/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/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 18:22:43,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 18:22:43,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 18:22:43,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 18:22:43,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 18:22:43,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 18:22:43,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 18:22:43,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 18:22:43,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 18:22:43,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 18:22:43,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 18:22:43,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 18:22:43,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 18:22:43,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 18:22:43,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 18:22:43,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 18:22:43,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 18:22:43,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 18:22:43,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 18:22:43,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 18:22:43,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 18:22:43,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 18:22:43,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 18:22:43,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 18:22:43,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 18:22:43,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 18:22:43,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 18:22:43,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 18:22:43,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 18:22:43,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 18:22:43,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 18:22:43,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 18:22:43,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 18:22:43,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 18:22:43,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 18:22:43,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 18:22:43,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 18:22:43,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 18:22:43,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 18:22:43,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 18:22:43,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 18:22:43,758 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 18:22:43,784 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 18:22:43,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 18:22:43,786 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 18:22:43,786 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 18:22:43,786 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 18:22:43,786 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 18:22:43,787 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 18:22:43,787 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 18:22:43,787 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 18:22:43,787 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 18:22:43,788 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 18:22:43,788 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 18:22:43,789 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 18:22:43,789 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 18:22:43,789 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 18:22:43,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 18:22:43,791 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 18:22:43,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 18:22:43,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 18:22:43,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 18:22:43,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 18:22:43,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 18:22:43,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 18:22:43,792 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 18:22:43,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 18:22:43,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 18:22:43,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 18:22:43,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 18:22:43,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 18:22:43,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 18:22:43,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 18:22:43,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 18:22:43,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 18:22:43,795 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 18:22:43,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 18:22:43,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 18:22:43,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 18:22:43,797 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 18:22:44,077 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 18:22:44,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 18:22:44,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 18:22:44,098 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 18:22:44,099 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 18:22:44,100 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2019-11-24 18:22:44,170 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffbe376f7/9043f95045be4bb4b4f2a7af9b7c5a82/FLAG9985c3455 [2019-11-24 18:22:44,780 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 18:22:44,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2019-11-24 18:22:44,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffbe376f7/9043f95045be4bb4b4f2a7af9b7c5a82/FLAG9985c3455 [2019-11-24 18:22:45,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffbe376f7/9043f95045be4bb4b4f2a7af9b7c5a82 [2019-11-24 18:22:45,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 18:22:45,049 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 18:22:45,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 18:22:45,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 18:22:45,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 18:22:45,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:22:45" (1/1) ... [2019-11-24 18:22:45,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ceb8032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:45, skipping insertion in model container [2019-11-24 18:22:45,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:22:45" (1/1) ... [2019-11-24 18:22:45,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 18:22:45,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 18:22:45,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:22:45,606 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 18:22:45,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:22:45,750 INFO L208 MainTranslator]: Completed translation [2019-11-24 18:22:45,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:45 WrapperNode [2019-11-24 18:22:45,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 18:22:45,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 18:22:45,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 18:22:45,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 18:22:45,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:45" (1/1) ... [2019-11-24 18:22:45,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:45" (1/1) ... [2019-11-24 18:22:45,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 18:22:45,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 18:22:45,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 18:22:45,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 18:22:45,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:45" (1/1) ... [2019-11-24 18:22:45,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:45" (1/1) ... [2019-11-24 18:22:45,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:45" (1/1) ... [2019-11-24 18:22:45,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:45" (1/1) ... [2019-11-24 18:22:45,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:45" (1/1) ... [2019-11-24 18:22:45,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:45" (1/1) ... [2019-11-24 18:22:45,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:45" (1/1) ... [2019-11-24 18:22:45,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 18:22:45,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 18:22:45,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 18:22:45,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 18:22:45,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 18:22:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 18:22:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 18:22:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 18:22:46,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 18:22:48,637 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 18:22:48,638 INFO L284 CfgBuilder]: Removed 206 assume(true) statements. [2019-11-24 18:22:48,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:22:48 BoogieIcfgContainer [2019-11-24 18:22:48,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 18:22:48,640 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 18:22:48,640 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 18:22:48,640 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 18:22:48,642 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:22:48" (1/1) ... [2019-11-24 18:22:48,643 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 18:22:48,666 INFO L159 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-11-24 18:22:48,666 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 18:22:48,674 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 18:22:48,680 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 18:22:48,682 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 18:22:57,611 WARN L192 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 478 [2019-11-24 18:22:59,344 WARN L192 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-24 18:22:59,479 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-11-24 18:22:59,973 WARN L192 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 611 [2019-11-24 18:23:00,256 WARN L192 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 611 [2019-11-24 18:23:00,497 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2019-11-24 18:23:01,094 WARN L192 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 615 [2019-11-24 18:23:01,569 WARN L192 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 615 [2019-11-24 18:23:01,992 WARN L192 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 615 [2019-11-24 18:23:05,094 WARN L192 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 944 DAG size of output: 808 [2019-11-24 18:23:09,182 WARN L192 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 919 DAG size of output: 900 [2019-11-24 18:23:10,783 WARN L192 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 906 DAG size of output: 906 [2019-11-24 18:23:12,208 WARN L192 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 906 DAG size of output: 906 [2019-11-24 18:23:13,601 WARN L192 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 906 [2019-11-24 18:23:16,145 WARN L192 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 1004 [2019-11-24 18:23:19,083 WARN L192 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 1004 [2019-11-24 18:23:21,520 WARN L192 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 1004 [2019-11-24 18:23:53,144 WARN L192 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 902 [2019-11-24 18:23:54,651 WARN L192 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 902 [2019-11-24 18:23:56,248 WARN L192 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 902 [2019-11-24 18:23:59,108 WARN L192 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 1003 DAG size of output: 1003 [2019-11-24 18:24:01,889 WARN L192 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 1003 DAG size of output: 1003 [2019-11-24 18:24:04,618 WARN L192 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 1003 [2019-11-24 18:24:07,296 WARN L192 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 1002 DAG size of output: 1002 [2019-11-24 18:24:10,047 WARN L192 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 1002 DAG size of output: 1002 [2019-11-24 18:24:12,671 WARN L192 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 1002