-07 03:24:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-04-07 03:24:52,795 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-07 03:24:52,853 INFO L241 CfgBuilder]: Building ICFG [2024-04-07 03:24:52,855 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-07 03:24:52,956 INFO L282 CfgBuilder]: Performing block encoding [2024-04-07 03:24:52,989 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-07 03:24:52,990 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-04-07 03:24:52,991 INFO L201 PluginConnector]: Adding new model parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 03:24:52 BoogieIcfgContainer [2024-04-07 03:24:52,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-07 03:24:52,994 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-07 03:24:52,994 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-07 03:24:52,998 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-07 03:24:52,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 03:24:52" (1/2) ... [2024-04-07 03:24:52,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685bfe26 and model type parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 03:24:52, skipping insertion in model container [2024-04-07 03:24:52,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 03:24:52" (2/2) ... [2024-04-07 03:24:53,000 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-sum-2.wvr.bpl [2024-04-07 03:24:53,007 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-07 03:24:53,016 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-07 03:24:53,016 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-07 03:24:53,016 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-07 03:24:53,099 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-04-07 03:24:53,137 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-07 03:24:53,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-07 03:24:53,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:24:53,144 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) [2024-04-07 03:24:53,151 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 [2024-04-07 03:24:53,210 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-07 03:24:53,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:24:53,233 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-07 03:24:53,242 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;@28646762, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-07 03:24:53,242 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-04-07 03:24:55,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1260329777, now seen corresponding path program 1 times [2024-04-07 03:24:55,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:24:55,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:24:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:24:55,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 03:24:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:24:55,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1260329777, now seen corresponding path program 2 times [2024-04-07 03:24:55,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:24:55,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:24:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:24:55,811 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 03:24:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:24:56,026 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:24:56,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:24:56,029 INFO L85 PathProgramCache]: Analyzing trace with hash 38302393, now seen corresponding path program 1 times [2024-04-07 03:24:56,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:24:56,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071886649] [2024-04-07 03:24:56,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:24:56,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:24:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:24:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:24:56,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:24:56,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071886649] [2024-04-07 03:24:56,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071886649] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-07 03:24:56,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-07 03:24:56,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-07 03:24:56,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520326463] [2024-04-07 03:24:56,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-07 03:24:56,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-07 03:24:56,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:24:56,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-07 03:24:56,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-07 03:24:56,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:24:56,295 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:24:56,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-04-07 03:24:56,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:24:56,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 03:24:56,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1260329777, now seen corresponding path program 3 times [2024-04-07 03:24:56,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:24:56,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:24:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:24:56,572 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 03:24:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:24:56,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 03:24:56,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1260329777, now seen corresponding path program 4 times [2024-04-07 03:24:56,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:24:56,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:24:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:24:56,731 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 03:24:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:24:57,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:24:57,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2 [2024-04-07 03:24:57,049 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:24:57,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:24:57,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1710408902, now seen corresponding path program 1 times [2024-04-07 03:24:57,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:24:57,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956124217] [2024-04-07 03:24:57,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:24:57,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:24:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:24:57,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:24:57,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:24:57,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956124217] [2024-04-07 03:24:57,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956124217] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-07 03:24:57,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-07 03:24:57,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-07 03:24:57,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557735658] [2024-04-07 03:24:57,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-07 03:24:57,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-07 03:24:57,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:24:57,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-07 03:24:57,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-07 03:24:57,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:24:57,145 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:24:57,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-07 03:24:57,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:24:57,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:24:57,557 INFO L85 PathProgramCache]: Analyzing trace with hash 587081074, now seen corresponding path program 1 times [2024-04-07 03:24:57,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:24:57,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:24:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:24:57,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 03:24:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:24:57,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 03:24:59,937 INFO L85 PathProgramCache]: Analyzing trace with hash -2082339244, now seen corresponding path program 1 times [2024-04-07 03:24:59,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:24:59,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:24:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:24:59,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 03:24:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:25:00,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:00,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:00,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-04-07 03:25:00,053 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:25:00,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:25:00,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1648873984, now seen corresponding path program 1 times [2024-04-07 03:25:00,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:25:00,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141443129] [2024-04-07 03:25:00,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:25:00,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:25:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:25:00,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:25:00,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:25:00,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141443129] [2024-04-07 03:25:00,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141443129] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-07 03:25:00,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-07 03:25:00,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-07 03:25:00,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135484868] [2024-04-07 03:25:00,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-07 03:25:00,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-07 03:25:00,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:25:00,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-07 03:25:00,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-07 03:25:00,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:25:00,092 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:25:00,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-07 03:25:00,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:00,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:00,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:25:00,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 03:25:02,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1260329777, now seen corresponding path program 5 times [2024-04-07 03:25:02,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:25:02,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:25:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:25:02,334 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 03:25:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:25:02,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 03:25:02,495 INFO L85 PathProgramCache]: Analyzing trace with hash -3858366, now seen corresponding path program 1 times [2024-04-07 03:25:02,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:25:02,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:25:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:25:02,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 03:25:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:25:03,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:03,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:03,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:25:03,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-04-07 03:25:03,198 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:25:03,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:25:03,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1548570075, now seen corresponding path program 1 times [2024-04-07 03:25:03,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:25:03,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798029104] [2024-04-07 03:25:03,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:25:03,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:25:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:25:03,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:25:03,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:25:03,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798029104] [2024-04-07 03:25:03,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798029104] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:25:03,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511825878] [2024-04-07 03:25:03,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:25:03,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:25:03,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:25:03,420 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) [2024-04-07 03:25:03,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-07 03:25:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:25:03,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-07 03:25:03,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:25:03,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-07 03:25:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:25:03,848 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:25:03,932 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:25:03,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 18 [2024-04-07 03:25:03,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:25:03,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511825878] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:25:03,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:25:03,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 20 [2024-04-07 03:25:03,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823996145] [2024-04-07 03:25:03,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:25:03,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-07 03:25:03,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:25:03,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-07 03:25:03,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2024-04-07 03:25:03,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:25:03,994 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:25:03,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 20 states have internal predecessors, (78), 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) [2024-04-07 03:25:03,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:03,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:03,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:25:03,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:25:04,494 INFO L85 PathProgramCache]: Analyzing trace with hash -119609238, now seen corresponding path program 1 times [2024-04-07 03:25:04,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:25:04,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:25:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:25:04,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 03:25:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:25:05,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:05,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:05,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:25:05,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-07 03:25:05,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-07 03:25:05,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12 [2024-04-07 03:25:05,935 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:25:05,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:25:05,935 INFO L85 PathProgramCache]: Analyzing trace with hash -2042112548, now seen corresponding path program 2 times [2024-04-07 03:25:05,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:25:05,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699677290] [2024-04-07 03:25:05,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:25:05,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:25:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:25:05,982 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 03:25:05,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:25:05,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699677290] [2024-04-07 03:25:05,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699677290] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:25:05,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461579071] [2024-04-07 03:25:05,983 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-07 03:25:05,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:25:05,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:25:05,985 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) [2024-04-07 03:25:06,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-07 03:25:06,066 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-07 03:25:06,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:25:06,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2024-04-07 03:25:06,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:25:06,109 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 03:25:06,109 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:25:06,157 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 03:25:06,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461579071] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:25:06,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:25:06,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 5 [2024-04-07 03:25:06,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353032111] [2024-04-07 03:25:06,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:25:06,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-07 03:25:06,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:25:06,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-07 03:25:06,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-04-07 03:25:06,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:25:06,159 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:25:06,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-07 03:25:06,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:06,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:06,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:25:06,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-07 03:25:06,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:25:06,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:06,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:06,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:25:06,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-07 03:25:06,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:25:06,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-07 03:25:06,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-04-07 03:25:06,921 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:25:06,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:25:06,922 INFO L85 PathProgramCache]: Analyzing trace with hash -2043437662, now seen corresponding path program 3 times [2024-04-07 03:25:06,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:25:06,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835138897] [2024-04-07 03:25:06,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:25:06,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:25:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:25:06,985 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:25:06,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:25:06,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835138897] [2024-04-07 03:25:06,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835138897] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:25:06,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215553465] [2024-04-07 03:25:06,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-07 03:25:06,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:25:06,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:25:06,988 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) [2024-04-07 03:25:07,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-07 03:25:07,150 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-07 03:25:07,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:25:07,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2024-04-07 03:25:07,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:25:07,194 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-07 03:25:07,194 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:25:07,246 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-07 03:25:07,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215553465] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:25:07,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:25:07,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2024-04-07 03:25:07,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715402771] [2024-04-07 03:25:07,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:25:07,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-07 03:25:07,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:25:07,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-07 03:25:07,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-04-07 03:25:07,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:25:07,249 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:25:07,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-07 03:25:07,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:07,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:07,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:25:07,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-07 03:25:07,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:25:07,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:25:07,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2024-04-07 03:25:07,683 INFO L85 PathProgramCache]: Analyzing trace with hash -119609237, now seen corresponding path program 1 times [2024-04-07 03:25:07,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:25:07,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:25:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:25:07,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 03:25:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:25:07,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:07,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:07,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:25:07,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:25:07,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:25:07,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-07 03:25:07,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-07 03:25:08,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-04-07 03:25:08,111 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:25:08,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:25:08,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1052177633, now seen corresponding path program 4 times [2024-04-07 03:25:08,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:25:08,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795841854] [2024-04-07 03:25:08,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:25:08,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:25:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:25:08,875 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:25:08,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:25:08,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795841854] [2024-04-07 03:25:08,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795841854] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:25:08,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852931444] [2024-04-07 03:25:08,876 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-07 03:25:08,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:25:08,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:25:08,877 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) [2024-04-07 03:25:08,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-07 03:25:08,940 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-07 03:25:08,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:25:08,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 53 conjunts are in the unsatisfiable core [2024-04-07 