/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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/hard1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 12:05:35,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 12:05:35,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 12:05:35,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 12:05:35,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 12:05:35,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 12:05:35,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 12:05:35,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 12:05:35,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 12:05:36,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 12:05:36,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 12:05:36,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 12:05:36,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 12:05:36,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 12:05:36,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 12:05:36,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 12:05:36,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 12:05:36,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 12:05:36,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 12:05:36,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 12:05:36,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 12:05:36,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 12:05:36,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 12:05:36,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 12:05:36,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 12:05:36,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 12:05:36,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 12:05:36,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 12:05:36,027 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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-16 12:05:36,058 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 12:05:36,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 12:05:36,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 12:05:36,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 12:05:36,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 12:05:36,060 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 12:05:36,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 12:05:36,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 12:05:36,069 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 12:05:36,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 12:05:36,070 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 12:05:36,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 12:05:36,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 12:05:36,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 12:05:36,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 12:05:36,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 12:05:36,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 12:05:36,071 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 12:05:36,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 12:05:36,071 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 12:05:36,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 12:05:36,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 12:05:36,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 12:05:36,072 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 12:05:36,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 12:05:36,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 12:05:36,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 12:05:36,073 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 12:05:36,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 12:05:36,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 12:05:36,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 12:05:36,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 12:05:36,073 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 12:05:36,074 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 12:05:36,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 12:05:36,074 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 12:05:36,074 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 12:05:36,074 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 12:05:36,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 12:05:36,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 12:05:36,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 12:05:36,341 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 12:05:36,343 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 12:05:36,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/hard1.wvr.bpl [2022-03-16 12:05:36,345 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/hard1.wvr.bpl' [2022-03-16 12:05:36,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 12:05:36,379 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 12:05:36,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 12:05:36,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 12:05:36,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 12:05:36,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:05:36" (1/1) ... [2022-03-16 12:05:36,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:05:36" (1/1) ... [2022-03-16 12:05:36,414 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 12:05:36,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 12:05:36,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 12:05:36,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 12:05:36,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 12:05:36,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:05:36" (1/1) ... [2022-03-16 12:05:36,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:05:36" (1/1) ... [2022-03-16 12:05:36,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:05:36" (1/1) ... [2022-03-16 12:05:36,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:05:36" (1/1) ... [2022-03-16 12:05:36,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:05:36" (1/1) ... [2022-03-16 12:05:36,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:05:36" (1/1) ... [2022-03-16 12:05:36,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:05:36" (1/1) ... [2022-03-16 12:05:36,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 12:05:36,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 12:05:36,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 12:05:36,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 12:05:36,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:05:36" (1/1) ... [2022-03-16 12:05:36,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 12:05:36,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 12:05:36,468 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) [2022-03-16 12:05:36,470 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 [2022-03-16 12:05:36,502 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 12:05:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 12:05:36,502 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 12:05:36,502 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 12:05:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 12:05:36,503 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 12:05:36,503 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 12:05:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 12:05:36,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 12:05:36,503 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 12:05:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 12:05:36,503 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 12:05:36,504 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-16 12:05:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-16 12:05:36,504 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-16 12:05:36,505 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 12:05:36,549 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 12:05:36,550 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 12:05:36,695 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 12:05:36,713 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 12:05:36,713 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 12:05:36,715 INFO L202 PluginConnector]: Adding new model hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 12:05:36 BoogieIcfgContainer [2022-03-16 12:05:36,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 12:05:36,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 12:05:36,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 12:05:36,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 12:05:36,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:05:36" (1/2) ... [2022-03-16 12:05:36,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f76f57a and model type hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 12:05:36, skipping insertion in model container [2022-03-16 12:05:36,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 12:05:36" (2/2) ... [2022-03-16 12:05:36,737 INFO L111 eAbstractionObserver]: Analyzing ICFG hard1.wvr.bpl [2022-03-16 12:05:36,743 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 12:05:36,744 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 12:05:36,744 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 12:05:36,744 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 12:05:36,822 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-16 12:05:36,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 