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_label32.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:40:00,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:40:00,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:40:00,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-15 01:40:00,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:40:00,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:40:00,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:40:00,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:40:00,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:40:00,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:40:00,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:40:00,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:40:00,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:40:00,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:40:00,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:40:00,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:40:00,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 01:40:00,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:40:00,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:40:00,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:40:00,440 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:40:00,460 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:40:00,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:40:00,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:40:00,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:40:00,463 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:40:00,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:40:00,463 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:40:00,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:40:00,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:40:00,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:40:00,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:40:00,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:40:00,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:40:00,466 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:40:00,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:40:00,466 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:40:00,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:40:00,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:40:00,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:40:00,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:40:00,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:40:00,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:40:00,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:40:00,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:40:00,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:40:00,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:40:00,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:40:00,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:40:00,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 01:40:00,740 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:40:00,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:40:00,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:40:00,762 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:40:00,762 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:40:00,763 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label32.c [2019-10-15 01:40:00,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27c31ed3e/d3fe9c72b21842029bed2da46db39635/FLAGc914e3a99 [2019-10-15 01:40:01,427 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:40:01,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label32.c [2019-10-15 01:40:01,446 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27c31ed3e/d3fe9c72b21842029bed2da46db39635/FLAGc914e3a99 [2019-10-15 01:40:01,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27c31ed3e/d3fe9c72b21842029bed2da46db39635 [2019-10-15 01:40:01,683 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:40:01,685 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:40:01,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:40:01,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:40:01,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:40:01,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:40:01" (1/1) ... [2019-10-15 01:40:01,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3686b925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:01, skipping insertion in model container [2019-10-15 01:40:01,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:40:01" (1/1) ... [2019-10-15 01:40:01,701 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:40:01,758 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:40:02,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:40:02,338 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:40:02,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:40:02,455 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:40:02,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:02 WrapperNode [2019-10-15 01:40:02,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:40:02,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:40:02,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:40:02,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:40:02,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:02" (1/1) ... [2019-10-15 01:40:02,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:02" (1/1) ... [2019-10-15 01:40:02,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:02" (1/1) ... [2019-10-15 01:40:02,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:02" (1/1) ... [2019-10-15 01:40:02,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:02" (1/1) ... [2019-10-15 01:40:02,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:02" (1/1) ... [2019-10-15 01:40:02,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:02" (1/1) ... [2019-10-15 01:40:02,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:40:02,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:40:02,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:40:02,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:40:02,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:40:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:40:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:40:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 01:40:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:40:02,674 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 01:40:02,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:40:02,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:40:02,675 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:40:02,675 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:40:02,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:40:02,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:40:04,661 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:40:04,661 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 01:40:04,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:40:04 BoogieIcfgContainer [2019-10-15 01:40:04,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:40:04,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:40:04,668 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:40:04,671 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:40:04,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:40:01" (1/3) ... [2019-10-15 01:40:04,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae0eec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:40:04, skipping insertion in model container [2019-10-15 01:40:04,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:02" (2/3) ... [2019-10-15 01:40:04,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae0eec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:40:04, skipping insertion in model container [2019-10-15 01:40:04,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:40:04" (3/3) ... [2019-10-15 01:40:04,679 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label32.c [2019-10-15 01:40:04,693 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:40:04,702 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:40:04,713 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:40:04,738 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:40:04,738 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:40:04,741 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:40:04,741 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:40:04,742 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:40:04,742 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:40:04,742 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:40:04,743 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:40:04,769 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2019-10-15 01:40:04,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-15 01:40:04,778 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:40:04,778 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:40:04,780 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:40:04,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:40:04,785 INFO L82 PathProgramCache]: Analyzing trace with hash 826721414, now seen corresponding path program 1 times [2019-10-15 01:40:04,792 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:40:04,793 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539276772] [2019-10-15 01:40:04,793 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:04,793 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:04,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:40:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:05,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:05,270 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539276772] [2019-10-15 01:40:05,271 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:40:05,272 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:40:05,272 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273251709] [2019-10-15 01:40:05,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:40:05,279 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:40:05,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:40:05,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:40:05,299 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 3 states. [2019-10-15 01:40:05,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:40:05,808 