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_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:39:43,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:39:43,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:39:43,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-15 01:39:43,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:39:43,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:39:43,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:39:43,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:39:43,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:39:43,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:39:43,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:39:43,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:39:43,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:39:43,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:39:43,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:39:43,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:39:43,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 01:39:43,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:39:43,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:39:43,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:39:43,104 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 01:39:43,117 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:39:43,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:39:43,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:39:43,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:39:43,119 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:39:43,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:39:43,120 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:39:43,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:39:43,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:39:43,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:39:43,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:39:43,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:39:43,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:39:43,121 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:39:43,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:39:43,121 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:39:43,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:39:43,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:39:43,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:39:43,122 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:39:43,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:39:43,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:39:43,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:39:43,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:39:43,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:39:43,123 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:39:43,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:39:43,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:39:43,124 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 01:39:43,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:39:43,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:39:43,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:39:43,408 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:39:43,408 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:39:43,409 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label21.c [2019-10-15 01:39:43,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61782b5af/ac551752547843df970978fc41621cdd/FLAGbb1329b05 [2019-10-15 01:39:44,055 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:39:44,056 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label21.c [2019-10-15 01:39:44,073 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61782b5af/ac551752547843df970978fc41621cdd/FLAGbb1329b05 [2019-10-15 01:39:44,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61782b5af/ac551752547843df970978fc41621cdd [2019-10-15 01:39:44,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:39:44,323 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:39:44,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:39:44,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:39:44,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:39:44,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:39:44" (1/1) ... [2019-10-15 01:39:44,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c32c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:44, skipping insertion in model container [2019-10-15 01:39:44,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:39:44" (1/1) ... [2019-10-15 01:39:44,343 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:39:44,406 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:39:44,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:39:44,948 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:39:45,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:39:45,131 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:39:45,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:45 WrapperNode [2019-10-15 01:39:45,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:39:45,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:39:45,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:39:45,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:39:45,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:45" (1/1) ... [2019-10-15 01:39:45,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:45" (1/1) ... [2019-10-15 01:39:45,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:45" (1/1) ... [2019-10-15 01:39:45,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:45" (1/1) ... [2019-10-15 01:39:45,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:45" (1/1) ... [2019-10-15 01:39:45,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:45" (1/1) ... [2019-10-15 01:39:45,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:45" (1/1) ... [2019-10-15 01:39:45,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:39:45,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:39:45,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:39:45,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:39:45,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:45" (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 01:39:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:39:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:39:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 01:39:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:39:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 01:39:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:39:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:39:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:39:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:39:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:39:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:39:47,341 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:39:47,342 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 01:39:47,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:39:47 BoogieIcfgContainer [2019-10-15 01:39:47,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:39:47,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:39:47,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:39:47,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:39:47,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:39:44" (1/3) ... [2019-10-15 01:39:47,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28742487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:39:47, skipping insertion in model container [2019-10-15 01:39:47,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:45" (2/3) ... [2019-10-15 01:39:47,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28742487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:39:47, skipping insertion in model container [2019-10-15 01:39:47,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:39:47" (3/3) ... [2019-10-15 01:39:47,352 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label21.c [2019-10-15 01:39:47,363 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:39:47,372 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:39:47,384 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:39:47,412 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:39:47,412 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:39:47,412 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:39:47,413 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:39:47,413 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:39:47,413 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:39:47,413 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:39:47,413 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:39:47,436 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2019-10-15 01:39:47,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-15 01:39:47,446 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:39:47,447 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 01:39:47,449 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:39:47,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:39:47,456 INFO L82 PathProgramCache]: Analyzing trace with hash 826811169, now seen corresponding path program 1 times [2019-10-15 01:39:47,466 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:39:47,466 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139690730] [2019-10-15 01:39:47,467 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:39:47,467 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:39:47,467 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:39:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:39:47,958 