03:25:08,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:25:09,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-04-07 03:25:09,545 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:25:09,545 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:25:09,958 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:25:09,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 37 treesize of output 98 [2024-04-07 03:25:10,168 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:25:10,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852931444] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:25:10,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:25:10,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 16] total 44 [2024-04-07 03:25:10,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672720460] [2024-04-07 03:25:10,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:25:10,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-04-07 03:25:10,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:25:10,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-04-07 03:25:10,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=1756, Unknown=0, NotChecked=0, Total=1980 [2024-04-07 03:25:10,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:25:10,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:25:10,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.066666666666667) internal successors, (93), 44 states have internal predecessors, (93), 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) [2024-04-07 03:25:10,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:10,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:10,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:25:10,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:25:10,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:25:10,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-07 03:25:10,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:25:14,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:14,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:14,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:25:14,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:25:14,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:25:14,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-07 03:25:14,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-07 03:25:15,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-07 03:25:15,199 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,SelfDestructingSolverStorable16 [2024-04-07 03:25:15,200 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:25:15,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:25:15,200 INFO L85 PathProgramCache]: Analyzing trace with hash 682705609, now seen corresponding path program 5 times [2024-04-07 03:25:15,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:25:15,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674138106] [2024-04-07 03:25:15,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:25:15,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:25:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:25:16,501 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-04-07 03:25:16,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:25:16,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674138106] [2024-04-07 03:25:16,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674138106] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:25:16,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864089679] [2024-04-07 03:25:16,502 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-07 03:25:16,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:25:16,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:25:16,504 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) [2024-04-07 03:25:16,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-07 03:25:16,566 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-04-07 03:25:16,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:25:16,568 WARN L260 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 115 conjunts are in the unsatisfiable core [2024-04-07 03:25:16,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:25:18,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2024-04-07 03:25:18,291 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:25:18,291 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:25:20,677 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:25:20,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 87 treesize of output 648 [2024-04-07 03:25:32,579 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:25:32,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864089679] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:25:32,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:25:32,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 37, 36] total 85 [2024-04-07 03:25:32,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929331816] [2024-04-07 03:25:32,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:25:32,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-04-07 03:25:32,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:25:32,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-04-07 03:25:32,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=686, Invalid=6624, Unknown=0, NotChecked=0, Total=7310 [2024-04-07 03:25:32,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:25:32,585 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:25:32,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 1.6627906976744187) internal successors, (143), 85 states have internal predecessors, (143), 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) [2024-04-07 03:25:32,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:32,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:32,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:25:32,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:25:32,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:25:32,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-07 03:25:32,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-07 03:25:32,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:25:33,033 INFO L85 PathProgramCache]: Analyzing trace with hash -652080866, now seen corresponding path program 1 times [2024-04-07 03:25:33,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:25:33,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:25:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:25:33,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 03:25:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:25:58,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:58,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:58,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:25:58,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:25:58,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:25:58,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-07 03:25:58,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:25:58,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:25:58,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-07 03:25:58,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-07 03:25:58,845 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:25:58,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:25:58,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1223284305, now seen corresponding path program 1 times [2024-04-07 03:25:58,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:25:58,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584852247] [2024-04-07 03:25:58,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:25:58,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:25:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:25:58,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:25:58,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:25:58,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584852247] [2024-04-07 03:25:58,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584852247] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:25:58,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830669248] [2024-04-07 03:25:58,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:25:58,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:25:58,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:25:58,981 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) [2024-04-07 03:25:58,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-07 03:25:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:25:59,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-07 03:25:59,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:25:59,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-07 03:25:59,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:25:59,337 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:25:59,415 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:25:59,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 18 [2024-04-07 03:25:59,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:25:59,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830669248] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:25:59,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:25:59,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 20 [2024-04-07 03:25:59,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356298462] [2024-04-07 03:25:59,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:25:59,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-07 03:25:59,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:25:59,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-07 03:25:59,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2024-04-07 03:25:59,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:25:59,465 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:25:59,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 20 states have internal predecessors, (78), 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) [2024-04-07 03:25:59,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:59,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:25:59,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:25:59,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:25:59,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:25:59,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-07 03:25:59,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:25:59,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:25:59,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:25:59,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 03:26:01,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 03:26:01,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 03:26:01,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1544200147, now seen corresponding path program 1 times [2024-04-07 03:26:01,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:26:01,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:26:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:26:01,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 03:26:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:26:02,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2024-04-07 03:26:02,222 INFO L85 PathProgramCache]: Analyzing trace with hash -119609237, now seen corresponding path program 2 times [2024-04-07 03:26:02,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:26:02,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:26:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:26:02,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 03:26:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:26:02,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:02,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:02,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:26:02,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:02,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:26:02,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-07 03:26:02,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:26:02,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:26:02,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:02,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-07 03:26:02,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21 [2024-04-07 03:26:02,898 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:26:02,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:26:02,899 INFO L85 PathProgramCache]: Analyzing trace with hash -590691507, now seen corresponding path program 2 times [2024-04-07 03:26:02,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:26:02,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563053697] [2024-04-07 03:26:02,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:26:02,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:26:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:26:03,433 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:26:03,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:26:03,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563053697] [2024-04-07 03:26:03,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563053697] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:26:03,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773635686] [2024-04-07 03:26:03,433 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-07 03:26:03,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:26:03,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:26:03,435 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) [2024-04-07 03:26:03,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-07 03:26:03,482 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-07 03:26:03,482 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:26:03,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 55 conjunts are in the unsatisfiable core [2024-04-07 03:26:03,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:26:03,943 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:26:03,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 39 [2024-04-07 03:26:04,138 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:26:04,139 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:26:04,502 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:26:04,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 48 [2024-04-07 03:26:04,554 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:26:04,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773635686] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:26:04,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:26:04,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 46 [2024-04-07 03:26:04,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821283642] [2024-04-07 03:26:04,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:26:04,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-04-07 03:26:04,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:26:04,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-04-07 03:26:04,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1923, Unknown=0, NotChecked=0, Total=2162 [2024-04-07 03:26:04,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:26:04,557 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:26:04,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 1.8297872340425532) internal successors, (86), 46 states have internal predecessors, (86), 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) [2024-04-07 03:26:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:04,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:04,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:26:04,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:04,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:26:04,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-07 03:26:04,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:26:04,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:26:04,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:04,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:26:09,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:09,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:09,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:26:09,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:09,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:26:09,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-07 03:26:09,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:26:09,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:26:09,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:09,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-07 03:26:09,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-07 03:26:09,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:26:09,313 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:26:09,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:26:09,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1963411015, now seen corresponding path program 3 times [2024-04-07 03:26:09,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:26:09,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041295605] [2024-04-07 03:26:09,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:26:09,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:26:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:26:10,108 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-04-07 03:26:10,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:26:10,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041295605] [2024-04-07 03:26:10,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041295605] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:26:10,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805516522] [2024-04-07 03:26:10,109 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-07 03:26:10,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:26:10,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:26:10,112 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) [2024-04-07 03:26:10,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-07 03:26:10,166 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-07 03:26:10,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:26:10,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 91 conjunts are in the unsatisfiable core [2024-04-07 03:26:10,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:26:11,263 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:26:11,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 30 case distinctions, treesize of input 51 treesize of output 213 [2024-04-07 03:26:12,478 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:26:12,478 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:26:13,176 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:26:13,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 48 [2024-04-07 03:26:13,285 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-04-07 03:26:13,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805516522] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:26:13,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:26:13,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 30, 18] total 58 [2024-04-07 03:26:13,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575127531] [2024-04-07 03:26:13,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:26:13,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-04-07 03:26:13,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:26:13,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-04-07 03:26:13,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=274, Invalid=3148, Unknown=0, NotChecked=0, Total=3422 [2024-04-07 03:26:13,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:26:13,297 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:26:13,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 1.847457627118644) internal successors, (109), 58 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) [2024-04-07 03:26:13,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:13,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:13,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:26:13,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:26:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-07 03:26:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:26:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:26:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-07 03:26:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:26:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:26:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:26:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:26:25,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:26:25,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:26:25,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:25,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:26:25,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-07 03:26:25,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-04-07 03:26:25,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:26:25,556 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:26:25,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:26:25,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1523880508, now seen corresponding path program 1 times [2024-04-07 03:26:25,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:26:25,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740222030] [2024-04-07 03:26:25,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:26:25,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:26:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:26:25,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:26:25,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:26:25,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740222030] [2024-04-07 03:26:25,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740222030] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:26:25,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826289064] [2024-04-07 03:26:25,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:26:25,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:26:25,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:26:25,597 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) [2024-04-07 03:26:25,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-07 03:26:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:26:25,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-07 03:26:25,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:26:25,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:26:25,684 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:26:25,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:26:25,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826289064] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:26:25,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:26:25,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-04-07 03:26:25,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435821805] [2024-04-07 03:26:25,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:26:25,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-07 03:26:25,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:26:25,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-07 03:26:25,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-04-07 03:26:25,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:26:25,714 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:26:25,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-04-07 03:26:25,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:25,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:25,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:26:25,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:25,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:26:25,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:26:25,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:26:25,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:26:25,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:25,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:26:25,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-07 03:26:25,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:26:26,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:26,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:26,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:26:26,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:26,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:26:26,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:26:26,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:26:26,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:26:26,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:26,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:26:26,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:26:26,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:26,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-07 