/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_spec3_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 18:03:20,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 18:03:20,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 18:03:20,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 18:03:20,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 18:03:20,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 18:03:20,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 18:03:20,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 18:03:20,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 18:03:20,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 18:03:20,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 18:03:20,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 18:03:20,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 18:03:20,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 18:03:20,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 18:03:20,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 18:03:20,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 18:03:20,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 18:03:20,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 18:03:20,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 18:03:20,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 18:03:20,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 18:03:20,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 18:03:20,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 18:03:20,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 18:03:20,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 18:03:20,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 18:03:20,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 18:03:20,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 18:03:20,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 18:03:20,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 18:03:20,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 18:03:20,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 18:03:20,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 18:03:20,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 18:03:20,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 18:03:20,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 18:03:20,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 18:03:20,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 18:03:20,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 18:03:20,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 18:03:20,882 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 18:03:20,904 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 18:03:20,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 18:03:20,906 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 18:03:20,906 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 18:03:20,906 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 18:03:20,907 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 18:03:20,907 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 18:03:20,907 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 18:03:20,907 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 18:03:20,908 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 18:03:20,909 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 18:03:20,909 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 18:03:20,909 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 18:03:20,910 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 18:03:20,910 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 18:03:20,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 18:03:20,912 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 18:03:20,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 18:03:20,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 18:03:20,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 18:03:20,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 18:03:20,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 18:03:20,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 18:03:20,914 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 18:03:20,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 18:03:20,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 18:03:20,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 18:03:20,915 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 18:03:20,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 18:03:20,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 18:03:20,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 18:03:20,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 18:03:20,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 18:03:20,918 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 18:03:20,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 18:03:20,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 18:03:20,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 18:03:20,919 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 18:03:21,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 18:03:21,239 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 18:03:21,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 18:03:21,244 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 18:03:21,244 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 18:03:21,245 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2019-11-24 18:03:21,313 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b66b7d72/eb15a403340f42d89ddbaafb07481dfd/FLAG39a7a25d1 [2019-11-24 18:03:21,861 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 18:03:21,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2019-11-24 18:03:21,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b66b7d72/eb15a403340f42d89ddbaafb07481dfd/FLAG39a7a25d1 [2019-11-24 18:03:22,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b66b7d72/eb15a403340f42d89ddbaafb07481dfd [2019-11-24 18:03:22,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 18:03:22,160 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 18:03:22,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 18:03:22,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 18:03:22,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 18:03:22,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:03:22" (1/1) ... [2019-11-24 18:03:22,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26face42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22, skipping insertion in model container [2019-11-24 18:03:22,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:03:22" (1/1) ... [2019-11-24 18:03:22,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 18:03:22,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 18:03:22,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:03:22,675 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 18:03:22,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:03:22,833 INFO L208 MainTranslator]: Completed translation [2019-11-24 18:03:22,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22 WrapperNode [2019-11-24 18:03:22,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 18:03:22,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 18:03:22,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 18:03:22,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 18:03:22,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2019-11-24 18:03:22,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2019-11-24 18:03:22,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 18:03:22,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 18:03:22,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 18:03:22,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 18:03:22,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2019-11-24 18:03:22,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2019-11-24 18:03:22,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2019-11-24 18:03:22,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2019-11-24 18:03:22,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2019-11-24 18:03:22,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2019-11-24 18:03:22,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2019-11-24 18:03:22,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 18:03:22,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 18:03:22,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 18:03:22,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 18:03:22,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (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 18:03:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 18:03:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 18:03:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 18:03:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 18:03:26,437 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 18:03:26,438 INFO L284 CfgBuilder]: Removed 284 assume(true) statements. [2019-11-24 18:03:26,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:03:26 BoogieIcfgContainer [2019-11-24 18:03:26,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 18:03:26,440 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 18:03:26,440 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 18:03:26,440 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 18:03:26,441 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:03:26" (1/1) ... [2019-11-24 18:03:26,442 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 18:03:26,471 INFO L159 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-11-24 18:03:26,471 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 18:03:26,482 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 18:03:26,488 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 18:03:26,489 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 18:03:36,982 WARN L192 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 476 [2019-11-24 18:03:38,662 WARN L192 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-24 18:03:38,863 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-11-24 18:03:39,253 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 596 [2019-11-24 18:03:39,470 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 596 [2019-11-24 18:03:39,702 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-11-24 18:03:40,158 WARN L192 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 599 [2019-11-24 18:03:40,545 WARN L192 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 599 [2019-11-24 18:03:40,926 WARN L192 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-11-24 18:03:41,314 WARN L192 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 601 [2019-11-24 18:03:41,659 WARN L192 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 601 [2019-11-24 18:03:41,977 WARN L192 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 601 [2019-11-24 18:03:42,354 WARN L192 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 602 [2019-11-24 18:03:43,525 WARN L192 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 702 [2019-11-24 18:03:46,223 WARN L192 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 903 DAG size of output: 891 [2019-11-24 18:03:47,853 WARN L192 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 903 DAG size of output: 891 [2019-11-24 18:03:49,008 WARN L192 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 889 DAG size of output: 889 [2019-11-24 18:03:51,034 WARN L192 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 1032 DAG size of output: 969 [2019-11-24 18:03:53,060 WARN L192 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 1032 DAG size of output: 969 [2019-11-24 18:03:54,651 WARN L192 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 932 DAG size of output: 930 [2019-11-24 18:03:57,438 WARN L192 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 1117 DAG size of output: 1036 [2019-11-24 18:04:00,737 WARN L192 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 1117 DAG size of output: 1036 [2019-11-24 18:04:02,841 WARN L192 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 1012 DAG size of output: 1010 [2019-11-24 18:04:05,481 WARN L192 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 1015 [2019-11-24 18:04:18,436 WARN L192 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 1019 DAG size of output: 1019