12:05:36,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 12:05:36,879 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) [2022-03-16 12:05:36,881 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 [2022-03-16 12:05:36,907 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 12:05:36,914 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, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-16 12:05:36,915 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-16 12:05:37,185 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4720 transitions and produced 1499 states. [2022-03-16 12:05:37,188 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 12:05:37,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 12:05:37,194 INFO L85 PathProgramCache]: Analyzing trace with hash 2017148938, now seen corresponding path program 1 times [2022-03-16 12:05:37,203 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 12:05:37,203 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13117748] [2022-03-16 12:05:37,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:05:37,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 12:05:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:05:37,517 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-03-16 12:05:37,518 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 12:05:37,518 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13117748] [2022-03-16 12:05:37,519 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13117748] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 12:05:37,519 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 12:05:37,519 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-16 12:05:37,521 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237984159] [2022-03-16 12:05:37,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 12:05:37,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-16 12:05:37,527 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 12:05:37,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-16 12:05:37,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-16 12:05:37,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:05:37,565 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 12:05:37,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2022-03-16 12:05:37,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:05:37,715 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3134 transitions and produced 1118 states. [2022-03-16 12:05:37,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:05:37,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 12:05:37,716 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 12:05:37,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 12:05:37,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1945404552, now seen corresponding path program 2 times [2022-03-16 12:05:37,719 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 12:05:37,719 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246538949] [2022-03-16 12:05:37,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:05:37,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 12:05:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:05:37,843 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-03-16 12:05:37,844 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 12:05:37,844 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246538949] [2022-03-16 12:05:37,844 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246538949] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 12:05:37,845 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 12:05:37,845 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-16 12:05:37,845 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738496084] [2022-03-16 12:05:37,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 12:05:37,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-16 12:05:37,847 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 12:05:37,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-16 12:05:37,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-16 12:05:37,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:05:37,848 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 12:05:37,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2022-03-16 12:05:37,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:05:37,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:05:37,903 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 428 transitions and produced 367 states. [2022-03-16 12:05:37,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:05:37,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:05:37,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 12:05:37,905 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 12:05:37,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 12:05:37,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1648269702, now seen corresponding path program 3 times [2022-03-16 12:05:37,906 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 12:05:37,906 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111008733] [2022-03-16 12:05:37,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:05:37,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 12:05:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:05:39,673 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 12:05:39,674 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 12:05:39,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111008733] [2022-03-16 12:05:39,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111008733] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 12:05:39,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538592576] [2022-03-16 12:05:39,674 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 12:05:39,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:05:39,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 12:05:39,680 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) [2022-03-16 12:05:39,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 12:05:39,768 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2022-03-16 12:05:39,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 12:05:39,788 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 104 conjunts are in the unsatisfiable core [2022-03-16 12:05:39,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 12:05:46,047 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 12:05:46,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 12:05:50,223 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 12:05:50,224 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538592576] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 12:05:50,224 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 12:05:50,224 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 51, 41] total 124 [2022-03-16 12:05:50,224 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145977501] [2022-03-16 12:05:50,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 12:05:50,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2022-03-16 12:05:50,228 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 12:05:50,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2022-03-16 12:05:50,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=567, Invalid=14933, Unknown=0, NotChecked=0, Total=15500 [2022-03-16 12:05:50,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:05:50,236 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 12:05:50,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 125 states have (on average 1.632) internal successors, (204), 124 states have internal predecessors, (204), 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) [2022-03-16 12:05:50,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:05:50,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:05:50,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:06:20,026 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 48255 transitions and produced 12205 states. [2022-03-16 12:06:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:06:20,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:06:20,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-03-16 12:06:20,047 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-16 12:06:20,229 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 [2022-03-16 12:06:20,229 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 12:06:20,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 12:06:20,230 INFO L85 PathProgramCache]: Analyzing trace with hash -16127602, now seen corresponding path program 4 times [2022-03-16 12:06:20,230 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 12:06:20,230 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639751501] [2022-03-16 12:06:20,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:06:20,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 12:06:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:06:21,293 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 17 proven. 