03:26:26,212 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,SelfDestructingSolverStorable24 [2024-04-07 03:26:26,212 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:26:26,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:26:26,213 INFO L85 PathProgramCache]: Analyzing trace with hash 62552259, now seen corresponding path program 2 times [2024-04-07 03:26:26,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:26:26,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681913490] [2024-04-07 03:26:26,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:26:26,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:26:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:26:26,584 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:26:26,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:26:26,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681913490] [2024-04-07 03:26:26,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681913490] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:26:26,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315667755] [2024-04-07 03:26:26,585 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-07 03:26:26,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:26:26,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:26:26,587 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) [2024-04-07 03:26:26,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-07 03:26:26,658 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-07 03:26:26,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:26:26,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 42 conjunts are in the unsatisfiable core [2024-04-07 03:26:26,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:26:26,923 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:26:26,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2024-04-07 03:26:27,176 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:26:27,177 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:26:27,572 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 03:26:27,588 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:26:27,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 25 treesize of output 50 [2024-04-07 03:26:27,677 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:26:27,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315667755] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:26:27,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:26:27,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 34 [2024-04-07 03:26:27,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76382420] [2024-04-07 03:26:27,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:26:27,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-04-07 03:26:27,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:26:27,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-04-07 03:26:27,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1045, Unknown=0, NotChecked=0, Total=1190 [2024-04-07 03:26:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:26:27,679 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:26:27,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 34 states have internal predecessors, (88), 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) [2024-04-07 03:26:27,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:27,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:27,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:26:27,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:27,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:26:27,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:26:27,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:26:27,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:26:27,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:27,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:26:27,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:26:27,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:27,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:26:29,706 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:26:29,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 45 [2024-04-07 03:26:44,323 INFO L85 PathProgramCache]: Analyzing trace with hash 326750261, now seen corresponding path program 2 times [2024-04-07 03:26:44,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:26:44,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:26:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:26:44,328 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 03:26:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 03:26:49,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:49,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:49,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:26:49,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:49,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:26:49,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:26:49,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:26:49,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:26:49,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:49,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:26:49,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:26:49,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:49,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-04-07 03:26:49,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-07 03:26:49,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-04-07 03:26:49,501 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:26:49,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:26:49,501 INFO L85 PathProgramCache]: Analyzing trace with hash -252007422, now seen corresponding path program 3 times [2024-04-07 03:26:49,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:26:49,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160859366] [2024-04-07 03:26:49,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:26:49,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:26:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:26:49,595 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:26:49,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:26:49,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160859366] [2024-04-07 03:26:49,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160859366] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:26:49,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455048876] [2024-04-07 03:26:49,596 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-07 03:26:49,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:26:49,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:26:49,597 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) [2024-04-07 03:26:49,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-07 03:26:49,663 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-07 03:26:49,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:26:49,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-07 03:26:49,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:26:49,713 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 03:26:49,714 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:26:49,782 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 03:26:49,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455048876] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:26:49,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:26:49,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 9 [2024-04-07 03:26:49,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097179951] [2024-04-07 03:26:49,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:26:49,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-07 03:26:49,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:26:49,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-07 03:26:49,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-04-07 03:26:49,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:26:49,784 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:26:49,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 9 states have internal predecessors, (46), 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) [2024-04-07 03:26:49,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:49,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:49,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:26:49,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:49,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:26:49,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:26:49,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:26:49,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:26:49,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:49,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:26:49,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:26:49,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:49,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-04-07 03:26:49,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:26:50,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:50,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:50,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:26:50,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:50,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:26:50,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:26:50,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:26:50,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:26:50,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:50,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:26:50,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:26:50,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:50,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:26:50,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-07 03:26:50,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-07 03:26:50,566 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,SelfDestructingSolverStorable27 [2024-04-07 03:26:50,567 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:26:50,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:26:50,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1256715230, now seen corresponding path program 4 times [2024-04-07 03:26:50,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:26:50,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749140737] [2024-04-07 03:26:50,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:26:50,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:26:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:26:50,615 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 03:26:50,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:26:50,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749140737] [2024-04-07 03:26:50,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749140737] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:26:50,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857019889] [2024-04-07 03:26:50,616 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-07 03:26:50,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:26:50,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:26:50,617 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) [2024-04-07 03:26:50,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-07 03:26:50,665 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-07 03:26:50,665 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:26:50,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-07 03:26:50,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:26:50,703 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 03:26:50,704 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:26:50,755 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 03:26:50,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857019889] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:26:50,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:26:50,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-04-07 03:26:50,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943788186] [2024-04-07 03:26:50,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:26:50,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-07 03:26:50,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:26:50,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-07 03:26:50,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-04-07 03:26:50,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:26:50,758 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:26:50,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-07 03:26:50,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:50,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:50,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:26:50,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:50,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:26:50,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:26:50,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:26:50,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:26:50,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:50,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:26:50,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:26:50,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:50,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:26:50,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-07 03:26:50,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:26:51,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:51,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:51,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:26:51,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:51,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:26:51,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:26:51,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:26:51,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:26:51,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:51,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:26:51,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:26:51,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:51,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:26:51,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-07 03:26:51,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:51,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-07 03:26:51,250 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,SelfDestructingSolverStorable28 [2024-04-07 03:26:51,251 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:26:51,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:26:51,252 INFO L85 PathProgramCache]: Analyzing trace with hash 951897829, now seen corresponding path program 5 times [2024-04-07 03:26:51,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:26:51,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136126733] [2024-04-07 03:26:51,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:26:51,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:26:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:26:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:26:51,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:26:51,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136126733] [2024-04-07 03:26:51,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136126733] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:26:51,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800088927] [2024-04-07 03:26:51,683 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-07 03:26:51,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:26:51,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:26:51,684 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) [2024-04-07 03:26:51,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-07 03:26:51,725 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-04-07 03:26:51,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:26:51,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 56 conjunts are in the unsatisfiable core [2024-04-07 03:26:51,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:26:52,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-04-07 03:26:52,304 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:26:52,304 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:26:52,666 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 03:26:52,668 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 03:26:52,668 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 03:26:52,693 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:26:52,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 37 treesize of output 68 [2024-04-07 03:26:52,757 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:26:52,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800088927] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:26:52,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:26:52,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 42 [2024-04-07 03:26:52,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647839804] [2024-04-07 03:26:52,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:26:52,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-04-07 03:26:52,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:26:52,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-04-07 03:26:52,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=1509, Unknown=0, NotChecked=0, Total=1806 [2024-04-07 03:26:52,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:26:52,760 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:26:52,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.116279069767442) internal successors, (91), 42 states have internal predecessors, (91), 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) [2024-04-07 03:26:52,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:52,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:52,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:26:52,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:52,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:26:52,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:26:52,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:26:52,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:26:52,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:52,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:26:52,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:26:52,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:52,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:26:52,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-07 03:26:52,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:52,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:26:58,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:58,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:58,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:26:58,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:58,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:26:58,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:26:58,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:26:58,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:26:58,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:26:58,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:26:58,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:26:58,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:58,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:26:58,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-07 03:26:58,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:26:58,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-07 03:26:58,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-04-07 03:26:59,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:26:59,124 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:26:59,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:26:59,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1679402967, now seen corresponding path program 6 times [2024-04-07 03:26:59,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:26:59,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53965034] [2024-04-07 03:26:59,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:26:59,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:26:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:26:59,754 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-07 03:26:59,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:26:59,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53965034] [2024-04-07 03:26:59,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53965034] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:26:59,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74733289] [2024-04-07 03:26:59,755 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-07 03:26:59,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:26:59,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:26:59,756 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) [2024-04-07 03:26:59,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-07 03:26:59,845 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-04-07 03:26:59,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:26:59,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 79 conjunts are in the unsatisfiable core [2024-04-07 03:26:59,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:27:00,666 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:27:00,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 41 treesize of output 61 [2024-04-07 03:27:00,890 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:27:00,891 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:27:01,882 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:27:01,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 47 treesize of output 168 [2024-04-07 03:27:02,822 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:27:02,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74733289] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:27:02,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:27:02,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 26, 26] total 66 [2024-04-07 03:27:02,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249046009] [2024-04-07 03:27:02,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:27:02,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-04-07 03:27:02,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:27:02,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-04-07 03:27:02,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=452, Invalid=3970, Unknown=0, NotChecked=0, Total=4422 [2024-04-07 03:27:02,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:27:02,824 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:27:02,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 1.791044776119403) internal successors, (120), 66 states have internal predecessors, (120), 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) [2024-04-07 03:27:02,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:02,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:02,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:27:02,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:27:02,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:27:02,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:27:02,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:27:02,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:27:02,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:27:02,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:27:02,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:27:02,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:02,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:27:02,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-07 03:27:02,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:02,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-07 03:27:02,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:27:13,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:13,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:13,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:27:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:27:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:27:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:27:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:27:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:27:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:27:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:27:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:27:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:27:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-07 