INFO L93 Difference]: Finished difference Result 246 states and 454 transitions. [2019-10-15 01:40:05,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:40:05,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-10-15 01:40:05,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:40:05,823 INFO L225 Difference]: With dead ends: 246 [2019-10-15 01:40:05,824 INFO L226 Difference]: Without dead ends: 157 [2019-10-15 01:40:05,828 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 01:40:05,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-10-15 01:40:05,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-10-15 01:40:05,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-10-15 01:40:05,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 273 transitions. [2019-10-15 01:40:05,897 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 273 transitions. Word has length 77 [2019-10-15 01:40:05,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:40:05,898 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 273 transitions. [2019-10-15 01:40:05,899 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:40:05,900 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 273 transitions. [2019-10-15 01:40:05,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-15 01:40:05,908 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:40:05,908 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 01:40:05,908 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:40:05,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:40:05,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1195765219, now seen corresponding path program 1 times [2019-10-15 01:40:05,910 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:40:05,910 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111102498] [2019-10-15 01:40:05,911 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:05,911 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:05,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:40:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:06,067 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 01:40:06,068 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111102498] [2019-10-15 01:40:06,068 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:40:06,068 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:40:06,068 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859809997] [2019-10-15 01:40:06,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:40:06,070 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:40:06,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:40:06,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:40:06,071 INFO L87 Difference]: Start difference. First operand 157 states and 273 transitions. Second operand 6 states. [2019-10-15 01:40:06,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:40:06,674 INFO L93 Difference]: Finished difference Result 479 states and 861 transitions. [2019-10-15 01:40:06,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:40:06,675 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2019-10-15 01:40:06,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:40:06,681 INFO L225 Difference]: With dead ends: 479 [2019-10-15 01:40:06,681 INFO L226 Difference]: Without dead ends: 327 [2019-10-15 01:40:06,683 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 01:40:06,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2019-10-15 01:40:06,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 315. [2019-10-15 01:40:06,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-10-15 01:40:06,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 544 transitions. [2019-10-15 01:40:06,718 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 544 transitions. Word has length 87 [2019-10-15 01:40:06,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:40:06,719 INFO L462 AbstractCegarLoop]: Abstraction has 315 states and 544 transitions. [2019-10-15 01:40:06,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:40:06,719 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 544 transitions. [2019-10-15 01:40:06,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:40:06,725 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:40:06,725 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 01:40:06,725 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:40:06,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:40:06,726 INFO L82 PathProgramCache]: Analyzing trace with hash -2128786823, now seen corresponding path program 1 times [2019-10-15 01:40:06,726 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:40:06,726 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515723490] [2019-10-15 01:40:06,727 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:06,727 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:06,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:40:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:06,937 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:06,938 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515723490] [2019-10-15 01:40:06,938 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086779010] [2019-10-15 01:40:06,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:40:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:07,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:40:07,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:40:07,133 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 01:40:07,133 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:40:07,183 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 01:40:07,184 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 01:40:07,184 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 9 [2019-10-15 01:40:07,184 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808161286] [2019-10-15 01:40:07,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:40:07,185 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:40:07,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:40:07,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:40:07,186 INFO L87 Difference]: Start difference. First operand 315 states and 544 transitions. Second operand 4 states. [2019-10-15 01:40:07,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:40:07,825 INFO L93 Difference]: Finished difference Result 1002 states and 1772 transitions. [2019-10-15 01:40:07,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:40:07,826 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2019-10-15 01:40:07,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:40:07,831 INFO L225 Difference]: With dead ends: 1002 [2019-10-15 01:40:07,832 INFO L226 Difference]: Without dead ends: 692 [2019-10-15 01:40:07,834 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 176 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:40:07,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2019-10-15 01:40:07,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 540. [2019-10-15 01:40:07,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2019-10-15 01:40:07,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 774 transitions. [2019-10-15 01:40:07,878 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 774 transitions. Word has length 88 [2019-10-15 01:40:07,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:40:07,878 INFO L462 AbstractCegarLoop]: Abstraction has 540 states and 774 transitions. [2019-10-15 01:40:07,879 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:40:07,879 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 774 transitions. [2019-10-15 01:40:07,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 01:40:07,885 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:40:07,886 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 01:40:08,086 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:40:08,087 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:40:08,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:40:08,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1484618372, now seen corresponding path program 1 times [2019-10-15 01:40:08,087 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:40:08,088 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173416455] [2019-10-15 01:40:08,088 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:08,088 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:08,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:40:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:08,271 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 01:40:08,272 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173416455] [2019-10-15 01:40:08,272 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647280264] [2019-10-15 01:40:08,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:40:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:08,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:40:08,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:40:08,435 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 01:40:08,435 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:40:08,522 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 01:40:08,523 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [373259864] [2019-10-15 01:40:08,565 INFO L162 IcfgInterpreter]: Started Sifa with 81 locations of interest [2019-10-15 01:40:08,565 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 01:40:08,572 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 01:40:08,580 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 01:40:08,581 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 01:40:08,919 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 100 for LOIs [2019-10-15 01:40:10,045 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2019-10-15 01:40:10,947 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 138 for LOIs [2019-10-15 01:40:11,507 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-10-15 01:40:11,611 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-15 01:40:11,861 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-10-15 01:40:11,966 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-10-15 01:40:12,384 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-10-15 01:40:12,562 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-10-15 01:40:12,981 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-10-15 01:40:13,156 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-10-15 01:40:13,333 