/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-4b0ab11 [2022-03-04 06:40:31,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 06:40:31,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 06:40:31,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-04 06:40:31,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 06:40:31,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 06:40:31,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 06:40:31,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 06:40:31,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 06:40:31,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 06:40:31,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 06:40:31,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 06:40:31,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 06:40:31,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 06:40:31,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 06:40:31,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 06:40:31,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 06:40:31,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 06:40:31,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 06:40:31,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 06:40:31,286 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 [2022-03-04 06:40:31,317 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 06:40:31,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 06:40:31,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 06:40:31,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 06:40:31,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 06:40:31,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 06:40:31,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 06:40:31,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 06:40:31,319 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 06:40:31,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 06:40:31,320 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 06:40:31,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 06:40:31,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 06:40:31,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 06:40:31,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 06:40:31,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 06:40:31,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 06:40:31,321 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 06:40:31,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 06:40:31,321 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 06:40:31,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 06:40:31,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 06:40:31,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 06:40:31,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 06:40:31,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 06:40:31,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 06:40:31,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 06:40:31,323 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 06:40:31,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 06:40:31,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 06:40:31,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 06:40:31,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 06:40:31,324 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 06:40:31,324 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 06:40:31,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 06:40:31,324 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 06:40:31,324 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 06:40:31,324 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 06:40:31,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 06:40:31,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 06:40:31,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 06:40:31,569 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 06:40:31,570 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 06:40:31,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/hard1.wvr.bpl [2022-03-04 06:40:31,572 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/hard1.wvr.bpl' [2022-03-04 06:40:31,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 06:40:31,594 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 06:40:31,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 06:40:31,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 06:40:31,595 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 06:40:31,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:40:31" (1/1) ... [2022-03-04 06:40:31,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:40:31" (1/1) ... [2022-03-04 06:40:31,617 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 06:40:31,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 06:40:31,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 06:40:31,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 06:40:31,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 06:40:31,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:40:31" (1/1) ... [2022-03-04 06:40:31,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:40:31" (1/1) ... [2022-03-04 06:40:31,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:40:31" (1/1) ... [2022-03-04 06:40:31,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:40:31" (1/1) ... [2022-03-04 06:40:31,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:40:31" (1/1) ... [2022-03-04 06:40:31,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:40:31" (1/1) ... [2022-03-04 06:40:31,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:40:31" (1/1) ... [2022-03-04 06:40:31,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 06:40:31,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 06:40:31,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 06:40:31,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 06:40:31,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:40:31" (1/1) ... [2022-03-04 06:40:31,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 06:40:31,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:40:31,677 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) [2022-03-04 06:40:31,680 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 [2022-03-04 06:40:31,706 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 06:40:31,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 06:40:31,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 06:40:31,706 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 06:40:31,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 06:40:31,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 06:40:31,707 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 06:40:31,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 06:40:31,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 06:40:31,707 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 06:40:31,707 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 06:40:31,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 06:40:31,708 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-04 06:40:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-04 06:40:31,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-04 06:40:31,709 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 06:40:31,750 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 06:40:31,751 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 06:40:31,883 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 06:40:31,903 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 06:40:31,903 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 06:40:31,905 INFO L202 PluginConnector]: Adding new model hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 06:40:31 BoogieIcfgContainer [2022-03-04 06:40:31,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 06:40:31,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 06:40:31,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 06:40:31,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 06:40:31,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:40:31" (1/2) ... [2022-03-04 06:40:31,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b778929 and model type hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:40:31, skipping insertion in model container [2022-03-04 06:40:31,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 06:40:31" (2/2) ... [2022-03-04 06:40:31,917 INFO L111 eAbstractionObserver]: Analyzing ICFG hard1.wvr.bpl [2022-03-04 06:40:31,925 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 06:40:31,925 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 06:40:31,925 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 06:40:31,925 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 06:40:31,996 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-04 06:40:32,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 06:40:32,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:40:32,079 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) [2022-03-04 06:40:32,087 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 [2022-03-04 