03:27:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:27:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:27:13,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-04-07 03:27:13,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:27:13,787 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:27:13,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:27:13,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1061982125, now seen corresponding path program 7 times [2024-04-07 03:27:13,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:27:13,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662364367] [2024-04-07 03:27:13,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:27:13,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:27:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:27:14,210 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:27:14,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:27:14,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662364367] [2024-04-07 03:27:14,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662364367] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:27:14,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491310787] [2024-04-07 03:27:14,210 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-07 03:27:14,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:27:14,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:27:14,211 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) [2024-04-07 03:27:14,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-07 03:27:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:27:14,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 53 conjunts are in the unsatisfiable core [2024-04-07 03:27:14,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:27:14,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-04-07 03:27:14,840 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:27:14,840 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:27:15,186 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:27:15,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 37 treesize of output 98 [2024-04-07 03:27:15,384 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:27:15,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491310787] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:27:15,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:27:15,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 43 [2024-04-07 03:27:15,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018074160] [2024-04-07 03:27:15,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:27:15,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-04-07 03:27:15,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:27:15,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-04-07 03:27:15,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1657, Unknown=0, NotChecked=0, Total=1892 [2024-04-07 03:27:15,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:27:15,386 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:27:15,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 2.159090909090909) internal successors, (95), 43 states have internal predecessors, (95), 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) [2024-04-07 03:27:15,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:15,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:15,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:27:15,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:27:15,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:27:15,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:27:15,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:27:15,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:27:15,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:27:15,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:27:15,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:27:15,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:15,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:27:15,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-07 03:27:15,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:15,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:27:15,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:27:15,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:27:20,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:20,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:20,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:27:20,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:27:20,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:27:20,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:27:20,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:27:20,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:27:20,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:27:20,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:27:20,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:27:20,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:20,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:27:20,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-07 03:27:20,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:20,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:27:20,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:27:20,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-04-07 03:27:20,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-07 03:27:20,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-04-07 03:27:20,580 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:27:20,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:27:20,580 INFO L85 PathProgramCache]: Analyzing trace with hash 569482577, now seen corresponding path program 8 times [2024-04-07 03:27:20,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:27:20,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234119934] [2024-04-07 03:27:20,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:27:20,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:27:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:27:21,092 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:27:21,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:27:21,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234119934] [2024-04-07 03:27:21,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234119934] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:27:21,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483189951] [2024-04-07 03:27:21,092 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-07 03:27:21,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:27:21,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:27:21,093 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) [2024-04-07 03:27:21,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-07 03:27:21,137 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-07 03:27:21,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:27:21,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 66 conjunts are in the unsatisfiable core [2024-04-07 03:27:21,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:27:21,790 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:27:21,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 51 [2024-04-07 03:27:22,001 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:27:22,001 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:27:23,240 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 03:27:23,241 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 03:27:23,245 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 03:27:23,248 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 03:27:23,249 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 03:27:23,251 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 03:27:23,311 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:27:23,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 45 treesize of output 140 [2024-04-07 03:27:23,468 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:27:23,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483189951] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:27:23,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:27:23,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 21] total 57 [2024-04-07 03:27:23,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322158757] [2024-04-07 03:27:23,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:27:23,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-04-07 03:27:23,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:27:23,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-04-07 03:27:23,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=402, Invalid=2904, Unknown=0, NotChecked=0, Total=3306 [2024-04-07 03:27:23,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:27:23,471 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:27:23,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 1.9310344827586208) internal successors, (112), 57 states have internal predecessors, (112), 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) [2024-04-07 03:27:23,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:23,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:23,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:27:23,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:27:23,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:27:23,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:27:23,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:27:23,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:27:23,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:27:23,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:27:23,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:27:23,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:23,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:27:23,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-07 03:27:23,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:23,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:27:23,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:27:23,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-04-07 03:27:23,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:27:47,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:47,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:47,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:27:47,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:27:47,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:27:47,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:27:47,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:27:47,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:27:47,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:27:47,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:27:47,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:27:47,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:47,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:27:47,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-07 03:27:47,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:47,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:27:47,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:27:47,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-04-07 03:27:47,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2024-04-07 03:27:47,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-04-07 03:27:48,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:27:48,037 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:27:48,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:27:48,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1349347917, now seen corresponding path program 9 times [2024-04-07 03:27:48,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:27:48,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938562353] [2024-04-07 03:27:48,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:27:48,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:27:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:27:48,854 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-07 03:27:48,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:27:48,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938562353] [2024-04-07 03:27:48,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938562353] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:27:48,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365905134] [2024-04-07 03:27:48,855 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-07 03:27:48,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:27:48,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:27:48,856 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) [2024-04-07 03:27:48,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-07 03:27:48,921 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-04-07 03:27:48,921 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:27:48,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 91 conjunts are in the unsatisfiable core [2024-04-07 03:27:48,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:27:50,250 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:27:50,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 15 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 40 case distinctions, treesize of input 55 treesize of output 263 [2024-04-07 03:27:51,067 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:27:51,067 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:27:51,801 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:27:51,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 18 [2024-04-07 03:27:51,876 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-07 03:27:51,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365905134] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:27:51,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:27:51,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 30, 16] total 61 [2024-04-07 03:27:51,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126480599] [2024-04-07 03:27:51,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:27:51,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-04-07 03:27:51,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:27:51,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-04-07 03:27:51,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=294, Invalid=3488, Unknown=0, NotChecked=0, Total=3782 [2024-04-07 03:27:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:27:51,879 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:27:51,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 1.8870967741935485) internal successors, (117), 61 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-07 03:27:51,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:51,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:51,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:27:51,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:27:51,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:27:51,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:27:51,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:27:51,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:27:51,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:27:51,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:27:51,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:27:51,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:51,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:27:51,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-07 03:27:51,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:27:51,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:27:51,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:27:51,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-04-07 03:27:51,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2024-04-07 03:27:51,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:28:09,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:09,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:09,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:28:09,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:28:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:28:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:28:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:28:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:28:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:28:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:28:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:28:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:28:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:28:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:28:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:28:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:28:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-04-07 03:28:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:28:09,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-04-07 03:28:09,836 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,SelfDestructingSolverStorable33 [2024-04-07 03:28:09,836 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:28:09,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:28:09,837 INFO L85 PathProgramCache]: Analyzing trace with hash -315391035, now seen corresponding path program 10 times [2024-04-07 03:28:09,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:28:09,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044234382] [2024-04-07 03:28:09,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:28:09,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:28:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:28:10,515 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:28:10,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:28:10,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044234382] [2024-04-07 03:28:10,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044234382] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:28:10,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753405563] [2024-04-07 03:28:10,516 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-07 03:28:10,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:28:10,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:28:10,517 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) [2024-04-07 03:28:10,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-07 03:28:10,581 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-07 03:28:10,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:28:10,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 65 conjunts are in the unsatisfiable core [2024-04-07 03:28:10,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:28:11,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-04-07 03:28:11,490 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:28:11,490 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:28:12,139 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:28:12,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 47 treesize of output 168 [2024-04-07 03:28:12,436 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:28:12,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753405563] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:28:12,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:28:12,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20, 20] total 56 [2024-04-07 03:28:12,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150920364] [2024-04-07 03:28:12,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:28:12,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-04-07 03:28:12,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:28:12,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-04-07 03:28:12,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=288, Invalid=2904, Unknown=0, NotChecked=0, Total=3192 [2024-04-07 03:28:12,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:28:12,439 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:28:12,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 1.8070175438596492) internal successors, (103), 56 states have internal predecessors, (103), 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) [2024-04-07 03:28:12,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:12,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:12,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:28:12,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:28:12,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:28:12,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:28:12,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:28:12,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:28:12,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:28:12,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:28:12,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:28:12,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:12,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:28:12,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:28:12,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:12,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:28:12,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:28:12,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:28:12,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2024-04-07 03:28:12,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:28:12,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:28:23,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:23,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:23,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:28:23,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:28:23,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:28:23,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:28:23,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:28:23,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:28:23,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:28:23,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:28:23,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:28:23,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:23,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:28:23,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:28:23,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:23,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:28:23,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:28:23,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:28:23,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-04-07 03:28:23,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:28:23,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-04-07 03:28:23,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-04-07 03:28:23,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:28:23,713 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:28:23,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:28:23,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1616707204, now seen corresponding path program 11 times [2024-04-07 03:28:23,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:28:23,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279162958] [2024-04-07 03:28:23,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:28:23,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:28:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:28:23,840 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:28:23,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:28:23,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279162958] [2024-04-07 03:28:23,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279162958] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:28:23,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184825614] [2024-04-07 03:28:23,841 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-07 03:28:23,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:28:23,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:28:23,842 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) [2024-04-07 03:28:23,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-04-07 03:28:23,912 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-04-07 03:28:23,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:28:23,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-07 