java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:40:26,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:40:26,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:40:26,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-15 01:40:26,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:40:26,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:40:26,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:40:26,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:40:26,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:40:26,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:40:26,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:40:26,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:40:26,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:40:26,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:40:26,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:40:26,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:40:26,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 01:40:26,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:40:26,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:40:26,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:40:26,219 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:40:26,255 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:40:26,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:40:26,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:40:26,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:40:26,260 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:40:26,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:40:26,260 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:40:26,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:40:26,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:40:26,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:40:26,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:40:26,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:40:26,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:40:26,262 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:40:26,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:40:26,262 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:40:26,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:40:26,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:40:26,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:40:26,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:40:26,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:40:26,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:40:26,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:40:26,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:40:26,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:40:26,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:40:26,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:40:26,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:40:26,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 01:40:26,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:40:26,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:40:26,565 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:40:26,566 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:40:26,566 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:40:26,567 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label43.c [2019-10-15 01:40:26,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb9c318e9/40bf54c5f1df45b69f0276b012b9b2b5/FLAG3509ecf55 [2019-10-15 01:40:27,154 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:40:27,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label43.c [2019-10-15 01:40:27,179 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb9c318e9/40bf54c5f1df45b69f0276b012b9b2b5/FLAG3509ecf55 [2019-10-15 01:40:27,455 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb9c318e9/40bf54c5f1df45b69f0276b012b9b2b5 [2019-10-15 01:40:27,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:40:27,467 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:40:27,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:40:27,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:40:27,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:40:27,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:40:27" (1/1) ... [2019-10-15 01:40:27,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760969a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:27, skipping insertion in model container [2019-10-15 01:40:27,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:40:27" (1/1) ... [2019-10-15 01:40:27,486 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:40:27,542 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:40:28,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:40:28,065 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:40:28,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:40:28,249 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:40:28,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:28 WrapperNode [2019-10-15 01:40:28,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:40:28,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:40:28,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:40:28,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:40:28,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:28" (1/1) ... [2019-10-15 01:40:28,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:28" (1/1) ... [2019-10-15 01:40:28,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:28" (1/1) ... [2019-10-15 01:40:28,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:28" (1/1) ... [2019-10-15 01:40:28,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:28" (1/1) ... [2019-10-15 01:40:28,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:28" (1/1) ... [2019-10-15 01:40:28,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:28" (1/1) ... [2019-10-15 01:40:28,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:40:28,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:40:28,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:40:28,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:40:28,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:40:28,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:40:28,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:40:28,407 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 01:40:28,407 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:40:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 01:40:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:40:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:40:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:40:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:40:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:40:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:40:30,305 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:40:30,305 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 01:40:30,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:40:30 BoogieIcfgContainer [2019-10-15 01:40:30,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:40:30,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:40:30,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:40:30,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:40:30,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:40:27" (1/3) ... [2019-10-15 01:40:30,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11806ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:40:30, skipping insertion in model container [2019-10-15 01:40:30,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:28" (2/3) ... [2019-10-15 01:40:30,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11806ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:40:30, skipping insertion in model container [2019-10-15 01:40:30,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:40:30" (3/3) ... [2019-10-15 01:40:30,314 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label43.c [2019-10-15 01:40:30,324 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:40:30,333 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:40:30,344 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:40:30,373 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:40:30,373 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:40:30,373 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:40:30,373 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:40:30,374 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:40:30,374 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:40:30,374 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:40:30,374 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:40:30,394 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2019-10-15 01:40:30,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-15 01:40:30,403 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:40:30,404 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:40:30,407 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:40:30,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:40:30,413 INFO L82 PathProgramCache]: Analyzing trace with hash 826825572, now seen corresponding path program 1 times [2019-10-15 01:40:30,423 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:40:30,424 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147016651] [2019-10-15 01:40:30,424 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:30,424 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:30,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:40:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:30,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:30,861 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147016651] [2019-10-15 