/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.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-820ea7a [2022-02-20 04:45:38,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 04:45:38,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 04:45:38,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-20 04:45:38,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 04:45:38,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 04:45:38,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 04:45:38,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 04:45:38,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 04:45:38,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 04:45:38,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 04:45:38,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 04:45:38,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 04:45:38,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 04:45:38,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 04:45:38,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 04:45:38,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-20 04:45:38,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 04:45:38,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 04:45:38,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 04:45:38,777 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.epf [2022-02-20 04:45:38,798 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 04:45:38,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 04:45:38,798 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 04:45:38,798 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 04:45:38,801 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 04:45:38,801 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 04:45:38,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 04:45:38,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 04:45:38,801 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 04:45:38,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 04:45:38,802 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 04:45:38,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 04:45:38,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 04:45:38,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 04:45:38,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 04:45:38,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 04:45:38,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 04:45:38,803 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 04:45:38,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 04:45:38,803 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 04:45:38,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 04:45:38,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 04:45:38,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 04:45:38,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 04:45:38,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 04:45:38,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 04:45:38,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 04:45:38,804 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 04:45:38,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 04:45:38,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 04:45:38,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 04:45:38,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 04:45:38,805 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 04:45:38,805 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 04:45:38,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 04:45:38,805 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-20 04:45:38,805 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 04:45:39,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 04:45:39,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 04:45:39,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 04:45:39,116 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-20 04:45:39,117 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-20 04:45:39,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/hard1.wvr.bpl [2022-02-20 04:45:39,118 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/hard1.wvr.bpl' [2022-02-20 04:45:39,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 04:45:39,136 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-20 04:45:39,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 04:45:39,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 04:45:39,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 04:45:39,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:45:39" (1/1) ... [2022-02-20 04:45:39,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:45:39" (1/1) ... [2022-02-20 04:45:39,169 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-20 04:45:39,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 04:45:39,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 04:45:39,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 04:45:39,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 04:45:39,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:45:39" (1/1) ... [2022-02-20 04:45:39,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:45:39" (1/1) ... [2022-02-20 04:45:39,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:45:39" (1/1) ... [2022-02-20 04:45:39,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:45:39" (1/1) ... [2022-02-20 04:45:39,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:45:39" (1/1) ... [2022-02-20 04:45:39,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:45:39" (1/1) ... [2022-02-20 04:45:39,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:45:39" (1/1) ... [2022-02-20 04:45:39,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 04:45:39,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 04:45:39,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 04:45:39,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 04:45:39,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:45:39" (1/1) ... [2022-02-20 04:45:39,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 04:45:39,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:45:39,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 04:45:39,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 04:45:39,251 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-20 04:45:39,251 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-20 04:45:39,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-20 04:45:39,251 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-20 04:45:39,251 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-20 04:45:39,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-20 04:45:39,251 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-20 04:45:39,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 04:45:39,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 04:45:39,252 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-20 04:45:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-20 04:45:39,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-20 04:45:39,253 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-02-20 04:45:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-20 04:45:39,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-20 04:45:39,256 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 04:45:39,287 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 04:45:39,289 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 04:45:39,362 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 04:45:39,387 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 04:45:39,388 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 04:45:39,389 INFO L202 PluginConnector]: Adding new model hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:45:39 BoogieIcfgContainer [2022-02-20 04:45:39,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 04:45:39,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 04:45:39,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 04:45:39,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 04:45:39,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:45:39" (1/2) ... [2022-02-20 04:45:39,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b89009a and model type hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:45:39, skipping insertion in model container [2022-02-20 04:45:39,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:45:39" (2/2) ... [2022-02-20 04:45:39,398 INFO L111 eAbstractionObserver]: Analyzing ICFG hard1.wvr.bpl [2022-02-20 04:45:39,404 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 04:45:39,404 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 04:45:39,404 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 04:45:39,404 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 04:45:39,461 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-20 04:45:39,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 04:45:39,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:45:39,498 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-20 04:45:39,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-20 04:45:39,518 