03:28:23,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:28:23,972 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 03:28:23,972 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:28:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 03:28:24,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184825614] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:28:24,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:28:24,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 11 [2024-04-07 03:28:24,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372382587] [2024-04-07 03:28:24,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:28:24,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-04-07 03:28:24,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:28:24,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-04-07 03:28:24,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-04-07 03:28:24,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:28:24,051 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:28:24,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 11 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-07 03:28:24,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:24,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:24,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:28:24,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:28:24,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:28:24,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:28:24,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:28:24,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:28:24,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:28:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:28:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:28:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:28:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:28:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:28:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:28:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:28:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2024-04-07 03:28:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:28:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-04-07 03:28:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:28:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:28:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:28:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:28:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:28:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:28:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:28:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:28:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:28:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:28:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:28:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:28:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:28:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:28:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:28:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-04-07 03:28:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:28:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2024-04-07 03:28:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-07 03:28:25,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-04-07 03:28:25,731 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,SelfDestructingSolverStorable35 [2024-04-07 03:28:25,731 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:28:25,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:28:25,731 INFO L85 PathProgramCache]: Analyzing trace with hash 169787880, now seen corresponding path program 12 times [2024-04-07 03:28:25,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:28:25,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323422435] [2024-04-07 03:28:25,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:28:25,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:28:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:28:25,800 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 03:28:25,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:28:25,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323422435] [2024-04-07 03:28:25,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323422435] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:28:25,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659629107] [2024-04-07 03:28:25,801 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-07 03:28:25,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:28:25,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:28:25,802 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) [2024-04-07 03:28:25,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-04-07 03:28:25,861 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-04-07 03:28:25,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:28:25,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-07 03:28:25,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:28:25,917 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-07 03:28:25,917 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:28:25,989 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-07 03:28:25,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659629107] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:28:25,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:28:25,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 7 [2024-04-07 03:28:25,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048124763] [2024-04-07 03:28:25,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:28:25,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-07 03:28:25,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:28:25,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-07 03:28:25,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-04-07 03:28:25,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:28:25,991 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:28:25,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 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) [2024-04-07 03:28:25,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:25,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:25,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:28:25,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:28:25,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:28:25,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:28:25,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:28:25,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:28:25,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:28:25,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:28:25,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:28:25,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:25,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:28:25,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:28:25,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:25,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:28:25,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:28:25,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:28:25,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-04-07 03:28:25,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:28:25,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2024-04-07 03:28:25,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-07 03:28:25,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:28:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:28:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:28:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:28:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:28:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:28:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:28:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:28:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:28:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:28:26,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:26,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:28:26,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:28:26,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:26,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:28:26,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:28:26,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:28:26,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-04-07 03:28:26,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:28:26,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:28:26,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-07 03:28:26,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:28:26,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-04-07 03:28:26,700 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,SelfDestructingSolverStorable36 [2024-04-07 03:28:26,701 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:28:26,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:28:26,701 INFO L85 PathProgramCache]: Analyzing trace with hash -430957815, now seen corresponding path program 13 times [2024-04-07 03:28:26,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:28:26,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599776003] [2024-04-07 03:28:26,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:28:26,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:28:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:28:27,714 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 03:28:27,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:28:27,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599776003] [2024-04-07 03:28:27,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599776003] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:28:27,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896448412] [2024-04-07 03:28:27,715 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-07 03:28:27,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:28:27,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:28:27,716 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) [2024-04-07 03:28:27,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-04-07 03:28:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:28:27,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 89 conjunts are in the unsatisfiable core [2024-04-07 03:28:27,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:28:29,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 21 [2024-04-07 03:28:29,144 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:28:29,145 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:28:30,644 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:28:30,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 67 treesize of output 368 [2024-04-07 03:28:32,850 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:28:32,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896448412] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:28:32,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:28:32,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28, 28] total 79 [2024-04-07 03:28:32,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571939000] [2024-04-07 03:28:32,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:28:32,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-04-07 03:28:32,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:28:32,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-04-07 03:28:32,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=596, Invalid=5724, Unknown=0, NotChecked=0, Total=6320 [2024-04-07 03:28:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:28:32,854 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:28:32,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 1.5875) internal successors, (127), 79 states have internal predecessors, (127), 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) [2024-04-07 03:28:32,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:32,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:32,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:28:32,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:28:32,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:28:32,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:28:32,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:28:32,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:28:32,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:28:32,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:28:32,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:28:32,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:32,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:28:32,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:28:32,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:28:32,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:28:32,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:28:32,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:28:32,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-04-07 03:28:32,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:28:32,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:28:32,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-07 03:28:32,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:28:32,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:29:02,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:29:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:29:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:29:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:29:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:29:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:29:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:29:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:29:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:29:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:29:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:29:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:29:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:29:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:29:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:29:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:29:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:29:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:29:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2024-04-07 03:29:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:29:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:29:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-07 03:29:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:29:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2024-04-07 03:29:02,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-04-07 03:29:02,304 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,SelfDestructingSolverStorable37 [2024-04-07 03:29:02,304 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:29:02,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:29:02,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1413823957, now seen corresponding path program 14 times [2024-04-07 03:29:02,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:29:02,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830271499] [2024-04-07 03:29:02,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:29:02,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:29:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:29:03,037 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:29:03,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:29:03,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830271499] [2024-04-07 03:29:03,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830271499] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:29:03,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595608722] [2024-04-07 03:29:03,038 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-07 03:29:03,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:29:03,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:29:03,039 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) [2024-04-07 03:29:03,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-04-07 03:29:03,104 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-07 03:29:03,105 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:29:03,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 79 conjunts are in the unsatisfiable core [2024-04-07 03:29:03,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:29:04,205 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:29:04,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 59 [2024-04-07 03:29:04,342 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:29:04,342 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:29:05,303 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:29:05,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 47 treesize of output 168 [2024-04-07 03:29:05,632 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:29:05,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595608722] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:29:05,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:29:05,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 69 [2024-04-07 03:29:05,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983734268] [2024-04-07 03:29:05,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:29:05,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-04-07 03:29:05,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:29:05,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-04-07 03:29:05,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=447, Invalid=4383, Unknown=0, NotChecked=0, Total=4830 [2024-04-07 03:29:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:29:05,634 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:29:05,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 1.5857142857142856) internal successors, (111), 69 states have internal predecessors, (111), 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) [2024-04-07 03:29:05,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2024-04-07 03:29:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:29:31,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:29:31,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:29:31,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:29:31,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:29:31,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:29:31,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:29:31,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:29:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:29:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:29:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:29:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:29:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:29:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:29:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:29:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:29:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:29:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:29:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:29:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2024-04-07 03:29:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:29:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:29:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-07 03:29:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:29:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 275 states. [2024-04-07 03:29:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2024-04-07 03:29:31,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-04-07 03:29:31,283 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,SelfDestructingSolverStorable38 [2024-04-07 03:29:31,283 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:29:31,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:29:31,283 INFO L85 PathProgramCache]: Analyzing trace with hash -2084154161, now seen corresponding path program 15 times [2024-04-07 03:29:31,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:29:31,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042526096] [2024-04-07 03:29:31,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:29:31,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:29:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:29:32,601 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-07 03:29:32,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:29:32,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042526096] [2024-04-07 03:29:32,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042526096] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:29:32,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250446773] [2024-04-07 03:29:32,601 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-07 03:29:32,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:29:32,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:29:32,602 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) [2024-04-07 03:29:32,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-04-07 03:29:32,680 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-07 03:29:32,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:29:32,682 WARN L260 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 115 conjunts are in the unsatisfiable core [2024-04-07 03:29:32,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:29:35,420 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:29:35,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 28 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 77 case distinctions, treesize of input 69 treesize of output 473 [2024-04-07 03:29:37,652 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:29:37,652 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:29:38,204 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:29:38,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 18 [2024-04-07 03:29:38,231 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-04-07 03:29:38,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250446773] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:29:38,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:29:38,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 38, 22] total 72 [2024-04-07 03:29:38,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688865318] [2024-04-07 03:29:38,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:29:38,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-04-07 03:29:38,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:29:38,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-04-07 03:29:38,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=340, Invalid=4916, Unknown=0, NotChecked=0, Total=5256 [2024-04-07 03:29:38,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:29:38,233 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:29:38,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 1.6164383561643836) internal successors, (118), 72 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) [2024-04-07 03:29:38,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:29:38,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:29:38,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:29:38,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:29:38,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:29:38,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:29:38,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:29:38,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:29:38,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:29:38,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:29:38,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:29:38,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:29:38,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:29:38,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:29:38,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:29:38,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:29:38,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:29:38,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:29:38,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2024-04-07 03:29:38,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:29:38,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:29:38,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-07 03:29:38,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:29:38,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 