345 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 12:06:21,293 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 12:06:21,293 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639751501] [2022-03-16 12:06:21,294 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639751501] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 12:06:21,294 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399403078] [2022-03-16 12:06:21,294 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 12:06:21,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:06:21,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 12:06:21,300 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) [2022-03-16 12:06:21,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 12:06:21,362 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 12:06:21,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 12:06:21,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 73 conjunts are in the unsatisfiable core [2022-03-16 12:06:21,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 12:06:22,772 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 344 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 12:06:22,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 12:06:24,319 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 237 proven. 125 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 12:06:24,320 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399403078] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 12:06:24,320 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 12:06:24,320 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 44, 34] total 111 [2022-03-16 12:06:24,320 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142643445] [2022-03-16 12:06:24,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 12:06:24,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2022-03-16 12:06:24,321 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 12:06:24,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2022-03-16 12:06:24,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2061, Invalid=10371, Unknown=0, NotChecked=0, Total=12432 [2022-03-16 12:06:24,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:06:24,326 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 12:06:24,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 1.9196428571428572) internal successors, (215), 111 states have internal predecessors, (215), 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) [2022-03-16 12:06:24,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:06:24,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:06:24,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-03-16 12:06:24,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:06:30,700 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 89362 transitions and produced 21985 states. [2022-03-16 12:06:30,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:06:30,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:06:30,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-03-16 12:06:30,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2022-03-16 12:06:30,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-16 12:06:30,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:06:30,902 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 12:06:30,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 12:06:30,903 INFO L85 PathProgramCache]: Analyzing trace with hash -662992086, now seen corresponding path program 1 times [2022-03-16 12:06:30,903 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 12:06:30,903 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417124443] [2022-03-16 12:06:30,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:06:30,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 12:06:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:06:31,255 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 64 proven. 307 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2022-03-16 12:06:31,256 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 12:06:31,256 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417124443] [2022-03-16 12:06:31,256 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417124443] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 12:06:31,256 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841012654] [2022-03-16 12:06:31,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:06:31,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:06:31,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 12:06:31,257 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 12:06:31,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 12:06:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:06:31,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 47 conjunts are in the unsatisfiable core [2022-03-16 12:06:31,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 12:06:31,947 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 169 proven. 273 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-03-16 12:06:31,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 12:06:33,137 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 361 proven. 81 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-03-16 12:06:33,138 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841012654] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 12:06:33,138 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 12:06:33,138 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 38, 34] total 76 [2022-03-16 12:06:33,138 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490644147] [2022-03-16 12:06:33,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 12:06:33,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2022-03-16 12:06:33,139 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 12:06:33,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2022-03-16 12:06:33,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1711, Invalid=4141, Unknown=0, NotChecked=0, Total=5852 [2022-03-16 12:06:33,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:06:33,141 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 12:06:33,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 2.1818181818181817) internal successors, (168), 76 states have internal predecessors, (168), 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) [2022-03-16 12:06:33,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:06:33,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:06:33,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-03-16 12:06:33,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2022-03-16 12:06:33,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:06:42,366 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 207771 transitions and produced 50755 states. [2022-03-16 12:06:42,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:06:42,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:06:42,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-03-16 12:06:42,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-16 12:06:42,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-16 12:06:42,384 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-16 12:06:42,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:06:42,572 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 12:06:42,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 12:06:42,572 INFO L85 PathProgramCache]: Analyzing trace with hash -2057342212, now seen corresponding path program 1 times [2022-03-16 12:06:42,573 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 12:06:42,573 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581676694] [2022-03-16 12:06:42,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:06:42,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 12:06:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:06:43,271 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 486 proven. 196 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-03-16 12:06:43,271 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 12:06:43,271 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581676694] [2022-03-16 12:06:43,271 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581676694] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 12:06:43,272 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821698248] [2022-03-16 12:06:43,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:06:43,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:06:43,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 12:06:43,273 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 12:06:43,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 12:06:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:06:43,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 59 conjunts are in the unsatisfiable core [2022-03-16 12:06:43,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 12:06:44,414 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 486 proven. 196 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-03-16 12:06:44,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 12:06:45,423 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 486 proven. 