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 04:45:39,530 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=true, mMcrOverapproximateWrwc=true [2022-02-20 04:45:39,530 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-20 04:45:39,745 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4720 transitions and produced 1499 states. [2022-02-20 04:45:39,747 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-20 04:45:39,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:45:39,751 INFO L85 PathProgramCache]: Analyzing trace with hash 2017148938, now seen corresponding path program 1 times [2022-02-20 04:45:39,757 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:45:39,757 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694352249] [2022-02-20 04:45:39,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:45:39,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:45:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:45:40,000 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-02-20 04:45:40,001 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:45:40,001 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694352249] [2022-02-20 04:45:40,002 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694352249] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 04:45:40,002 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 04:45:40,002 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 04:45:40,003 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459842476] [2022-02-20 04:45:40,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 04:45:40,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 04:45:40,008 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:45:40,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 04:45:40,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-20 04:45:40,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:45:40,094 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:45:40,096 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) [2022-02-20 04:45:40,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:45:40,249 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3134 transitions and produced 1118 states. [2022-02-20 04:45:40,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:45:40,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 04:45:40,250 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-20 04:45:40,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:45:40,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1945404552, now seen corresponding path program 2 times [2022-02-20 04:45:40,251 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:45:40,251 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687198844] [2022-02-20 04:45:40,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:45:40,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:45:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:45:40,399 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-02-20 04:45:40,399 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:45:40,399 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687198844] [2022-02-20 04:45:40,399 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687198844] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 04:45:40,399 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 04:45:40,400 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 04:45:40,400 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266276542] [2022-02-20 04:45:40,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 04:45:40,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 04:45:40,402 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:45:40,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 04:45:40,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-20 04:45:40,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:45:40,404 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:45:40,404 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) [2022-02-20 04:45:40,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:45:40,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:45:40,462 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 428 transitions and produced 367 states. [2022-02-20 04:45:40,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:45:40,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:45:40,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 04:45:40,463 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-20 04:45:40,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:45:40,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1648269702, now seen corresponding path program 3 times [2022-02-20 04:45:40,464 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:45:40,464 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140313852] [2022-02-20 04:45:40,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:45:40,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:45:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:45:41,889 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:45:41,889 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:45:41,890 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140313852] [2022-02-20 04:45:41,890 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140313852] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:45:41,890 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338388305] [2022-02-20 04:45:41,890 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 04:45:41,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:45:41,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:45:41,903 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) [2022-02-20 04:45:41,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 04:45:41,993 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2022-02-20 04:45:41,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:45:42,010 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 104 conjunts are in the unsatisfiable core [2022-02-20 04:45:42,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:45:46,877 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:45:46,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:45:50,374 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:45:50,374 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338388305] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:45:50,374 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:45:50,375 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 51, 41] total 124 [2022-02-20 04:45:50,375 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223884370] [2022-02-20 04:45:50,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:45:50,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2022-02-20 04:45:50,376 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:45:50,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2022-02-20 04:45:50,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=567, Invalid=14933, Unknown=0, NotChecked=0, Total=15500 [2022-02-20 04:45:50,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:45:50,382 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:45:50,383 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) [2022-02-20 04:45:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:45:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:45:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:46:16,531 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 48255 transitions and produced 12205 states. [2022-02-20 04:46:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:46:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:46:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-02-20 04:46:16,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-20 04:46:16,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-20 04:46:16,733 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-20 04:46:16,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:46:16,733 INFO L85 PathProgramCache]: Analyzing trace with hash -16127602, now seen corresponding path program 4 times [2022-02-20 04:46:16,734 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:46:16,735 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844302487] [2022-02-20 04:46:16,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:46:16,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:46:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:46:17,569 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 17 proven. 345 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 04:46:17,569 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:46:17,569 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844302487] [2022-02-20 04:46:17,569 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844302487] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:46:17,569 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979020252] [2022-02-20 04:46:17,569 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-20 04:46:17,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:46:17,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:46:17,571 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:46:17,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 04:46:17,627 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-20 04:46:17,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:46:17,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 73 conjunts are in the unsatisfiable core [2022-02-20 04:46:17,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:46:18,677 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 344 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 04:46:18,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:46:20,028 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 237 proven. 