275 states. [2024-04-07 03:29:38,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2024-04-07 03:29:38,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:30:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:30:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:30:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:30:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:30:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:30:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:30:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:30:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:30:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:30:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:30:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:30:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:30:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:30:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:30:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:30:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:30:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:30:02,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:30:02,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2024-04-07 03:30:02,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:30:02,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:30:02,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-07 03:30:02,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:30:02,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2024-04-07 03:30:02,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 270 states. [2024-04-07 03:30:02,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-07 03:30:02,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-04-07 03:30:03,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:30:03,066 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:30:03,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:30:03,066 INFO L85 PathProgramCache]: Analyzing trace with hash 233792327, now seen corresponding path program 16 times [2024-04-07 03:30:03,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:30:03,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964177632] [2024-04-07 03:30:03,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:30:03,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:30:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:30:04,060 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:30:04,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:30:04,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964177632] [2024-04-07 03:30:04,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964177632] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:30:04,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160883805] [2024-04-07 03:30:04,060 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-07 03:30:04,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:30:04,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:30:04,061 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) [2024-04-07 03:30:04,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-04-07 03:30:04,125 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-07 03:30:04,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:30:04,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 89 conjunts are in the unsatisfiable core [2024-04-07 03:30:04,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:30:05,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 21 [2024-04-07 03:30:05,671 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:30:05,671 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:30:07,203 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:30:07,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 67 treesize of output 368 [2024-04-07 03:30:09,056 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:30:09,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160883805] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:30:09,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:30:09,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28, 28] total 79 [2024-04-07 03:30:09,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187013517] [2024-04-07 03:30:09,056 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:30:09,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-04-07 03:30:09,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:30:09,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-04-07 03:30:09,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=493, Invalid=5827, Unknown=0, NotChecked=0, Total=6320 [2024-04-07 03:30:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:30:09,059 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:30:09,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 1.5875) internal successors, (127), 79 states have internal predecessors, (127), 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) [2024-04-07 03:30:09,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:30:09,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:30:09,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:30:09,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:30:09,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:30:09,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:30:09,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:30:09,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:30:09,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:30:09,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:30:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:30:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:30:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:30:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:30:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:30:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:30:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:30:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:30:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2024-04-07 03:30:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:30:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:30:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-07 03:30:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:30:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2024-04-07 03:30:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 270 states. [2024-04-07 03:30:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-07 03:30:09,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:30:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:30:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:30:48,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:30:48,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:30:48,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:30:48,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:30:48,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:30:48,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:30:48,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:30:48,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:30:48,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:30:48,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:30:48,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:30:48,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:30:48,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:30:48,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:30:48,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:30:48,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:30:48,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2024-04-07 03:30:48,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:30:48,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:30:48,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-07 03:30:48,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:30:48,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2024-04-07 03:30:48,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 270 states. [2024-04-07 03:30:48,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-07 03:30:48,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 330 states. [2024-04-07 03:30:48,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-04-07 03:30:48,864 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,SelfDestructingSolverStorable40 [2024-04-07 03:30:48,864 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:30:48,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:30:48,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1100940678, now seen corresponding path program 17 times [2024-04-07 03:30:48,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:30:48,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091210774] [2024-04-07 03:30:48,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:30:48,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:30:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:30:49,006 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 16 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:30:49,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:30:49,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091210774] [2024-04-07 03:30:49,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091210774] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:30:49,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623346304] [2024-04-07 03:30:49,007 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-07 03:30:49,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:30:49,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:30:49,008 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) [2024-04-07 03:30:49,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-04-07 03:30:49,082 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-04-07 03:30:49,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:30:49,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-07 03:30:49,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:30:49,153 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 17 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 03:30:49,153 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:30:49,265 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 17 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 03:30:49,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623346304] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:30:49,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:30:49,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 13 [2024-04-07 03:30:49,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927363167] [2024-04-07 03:30:49,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:30:49,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-07 03:30:49,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:30:49,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-07 03:30:49,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-04-07 03:30:49,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:30:49,267 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:30:49,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 13 states have internal predecessors, (67), 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) [2024-04-07 03:30:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:30:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:30:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:30:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:30:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:30:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:30:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:30:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:30:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:30:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:30:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:30:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:30:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:30:49,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:30:49,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:30:49,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:30:49,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:30:49,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:30:49,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2024-04-07 03:30:49,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:30:49,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:30:49,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-07 03:30:49,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:30:49,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2024-04-07 03:30:49,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 270 states. [2024-04-07 03:30:49,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-07 03:30:49,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 330 states. [2024-04-07 03:30:49,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:30:53,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:30:53,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:30:53,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:30:53,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:30:53,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 284 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 270 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 354 states. [2024-04-07 03:30:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-07 03:30:53,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-04-07 03:30:53,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:30:53,328 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:30:53,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:30:53,329 INFO L85 PathProgramCache]: Analyzing trace with hash 733988491, now seen corresponding path program 18 times [2024-04-07 03:30:53,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:30:53,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361337745] [2024-04-07 03:30:53,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:30:53,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:30:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:30:54,949 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 03:30:54,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:30:54,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361337745] [2024-04-07 03:30:54,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361337745] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:30:54,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788247656] [2024-04-07 03:30:54,949 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-07 03:30:54,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:30:54,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:30:54,950 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) [2024-04-07 03:30:54,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-04-07 03:30:55,002 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-04-07 03:30:55,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:30:55,004 WARN L260 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 115 conjunts are in the unsatisfiable core [2024-04-07 03:30:55,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:30:57,272 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:30:57,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 17 case distinctions, treesize of input 59 treesize of output 153 [2024-04-07 03:30:57,496 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:30:57,496 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:30:59,331 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:30:59,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 67 treesize of output 368 [2024-04-07 03:31:01,510 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-07 03:31:01,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788247656] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:31:01,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:31:01,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 38, 34] total 92 [2024-04-07 03:31:01,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829928926] [2024-04-07 03:31:01,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:31:01,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-04-07 03:31:01,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:31:01,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-04-07 03:31:01,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=698, Invalid=7858, Unknown=0, NotChecked=0, Total=8556 [2024-04-07 03:31:01,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:31:01,514 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:31:01,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 1.4731182795698925) internal successors, (137), 92 states have internal predecessors, (137), 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) [2024-04-07 03:31:01,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:31:01,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:31:01,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:31:01,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:31:01,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:31:01,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:31:01,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:31:01,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:31:01,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:31:01,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:31:01,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:31:01,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:31:01,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:31:01,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:31:01,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:31:01,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:31:01,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:31:01,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:31:01,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2024-04-07 03:31:01,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:31:01,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:31:01,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-07 03:31:01,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:31:01,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 284 states. [2024-04-07 03:31:01,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 270 states. [2024-04-07 03:31:01,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-07 03:31:01,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 354 states. [2024-04-07 03:31:01,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-07 03:31:01,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:31:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:31:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:31:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:31:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:31:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:31:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:31:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:31:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:31:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:31:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:31:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:31:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:31:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:31:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:31:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:31:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:31:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:31:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:31:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2024-04-07 03:31:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:31:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:31:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-07 03:31:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:31:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 286 states. [2024-04-07 03:31:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2024-04-07 03:31:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-07 03:31:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 359 states. [2024-04-07 03:31:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-07 03:31:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 398 states. [2024-04-07 03:31:57,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-04-07 03:31:57,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:31:57,971 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:31:57,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:31:57,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1784987607, now seen corresponding path program 19 times [2024-04-07 03:31:57,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:31:57,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097312682] [2024-04-07 03:31:57,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:31:57,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:31:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:31:59,118 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:31:59,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:31:59,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097312682] [2024-04-07 03:31:59,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097312682] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:31:59,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128360604] [2024-04-07 03:31:59,119 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-07 03:31:59,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:31:59,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:31:59,121 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) [2024-04-07 03:31:59,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-04-07 03:31:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:31:59,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 101 conjunts are in the unsatisfiable core [2024-04-07 03:31:59,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:32:00,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 23 [2024-04-07 03:32:01,035 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:32:01,035 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:32:03,093 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:32:03,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 77 treesize of output 498 [2024-04-07 03:32:08,696 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:32:08,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128360604] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:32:08,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:32:08,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 90 [2024-04-07 03:32:08,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105643244] [2024-04-07 03:32:08,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:32:08,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-04-07 03:32:08,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:32:08,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-04-07 03:32:08,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=646, Invalid=7544, Unknown=0, NotChecked=0, Total=8190 [2024-04-07 03:32:08,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:32:08,698 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:32:08,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 1.5274725274725274) internal successors, (139), 90 states have internal predecessors, (139), 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) [2024-04-07 03:32:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:32:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:32:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:32:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:32:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:32:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:32:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:32:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:32:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:32:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:32:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:32:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:32:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:32:08,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:32:08,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:32:08,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:32:08,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:32:08,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:32:08,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2024-04-07 03:32:08,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:32:08,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:32:08,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-07 03:32:08,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:32:08,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 286 states. [2024-04-07 03:32:08,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2024-04-07 03:32:08,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-07 03:32:08,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 359 states. [2024-04-07 03:32:08,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-07 03:32:08,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 398 states. [2024-04-07 03:32:08,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:33:16,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:33:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:33:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:33:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:33:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:33:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:33:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:33:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:33:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:33:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:33:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:33:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:33:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:33:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:33:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:33:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:33:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:33:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:33:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2024-04-07 03:33:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:33:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:33:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-07 03:33:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:33:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 286 states. [2024-04-07 03:33:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2024-04-07 03:33:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-07 03:33:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 359 states. [2024-04-07 03:33:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-07 03:33:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 399 states. [2024-04-07 03:33:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 443 states. [2024-04-07 03:33:16,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-04-07 03:33:16,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:33:16,890 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:33:16,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:33:16,891 INFO L85 PathProgramCache]: Analyzing trace with hash -31207338, now seen corresponding path program 20 times [2024-04-07 03:33:16,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:33:16,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252826511] [2024-04-07 03:33:16,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:33:16,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:33:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:33:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 42 proven. 