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-10-15 01:40:13,750 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:13,908 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:14,083 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 01:40:14,912 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:15,109 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:15,273 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:40:15,537 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:15,707 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:15,868 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:40:16,157 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:16,311 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:16,527 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 01:40:17,178 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:17,347 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:17,524 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:40:17,759 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:17,918 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:18,100 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 01:40:18,743 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:18,897 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:19,081 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 01:40:19,362 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:19,517 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:19,686 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 01:40:19,974 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:20,157 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:20,424 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:20,579 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:20,740 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-10-15 01:40:20,966 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:21,128 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:21,289 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:40:21,520 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:21,674 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:21,839 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:40:22,113 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:22,277 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:22,443 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 01:40:22,704 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:22,863 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:23,031 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-10-15 01:40:23,267 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:23,418 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:23,577 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:23,815 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:23,968 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:24,127 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:24,373 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:24,525 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:24,687 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:24,905 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:25,060 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:25,221 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:25,446 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:25,600 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:25,759 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:40:25,972 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:26,122 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:26,282 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:26,533 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:26,682 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:26,850 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-10-15 01:40:27,106 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:27,258 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:27,422 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-10-15 01:40:27,686 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:27,840 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:27,999 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:28,303 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:28,455 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:28,618 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:29,183 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:29,335 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:29,494 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:29,718 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:29,869 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:30,031 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:30,287 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:30,438 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:30,593 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:30,813 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:30,965 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:31,126 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:40:31,363 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:31,515 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:31,694 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:31,946 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:32,096 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:32,254 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:32,474 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:32,629 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:32,786 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-15 01:40:32,994 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:33,139 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:33,293 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:33,502 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:33,646 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:33,813 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:40:34,026 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:34,172 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:34,328 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-10-15 01:40:34,544 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:34,692 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:34,850 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-10-15 01:40:35,097 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:35,243 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:35,395 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:35,604 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:35,748 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:35,898 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:36,105 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:36,256 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:36,423 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-10-15 01:40:36,612 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:36,741 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:36,878 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:37,068 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:37,197 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:37,331 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:40:37,523 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:37,657 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:37,792 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:40:37,982 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:38,111 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:38,249 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-15 01:40:38,470 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:38,599 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:38,746 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 01:40:39,230 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:39,359 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:39,492 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-10-15 01:40:39,687 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:39,815 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:39,952 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 01:40:40,181 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:40,311 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:40,451 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 01:40:40,671 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:40,801 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:40,938 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:40:41,128 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:41,257 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:41,407 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-10-15 01:40:41,599 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:41,726 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:41,859 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:40:42,052 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:42,183 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:42,318 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:40:42,507 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:42,635 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:42,776 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:40:42,965 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:43,094 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:43,227 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-10-15 01:40:43,417 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:43,548 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:43,686 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-10-15 01:40:43,875 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-10-15 01:40:43,998 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-10-15 01:40:44,144 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-15 01:40:44,342 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-10-15 01:40:44,465 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-10-15 01:40:44,599 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-15 01:40:44,788 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-10-15 01:40:44,912 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-10-15 01:40:45,041 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 160