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 01:39:47,959 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139690730] [2019-10-15 01:39:47,960 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:39:47,961 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:39:47,962 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577000523] [2019-10-15 01:39:47,968 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:39:47,969 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:39:47,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:39:47,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:39:47,988 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 3 states. [2019-10-15 01:39:48,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:39:48,509 INFO L93 Difference]: Finished difference Result 246 states and 454 transitions. [2019-10-15 01:39:48,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:39:48,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-10-15 01:39:48,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:39:48,533 INFO L225 Difference]: With dead ends: 246 [2019-10-15 01:39:48,533 INFO L226 Difference]: Without dead ends: 157 [2019-10-15 01:39:48,539 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 3 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 01:39:48,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-10-15 01:39:48,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-10-15 01:39:48,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-10-15 01:39:48,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 273 transitions. [2019-10-15 01:39:48,624 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 273 transitions. Word has length 77 [2019-10-15 01:39:48,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:39:48,625 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 273 transitions. [2019-10-15 01:39:48,625 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:39:48,625 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 273 transitions. [2019-10-15 01:39:48,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-15 01:39:48,630 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:39:48,630 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:39:48,630 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:39:48,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:39:48,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1195675464, now seen corresponding path program 1 times [2019-10-15 01:39:48,631 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:39:48,631 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290205511] [2019-10-15 01:39:48,632 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:39:48,632 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:39:48,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:39:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:39:48,751 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:39:48,751 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290205511] [2019-10-15 01:39:48,751 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:39:48,752 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:39:48,752 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087817147] [2019-10-15 01:39:48,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:39:48,754 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:39:48,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:39:48,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:39:48,755 INFO L87 Difference]: Start difference. First operand 157 states and 273 transitions. Second operand 6 states. [2019-10-15 01:39:49,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:39:49,334 INFO L93 Difference]: Finished difference Result 479 states and 861 transitions. [2019-10-15 01:39:49,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:39:49,335 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2019-10-15 01:39:49,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:39:49,339 INFO L225 Difference]: With dead ends: 479 [2019-10-15 01:39:49,340 INFO L226 Difference]: Without dead ends: 327 [2019-10-15 01:39:49,342 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:39:49,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2019-10-15 01:39:49,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 315. [2019-10-15 01:39:49,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-10-15 01:39:49,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 544 transitions. [2019-10-15 01:39:49,373 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 544 transitions. Word has length 87 [2019-10-15 01:39:49,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:39:49,374 INFO L462 AbstractCegarLoop]: Abstraction has 315 states and 544 transitions. [2019-10-15 01:39:49,374 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:39:49,374 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 544 transitions. [2019-10-15 01:39:49,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:39:49,378 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:39:49,378 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:39:49,378 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:39:49,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:39:49,379 INFO L82 PathProgramCache]: Analyzing trace with hash -2128697068, now seen corresponding path program 1 times [2019-10-15 01:39:49,379 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:39:49,379 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978269775] [2019-10-15 01:39:49,380 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:39:49,380 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:39:49,380 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:39:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:39:49,496 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:39:49,496 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978269775] [2019-10-15 01:39:49,496 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:39:49,497 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:39:49,497 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28449658] [2019-10-15 01:39:49,497 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:39:49,498 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:39:49,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:39:49,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:39:49,498 INFO L87 Difference]: Start difference. First operand 315 states and 544 transitions. Second operand 3 states. [2019-10-15 01:39:49,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:39:49,857 INFO L93 Difference]: Finished difference Result 852 states and 1498 transitions. [2019-10-15 01:39:49,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:39:49,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2019-10-15 01:39:49,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:39:49,864 INFO L225 Difference]: With dead ends: 852 [2019-10-15 01:39:49,864 INFO L226 Difference]: Without dead ends: 542 [2019-10-15 01:39:49,866 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 01:39:49,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2019-10-15 01:39:49,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 542. [2019-10-15 01:39:49,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-10-15 01:39:49,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 895 transitions. [2019-10-15 01:39:49,918 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 895 transitions. Word has length 88 [2019-10-15 01:39:49,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:39:49,918 INFO L462 AbstractCegarLoop]: Abstraction has 542 states and 895 transitions. [2019-10-15 01:39:49,918 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:39:49,919 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 895 transitions. [2019-10-15 01:39:49,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 01:39:49,929 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:39:49,929 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2019-10-15 01:39:49,930 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:39:49,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:39:49,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1484528617, now seen corresponding path program 1 times [2019-10-15 01:39:49,930 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:39:49,931 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891043154] [2019-10-15 01:39:49,931 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:39:49,931 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:39:49,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:39:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:39:50,052 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:39:50,053 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891043154] [2019-10-15 01:39:50,054 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036326441] [2019-10-15 01:39:50,054 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 01:39:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:39:50,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:39:50,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:39:50,292 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:39:50,292 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:39:50,408 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:39:50,409 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [175528269] [2019-10-15 01:39:50,440 INFO L162 IcfgInterpreter]: Started Sifa with 81 locations of interest [2019-10-15 01:39:50,440 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 01:39:50,448 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 01:39:50,456 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 01:39:50,457 