38 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-07 03:33:17,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:33:17,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252826511] [2024-04-07 03:33:17,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252826511] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:33:17,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355295957] [2024-04-07 03:33:17,016 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-07 03:33:17,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:33:17,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:33:17,018 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) [2024-04-07 03:33:17,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-04-07 03:33:17,094 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-07 03:33:17,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:33:17,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-07 03:33:17,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:33:17,172 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 42 proven. 38 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-07 03:33:17,172 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:33:17,299 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 42 proven. 38 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-07 03:33:17,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355295957] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:33:17,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:33:17,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 9 [2024-04-07 03:33:17,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626979770] [2024-04-07 03:33:17,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:33:17,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-07 03:33:17,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:33:17,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-07 03:33:17,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-07 03:33:17,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:33:17,301 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:33:17,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-07 03:33:17,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:33:17,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:33:17,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:33:17,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:33:17,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:33:17,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:33:17,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:33:17,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:33:17,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:33:17,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:33:17,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2024-04-07 03:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-07 03:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 286 states. [2024-04-07 03:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2024-04-07 03:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-07 03:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 359 states. [2024-04-07 03:33:17,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-07 03:33:17,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 399 states. [2024-04-07 03:33:17,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 443 states. [2024-04-07 03:33:17,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:33:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:33:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:33:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:33:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:33:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:33:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:33:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:33:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:33:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:33:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:33:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:33:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:33:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:33:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:33:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:33:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:33:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:33:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:33:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2024-04-07 03:33:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:33:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:33:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-07 03:33:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:33:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 286 states. [2024-04-07 03:33:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2024-04-07 03:33:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-07 03:33:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 359 states. [2024-04-07 03:33:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-07 03:33:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 400 states. [2024-04-07 03:33:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 447 states. [2024-04-07 03:33:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-07 03:33:18,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-04-07 03:33:19,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:33:19,123 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:33:19,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:33:19,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1869977901, now seen corresponding path program 21 times [2024-04-07 03:33:19,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:33:19,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631233389] [2024-04-07 03:33:19,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:33:19,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:33:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:33:20,641 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-07 03:33:20,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:33:20,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631233389] [2024-04-07 03:33:20,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631233389] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:33:20,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476046792] [2024-04-07 03:33:20,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-07 03:33:20,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:33:20,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:33:20,643 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) [2024-04-07 03:33:20,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-04-07 03:33:20,695 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-04-07 03:33:20,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:33:20,697 WARN L260 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 127 conjunts are in the unsatisfiable core [2024-04-07 03:33:20,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:33:24,170 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:33:24,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 36 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 100 case distinctions, treesize of input 77 treesize of output 603 [2024-04-07 03:33:30,588 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:33:30,588 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:33:31,513 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:33:31,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 18 [2024-04-07 03:33:31,540 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-04-07 03:33:31,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476046792] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:33:31,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:33:31,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 42, 28] total 84 [2024-04-07 03:33:31,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467723757] [2024-04-07 03:33:31,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:33:31,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-04-07 03:33:31,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:33:31,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-04-07 03:33:31,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=6757, Unknown=0, NotChecked=0, Total=7140 [2024-04-07 03:33:31,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:33:31,542 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:33:31,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 1.576470588235294) internal successors, (134), 84 states have internal predecessors, (134), 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) [2024-04-07 03:33:31,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:33:31,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:33:31,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:33:31,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:33:31,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:33:31,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:33:31,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:33:31,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:33:31,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:33:31,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:33:31,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:33:31,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:33:31,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:33:31,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:33:31,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:33:31,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:33:31,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:33:31,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:33:31,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2024-04-07 03:33:31,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:33:31,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:33:31,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-07 03:33:31,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:33:31,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 286 states. [2024-04-07 03:33:31,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2024-04-07 03:33:31,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-07 03:33:31,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 359 states. [2024-04-07 03:33:31,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-07 03:33:31,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 400 states. [2024-04-07 03:33:31,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 447 states. [2024-04-07 03:33:31,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-07 03:33:31,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:34:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:34:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:34:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:34:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:34:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:34:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:34:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:34:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:34:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:34:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:34:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:34:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:34:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:34:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:34:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:34:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:34:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:34:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:34:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2024-04-07 03:34:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:34:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:34:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-07 03:34:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:34:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 286 states. [2024-04-07 03:34:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2024-04-07 03:34:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-07 03:34:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 363 states. [2024-04-07 03:34:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-07 03:34:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2024-04-07 03:34:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 469 states. [2024-04-07 03:34:05,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-07 03:34:05,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2024-04-07 03:34:05,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-04-07 03:34:05,703 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,SelfDestructingSolverStorable45 [2024-04-07 03:34:05,703 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:34:05,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:34:05,704 INFO L85 PathProgramCache]: Analyzing trace with hash -391252151, now seen corresponding path program 22 times [2024-04-07 03:34:05,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:34:05,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589529643] [2024-04-07 03:34:05,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:34:05,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:34:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:34:07,161 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:34:07,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:34:07,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589529643] [2024-04-07 03:34:07,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589529643] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:34:07,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117138382] [2024-04-07 03:34:07,161 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-07 03:34:07,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:34:07,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:34:07,162 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) [2024-04-07 03:34:07,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-04-07 03:34:07,230 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-07 03:34:07,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:34:07,232 WARN L260 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 113 conjunts are in the unsatisfiable core [2024-04-07 03:34:07,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:34:09,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2024-04-07 03:34:09,472 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:34:09,472 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:34:12,393 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:34:12,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 87 treesize of output 648 [2024-04-07 03:34:19,851 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:34:19,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117138382] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:34:19,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:34:19,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 36, 36] total 101 [2024-04-07 03:34:19,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254085230] [2024-04-07 03:34:19,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:34:19,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-04-07 03:34:19,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:34:19,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-04-07 03:34:19,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=723, Invalid=9579, Unknown=0, NotChecked=0, Total=10302 [2024-04-07 03:34:19,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:34:19,854 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:34:19,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 1.4803921568627452) internal successors, (151), 101 states have internal predecessors, (151), 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) [2024-04-07 03:34:19,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:34:19,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:34:19,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:34:19,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:34:19,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:34:19,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:34:19,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:34:19,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:34:19,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:34:19,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:34:19,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:34:19,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:34:19,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:34:19,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:34:19,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:34:19,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:34:19,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:34:19,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:34:19,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2024-04-07 03:34:19,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:34:19,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:34:19,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-07 03:34:19,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:34:19,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 286 states. [2024-04-07 03:34:19,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2024-04-07 03:34:19,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-07 03:34:19,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 363 states. [2024-04-07 03:34:19,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-07 03:34:19,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2024-04-07 03:34:19,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 469 states. [2024-04-07 03:34:19,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-07 03:34:19,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2024-04-07 03:34:19,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:35:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:35:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:35:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:35:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:35:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:35:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:35:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:35:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:35:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:35:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2024-04-07 03:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-07 03:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 286 states. [2024-04-07 03:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2024-04-07 03:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-07 03:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 363 states. [2024-04-07 03:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-07 03:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2024-04-07 03:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 469 states. [2024-04-07 03:35:53,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-07 03:35:53,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2024-04-07 03:35:53,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 541 states. [2024-04-07 03:35:53,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-04-07 03:35:53,208 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,SelfDestructingSolverStorable46 [2024-04-07 03:35:53,208 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:35:53,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:35:53,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1728618760, now seen corresponding path program 23 times [2024-04-07 03:35:53,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:35:53,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534451112] [2024-04-07 03:35:53,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:35:53,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:35:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:35:53,362 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 25 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:35:53,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:35:53,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534451112] [2024-04-07 03:35:53,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534451112] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:35:53,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627106973] [2024-04-07 03:35:53,362 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-07 03:35:53,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:35:53,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:35:53,367 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) [2024-04-07 03:35:53,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-04-07 03:35:53,450 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-04-07 03:35:53,450 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:35:53,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 20 conjunts are in the unsatisfiable core [2024-04-07 03:35:53,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:35:53,518 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 26 proven. 