/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_spec2_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 17:57:02,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 17:57:02,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 17:57:02,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 17:57:02,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 17:57:02,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 17:57:02,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 17:57:02,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 17:57:02,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 17:57:02,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 17:57:02,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 17:57:02,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 17:57:02,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 17:57:02,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 17:57:02,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 17:57:02,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 17:57:02,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 17:57:02,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 17:57:02,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 17:57:02,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 17:57:02,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 17:57:02,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 17:57:02,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 17:57:02,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 17:57:02,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 17:57:02,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 17:57:02,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 17:57:02,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 17:57:02,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 17:57:02,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 17:57:02,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 17:57:02,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 17:57:02,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 17:57:02,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 17:57:02,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 17:57:02,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 17:57:02,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 17:57:02,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 17:57:02,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 17:57:02,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 17:57:02,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 17:57:02,878 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 17:57:02,893 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 17:57:02,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 17:57:02,894 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 17:57:02,894 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 17:57:02,894 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 17:57:02,894 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 17:57:02,895 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 17:57:02,895 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 17:57:02,895 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 17:57:02,895 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 17:57:02,895 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 17:57:02,896 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 17:57:02,896 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 17:57:02,896 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 17:57:02,896 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 17:57:02,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 17:57:02,898 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 17:57:02,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 17:57:02,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 17:57:02,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 17:57:02,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 17:57:02,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 17:57:02,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 17:57:02,900 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 17:57:02,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 17:57:02,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 17:57:02,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 17:57:02,900 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 17:57:02,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 17:57:02,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 17:57:02,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 17:57:02,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 17:57:02,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 17:57:02,902 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 17:57:02,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 17:57:02,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 17:57:02,902 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 17:57:02,903 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 17:57:03,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 17:57:03,194 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 17:57:03,197 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 17:57:03,199 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 17:57:03,199 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 17:57:03,200 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2019-11-24 17:57:03,273 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22c9c028a/2c76576980d74e6f90ee8c075b381fcb/FLAG57539460d [2019-11-24 17:57:03,844 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 17:57:03,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2019-11-24 17:57:03,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22c9c028a/2c76576980d74e6f90ee8c075b381fcb/FLAG57539460d [2019-11-24 17:57:04,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22c9c028a/2c76576980d74e6f90ee8c075b381fcb [2019-11-24 17:57:04,172 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 17:57:04,174 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 17:57:04,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 17:57:04,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 17:57:04,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 17:57:04,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:57:04" (1/1) ... [2019-11-24 17:57:04,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f8554ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:57:04, skipping insertion in model container [2019-11-24 17:57:04,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:57:04" (1/1) ... [2019-11-24 17:57:04,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 17:57:04,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 17:57:04,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 17:57:04,660 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 17:57:04,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 17:57:04,841 INFO L208 MainTranslator]: Completed translation [2019-11-24 17:57:04,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:57:04 WrapperNode [2019-11-24 17:57:04,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 17:57:04,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 17:57:04,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 17:57:04,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 17:57:04,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:57:04" (1/1) ... [2019-11-24 17:57:04,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:57:04" (1/1) ... [2019-11-24 17:57:04,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 17:57:04,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 17:57:04,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 17:57:04,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 17:57:04,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:57:04" (1/1) ... [2019-11-24 17:57:04,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:57:04" (1/1) ... [2019-11-24 17:57:04,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:57:04" (1/1) ... [2019-11-24 17:57:04,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:57:04" (1/1) ... [2019-11-24 17:57:04,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:57:04" (1/1) ... [2019-11-24 17:57:04,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:57:04" (1/1) ... [2019-11-24 17:57:04,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:57:04" (1/1) ... [2019-11-24 17:57:04,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 17:57:04,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 17:57:04,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 17:57:04,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 17:57:04,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:57:04" (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 17:57:05,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 17:57:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 17:57:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 17:57:05,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 17:57:07,626 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 17:57:07,627 INFO L284 CfgBuilder]: Removed 194 assume(true) statements. [2019-11-24 17:57:07,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:57:07 BoogieIcfgContainer [2019-11-24 17:57:07,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 17:57:07,629 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 17:57:07,629 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 17:57:07,629 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 17:57:07,630 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:57:07" (1/1) ... [2019-11-24 17:57:07,631 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 17:57:07,657 INFO L159 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-11-24 17:57:07,658 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 17:57:07,669 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 17:57:07,679 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 17:57:07,680 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 17:57:15,670 WARN L192 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 478 [2019-11-24 17:57:17,438 WARN L192 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-24 17:57:17,600 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-11-24 17:57:18,384 WARN L192 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 608 [2019-11-24 17:57:18,856 WARN L192 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 608 [2019-11-24 17:57:19,275 WARN L192 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-11-24 17:57:19,743 WARN L192 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 609 [2019-11-24 17:57:20,263 WARN L192 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 609 [2019-11-24 17:57:20,772 WARN L192 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-11-24 17:57:21,240 WARN L192 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 610 [2019-11-24 17:57:22,621 WARN L192 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 712 [2019-11-24 17:57:28,699 WARN L192 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 929 DAG size of output: 832 [2019-11-24 17:57:32,950 WARN L192 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 929 DAG size of output: 832 [2019-11-24 17:57:36,963 WARN L192 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 820 DAG size of output: 819 [2019-11-24 17:57:43,551 WARN L192 SmtUtils]: Spent 6.40 s on a formula simplification. DAG size of input: 1099 DAG size of output: 919 [2019-11-24 17:57:49,555 WARN L192 SmtUtils]: Spent 5.99 s on a formula simplification. DAG size of input: 1099 DAG size of output: 919 [2019-11-24 17:57:54,968 WARN L192 SmtUtils]: Spent 5.40 s on a formula simplification. DAG size of input: 892 DAG size of output: 884 [2019-11-24 17:58:00,725 WARN L192 SmtUtils]: Spent 5.65 s on a formula simplification that was a NOOP. DAG size: 900 [2019-11-24 17:58:01,502 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-24 17:58:05,050 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-24 17:58:15,574 WARN L192 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 903 DAG size of output: 900