/usr/bin/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_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:35:22,726 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-11-07 01:35:22,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:35:22,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:35:22,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:35:22,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:35:22,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:35:22,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:35:22,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:35:22,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:35:22,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:35:22,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:35:22,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:35:22,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:35:22,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 01:35:22,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:35:22,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:35:22,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:35:22,804 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 [2019-11-07 01:35:22,840 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:35:22,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:35:22,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:35:22,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:35:22,842 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:35:22,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:35:22,842 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:35:22,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:35:22,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:35:22,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:35:22,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:35:22,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:35:22,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:35:22,844 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:35:22,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:35:22,844 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:35:22,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:35:22,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:35:22,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:35:22,845 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:35:22,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:35:22,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:35:22,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:35:22,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:35:22,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:35:22,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:35:22,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:35:22,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:35:22,846 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 [2019-11-07 01:35:23,134 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:35:23,152 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:35:23,155 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:35:23,157 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:35:23,157 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:35:23,158 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label33.c [2019-11-07 01:35:23,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2c54b720/b00a0c1f1f6c40acb5d2ed6ad6586c7e/FLAGc9bd1a8cb [2019-11-07 01:35:23,863 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:35:23,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label33.c [2019-11-07 01:35:23,885 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2c54b720/b00a0c1f1f6c40acb5d2ed6ad6586c7e/FLAGc9bd1a8cb [2019-11-07 01:35:24,104 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2c54b720/b00a0c1f1f6c40acb5d2ed6ad6586c7e [2019-11-07 01:35:24,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:35:24,117 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:35:24,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:35:24,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:35:24,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:35:24,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:24" (1/1) ... [2019-11-07 01:35:24,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@473fe89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:24, skipping insertion in model container [2019-11-07 01:35:24,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:24" (1/1) ... [2019-11-07 01:35:24,135 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:35:24,196 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:35:24,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:35:24,739 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:35:24,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:35:24,901 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:35:24,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:24 WrapperNode [2019-11-07 01:35:24,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:35:24,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:35:24,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:35:24,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:35:24,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:24" (1/1) ... [2019-11-07 01:35:24,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:24" (1/1) ... [2019-11-07 01:35:24,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:24" (1/1) ... [2019-11-07 01:35:24,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:24" (1/1) ... [2019-11-07 01:35:24,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:24" (1/1) ... [2019-11-07 01:35:25,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:24" (1/1) ... [2019-11-07 01:35:25,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:24" (1/1) ... [2019-11-07 01:35:25,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:35:25,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:35:25,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:35:25,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:35:25,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:24" (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 [2019-11-07 01:35:25,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:35:25,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:35:25,095 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 01:35:25,095 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:35:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 01:35:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:35:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:35:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 01:35:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:35:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:35:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:35:27,008 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:35:27,008 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 01:35:27,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:35:27 BoogieIcfgContainer [2019-11-07 01:35:27,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:35:27,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:35:27,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:35:27,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:35:27,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:35:24" (1/3) ... [2019-11-07 01:35:27,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1064a665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:35:27, skipping insertion in model container [2019-11-07 01:35:27,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:24" (2/3) ... [2019-11-07 01:35:27,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1064a665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:35:27, skipping insertion in model container [2019-11-07 01:35:27,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:35:27" (3/3) ... [2019-11-07 01:35:27,018 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label33.c [2019-11-07 01:35:27,029 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:35:27,038 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:35:27,050 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:35:27,077 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:35:27,077 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:35:27,077 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:35:27,077 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:35:27,077 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:35:27,078 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:35:27,078 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:35:27,078 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:35:27,104 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2019-11-07 01:35:27,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-07 01:35:27,114 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:35:27,115 INFO L410 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] [2019-11-07 01:35:27,117 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:35:27,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:35:27,122 INFO L82 PathProgramCache]: Analyzing trace with hash 826786569, now seen corresponding path program 1 times [2019-11-07 01:35:27,130 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:35:27,131 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532886974] [2019-11-07 01:35:27,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:35:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:35:27,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:35:27,659 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532886974] [2019-11-07 01:35:27,660 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:35:27,661 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:35:27,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697934662] [2019-11-07 01:35:27,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:35:27,669 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:35:27,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:35:27,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:35:27,692 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 3 states. [2019-11-07 01:35:28,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:35:28,261 INFO L93 Difference]: Finished difference Result 246 states and 454 transitions. [2019-11-07 01:35:28,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:35:28,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-11-07 01:35:28,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:35:28,284 INFO L225 Difference]: With dead ends: 246 [2019-11-07 01:35:28,284 INFO L226 Difference]: Without dead ends: 157 [2019-11-07 01:35:28,291 INFO L630 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 [2019-11-07 01:35:28,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-11-07 01:35:28,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-11-07 01:35:28,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-11-07 01:35:28,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 273 transitions. [2019-11-07 01:35:28,391 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 273 transitions. Word has length 77 [2019-11-07 01:35:28,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:35:28,393 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 273 transitions. [2019-11-07 01:35:28,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:35:28,393 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 273 transitions. [2019-11-07 01:35:28,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-07 01:35:28,401 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:35:28,402 INFO L410 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] [2019-11-07 01:35:28,402 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:35:28,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:35:28,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1195700064, now seen corresponding path program 1 times [2019-11-07 01:35:28,403 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:35:28,403 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312752742] [2019-11-07 01:35:28,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:35:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:35:28,587 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:35:28,588 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312752742] [2019-11-07 01:35:28,589 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:35:28,589 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:35:28,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093655507] [2019-11-07 01:35:28,591 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:35:28,592 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:35:28,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:35:28,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:35:28,593 INFO L87 Difference]: Start difference. First operand 157 states and 273 transitions. Second operand 6 states. [2019-11-07 01:35:29,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:35:29,227 INFO L93 Difference]: Finished difference Result 479 states and 861 transitions. [2019-11-07 01:35:29,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:35:29,228 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2019-11-07 01:35:29,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:35:29,234 INFO L225 Difference]: With dead ends: 479 [2019-11-07 01:35:29,234 INFO L226 Difference]: Without dead ends: 327 [2019-11-07 01:35:29,237 INFO L630 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 [2019-11-07 01:35:29,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2019-11-07 01:35:29,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 315. [2019-11-07 01:35:29,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-11-07 01:35:29,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 544 transitions. [2019-11-07 01:35:29,272 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 544 transitions. Word has length 87 [2019-11-07 01:35:29,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:35:29,272 INFO L462 AbstractCegarLoop]: Abstraction has 315 states and 544 transitions. [2019-11-07 01:35:29,272 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:35:29,273 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 544 transitions. [2019-11-07 01:35:29,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-07 01:35:29,276 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:35:29,276 INFO L410 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] [2019-11-07 01:35:29,277 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:35:29,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:35:29,277 INFO L82 PathProgramCache]: Analyzing trace with hash -2128721668, now seen corresponding path program 1 times [2019-11-07 01:35:29,277 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:35:29,278 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784330684] [2019-11-07 01:35:29,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:35:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:35:29,387 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:35:29,388 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784330684] [2019-11-07 01:35:29,388 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:35:29,389 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:35:29,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160158977] [2019-11-07 01:35:29,389 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:35:29,390 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:35:29,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:35:29,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:35:29,391 INFO L87 Difference]: Start difference. First operand 315 states and 544 transitions. Second operand 3 states. [2019-11-07 01:35:29,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:35:29,794 INFO L93 Difference]: Finished difference Result 852 states and 1503 transitions. [2019-11-07 01:35:29,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:35:29,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2019-11-07 01:35:29,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:35:29,804 INFO L225 Difference]: With dead ends: 852 [2019-11-07 01:35:29,804 INFO L226 Difference]: Without dead ends: 542 [2019-11-07 01:35:29,808 INFO L630 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 [2019-11-07 01:35:29,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2019-11-07 01:35:29,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 540. [2019-11-07 01:35:29,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2019-11-07 01:35:29,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 860 transitions. [2019-11-07 01:35:29,850 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 860 transitions. Word has length 88 [2019-11-07 01:35:29,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:35:29,851 INFO L462 AbstractCegarLoop]: Abstraction has 540 states and 860 transitions. [2019-11-07 01:35:29,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:35:29,852 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 860 transitions. [2019-11-07 01:35:29,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-07 01:35:29,858 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:35:29,858 INFO L410 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] [2019-11-07 01:35:29,859 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:35:29,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:35:29,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1484553217, now seen corresponding path program 1 times [2019-11-07 01:35:29,859 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:35:29,859 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513942203] [2019-11-07 01:35:29,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:35:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:35:29,943 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:35:29,944 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513942203] [2019-11-07 01:35:29,944 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769244576] [2019-11-07 01:35:29,944 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 [2019-11-07 01:35:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:35:30,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-07 01:35:30,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:35:30,195 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:35:30,196 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:35:30,344 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:35:30,344 