86 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 03:35:53,518 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:35:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 26 proven. 86 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 03:35:53,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627106973] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:35:53,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:35:53,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 15 [2024-04-07 03:35:53,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122047602] [2024-04-07 03:35:53,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:35:53,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-07 03:35:53,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:35:53,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-07 03:35:53,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-04-07 03:35:53,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:35:53,638 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:35:53,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.6875) internal successors, (75), 15 states have internal predecessors, (75), 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) [2024-04-07 03:35:53,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:35:53,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:35:53,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:35:53,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:35:53,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:35:53,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:35:53,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:35:53,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:35:53,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:35:53,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:35:53,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:35:53,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:35:53,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:35:53,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2024-04-07 03:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-07 03:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 286 states. [2024-04-07 03:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2024-04-07 03:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-07 03:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 363 states. [2024-04-07 03:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-07 03:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2024-04-07 03:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 469 states. [2024-04-07 03:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-07 03:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2024-04-07 03:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 541 states. [2024-04-07 03:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:35:58,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:35:58,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:35:58,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:35:58,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:35:58,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 286 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-07 03:35:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 363 states. [2024-04-07 03:35:58,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-07 03:35:58,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 412 states. [2024-04-07 03:35:58,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 472 states. [2024-04-07 03:35:58,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-07 03:35:58,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2024-04-07 03:35:58,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 563 states. [2024-04-07 03:35:58,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-07 03:35:58,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-04-07 03:35:58,527 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,SelfDestructingSolverStorable47 [2024-04-07 03:35:58,528 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:35:58,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:35:58,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1116874381, now seen corresponding path program 24 times [2024-04-07 03:35:58,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:35:58,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615650749] [2024-04-07 03:35:58,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:35:58,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:35:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:36:00,417 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 151 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 03:36:00,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:36:00,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615650749] [2024-04-07 03:36:00,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615650749] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:36:00,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468848717] [2024-04-07 03:36:00,418 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-07 03:36:00,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:36:00,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:36:00,419 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) [2024-04-07 03:36:00,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-04-07 03:36:00,475 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-04-07 03:36:00,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 03:36:00,477 WARN L260 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 139 conjunts are in the unsatisfiable core [2024-04-07 03:36:00,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:36:03,877 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:36:03,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 45 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 33 case distinctions, treesize of input 73 treesize of output 269 [2024-04-07 03:36:04,364 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:36:04,364 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:36:07,133 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:36:07,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 77 treesize of output 498 [2024-04-07 03:36:12,142 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-07 03:36:12,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468848717] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 03:36:12,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 03:36:12,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 46, 38] total 108 [2024-04-07 03:36:12,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122435313] [2024-04-07 03:36:12,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 03:36:12,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2024-04-07 03:36:12,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 03:36:12,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2024-04-07 03:36:12,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=900, Invalid=10872, Unknown=0, NotChecked=0, Total=11772 [2024-04-07 03:36:12,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:36:12,146 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 03:36:12,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 1.4036697247706422) internal successors, (153), 108 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) [2024-04-07 03:36:12,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:36:12,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:36:12,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:36:12,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:36:12,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:36:12,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:36:12,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:36:12,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:36:12,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:36:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:36:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:36:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:36:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:36:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:36:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:36:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:36:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:36:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:36:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2024-04-07 03:36:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:36:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:36:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-07 03:36:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:36:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 286 states. [2024-04-07 03:36:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2024-04-07 03:36:12,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-07 03:36:12,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 363 states. [2024-04-07 03:36:12,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-07 03:36:12,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 412 states. [2024-04-07 03:36:12,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 472 states. [2024-04-07 03:36:12,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-07 03:36:12,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2024-04-07 03:36:12,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 563 states. [2024-04-07 03:36:12,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-07 03:36:12,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 03:38:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:38:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:38:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 03:38:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:38:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:38:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 03:38:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 03:38:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 03:38:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 03:38:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 286 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 363 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 418 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 475 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2024-04-07 03:38:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 578 states. [2024-04-07 03:38:01,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-07 03:38:01,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 582 states. [2024-04-07 03:38:01,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-04-07 03:38:01,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,34 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:38:01,456 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 03:38:01,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 03:38:01,457 INFO L85 PathProgramCache]: Analyzing trace with hash 354014809, now seen corresponding path program 25 times [2024-04-07 03:38:01,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 03:38:01,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442536312] [2024-04-07 03:38:01,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 03:38:01,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 03:38:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:38:03,004 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:38:03,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 03:38:03,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442536312] [2024-04-07 03:38:03,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442536312] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 03:38:03,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811745935] [2024-04-07 03:38:03,005 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-07 03:38:03,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 03:38:03,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 03:38:03,007 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) [2024-04-07 03:38:03,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-04-07 03:38:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 03:38:03,076 WARN L260 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 125 conjunts are in the unsatisfiable core [2024-04-07 03:38:03,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 03:38:05,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 27 [2024-04-07 03:38:05,789 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 03:38:05,790 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 03:38:09,663 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 03:38:09,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 97 treesize of output 818 Received shutdown request... [2024-04-07 03:38:09,905 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (10 of 11 remaining) [2024-04-07 03:38:09,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-04-07 03:38:09,932 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-07 03:38:09,932 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-07 03:38:09,932 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-07 03:38:10,111 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,SelfDestructingSolverStorable49 [2024-04-07 03:38:10,111 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 62 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-81-8-2-1 context. [2024-04-07 03:38:10,113 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 11 remaining) [2024-04-07 03:38:10,113 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 11 remaining) [2024-04-07 03:38:10,114 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 11 remaining) [2024-04-07 03:38:10,114 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 11 remaining) [2024-04-07 03:38:10,114 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 11 remaining) [2024-04-07 03:38:10,114 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 11 remaining) [2024-04-07 03:38:10,114 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 11 remaining) [2024-04-07 03:38:10,114 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 11 remaining) [2024-04-07 03:38:10,115 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Thread1of1ForFork4Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 11 remaining) [2024-04-07 03:38:10,115 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Thread1of1ForFork4Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 11 remaining) [2024-04-07 03:38:10,120 INFO L445 BasicCegarLoop]: Path program histogram: [25, 5, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-07 03:38:10,124 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-07 03:38:10,124 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-07 03:38:10,126 INFO L201 PluginConnector]: Adding new model parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.04 03:38:10 BasicIcfg [2024-04-07 03:38:10,126 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-07 03:38:10,127 INFO L158 Benchmark]: Toolchain (without parser) took 797497.56ms. Allocated memory was 246.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 217.7MB in the beginning and 822.1MB in the end (delta: -604.4MB). Peak memory consumption was 684.9MB. Max. memory is 8.0GB. [2024-04-07 03:38:10,127 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.28ms. Allocated memory is still 153.1MB. Free memory was 117.6MB in the beginning and 117.5MB in the end (delta: 153.9kB). There was no memory consumed. Max. memory is 8.0GB. [2024-04-07 03:38:10,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.07ms. Allocated memory is still 246.4MB. Free memory was 217.2MB in the beginning and 215.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-07 03:38:10,128 INFO L158 Benchmark]: Boogie Preprocessor took 27.91ms. Allocated memory is still 246.4MB. Free memory was 215.6MB in the beginning and 214.4MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-07 03:38:10,128 INFO L158 Benchmark]: RCFGBuilder took 282.78ms. Allocated memory is still 246.4MB. Free memory was 214.4MB in the beginning and 202.5MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-07 03:38:10,129 INFO L158 Benchmark]: TraceAbstraction took 797132.24ms. Allocated memory was 246.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 201.3MB in the beginning and 822.1MB in the end (delta: -620.8MB). Peak memory consumption was 669.2MB. Max. memory is 8.0GB. [2024-04-07 03:38:10,130 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.28ms. Allocated memory is still 153.1MB. Free memory was 117.6MB in the beginning and 117.5MB in the end (delta: 153.9kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.07ms. Allocated memory is still 246.4MB. Free memory was 217.2MB in the beginning and 215.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.91ms. Allocated memory is still 246.4MB. Free memory was 215.6MB in the beginning and 214.4MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 282.78ms. Allocated memory is still 246.4MB. Free memory was 214.4MB in the beginning and 202.5MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 797132.24ms. Allocated memory was 246.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 201.3MB in the beginning and 822.1MB in the end (delta: -620.8MB). Peak memory consumption was 669.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1266001, independent: 1023254, independent conditional: 1023060, independent unconditional: 194, dependent: 242747, dependent conditional: 242674, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1030730, independent: 1023254, independent conditional: 1023060, independent unconditional: 194, dependent: 7476, dependent conditional: 7464, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1030730, independent: 1023254, independent conditional: 1023060, independent unconditional: 194, dependent: 7476, dependent conditional: 7464, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1030730, independent: 1023254, independent conditional: 1023060, independent unconditional: 194, dependent: 7476, dependent conditional: 7464, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1109892, independent: 1023254, independent conditional: 62124, independent unconditional: 961130, dependent: 86638, dependent conditional: 75318, dependent unconditional: 11320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1109892, independent: 1023254, independent conditional: 43180, independent unconditional: 980074, dependent: 86638, dependent conditional: 74672, dependent unconditional: 11966, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1109892, independent: 1023254, independent conditional: 43180, independent unconditional: 980074, dependent: 86638, dependent conditional: 74672, dependent unconditional: 11966, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 930, independent: 322, independent conditional: 6, independent unconditional: 316, dependent: 608, dependent conditional: 604, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 930, independent: 322, independent conditional: 0, independent unconditional: 322, dependent: 608, dependent conditional: 0, dependent unconditional: 608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 608, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 608, dependent conditional: 604, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 608, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 608, dependent conditional: 604, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1468, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1468, dependent conditional: 1377, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1109892, independent: 1022932, independent conditional: 43174, independent unconditional: 979758, dependent: 86030, dependent conditional: 74068, dependent unconditional: 11962, unknown: 930, unknown conditional: 610, unknown unconditional: 320] , Statistics on independence cache: Total cache size (in pairs): 930, Positive cache size: 322, Positive conditional cache size: 6, Positive unconditional cache size: 316, Negative cache size: 608, Negative conditional cache size: 604, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 19590, Maximal queried relation: 35, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1109892, independent: 1023254, independent conditional: 62124, independent unconditional: 961130, dependent: 86638, dependent conditional: 75318, dependent unconditional: 11320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1109892, independent: 1023254, independent conditional: 43180, independent unconditional: 980074, dependent: 86638, dependent conditional: 74672, dependent unconditional: 11966, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1109892, independent: 1023254, independent conditional: 43180, independent unconditional: 980074, dependent: 86638, dependent conditional: 74672, dependent unconditional: 11966, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 930, independent: 322, independent conditional: 6, independent unconditional: 316, dependent: 608, dependent conditional: 604, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 930, independent: 322, independent conditional: 0, independent unconditional: 322, dependent: 608, dependent conditional: 0, dependent unconditional: 608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 608, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 608, dependent conditional: 604, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 608, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 608, dependent conditional: 604, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1468, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1468, dependent conditional: 1377, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1109892, independent: 1022932, independent conditional: 43174, independent unconditional: 979758, dependent: 86030, dependent conditional: 74068, dependent unconditional: 11962, unknown: 930, unknown conditional: 610, unknown unconditional: 320] , Statistics on independence cache: Total cache size (in pairs): 930, Positive cache size: 322, Positive conditional cache size: 6, Positive unconditional cache size: 316, Negative cache size: 608, Negative conditional cache size: 604, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 19590 ], Independence queries for same thread: 235271 - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 62 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-81-8-2-1 context. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 62 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-81-8-2-1 context. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 62 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-81-8-2-1 context. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 62 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-81-8-2-1 context. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 62 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-81-8-2-1 context. - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 62 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-81-8-2-1 context. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 62 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-81-8-2-1 context. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 62 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-81-8-2-1 context. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 62 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-81-8-2-1 context. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 62 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-81-8-2-1 context. - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 62 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-81-8-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 76 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 796.9s, OverallIterations: 36, TraceHistogramMax: 0, PathProgramHistogramMax: 25, EmptinessCheckTime: 652.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 5053, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 126.3s InterpolantComputationTime, 2935 NumberOfCodeBlocks, 2935 NumberOfCodeBlocksAsserted, 147 NumberOfCheckSat, 4264 ConstructedInterpolants, 21 QuantifiedInterpolants, 65080 SizeOfPredicates, 454 NumberOfNonLiveVariables, 5846 ConjunctsInSsa, 1907 ConjunctsInUnsatCore, 99 InterpolantComputations, 3 PerfectInterpolantSequences, 656/4754 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown