/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/showcase/Bakery.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-17 02:46:53,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-17 02:46:53,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-17 02:46:53,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-17 02:46:53,363 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf [2022-02-17 02:46:53,392 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-17 02:46:53,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-17 02:46:53,393 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-17 02:46:53,393 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-17 02:46:53,393 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-17 02:46:53,394 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-17 02:46:53,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-17 02:46:53,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-17 02:46:53,394 INFO L138 SettingsManager]: * Use SBE=true [2022-02-17 02:46:53,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-17 02:46:53,395 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-17 02:46:53,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-17 02:46:53,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-17 02:46:53,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-17 02:46:53,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-17 02:46:53,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-17 02:46:53,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-17 02:46:53,396 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-17 02:46:53,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-17 02:46:53,396 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-17 02:46:53,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-17 02:46:53,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-17 02:46:53,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-17 02:46:53,396 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-17 02:46:53,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-17 02:46:53,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-17 02:46:53,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-17 02:46:53,397 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-17 02:46:53,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-17 02:46:53,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-17 02:46:53,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-17 02:46:53,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-17 02:46:53,397 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-17 02:46:53,397 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-17 02:46:53,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-17 02:46:53,397 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-17 02:46:53,398 INFO L138 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-17 02:46:53,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-17 02:46:53,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-17 02:46:53,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-17 02:46:53,617 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-17 02:46:53,618 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-17 02:46:53,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/Bakery.bpl [2022-02-17 02:46:53,622 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/Bakery.bpl' [2022-02-17 02:46:53,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-17 02:46:53,640 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-17 02:46:53,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-17 02:46:53,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-17 02:46:53,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-17 02:46:53,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 02:46:53" (1/1) ... [2022-02-17 02:46:53,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 02:46:53" (1/1) ... [2022-02-17 02:46:53,660 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-17 02:46:53,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-17 02:46:53,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-17 02:46:53,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-17 02:46:53,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-17 02:46:53,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 02:46:53" (1/1) ... [2022-02-17 02:46:53,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 02:46:53" (1/1) ... [2022-02-17 02:46:53,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 02:46:53" (1/1) ... [2022-02-17 02:46:53,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 02:46:53" (1/1) ... [2022-02-17 02:46:53,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 02:46:53" (1/1) ... [2022-02-17 02:46:53,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 02:46:53" (1/1) ... [2022-02-17 02:46:53,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 02:46:53" (1/1) ... [2022-02-17 02:46:53,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-17 02:46:53,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-17 02:46:53,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-17 02:46:53,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-17 02:46:53,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 02:46:53" (1/1) ... [2022-02-17 02:46:53,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-17 02:46:53,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-17 02:46:53,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-17 02:46:53,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-17 02:46:53,751 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Process0 given in one single declaration [2022-02-17 02:46:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure Process0 [2022-02-17 02:46:53,751 INFO L138 BoogieDeclarations]: Found implementation of procedure Process0 [2022-02-17 02:46:53,751 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Process1 given in one single declaration [2022-02-17 02:46:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure Process1 [2022-02-17 02:46:53,751 INFO L138 BoogieDeclarations]: Found implementation of procedure Process1 [2022-02-17 02:46:53,751 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-17 02:46:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-17 02:46:53,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-17 02:46:53,752 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-17 02:46:53,786 INFO L234 CfgBuilder]: Building ICFG [2022-02-17 02:46:53,787 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-17 02:46:53,851 INFO L275 CfgBuilder]: Performing block encoding [2022-02-17 02:46:53,856 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-17 02:46:53,856 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-17 02:46:53,857 INFO L202 PluginConnector]: Adding new model Bakery.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 02:46:53 BoogieIcfgContainer [2022-02-17 02:46:53,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-17 02:46:53,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-17 02:46:53,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-17 02:46:53,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-17 02:46:53,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 02:46:53" (1/2) ... [2022-02-17 02:46:53,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35eacf5d and model type Bakery.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 02:46:53, skipping insertion in model container [2022-02-17 02:46:53,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Bakery.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 02:46:53" (2/2) ... [2022-02-17 02:46:53,871 INFO L111 eAbstractionObserver]: Analyzing ICFG Bakery.bpl [2022-02-17 02:46:53,875 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-17 02:46:53,875 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-17 02:46:53,875 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-17 02:46:53,875 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-17 02:46:53,928 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-17 02:46:54,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-17 02:46:54,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-17 02:46:54,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-17 02:46:54,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-17 02:46:54,085 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-17 02:46:54,098 INFO L339 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, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-17 02:46:54,098 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-02-17 02:46:54,159 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 12 transitions and produced 13 states. [2022-02-17 02:46:54,160 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting Process0Err0ASSERT_VIOLATIONASSERT === [Process0Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-17 02:46:54,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-17 02:46:54,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1550365147, now seen corresponding path program 1 times [2022-02-17 02:46:54,173 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-17 02:46:54,174 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840356840] [2022-02-17 02:46:54,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 02:46:54,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-17 02:46:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 02:46:54,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-17 02:46:54,341 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-17 02:46:54,341 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840356840] [2022-02-17 02:46:54,342 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840356840] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-17 02:46:54,342 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-17 02:46:54,342 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-17 02:46:54,343 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688083965] [2022-02-17 02:46:54,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-17 02:46:54,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-17 02:46:54,347 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-17 02:46:54,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-17 02:46:54,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-17 02:46:54,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:46:54,363 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-17 02:46:54,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-02-17 02:46:54,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:46:54,411 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 21 transitions and produced 22 states. [2022-02-17 02:46:54,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-17 02:46:54,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-17 02:46:54,412 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting Process0Err0ASSERT_VIOLATIONASSERT === [Process0Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-17 02:46:54,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-17 02:46:54,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1132746626, now seen corresponding path program 1 times [2022-02-17 02:46:54,413 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-17 02:46:54,413 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341001669] [2022-02-17 02:46:54,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 02:46:54,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-17 02:46:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 02:46:54,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-17 02:46:54,431 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-17 02:46:54,431 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341001669] [2022-02-17 02:46:54,431 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341001669] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-17 02:46:54,431 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-17 02:46:54,431 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-02-17 02:46:54,431 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366510015] [2022-02-17 02:46:54,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-17 02:46:54,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-17 02:46:54,435 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-17 02:46:54,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-17 02:46:54,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-17 02:46:54,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:46:54,437 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-17 02:46:54,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-02-17 02:46:54,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-17 02:46:54,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:46:54,778 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 231 transitions and produced 228 states. [2022-02-17 02:46:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-17 02:46:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-17 02:46:54,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-17 02:46:54,779 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting Process0Err0ASSERT_VIOLATIONASSERT === [Process0Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-17 02:46:54,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-17 02:46:54,781 INFO L85 PathProgramCache]: Analyzing trace with hash -392601910, now seen corresponding path program 1 times [2022-02-17 02:46:54,782 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-17 02:46:54,782 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337790623] [2022-02-17 02:46:54,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 02:46:54,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-17 02:46:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 02:46:54,974 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 225 proven. 2 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-02-17 02:46:54,974 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-17 02:46:54,975 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337790623] [2022-02-17 02:46:54,975 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337790623] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-17 02:46:54,975 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127273232] [2022-02-17 02:46:54,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 02:46:54,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-17 02:46:54,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-17 02:46:54,992 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-17 02:46:55,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-17 02:46:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 02:46:55,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-17 02:46:55,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-17 02:46:55,268 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 225 proven. 2 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-02-17 02:46:55,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-17 02:46:55,450 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 212 proven. 15 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-02-17 02:46:55,451 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127273232] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-17 02:46:55,451 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-17 02:46:55,451 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-02-17 02:46:55,451 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248739367] [2022-02-17 02:46:55,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-17 02:46:55,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-17 02:46:55,453 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-17 02:46:55,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-17 02:46:55,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-17 02:46:55,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:46:55,454 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-17 02:46:55,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 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) [2022-02-17 02:46:55,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-17 02:46:55,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-17 02:46:55,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:47:04,226 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 9191 transitions and produced 8073 states. [2022-02-17 02:47:04,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-17 02:47:04,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-17 02:47:04,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-17 02:47:04,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-17 02:47:04,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-17 02:47:04,447 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting Process1Err0ASSERT_VIOLATIONASSERT === [Process0Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-17 02:47:04,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-17 02:47:04,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1295970935, now seen corresponding path program 1 times [2022-02-17 02:47:04,450 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-17 02:47:04,450 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598593612] [2022-02-17 02:47:04,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 02:47:04,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-17 02:47:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 02:47:05,698 INFO L134 CoverageAnalysis]: Checked inductivity of 330177 backedges. 44666 proven. 0 refuted. 0 times theorem prover too weak. 285511 trivial. 0 not checked. [2022-02-17 02:47:05,698 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-17 02:47:05,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598593612] [2022-02-17 02:47:05,699 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598593612] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-17 02:47:05,699 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-17 02:47:05,699 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-17 02:47:05,700 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875352217] [2022-02-17 02:47:05,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-17 02:47:05,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-17 02:47:05,701 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-17 02:47:05,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-17 02:47:05,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-17 02:47:05,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:47:05,702 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-17 02:47:05,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2022-02-17 02:47:05,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-17 02:47:05,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-17 02:47:05,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-17 02:47:05,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:47:30,050 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 24435 transitions and produced 19877 states. [2022-02-17 02:47:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-17 02:47:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-17 02:47:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-17 02:47:30,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-17 02:47:30,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-17 02:47:30,052 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting Process1Err0ASSERT_VIOLATIONASSERT === [Process0Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-17 02:47:30,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-17 02:47:30,053 INFO L85 PathProgramCache]: Analyzing trace with hash -541120553, now seen corresponding path program 2 times [2022-02-17 02:47:30,054 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-17 02:47:30,054 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310036077] [2022-02-17 02:47:30,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 02:47:30,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-17 02:47:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 02:47:45,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1276072 backedges. 470328 proven. 205720 refuted. 0 times theorem prover too weak. 600024 trivial. 0 not checked. [2022-02-17 02:47:45,130 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-17 02:47:45,131 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310036077] [2022-02-17 02:47:45,131 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310036077] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-17 02:47:45,131 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014031493] [2022-02-17 02:47:45,131 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-17 02:47:45,131 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-17 02:47:45,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-17 02:47:45,133 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-17 02:47:45,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-17 02:47:46,353 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-17 02:47:46,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-17 02:47:46,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 9979 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-17 02:47:46,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-17 02:47:52,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1276072 backedges. 350578 proven. 27 refuted. 0 times theorem prover too weak. 925467 trivial. 0 not checked. [2022-02-17 02:47:52,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-17 02:47:58,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1276072 backedges. 350538 proven. 67 refuted. 0 times theorem prover too weak. 925467 trivial. 0 not checked. [2022-02-17 02:47:58,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014031493] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-17 02:47:58,241 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-17 02:47:58,243 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [210, 14, 14] total 223 [2022-02-17 02:47:58,243 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615910679] [2022-02-17 02:47:58,243 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-17 02:47:58,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 223 states [2022-02-17 02:47:58,249 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-17 02:47:58,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2022-02-17 02:47:58,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12608, Invalid=36898, Unknown=0, NotChecked=0, Total=49506 [2022-02-17 02:47:58,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:47:58,266 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-17 02:47:58,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 223 states, 223 states have (on average 5.524663677130045) internal successors, (1232), 223 states have internal predecessors, (1232), 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) [2022-02-17 02:47:58,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-17 02:47:58,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-17 02:47:58,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-17 02:47:58,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-17 02:47:58,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.