01:40:30,863 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:40:30,863 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:40:30,864 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007674584] [2019-10-15 01:40:30,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:40:30,870 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:40:30,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:40:30,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:40:30,891 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 3 states. [2019-10-15 01:40:31,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:40:31,456 INFO L93 Difference]: Finished difference Result 246 states and 454 transitions. [2019-10-15 01:40:31,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:40:31,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-10-15 01:40:31,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:40:31,483 INFO L225 Difference]: With dead ends: 246 [2019-10-15 01:40:31,484 INFO L226 Difference]: Without dead ends: 157 [2019-10-15 01:40:31,490 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:40:31,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-10-15 01:40:31,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-10-15 01:40:31,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-10-15 01:40:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 285 transitions. [2019-10-15 01:40:31,628 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 285 transitions. Word has length 77 [2019-10-15 01:40:31,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:40:31,630 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 285 transitions. [2019-10-15 01:40:31,630 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:40:31,631 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 285 transitions. [2019-10-15 01:40:31,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-15 01:40:31,638 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:40:31,639 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:40:31,640 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:40:31,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:40:31,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1022490661, now seen corresponding path program 1 times [2019-10-15 01:40:31,641 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:40:31,642 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413941596] [2019-10-15 01:40:31,642 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:31,642 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:31,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:40:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:31,808 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:31,809 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413941596] [2019-10-15 01:40:31,810 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:40:31,810 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:40:31,810 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045563334] [2019-10-15 01:40:31,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:40:31,813 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:40:31,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:40:31,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:40:31,814 INFO L87 Difference]: Start difference. First operand 157 states and 285 transitions. Second operand 5 states. [2019-10-15 01:40:32,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:40:32,355 INFO L93 Difference]: Finished difference Result 479 states and 892 transitions. [2019-10-15 01:40:32,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:40:32,356 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 86 [2019-10-15 01:40:32,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:40:32,360 INFO L225 Difference]: With dead ends: 479 [2019-10-15 01:40:32,360 INFO L226 Difference]: Without dead ends: 327 [2019-10-15 01:40:32,363 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:40:32,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2019-10-15 01:40:32,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 317. [2019-10-15 01:40:32,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2019-10-15 01:40:32,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 546 transitions. [2019-10-15 01:40:32,398 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 546 transitions. Word has length 86 [2019-10-15 01:40:32,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:40:32,399 INFO L462 AbstractCegarLoop]: Abstraction has 317 states and 546 transitions. [2019-10-15 01:40:32,399 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:40:32,399 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 546 transitions. [2019-10-15 01:40:32,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-10-15 01:40:32,403 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:40:32,403 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:40:32,404 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:40:32,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:40:32,404 INFO L82 PathProgramCache]: Analyzing trace with hash -498195732, now seen corresponding path program 1 times [2019-10-15 01:40:32,404 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:40:32,405 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466277623] [2019-10-15 01:40:32,405 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:32,405 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:32,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:40:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:32,552 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:32,553 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466277623] [2019-10-15 01:40:32,553 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244181595] [2019-10-15 01:40:32,553 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:40:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:32,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:40:32,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:40:32,741 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-15 01:40:32,741 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:40:32,810 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-15 01:40:32,811 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 01:40:32,812 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2019-10-15 01:40:32,812 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754341943] [2019-10-15 01:40:32,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:40:32,814 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:40:32,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:40:32,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:40:32,815 INFO L87 Difference]: Start difference. First operand 317 states and 546 transitions. Second operand 3 states. [2019-10-15 01:40:33,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:40:33,217 INFO L93 Difference]: Finished difference Result 939 states and 1681 transitions. [2019-10-15 01:40:33,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:40:33,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2019-10-15 01:40:33,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:40:33,225 INFO L225 Difference]: With dead ends: 939 [2019-10-15 01:40:33,226 INFO L226 Difference]: Without dead ends: 627 [2019-10-15 01:40:33,229 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 220 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:40:33,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2019-10-15 01:40:33,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 475. [2019-10-15 01:40:33,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2019-10-15 01:40:33,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 800 transitions. [2019-10-15 01:40:33,276 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 800 transitions. Word has length 111 [2019-10-15 01:40:33,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:40:33,277 INFO L462 AbstractCegarLoop]: Abstraction has 475 states and 800 transitions. [2019-10-15 01:40:33,278 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:40:33,278 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 800 transitions. [2019-10-15 01:40:33,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-15 01:40:33,282 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:40:33,282 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:40:33,491 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:40:33,492 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:40:33,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:40:33,492 INFO L82 PathProgramCache]: Analyzing trace with hash 528999026, now seen corresponding path program 1 times [2019-10-15 01:40:33,493 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:40:33,493 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986297349] [2019-10-15 01:40:33,493 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:33,493 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:33,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:40:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:33,737 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:33,738 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986297349] [2019-10-15 01:40:33,738 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827099453] [2019-10-15 01:40:33,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:40:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:33,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:40:33,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:40:33,917 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:33,917 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:40:34,054 