196 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-03-16 12:06:45,424 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821698248] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 12:06:45,424 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 12:06:45,424 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 59, 45] total 103 [2022-03-16 12:06:45,424 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144198813] [2022-03-16 12:06:45,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 12:06:45,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2022-03-16 12:06:45,425 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 12:06:45,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2022-03-16 12:06:45,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2966, Invalid=7746, Unknown=0, NotChecked=0, Total=10712 [2022-03-16 12:06:45,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:06:45,429 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 12:06:45,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 1.6923076923076923) internal successors, (176), 103 states have internal predecessors, (176), 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) [2022-03-16 12:06:45,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:06:45,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:06:45,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-03-16 12:06:45,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-16 12:06:45,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-03-16 12:06:45,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:06:49,623 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 399310 transitions and produced 88361 states. [2022-03-16 12:06:49,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:06:49,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:06:49,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-03-16 12:06:49,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-16 12:06:49,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-16 12:06:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-03-16 12:06:49,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 12:06:49,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:06:49,831 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 12:06:49,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 12:06:49,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1924598458, now seen corresponding path program 5 times [2022-03-16 12:06:49,832 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 12:06:49,832 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490871472] [2022-03-16 12:06:49,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:06:49,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 12:06:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:06:53,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 1170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 12:06:53,050 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 12:06:53,050 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490871472] [2022-03-16 12:06:53,051 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490871472] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 12:06:53,051 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698253229] [2022-03-16 12:06:53,051 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 12:06:53,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:06:53,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 12:06:53,052 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 12:06:53,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 12:06:53,171 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2022-03-16 12:06:53,171 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 12:06:53,175 WARN L261 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 244 conjunts are in the unsatisfiable core [2022-03-16 12:06:53,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 12:06:59,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 1170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 12:06:59,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 12:07:07,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 1170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 12:07:07,624 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698253229] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 12:07:07,624 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 12:07:07,624 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 86, 64] total 213 [2022-03-16 12:07:07,624 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922800550] [2022-03-16 12:07:07,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 12:07:07,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 214 states [2022-03-16 12:07:07,625 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 12:07:07,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 214 interpolants. [2022-03-16 12:07:07,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1150, Invalid=44432, Unknown=0, NotChecked=0, Total=45582 [2022-03-16 12:07:07,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:07:07,631 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 12:07:07,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 214 states, 214 states have (on average 1.6495327102803738) internal successors, (353), 213 states have internal predecessors, (353), 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) [2022-03-16 12:07:07,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:07:07,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:07:07,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-03-16 12:07:07,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-16 12:07:07,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-03-16 12:07:07,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-03-16 12:07:07,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:10:02,788 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 631044 transitions and produced 138701 states. [2022-03-16 12:10:02,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:10:02,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:10:02,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-03-16 12:10:02,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-16 12:10:02,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-16 12:10:02,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-03-16 12:10:02,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-03-16 12:10:02,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-16 12:10:02,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:10:02,990 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 12:10:02,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 12:10:02,990 INFO L85 PathProgramCache]: Analyzing trace with hash 306750612, now seen corresponding path program 6 times [2022-03-16 12:10:02,990 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 12:10:02,991 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332304336] [2022-03-16 12:10:02,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:10:02,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 12:10:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:10:05,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 1102 proven. 797 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 12:10:05,397 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 12:10:05,397 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332304336] [2022-03-16 12:10:05,397 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332304336] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 12:10:05,397 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080509106] [2022-03-16 12:10:05,397 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 12:10:05,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:10:05,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 12:10:05,398 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 12:10:05,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 12:10:05,530 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 35 check-sat command(s) [2022-03-16 12:10:05,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 12:10:05,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 173 conjunts are in the unsatisfiable core [2022-03-16 12:10:05,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 12:10:10,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 302 proven. 1579 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-03-16 12:10:10,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 12:10:13,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 1148 proven. 733 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-03-16 12:10:13,465 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080509106] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 12:10:13,465 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 12:10:13,465 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92, 88, 64] total 210 [2022-03-16 12:10:13,466 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407643301] [2022-03-16 12:10:13,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 12:10:13,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 211 states [2022-03-16 12:10:13,466 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 12:10:13,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 211 interpolants. [2022-03-16 12:10:13,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8738, Invalid=35572, Unknown=0, NotChecked=0, Total=44310 [2022-03-16 12:10:13,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:10:13,472 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 12:10:13,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 211 states, 211 states have (on average 1.9289099526066351) internal successors, (407), 210 states have internal predecessors, (407), 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) [2022-03-16 12:10:13,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:10:13,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:10:13,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-03-16 12:10:13,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-16 12:10:13,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-03-16 12:10:13,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-03-16 12:10:13,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-03-16 12:10:13,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:10:32,926 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1078567 transitions and produced 232406 states. [2022-03-16 12:10:32,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:10:32,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:10:32,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-03-16 12:10:32,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-16 12:10:32,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-16 12:10:32,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-03-16 12:10:32,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-03-16 12:10:32,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-03-16 12:10:32,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-16 12:10:33,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:10:33,137 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 12:10:33,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 12:10:33,137 INFO L85 PathProgramCache]: Analyzing trace with hash -612339086, now seen corresponding path program 2 times [2022-03-16 12:10:33,137 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 12:10:33,137 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607458036] [2022-03-16 12:10:33,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:10:33,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 12:10:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:10:35,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 1102 proven. 1020 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 12:10:35,457 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 12:10:35,457 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607458036] [2022-03-16 12:10:35,457 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607458036] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 12:10:35,457 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215909715] [2022-03-16 12:10:35,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 12:10:35,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:10:35,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 12:10:35,459 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 12:10:35,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-16 12:10:35,552 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 12:10:35,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 12:10:35,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 186 conjunts are in the unsatisfiable core [2022-03-16 12:10:35,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 12:10:40,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 301 proven. 1801 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-16 12:10:40,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 12:10:44,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 1157 proven. 961 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 12:10:44,374 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215909715] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 12:10:44,374 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 12:10:44,374 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 96, 67] total 222 [2022-03-16 12:10:44,374 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635325979] [2022-03-16 12:10:44,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 12:10:44,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 223 states [2022-03-16 12:10:44,375 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 12:10:44,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2022-03-16 12:10:44,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9437, Invalid=40069, Unknown=0, NotChecked=0, Total=49506 [2022-03-16 12:10:44,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:10:44,383 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 12:10:44,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 223 states, 223 states have (on average 1.8654708520179373) internal successors, (416), 222 states have internal predecessors, (416), 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) [2022-03-16 12:10:44,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:10:44,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:10:44,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-03-16 12:10:44,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-16 12:10:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-03-16 12:10:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-03-16 12:10:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-03-16 12:10:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-03-16 12:10:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:11:06,911 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1140289 transitions and produced 249698 states. [2022-03-16 12:11:06,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:11:06,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:11:06,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-03-16 12:11:06,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-16 12:11:06,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-16 12:11:06,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-03-16 12:11:06,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-03-16 12:11:06,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-03-16 12:11:06,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2022-03-16 12:11:06,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-16 12:11:07,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-03-16 12:11:07,114 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 12:11:07,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 12:11:07,114 INFO L85 PathProgramCache]: Analyzing trace with hash -195236040, now seen corresponding path program 3 times [2022-03-16 12:11:07,115 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 12:11:07,115 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566717681] [2022-03-16 12:11:07,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:11:07,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 12:11:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:11:11,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 151 proven. 2167 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-16 12:11:11,195 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 12:11:11,196 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566717681] [2022-03-16 12:11:11,196 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566717681] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 12:11:11,196 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983614942] [2022-03-16 12:11:11,196 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 12:11:11,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:11:11,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 12:11:11,198 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 12:11:11,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-16 12:11:11,343 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 35 check-sat command(s) [2022-03-16 12:11:11,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 12:11:11,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 138 conjunts are in the unsatisfiable core [2022-03-16 12:11:11,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 12:11:21,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 1104 proven. 1215 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 12:11:21,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 12:11:28,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 1098 proven. 1223 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 12:11:28,583 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983614942] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 12:11:28,583 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 12:11:28,584 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 134, 107] total 306 [2022-03-16 12:11:28,584 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366333355] [2022-03-16 12:11:28,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 12:11:28,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 307 states [2022-03-16 12:11:28,585 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 12:11:28,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 307 interpolants. [2022-03-16 12:11:28,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20428, Invalid=73514, Unknown=0, NotChecked=0, Total=93942 [2022-03-16 12:11:28,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:11:28,592 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 12:11:28,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 307 states, 307 states have (on average 1.4397394136807817) internal successors, (442), 306 states have internal predecessors, (442), 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) [2022-03-16 12:11:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:11:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:11:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-03-16 12:11:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-16 12:11:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-03-16 12:11:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-03-16 12:11:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-03-16 12:11:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-03-16 12:11:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2022-03-16 12:11:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:12:13,508 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1332314 transitions and produced 293612 states. [2022-03-16 12:12:13,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:12:13,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:12:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-03-16 12:12:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-16 12:12:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-16 12:12:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-03-16 12:12:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-03-16 12:12:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-03-16 12:12:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2022-03-16 12:12:13,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2022-03-16 12:12:13,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-03-16 12:12:13,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-16 12:12:13,711 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 12:12:13,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 12:12:13,712 INFO L85 PathProgramCache]: Analyzing trace with hash -393950912, now seen corresponding path program 4 times [2022-03-16 12:12:13,712 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 12:12:13,712 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130534249] [2022-03-16 12:12:13,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:12:13,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 12:12:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:12:19,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2609 backedges. 0 proven. 2609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 12:12:19,304 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 12:12:19,304 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130534249] [2022-03-16 12:12:19,305 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130534249] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 12:12:19,305 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113582287] [2022-03-16 12:12:19,305 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 12:12:19,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:12:19,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 12:12:19,308 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 12:12:19,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-16 12:12:19,389 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 12:12:19,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 12:12:19,393 WARN L261 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 295 conjunts are in the unsatisfiable core [2022-03-16 12:12:19,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 12:12:24,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2609 backedges. 0 proven. 2609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 12:12:24,701 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 12:12:44,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2609 backedges. 0 proven. 2609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 12:12:44,920 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113582287] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 12:12:44,922 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 12:12:44,923 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [117, 117, 110] total 262 [2022-03-16 12:12:44,923 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785336757] [2022-03-16 12:12:44,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 12:12:44,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 263 states [2022-03-16 12:12:44,923 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 12:12:44,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 263 interpolants. [2022-03-16 12:12:44,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1138, Invalid=67768, Unknown=0, NotChecked=0, Total=68906 [2022-03-16 12:12:44,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:12:44,927 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 12:12:44,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 263 states, 263 states have (on average 1.55893536121673) internal successors, (410), 262 states have internal predecessors, (410), 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) [2022-03-16 12:12:44,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:12:44,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:12:44,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-03-16 12:12:44,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-16 12:12:44,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-03-16 12:12:44,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-03-16 12:12:44,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-03-16 12:12:44,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-03-16 12:12:44,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2022-03-16 12:12:44,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 352 states. [2022-03-16 12:12:44,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:14:45,266 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1350266 transitions and produced 297838 states. [2022-03-16 12:14:45,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:14:45,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:14:45,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-03-16 12:14:45,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-16 12:14:45,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-16 12:14:45,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-03-16 12:14:45,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-03-16 12:14:45,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-03-16 12:14:45,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2022-03-16 12:14:45,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 353 states. [2022-03-16 12:14:45,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2022-03-16 12:14:45,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-03-16 12:14:45,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-03-16 12:14:45,469 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 12:14:45,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 12:14:45,469 INFO L85 PathProgramCache]: Analyzing trace with hash 2031618582, now seen corresponding path program 7 times [2022-03-16 12:14:45,469 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 12:14:45,469 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409577138] [2022-03-16 12:14:45,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:14:45,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 12:14:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:14:55,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4438 backedges. 17 proven. 4419 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 12:14:55,883 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 12:14:55,883 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409577138] [2022-03-16 12:14:55,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409577138] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 12:14:55,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584559786] [2022-03-16 12:14:55,884 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-16 12:14:55,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:14:55,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 12:14:55,885 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 12:14:55,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-16 12:14:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:14:56,004 WARN L261 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 285 conjunts are in the unsatisfiable core [2022-03-16 12:14:56,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 12:15:06,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4438 backedges. 5 proven. 4431 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 12:15:06,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 12:15:26,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4438 backedges. 2316 proven. 2120 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 12:15:26,792 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584559786] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 12:15:26,792 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 12:15:26,792 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [186, 145, 101] total 383 [2022-03-16 12:15:26,792 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138749487] [2022-03-16 12:15:26,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 12:15:26,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2022-03-16 12:15:26,793 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 12:15:26,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2022-03-16 12:15:26,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19015, Invalid=128057, Unknown=0, NotChecked=0, Total=147072 [2022-03-16 12:15:26,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:15:26,802 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 12:15:26,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 384 states, 384 states have (on average 1.6223958333333333) internal successors, (623), 383 states have internal predecessors, (623), 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) [2022-03-16 12:15:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:15:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 12:15:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-03-16 12:15:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-16 12:15:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-03-16 12:15:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-03-16 12:15:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-03-16 12:15:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-03-16 12:15:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2022-03-16 12:15:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 353 states. [2022-03-16 12:15:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2022-03-16 12:15:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.