125 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 04:46:20,028 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979020252] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:46:20,028 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:46:20,028 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 44, 34] total 111 [2022-02-20 04:46:20,028 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629515353] [2022-02-20 04:46:20,029 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:46:20,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2022-02-20 04:46:20,029 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:46:20,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2022-02-20 04:46:20,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2061, Invalid=10371, Unknown=0, NotChecked=0, Total=12432 [2022-02-20 04:46:20,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:46:20,033 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:46:20,033 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) [2022-02-20 04:46:20,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:46:20,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:46:20,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-02-20 04:46:20,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:46:25,699 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 89362 transitions and produced 21985 states. [2022-02-20 04:46:25,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:46:25,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:46:25,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-02-20 04:46:25,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2022-02-20 04:46:25,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 04:46:25,907 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 [2022-02-20 04:46:25,908 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-20 04:46:25,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:46:25,910 INFO L85 PathProgramCache]: Analyzing trace with hash -662992086, now seen corresponding path program 1 times [2022-02-20 04:46:25,910 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:46:25,910 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18092060] [2022-02-20 04:46:25,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:46:25,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:46:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:46:26,335 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 64 proven. 307 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2022-02-20 04:46:26,335 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:46:26,336 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18092060] [2022-02-20 04:46:26,336 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18092060] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:46:26,336 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665239796] [2022-02-20 04:46:26,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:46:26,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:46:26,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:46:26,337 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) [2022-02-20 04:46:26,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 04:46:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:46:26,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 47 conjunts are in the unsatisfiable core [2022-02-20 04:46:26,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:46:26,870 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 169 proven. 273 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-02-20 04:46:26,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:46:27,804 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 361 proven. 81 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-02-20 04:46:27,804 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665239796] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:46:27,804 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:46:27,804 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 38, 34] total 76 [2022-02-20 04:46:27,804 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397997952] [2022-02-20 04:46:27,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:46:27,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2022-02-20 04:46:27,805 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:46:27,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2022-02-20 04:46:27,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1711, Invalid=4141, Unknown=0, NotChecked=0, Total=5852 [2022-02-20 04:46:27,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:46:27,808 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:46:27,808 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) [2022-02-20 04:46:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:46:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:46:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-02-20 04:46:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2022-02-20 04:46:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:46:36,195 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 207771 transitions and produced 50755 states. [2022-02-20 04:46:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:46:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:46:36,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-02-20 04:46:36,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-02-20 04:46:36,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-20 04:46:36,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-20 04:46:36,412 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 [2022-02-20 04:46:36,413 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-20 04:46:36,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:46:36,414 INFO L85 PathProgramCache]: Analyzing trace with hash -2057342212, now seen corresponding path program 1 times [2022-02-20 04:46:36,414 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:46:36,414 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364508814] [2022-02-20 04:46:36,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:46:36,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:46:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:46:37,039 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 486 proven. 196 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-02-20 04:46:37,039 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:46:37,040 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364508814] [2022-02-20 04:46:37,040 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364508814] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:46:37,040 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554357065] [2022-02-20 04:46:37,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:46:37,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:46:37,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:46:37,041 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) [2022-02-20 04:46:37,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 04:46:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:46:37,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 59 conjunts are in the unsatisfiable core [2022-02-20 04:46:37,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:46:38,217 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 486 proven. 196 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-02-20 04:46:38,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:46:39,202 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 486 proven. 