06:40:32,138 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 06:40:32,147 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 [2022-03-04 06:40:32,148 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-04 06:40:32,383 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4720 transitions and produced 1499 states. [2022-03-04 06:40:32,385 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 06:40:32,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:40:32,391 INFO L85 PathProgramCache]: Analyzing trace with hash 2017148938, now seen corresponding path program 1 times [2022-03-04 06:40:32,398 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:40:32,398 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102644034] [2022-03-04 06:40:32,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:40:32,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:40:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:40:32,679 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-03-04 06:40:32,680 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:40:32,681 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102644034] [2022-03-04 06:40:32,681 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102644034] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 06:40:32,682 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 06:40:32,682 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-04 06:40:32,686 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115676723] [2022-03-04 06:40:32,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 06:40:32,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-04 06:40:32,691 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:40:32,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-04 06:40:32,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-04 06:40:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:40:32,721 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:40:32,723 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) [2022-03-04 06:40:32,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:40:32,845 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3134 transitions and produced 1118 states. [2022-03-04 06:40:32,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:40:32,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 06:40:32,847 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 06:40:32,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:40:32,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1945404552, now seen corresponding path program 2 times [2022-03-04 06:40:32,851 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:40:32,851 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684333956] [2022-03-04 06:40:32,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:40:32,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:40:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:40:32,972 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-03-04 06:40:32,972 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:40:32,972 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684333956] [2022-03-04 06:40:32,973 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684333956] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 06:40:32,973 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 06:40:32,973 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-04 06:40:32,973 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677705370] [2022-03-04 06:40:32,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 06:40:32,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-04 06:40:32,975 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:40:32,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-04 06:40:32,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-04 06:40:32,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:40:32,976 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:40:32,976 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) [2022-03-04 06:40:32,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:40:32,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:40:33,049 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 428 transitions and produced 367 states. [2022-03-04 06:40:33,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:40:33,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:40:33,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-04 06:40:33,051 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 06:40:33,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:40:33,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1648269702, now seen corresponding path program 3 times [2022-03-04 06:40:33,053 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:40:33,053 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389615478] [2022-03-04 06:40:33,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:40:33,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:40:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:40:34,895 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:40:34,896 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:40:34,896 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389615478] [2022-03-04 06:40:34,896 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389615478] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:40:34,896 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718246004] [2022-03-04 06:40:34,897 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 06:40:34,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:40:34,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:40:34,903 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) [2022-03-04 06:40:34,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 06:40:34,997 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2022-03-04 06:40:34,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:40:35,020 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 104 conjunts are in the unsatisfiable core [2022-03-04 06:40:35,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:40:40,912 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:40:40,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:40:45,088 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:40:45,088 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718246004] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:40:45,088 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:40:45,088 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 51, 41] total 124 [2022-03-04 06:40:45,089 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012594255] [2022-03-04 06:40:45,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:40:45,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2022-03-04 06:40:45,090 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:40:45,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2022-03-04 06:40:45,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=567, Invalid=14933, Unknown=0, NotChecked=0, Total=15500 [2022-03-04 06:40:45,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:40:45,098 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:40:45,099 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) [2022-03-04 06:40:45,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:40:45,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:40:45,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:41:14,839 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 48255 transitions and produced 12205 states. [2022-03-04 06:41:14,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:41:14,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:41:14,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-03-04 06:41:14,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 06:41:15,043 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 [2022-03-04 06:41:15,044 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 06:41:15,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:41:15,045 INFO L85 PathProgramCache]: Analyzing trace with hash -16127602, now seen corresponding path program 4 times [2022-03-04 06:41:15,045 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:41:15,045 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656461568] [2022-03-04 06:41:15,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:41:15,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:41:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:41:16,080 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 17 proven. 345 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 06:41:16,081 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:41:16,081 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656461568] [2022-03-04 06:41:16,081 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656461568] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:41:16,081 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077698176] [2022-03-04 06:41:16,081 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 06:41:16,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:41:16,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:41:16,083 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) [2022-03-04 06:41:16,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 06:41:16,140 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 06:41:16,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:41:16,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 73 conjunts are in the unsatisfiable core [2022-03-04 06:41:16,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:41:17,532 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 344 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 06:41:17,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:41:19,143 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 237 proven. 125 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 06:41:19,144 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077698176] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:41:19,144 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:41:19,144 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 44, 34] total 111 [2022-03-04 06:41:19,144 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465805694] [2022-03-04 06:41:19,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:41:19,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2022-03-04 06:41:19,145 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:41:19,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2022-03-04 06:41:19,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2061, Invalid=10371, Unknown=0, NotChecked=0, Total=12432 [2022-03-04 06:41:19,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:41:19,149 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:41:19,150 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) [2022-03-04 06:41:19,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:41:19,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:41:19,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-03-04 06:41:19,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:41:25,570 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 89362 transitions and produced 21985 states. [2022-03-04 06:41:25,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:41:25,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:41:25,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-03-04 06:41:25,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2022-03-04 06:41:25,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 06:41:25,772 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 [2022-03-04 06:41:25,772 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 06:41:25,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:41:25,773 INFO L85 PathProgramCache]: Analyzing trace with hash -662992086, now seen corresponding path program 1 times [2022-03-04 06:41:25,773 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:41:25,773 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043953449] [2022-03-04 06:41:25,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:41:25,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:41:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:41:26,210 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 64 proven. 307 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2022-03-04 06:41:26,210 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:41:26,210 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043953449] [2022-03-04 06:41:26,211 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043953449] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:41:26,211 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82591309] [2022-03-04 06:41:26,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:41:26,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:41:26,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:41:26,213 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) [2022-03-04 06:41:26,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 06:41:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:41:26,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 47 conjunts are in the unsatisfiable core [2022-03-04 06:41:26,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:41:26,921 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 169 proven. 273 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-03-04 06:41:26,921 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:41:28,039 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 361 proven. 81 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-03-04 06:41:28,039 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82591309] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:41:28,039 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:41:28,040 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 38, 34] total 76 [2022-03-04 06:41:28,040 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569150462] [2022-03-04 06:41:28,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:41:28,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2022-03-04 06:41:28,040 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:41:28,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2022-03-04 06:41:28,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1711, Invalid=4141, Unknown=0, NotChecked=0, Total=5852 [2022-03-04 06:41:28,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:41:28,043 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:41:28,044 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) [2022-03-04 06:41:28,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:41:28,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:41:28,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-03-04 06:41:28,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2022-03-04 06:41:28,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:41:37,185 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 207771 transitions and produced 50755 states. [2022-03-04 06:41:37,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:41:37,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:41:37,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-03-04 06:41:37,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-04 06:41:37,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-04 06:41:37,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-04 06:41:37,391 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 [2022-03-04 06:41:37,392 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 06:41:37,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:41:37,392 INFO L85 PathProgramCache]: Analyzing trace with hash -2057342212, now seen corresponding path program 1 times [2022-03-04 06:41:37,393 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:41:37,393 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996648224] [2022-03-04 06:41:37,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:41:37,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:41:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:41:38,079 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 486 proven. 196 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-03-04 06:41:38,080 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:41:38,080 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996648224] [2022-03-04 06:41:38,080 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996648224] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:41:38,080 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90417130] [2022-03-04 06:41:38,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:41:38,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:41:38,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:41:38,082 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) [2022-03-04 06:41:38,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 06:41:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:41:38,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 59 conjunts are in the unsatisfiable core [2022-03-04 06:41:38,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:41:39,186 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 486 proven. 196 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-03-04 06:41:39,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:41:40,210 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 486 proven. 196 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-03-04 06:41:40,211 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90417130] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:41:40,211 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:41:40,211 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 59, 45] total 103 [2022-03-04 06:41:40,211 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161345290] [2022-03-04 06:41:40,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:41:40,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2022-03-04 06:41:40,212 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:41:40,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2022-03-04 06:41:40,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2966, Invalid=7746, Unknown=0, NotChecked=0, Total=10712 [2022-03-04 06:41:40,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:41:40,217 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:41:40,217 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) [2022-03-04 06:41:40,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:41:40,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:41:40,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-03-04 06:41:40,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-04 06:41:40,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-03-04 06:41:40,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:41:44,346 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 399310 transitions and produced 88361 states. [2022-03-04 06:41:44,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:41:44,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:41:44,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-03-04 06:41:44,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-04 06:41:44,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-04 06:41:44,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-03-04 06:41:44,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 06:41:44,574 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 [2022-03-04 06:41:44,574 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 06:41:44,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:41:44,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1924598458, now seen corresponding path program 5 times [2022-03-04 06:41:44,575 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:41:44,575 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985861934] [2022-03-04 06:41:44,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:41:44,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:41:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:41:47,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 1170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:41:47,578 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:41:47,578 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985861934] [2022-03-04 06:41:47,578 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985861934] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:41:47,578 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605791219] [2022-03-04 06:41:47,578 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 06:41:47,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:41:47,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:41:47,580 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) [2022-03-04 06:41:47,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 06:41:47,695 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2022-03-04 06:41:47,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:41:47,797 WARN L261 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 244 conjunts are in the unsatisfiable core [2022-03-04 06:41:47,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:41:54,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 1170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:41:54,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:42:02,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 1170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:42:02,181 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605791219] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:42:02,181 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:42:02,181 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 86, 64] total 213 [2022-03-04 06:42:02,181 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092209225] [2022-03-04 06:42:02,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:42:02,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 214 states [2022-03-04 06:42:02,182 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:42:02,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 214 interpolants. [2022-03-04 06:42:02,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1150, Invalid=44432, Unknown=0, NotChecked=0, Total=45582 [2022-03-04 06:42:02,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:42:02,188 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:42:02,189 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) [2022-03-04 06:42:02,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:42:02,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:42:02,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-03-04 06:42:02,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-04 06:42:02,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-03-04 06:42:02,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-03-04 06:42:02,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:44:53,468 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 631044 transitions and produced 138701 states. [2022-03-04 06:44:53,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:44:53,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:44:53,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-03-04 06:44:53,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-04 06:44:53,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-04 06:44:53,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-03-04 06:44:53,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-03-04 06:44:53,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 06:44:53,669 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 [2022-03-04 06:44:53,670 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 06:44:53,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:44:53,670 INFO L85 PathProgramCache]: Analyzing trace with hash 306750612, now seen corresponding path program 6 times [2022-03-04 06:44:53,671 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:44:53,671 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315448945] [2022-03-04 06:44:53,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:44:53,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:44:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:44:55,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 1102 proven. 797 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-04 06:44:55,958 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:44:55,958 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315448945] [2022-03-04 06:44:55,959 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315448945] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:44:55,959 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376920790] [2022-03-04 06:44:55,959 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 06:44:55,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:44:55,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:44:55,963 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) [2022-03-04 06:44:55,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 06:44:56,096 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 35 check-sat command(s) [2022-03-04 06:44:56,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:44:56,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 173 conjunts are in the unsatisfiable core [2022-03-04 06:44:56,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:45:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 302 proven. 1579 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-03-04 06:45:00,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:45:03,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 1148 proven. 733 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-03-04 06:45:03,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376920790] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:45:03,764 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:45:03,764 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92, 88, 64] total 210 [2022-03-04 06:45:03,764 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550375270] [2022-03-04 06:45:03,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:45:03,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 211 states [2022-03-04 06:45:03,764 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:45:03,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 211 interpolants. [2022-03-04 06:45:03,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8738, Invalid=35572, Unknown=0, NotChecked=0, Total=44310 [2022-03-04 06:45:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:45:03,770 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:45:03,771 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) [2022-03-04 06:45:03,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:45:03,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:45:03,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-03-04 06:45:03,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-04 06:45:03,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-03-04 06:45:03,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-03-04 06:45:03,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-03-04 06:45:03,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:45:23,122 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1078567 transitions and produced 232406 states. [2022-03-04 06:45:23,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:45:23,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:45:23,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-03-04 06:45:23,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-04 06:45:23,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-04 06:45:23,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-03-04 06:45:23,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-03-04 06:45:23,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-03-04 06:45:23,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-04 06:45:23,328 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 [2022-03-04 06:45:23,328 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 06:45:23,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:45:23,329 INFO L85 PathProgramCache]: Analyzing trace with hash -612339086, now seen corresponding path program 2 times [2022-03-04 06:45:23,329 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:45:23,329 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136121643] [2022-03-04 06:45:23,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:45:23,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:45:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:45:25,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 1102 proven. 1020 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-04 06:45:25,594 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:45:25,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136121643] [2022-03-04 06:45:25,594 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136121643] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:45:25,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751377890] [2022-03-04 06:45:25,594 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 06:45:25,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:45:25,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:45:25,595 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) [2022-03-04 06:45:25,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-04 06:45:25,663 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 06:45:25,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:45:25,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 186 conjunts are in the unsatisfiable core [2022-03-04 06:45:25,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:45:30,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 301 proven. 1801 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-04 06:45:30,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:45:34,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 1157 proven. 961 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 06:45:34,178 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751377890] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:45:34,178 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:45:34,178 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 96, 67] total 222 [2022-03-04 06:45:34,178 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60159366] [2022-03-04 06:45:34,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:45:34,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 223 states [2022-03-04 06:45:34,179 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:45:34,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2022-03-04 06:45:34,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9437, Invalid=40069, Unknown=0, NotChecked=0, Total=49506 [2022-03-04 06:45:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:45:34,186 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:45:34,187 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) [2022-03-04 06:45:34,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:45:34,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:45:34,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-03-04 06:45:34,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-04 06:45:34,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-03-04 06:45:34,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-03-04 06:45:34,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-03-04 06:45:34,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-03-04 06:45:34,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:45:55,603 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1140289 transitions and produced 249698 states. [2022-03-04 06:45:55,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:45:55,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:45:55,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-03-04 06:45:55,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-04 06:45:55,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-04 06:45:55,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-03-04 06:45:55,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-03-04 06:45:55,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-03-04 06:45:55,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2022-03-04 06:45:55,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-03-04 06:45:55,804 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 [2022-03-04 06:45:55,805 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 06:45:55,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:45:55,805 INFO L85 PathProgramCache]: Analyzing trace with hash -195236040, now seen corresponding path program 3 times [2022-03-04 06:45:55,805 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:45:55,806 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255272230] [2022-03-04 06:45:55,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:45:55,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:45:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:45:59,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 151 proven. 2167 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-04 06:45:59,842 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:45:59,842 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255272230] [2022-03-04 06:45:59,842 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255272230] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:45:59,842 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722438982] [2022-03-04 06:45:59,842 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 06:45:59,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:45:59,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:45:59,843 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) [2022-03-04 06:45:59,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-04 06:45:59,973 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 35 check-sat command(s) [2022-03-04 06:45:59,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:45:59,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 138 conjunts are in the unsatisfiable core [2022-03-04 06:45:59,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:46:09,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 1104 proven. 1215 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 06:46:09,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:46:16,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 1098 proven. 1223 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:46:16,323 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722438982] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:46:16,323 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:46:16,324 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 134, 107] total 306 [2022-03-04 06:46:16,324 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936419548] [2022-03-04 06:46:16,324 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:46:16,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 307 states [2022-03-04 06:46:16,324 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:46:16,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 307 interpolants. [2022-03-04 06:46:16,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20428, Invalid=73514, Unknown=0, NotChecked=0, Total=93942 [2022-03-04 06:46:16,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:46:16,334 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:46:16,335 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) [2022-03-04 06:46:16,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:46:16,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:46:16,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-03-04 06:46:16,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-04 06:46:16,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-03-04 06:46:16,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-03-04 06:46:16,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-03-04 06:46:16,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-03-04 06:46:16,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2022-03-04 06:46:16,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:46:56,493 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1332314 transitions and produced 293612 states. [2022-03-04 06:46:56,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:46:56,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:46:56,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-03-04 06:46:56,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-04 06:46:56,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-04 06:46:56,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-03-04 06:46:56,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-03-04 06:46:56,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-03-04 06:46:56,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2022-03-04 06:46:56,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2022-03-04 06:46:56,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-04 06:46:56,707 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 [2022-03-04 06:46:56,708 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 06:46:56,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:46:56,708 INFO L85 PathProgramCache]: Analyzing trace with hash -393950912, now seen corresponding path program 4 times [2022-03-04 06:46:56,708 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:46:56,708 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074976474] [2022-03-04 06:46:56,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:46:56,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:46:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:47:02,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2609 backedges. 0 proven. 2609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:47:02,170 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:47:02,170 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074976474] [2022-03-04 06:47:02,170 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074976474] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:47:02,170 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297845098] [2022-03-04 06:47:02,170 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 06:47:02,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:47:02,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:47:02,171 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) [2022-03-04 06:47:02,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-04 06:47:02,273 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 06:47:02,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:47:02,277 WARN L261 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 295 conjunts are in the unsatisfiable core [2022-03-04 06:47:02,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:47:07,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2609 backedges. 0 proven. 2609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:47:07,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:47:27,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2609 backedges. 0 proven. 2609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:47:27,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297845098] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:47:27,006 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:47:27,006 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [117, 117, 110] total 262 [2022-03-04 06:47:27,006 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920044563] [2022-03-04 06:47:27,006 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:47:27,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 263 states [2022-03-04 06:47:27,007 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:47:27,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 263 interpolants. [2022-03-04 06:47:27,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1138, Invalid=67768, Unknown=0, NotChecked=0, Total=68906 [2022-03-04 06:47:27,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:47:27,009 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:47:27,010 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) [2022-03-04 06:47:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:47:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:47:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-03-04 06:47:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-04 06:47:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-03-04 06:47:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-03-04 06:47:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-03-04 06:47:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-03-04 06:47:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2022-03-04 06:47:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 352 states. [2022-03-04 06:47:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:49:15,961 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1350266 transitions and produced 297838 states. [2022-03-04 06:49:15,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:49:15,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:49:15,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-03-04 06:49:15,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-04 06:49:15,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-04 06:49:15,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-03-04 06:49:15,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-03-04 06:49:15,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-03-04 06:49:15,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2022-03-04 06:49:15,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 353 states. [2022-03-04 06:49:15,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2022-03-04 06:49:15,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-03-04 06:49:16,165 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 [2022-03-04 06:49:16,165 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 06:49:16,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:49:16,166 INFO L85 PathProgramCache]: Analyzing trace with hash 2031618582, now seen corresponding path program 7 times [2022-03-04 06:49:16,166 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:49:16,166 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137663226] [2022-03-04 06:49:16,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:49:16,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:49:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:49:26,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4438 backedges. 17 proven. 4419 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 06:49:26,238 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:49:26,238 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137663226] [2022-03-04 06:49:26,239 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137663226] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:49:26,239 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298232762] [2022-03-04 06:49:26,239 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-04 06:49:26,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:49:26,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:49:26,240 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) [2022-03-04 06:49:26,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-04 06:49:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:49:26,353 WARN L261 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 285 conjunts are in the unsatisfiable core [2022-03-04 06:49:26,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:49:37,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4438 backedges. 5 proven. 4431 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 06:49:37,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:49:56,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4438 backedges. 2316 proven. 2120 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 06:49:56,818 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298232762] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:49:56,818 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:49:56,818 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [186, 145, 101] total 383 [2022-03-04 06:49:56,818 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945209926] [2022-03-04 06:49:56,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:49:56,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2022-03-04 06:49:56,819 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:49:56,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2022-03-04 06:49:56,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19015, Invalid=128057, Unknown=0, NotChecked=0, Total=147072 [2022-03-04 06:49:56,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:49:56,827 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:49:56,827 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) [2022-03-04 06:49:56,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:49:56,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:49:56,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-03-04 06:49:56,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-04 06:49:56,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-03-04 06:49:56,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-03-04 06:49:56,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-03-04 06:49:56,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-03-04 06:49:56,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2022-03-04 06:49:56,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 353 states. [2022-03-04 06:49:56,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2022-03-04 06:49:56,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.