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:34,055 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [411491411] [2019-10-15 01:40:34,098 INFO L162 IcfgInterpreter]: Started Sifa with 81 locations of interest [2019-10-15 01:40:34,099 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 01:40:34,105 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 01:40:34,114 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 01:40:34,115 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 01:40:34,368 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 100 for LOIs [2019-10-15 01:40:35,595 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 178 [2019-10-15 01:40:36,663 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 138 for LOIs [2019-10-15 01:40:37,158 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-10-15 01:40:37,322 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-10-15 01:40:37,526 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:37,754 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-10-15 01:40:37,856 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-10-15 01:40:38,240 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:40:38,365 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:40:38,743 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:40:38,882 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:40:39,021 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:40:39,316 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:39,470 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:39,626 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-15 01:40:40,247 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:40,376 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:40,566 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-10-15 01:40:40,775 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:40,909 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:41,034 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-10-15 01:40:41,222 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:41,339 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:41,465 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-15 01:40:41,882 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:41,999 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:42,122 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-10-15 01:40:42,311 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:42,428 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:42,558 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-15 01:40:42,976 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:43,112 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:43,239 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:40:43,436 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:43,552 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:43,680 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-15 01:40:43,892 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:44,009 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:44,133 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-15 01:40:44,306 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:44,422 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:44,545 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-10-15 01:40:44,749 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:44,866 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:44,992 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-10-15 01:40:45,183 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:45,300 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:45,427 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:40:45,648 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:45,765 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:40:45,890 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:46,052 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:46,163 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:46,283 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-10-15 01:40:46,460 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:46,591 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:46,710 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-15 01:40:46,896 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:47,007 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:47,138 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-15 01:40:47,349 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:47,461 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:47,584 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-15 01:40:47,749 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:47,861 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:47,982 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-10-15 01:40:48,159 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:48,271 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:48,393 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-10-15 01:40:48,580 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:48,694 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:48,815 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:40:48,997 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:49,109 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:49,231 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:40:49,419 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:49,536 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:49,657 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-10-15 01:40:49,843 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:49,954 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:50,075 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-10-15 01:40:50,401 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:50,533 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:50,651 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-15 01:40:50,815 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:50,927 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:51,048 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-10-15 01:40:51,230 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:51,341 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:51,459 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-15 01:40:51,626 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:51,738 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:51,857 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-10-15 01:40:52,022 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:52,134 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:52,257 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-10-15 01:40:52,439 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:52,561 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:52,685 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-15 01:40:52,853 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:52,964 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:40:53,083 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:40:53,239 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:40:53,347 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:40:53,459 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-15 01:40:53,613 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:40:53,722 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:40:53,836 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-10-15 01:40:53,986 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:40:54,093 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:40:54,207 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-10-15 01:40:54,365 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:40:54,472 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:40:54,596 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:54,782 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:40:54,888 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:40:55,004 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-15 01:40:55,160 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:40:55,267 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:40:55,378 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-15 01:40:55,532 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:40:55,639 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:40:55,753 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-10-15 01:40:56,095 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-15 01:40:56,431 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-10-15 01:40:57,014 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-10-15 01:40:57,126 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:40:57,482 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:40:58,304 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:40:58,661 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:40:59,180 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-10-15 01:40:59,378 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-10-15 01:40:59,622 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-10-15 01:40:59,726 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-10-15 01:41:00,741 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-10-15 01:41:01,087 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-15 01:41:01,420 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-10-15 01:41:04,672 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 187 [2019-10-15 01:41:04,674 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 21 [2019-10-15 01:41:05,509 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 119844 conjuctions. This might take some time...