196 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-02-20 04:46:39,202 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554357065] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:46:39,202 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:46:39,202 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 59, 45] total 103 [2022-02-20 04:46:39,202 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941515811] [2022-02-20 04:46:39,202 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:46:39,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2022-02-20 04:46:39,203 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:46:39,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2022-02-20 04:46:39,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2966, Invalid=7746, Unknown=0, NotChecked=0, Total=10712 [2022-02-20 04:46:39,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:46:39,207 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:46:39,207 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) [2022-02-20 04:46:39,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:46:39,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:46:39,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-02-20 04:46:39,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-02-20 04:46:39,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-20 04:46:39,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:46:44,340 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 399310 transitions and produced 88361 states. [2022-02-20 04:46:44,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:46:44,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:46:44,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-02-20 04:46:44,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-02-20 04:46:44,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-20 04:46:44,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-02-20 04:46:44,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 04:46:44,558 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 [2022-02-20 04:46:44,558 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-20 04:46:44,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:46:44,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1924598458, now seen corresponding path program 5 times [2022-02-20 04:46:44,558 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:46:44,559 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103606860] [2022-02-20 04:46:44,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:46:44,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:46:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:46:47,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 1170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:46:47,156 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:46:47,156 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103606860] [2022-02-20 04:46:47,156 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103606860] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:46:47,156 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690998088] [2022-02-20 04:46:47,156 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-20 04:46:47,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:46:47,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:46:47,157 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) [2022-02-20 04:46:47,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 04:46:47,364 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2022-02-20 04:46:47,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:46:47,372 WARN L261 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 244 conjunts are in the unsatisfiable core [2022-02-20 04:46:47,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:46:52,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 1170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:46:52,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:46:59,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 1170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:46:59,356 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690998088] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:46:59,356 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:46:59,356 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 86, 64] total 213 [2022-02-20 04:46:59,357 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024310869] [2022-02-20 04:46:59,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:46:59,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 214 states [2022-02-20 04:46:59,357 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:46:59,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 214 interpolants. [2022-02-20 04:46:59,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1150, Invalid=44432, Unknown=0, NotChecked=0, Total=45582 [2022-02-20 04:46:59,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:46:59,363 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:46:59,363 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) [2022-02-20 04:46:59,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:46:59,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:46:59,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-02-20 04:46:59,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-02-20 04:46:59,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-20 04:46:59,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-02-20 04:46:59,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:49:39,157 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 631044 transitions and produced 138701 states. [2022-02-20 04:49:39,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:49:39,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:49:39,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-02-20 04:49:39,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-02-20 04:49:39,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-20 04:49:39,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-02-20 04:49:39,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-02-20 04:49:39,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-20 04:49:39,374 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 [2022-02-20 04:49:39,375 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-20 04:49:39,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:49:39,375 INFO L85 PathProgramCache]: Analyzing trace with hash 306750612, now seen corresponding path program 6 times [2022-02-20 04:49:39,375 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:49:39,376 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068221828] [2022-02-20 04:49:39,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:49:39,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:49:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:49:41,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 1102 proven. 797 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-20 04:49:41,060 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:49:41,060 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068221828] [2022-02-20 04:49:41,060 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068221828] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:49:41,060 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747123475] [2022-02-20 04:49:41,060 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-20 04:49:41,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:49:41,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:49:41,061 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) [2022-02-20 04:49:41,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 04:49:41,194 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 35 check-sat command(s) [2022-02-20 04:49:41,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:49:41,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 173 conjunts are in the unsatisfiable core [2022-02-20 04:49:41,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:49:44,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 302 proven. 1579 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-02-20 04:49:44,575 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:49:46,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 1148 proven. 733 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-02-20 04:49:46,690 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747123475] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:49:46,690 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:49:46,690 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92, 88, 64] total 210 [2022-02-20 04:49:46,691 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413321811] [2022-02-20 04:49:46,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:49:46,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 211 states [2022-02-20 04:49:46,691 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:49:46,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 211 interpolants. [2022-02-20 04:49:46,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8738, Invalid=35572, Unknown=0, NotChecked=0, Total=44310 [2022-02-20 04:49:46,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:49:46,698 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:49:46,698 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) [2022-02-20 04:49:46,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:49:46,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:49:46,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-02-20 04:49:46,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-02-20 04:49:46,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-20 04:49:46,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-02-20 04:49:46,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-02-20 04:49:46,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:50:07,326 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1078567 transitions and produced 232406 states. [2022-02-20 04:50:07,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:50:07,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:50:07,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-02-20 04:50:07,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-02-20 04:50:07,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-20 04:50:07,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-02-20 04:50:07,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-02-20 04:50:07,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-02-20 04:50:07,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-20 04:50:07,531 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 [2022-02-20 04:50:07,532 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-20 04:50:07,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:50:07,532 INFO L85 PathProgramCache]: Analyzing trace with hash -612339086, now seen corresponding path program 2 times [2022-02-20 04:50:07,532 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:50:07,532 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787789760] [2022-02-20 04:50:07,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:50:07,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:50:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:50:09,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 1102 proven. 