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 01:39:50,873 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 100 for LOIs [2019-10-15 01:39:52,212 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-10-15 01:39:53,471 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 138 for LOIs [2019-10-15 01:39:54,070 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-10-15 01:39:54,190 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-10-15 01:39:54,316 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-15 01:39:54,598 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-10-15 01:39:54,811 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-10-15 01:39:55,006 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-15 01:39:55,414 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-10-15 01:39:55,775 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-10-15 01:39:56,233 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-10-15 01:39:56,439 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-10-15 01:39:56,654 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-10-15 01:39:57,078 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:57,313 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:57,533 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 01:39:58,466 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:58,641 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:58,851 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:39:59,141 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:59,297 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:59,471 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:39:59,824 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:59,979 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:00,150 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 01:40:00,767 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:00,923 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:01,085 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:40:01,338 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:01,491 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:01,665 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 01:40:02,286 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:02,442 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:02,605 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 01:40:02,873 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:03,028 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:03,196 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 01:40:03,483 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:03,636 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:03,924 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:04,078 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:04,243 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-10-15 01:40:04,480 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:04,635 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:04,800 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:40:05,023 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:05,179 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:05,339 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:40:05,610 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:05,764 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:05,954 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 01:40:06,208 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:06,364 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:06,528 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-10-15 01:40:06,862 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:07,012 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:07,180 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:07,402 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:07,562 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:07,719 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:07,953 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:08,118 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:08,280 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:08,514 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:08,665 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:08,824 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:09,041 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:09,192 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:09,355 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:40:09,567 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:09,718 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:09,878 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:10,095 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:10,244 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:10,422 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-10-15 01:40:10,667 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:10,819 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:10,981 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-10-15 01:40:11,224 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:11,375 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:11,539 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:11,781 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:11,931 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:12,090 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:12,567 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:12,718 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:12,876 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:13,140 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:13,289 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:13,452 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:13,713 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:13,863 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:14,021 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:14,235 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:14,385 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:14,543 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:40:14,753 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:14,916 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:15,088 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:15,327 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:15,477 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:15,632 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:15,843 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:15,992 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:16,151 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-15 01:40:16,355 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:16,499 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:16,650 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:16,851 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:16,994 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:17,145 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:40:17,359 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:17,503 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:17,655 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-10-15 01:40:17,864 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:18,007 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:18,161 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-10-15 01:40:18,392 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:18,540 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:18,700 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:18,902 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:19,048 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:19,195 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:19,398 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:19,542 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:19,708 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-10-15 01:40:19,891 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:20,019 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:20,153 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:20,337 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:20,464 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:20,634 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:40:20,817 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:20,949 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:21,082 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:40:21,268 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:21,395 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:21,531 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-15 01:40:21,744 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:21,871 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:22,015 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 01:40:22,434 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:22,562 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:22,695 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-10-15 01:40:22,881 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:23,009 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:23,145 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 01:40:23,362 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:23,491 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:23,629 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 01:40:23,846 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:23,973 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:24,109 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 171