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1479243568] [2019-11-07 01:35:30,404 INFO L159 IcfgInterpreter]: Started Sifa with 81 locations of interest [2019-11-07 01:35:30,404 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 01:35:30,413 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 01:35:30,420 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 01:35:30,421 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 01:35:30,645 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 100 for LOIs [2019-11-07 01:35:32,131 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 138 for LOIs [2019-11-07 01:35:32,345 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-11-07 01:35:32,473 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-11-07 01:35:32,760 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-07 01:35:32,917 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-07 01:35:33,412 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-07 01:35:33,706 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-07 01:35:33,991 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-07 01:35:34,194 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-07 01:35:34,583 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:34,761 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:35,482 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:35,679 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:36,016 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:36,324 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:36,835 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:37,097 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:37,694 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:37,857 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:38,117 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:38,278 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:38,753 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:38,909 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:39,182 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:39,371 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:39,614 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:39,771 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:39,977 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:40,271 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:40,624 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:40,807 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:41,056 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:41,239 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:41,478 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:41,634 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:41,871 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:42,026 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 01:35:42,262 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:42,431 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:42,664 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:42,814 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:43,161 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:43,413 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:43,797 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:44,063 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:44,428 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:44,681 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:44,887 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:45,084 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:45,297 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:45,450 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:45,680 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:45,916 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:46,209 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:46,360 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:46,691 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:46,996 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:47,765 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:48,042 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:48,290 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:48,462 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:48,741 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:48,894 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:49,166 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:49,325 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:49,532 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:49,698 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:49,958 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:50,140 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:50,374 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:50,586 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-07 01:35:50,806 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-07 01:35:50,971 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-07 01:35:51,197 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-07 01:35:51,389 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-07 01:35:51,702 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-07 01:35:51,983 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-07 01:35:52,215 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-07 01:35:52,428 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-07 01:35:52,767 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-07 01:35:53,026 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-07 01:35:53,296 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-07 01:35:53,554 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-07 01:35:53,795 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-07 01:35:54,135 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-07 01:35:54,471 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:54,724 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:54,961 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:55,092 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:55,271 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:55,400 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:55,578 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:55,729 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:56,051 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:56,297 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:56,652 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:56,781 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:56,958 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:57,090 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:57,338 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:57,576 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:57,777 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:57,906 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:58,137 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:58,268 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:58,524 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:58,768 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:59,049 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:59,179 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:59,358 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:59,488 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:59,664 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:59,795 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:35:59,977 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:36:00,106 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-07 01:36:00,278 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-07 01:36:00,416 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-07 01:36:00,623 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-07 01:36:00,749 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-07 01:36:00,951 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-07 01:36:01,094 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-07 01:36:01,293 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-07 01:36:01,436 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-07 01:36:01,634 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-07 01:36:01,775 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-07 01:36:01,989 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-07 01:36:02,222 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-07 01:36:02,423 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-07 01:36:02,569 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-07 01:36:02,849 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-07 01:36:02,993 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-07 01:36:03,175 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-07 01:36:03,313 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-07 01:36:03,503 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-07 01:36:03,657 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-07 01:36:03,671 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-11-07 01:36:03,878 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 61416 conjuctions. This might take some time...