1020 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-20 04:50:09,394 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:50:09,394 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787789760] [2022-02-20 04:50:09,394 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787789760] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:50:09,395 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830713121] [2022-02-20 04:50:09,395 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 04:50:09,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:50:09,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:50:09,396 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) [2022-02-20 04:50:09,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-20 04:50:09,463 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 04:50:09,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:50:09,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 186 conjunts are in the unsatisfiable core [2022-02-20 04:50:09,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:50:12,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 301 proven. 1801 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-20 04:50:12,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:50:15,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 1157 proven. 961 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-20 04:50:15,037 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830713121] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:50:15,037 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:50:15,037 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 96, 67] total 222 [2022-02-20 04:50:15,040 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839593269] [2022-02-20 04:50:15,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:50:15,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 223 states [2022-02-20 04:50:15,040 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:50:15,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2022-02-20 04:50:15,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9437, Invalid=40069, Unknown=0, NotChecked=0, Total=49506 [2022-02-20 04:50:15,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:50:15,046 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:50:15,046 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) [2022-02-20 04:50:15,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:50:15,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:50:15,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-02-20 04:50:15,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-02-20 04:50:15,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-20 04:50:15,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-02-20 04:50:15,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-02-20 04:50:15,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-02-20 04:50:15,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:50:34,861 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1140289 transitions and produced 249698 states. [2022-02-20 04:50:34,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:50:34,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:50:34,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-02-20 04:50:34,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-02-20 04:50:34,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-20 04:50:34,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-02-20 04:50:34,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-02-20 04:50:34,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-02-20 04:50:34,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2022-02-20 04:50:34,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-02-20 04:50:35,063 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 [2022-02-20 04:50:35,063 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-20 04:50:35,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:50:35,064 INFO L85 PathProgramCache]: Analyzing trace with hash -195236040, now seen corresponding path program 3 times [2022-02-20 04:50:35,064 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:50:35,064 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183155349] [2022-02-20 04:50:35,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:50:35,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:50:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:50:38,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 151 proven. 2167 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-20 04:50:38,811 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:50:38,811 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183155349] [2022-02-20 04:50:38,811 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183155349] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:50:38,811 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920163271] [2022-02-20 04:50:38,811 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 04:50:38,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:50:38,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:50:38,812 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) [2022-02-20 04:50:38,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-20 04:50:38,940 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 35 check-sat command(s) [2022-02-20 04:50:38,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:50:38,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 138 conjunts are in the unsatisfiable core [2022-02-20 04:50:38,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:50:46,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 1104 proven. 1215 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 04:50:46,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:50:52,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 1098 proven. 1223 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:50:52,121 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920163271] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:50:52,121 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:50:52,121 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 134, 107] total 306 [2022-02-20 04:50:52,121 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664881878] [2022-02-20 04:50:52,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:50:52,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 307 states [2022-02-20 04:50:52,122 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:50:52,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 307 interpolants. [2022-02-20 04:50:52,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20428, Invalid=73514, Unknown=0, NotChecked=0, Total=93942 [2022-02-20 04:50:52,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:50:52,130 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:50:52,130 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) [2022-02-20 04:50:52,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:50:52,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:50:52,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-02-20 04:50:52,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-02-20 04:50:52,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-20 04:50:52,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-02-20 04:50:52,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-02-20 04:50:52,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-02-20 04:50:52,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2022-02-20 04:50:52,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:51:28,491 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1332314 transitions and produced 293612 states. [2022-02-20 04:51:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:51:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:51:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-02-20 04:51:28,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-02-20 04:51:28,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-20 04:51:28,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-02-20 04:51:28,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-02-20 04:51:28,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-02-20 04:51:28,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2022-02-20 04:51:28,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2022-02-20 04:51:28,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-20 04:51:28,708 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 [2022-02-20 04:51:28,708 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-20 04:51:28,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:51:28,709 INFO L85 PathProgramCache]: Analyzing trace with hash -393950912, now seen corresponding path program 4 times [2022-02-20 04:51:28,709 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:51:28,709 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861209538] [2022-02-20 04:51:28,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:51:28,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:51:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:51:33,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2609 backedges. 0 proven. 2609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:51:33,169 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:51:33,169 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861209538] [2022-02-20 04:51:33,169 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861209538] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:51:33,169 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499526210] [2022-02-20 04:51:33,169 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-20 04:51:33,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:51:33,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:51:33,171 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) [2022-02-20 04:51:33,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-20 04:51:33,248 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-20 04:51:33,248 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:51:33,252 WARN L261 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 295 conjunts are in the unsatisfiable core [2022-02-20 04:51:33,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:51:37,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2609 backedges. 0 proven. 2609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:51:37,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:51:53,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2609 backedges. 0 proven. 2609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:51:53,629 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499526210] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:51:53,629 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:51:53,629 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [117, 117, 110] total 262 [2022-02-20 04:51:53,629 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861225995] [2022-02-20 04:51:53,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:51:53,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 263 states [2022-02-20 04:51:53,630 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:51:53,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 263 interpolants. [2022-02-20 04:51:53,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1138, Invalid=67768, Unknown=0, NotChecked=0, Total=68906 [2022-02-20 04:51:53,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:51:53,633 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:51:53,633 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) [2022-02-20 04:51:53,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:51:53,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:51:53,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-02-20 04:51:53,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-02-20 04:51:53,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-20 04:51:53,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-02-20 04:51:53,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-02-20 04:51:53,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-02-20 04:51:53,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2022-02-20 04:51:53,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 352 states. [2022-02-20 04:51:53,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:53:46,759 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1350266 transitions and produced 297838 states. [2022-02-20 04:53:46,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:53:46,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:53:46,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-02-20 04:53:46,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-02-20 04:53:46,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-20 04:53:46,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-02-20 04:53:46,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-02-20 04:53:46,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-02-20 04:53:46,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2022-02-20 04:53:46,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 353 states. [2022-02-20 04:53:46,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2022-02-20 04:53:46,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-20 04:53:46,960 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 [2022-02-20 04:53:46,961 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-20 04:53:46,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:53:46,961 INFO L85 PathProgramCache]: Analyzing trace with hash 2031618582, now seen corresponding path program 7 times [2022-02-20 04:53:46,961 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:53:46,961 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747992803] [2022-02-20 04:53:46,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:53:46,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:53:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:53:54,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4438 backedges. 17 proven. 4419 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 04:53:54,600 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:53:54,600 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747992803] [2022-02-20 04:53:54,600 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747992803] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:53:54,600 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239853859] [2022-02-20 04:53:54,600 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-20 04:53:54,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:53:54,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:53:54,601 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) [2022-02-20 04:53:54,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-20 04:53:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:53:54,721 WARN L261 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 285 conjunts are in the unsatisfiable core [2022-02-20 04:53:54,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:54:01,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4438 backedges. 5 proven. 4431 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 04:54:01,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:54:16,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4438 backedges. 2316 proven. 2120 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 04:54:16,993 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239853859] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:54:16,993 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:54:16,993 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [186, 145, 101] total 383 [2022-02-20 04:54:16,993 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727849234] [2022-02-20 04:54:16,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:54:16,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2022-02-20 04:54:16,994 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:54:16,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2022-02-20 04:54:17,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19015, Invalid=128057, Unknown=0, NotChecked=0, Total=147072 [2022-02-20 04:54:17,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:54:17,001 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:54:17,002 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) [2022-02-20 04:54:17,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:54:17,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 04:54:17,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-02-20 04:54:17,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-02-20 04:54:17,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-20 04:54:17,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-02-20 04:54:17,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-02-20 04:54:17,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-02-20 04:54:17,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2022-02-20 04:54:17,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 353 states. [2022-02-20 04:54:17,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2022-02-20 04:54:17,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.