/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/loop-new/nested-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:36:28,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:36:28,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:36:28,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:36:28,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:36:28,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:36:28,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:36:28,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:36:28,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:36:28,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:36:28,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:36:28,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:36:28,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:36:28,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:36:28,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:36:28,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:36:28,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:36:28,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:36:28,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:36:28,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:36:28,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:36:28,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:36:28,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:36:28,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:36:28,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:36:28,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:36:28,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:36:28,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:36:28,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:36:28,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:36:28,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:36:28,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:36:28,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:36:28,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:36:28,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:36:28,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:36:28,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:36:28,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:36:28,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:36:28,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:36:28,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:36:28,997 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 16:36:29,012 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:36:29,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:36:29,013 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:36:29,014 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:36:29,014 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:36:29,014 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:36:29,014 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:36:29,014 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:36:29,015 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:36:29,015 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:36:29,015 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:36:29,015 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:36:29,015 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:36:29,016 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:36:29,016 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:36:29,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:36:29,017 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:36:29,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:36:29,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:36:29,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:36:29,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:36:29,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:36:29,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:36:29,018 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:36:29,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:36:29,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:36:29,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:36:29,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:36:29,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:36:29,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:36:29,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:36:29,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:36:29,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:36:29,020 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:36:29,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:36:29,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:36:29,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:36:29,021 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:36:29,303 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:36:29,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:36:29,327 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:36:29,329 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:36:29,329 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:36:29,330 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/nested-1.i [2019-11-24 16:36:29,396 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4212218a3/d8a8b255430f4dc2bedc3917041ea657/FLAG6f4fd1c1c [2019-11-24 16:36:29,819 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:36:29,819 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/nested-1.i [2019-11-24 16:36:29,825 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4212218a3/d8a8b255430f4dc2bedc3917041ea657/FLAG6f4fd1c1c [2019-11-24 16:36:30,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4212218a3/d8a8b255430f4dc2bedc3917041ea657 [2019-11-24 16:36:30,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:36:30,228 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:36:30,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:36:30,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:36:30,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:36:30,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:36:30" (1/1) ... [2019-11-24 16:36:30,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba6d82d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:30, skipping insertion in model container [2019-11-24 16:36:30,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:36:30" (1/1) ... [2019-11-24 16:36:30,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:36:30,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:36:30,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:36:30,493 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:36:30,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:36:30,526 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:36:30,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:30 WrapperNode [2019-11-24 16:36:30,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:36:30,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:36:30,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:36:30,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:36:30,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:30" (1/1) ... [2019-11-24 16:36:30,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:30" (1/1) ... [2019-11-24 16:36:30,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:36:30,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:36:30,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:36:30,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:36:30,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:30" (1/1) ... [2019-11-24 16:36:30,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:30" (1/1) ... [2019-11-24 16:36:30,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:30" (1/1) ... [2019-11-24 16:36:30,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:30" (1/1) ... [2019-11-24 16:36:30,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:30" (1/1) ... [2019-11-24 16:36:30,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:30" (1/1) ... [2019-11-24 16:36:30,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:30" (1/1) ... [2019-11-24 16:36:30,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:36:30,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:36:30,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:36:30,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:36:30,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:30" (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 16:36:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:36:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:36:30,969 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:36:30,969 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-24 16:36:30,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:36:30 BoogieIcfgContainer [2019-11-24 16:36:30,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:36:30,972 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:36:30,972 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:36:30,972 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:36:30,973 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:36:30" (1/1) ... [2019-11-24 16:36:30,974 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 16:36:31,018 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:36:31,018 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:36:31,029 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:36:31,038 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:36:31,040 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:36:32,141 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-24 16:36:32,330 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 181 [2019-11-24 16:36:32,517 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2019-11-24 16:36:32,705 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 236 [2019-11-24 16:36:32,941 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2019-11-24 16:36:33,205 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 274 [2019-11-24 16:36:33,465 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 252 [2019-11-24 16:36:33,631 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 249 [2019-11-24 16:36:33,932 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 335 [2019-11-24 16:36:34,225 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 322 [2019-11-24 16:36:34,626 WARN L192 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 437 [2019-11-24 16:36:35,091 WARN L192 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 431 [2019-11-24 16:36:35,811 WARN L192 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 597 [2019-11-24 16:36:36,575 WARN L192 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 590 [2019-11-24 16:36:37,370 WARN L192 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 589 [2019-11-24 16:36:38,075 WARN L192 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 590 [2019-11-24 16:36:39,434 WARN L192 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 844 DAG size of output: 843 [2019-11-24 16:36:40,922 WARN L192 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 844 DAG size of output: 841 [2019-11-24 16:36:43,604 WARN L192 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 1223 DAG size of output: 1222 [2019-11-24 16:36:46,682 WARN L192 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 1222 DAG size of output: 1217 [2019-11-24 16:36:50,037 WARN L192 SmtUtils]: Spent 3.18 s on a formula simplification that was a NOOP. DAG size: 1218 [2019-11-24 16:36:53,068 WARN L192 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 1219 DAG size of output: 1219 [2019-11-24 16:36:58,437 WARN L192 SmtUtils]: Spent 5.28 s on a formula simplification. DAG size of input: 1692 DAG size of output: 1685 [2019-11-24 16:37:04,033 WARN L192 SmtUtils]: Spent 5.49 s on a formula simplification. DAG size of input: 1684 DAG size of output: 1681 [2019-11-24 16:37:13,044 WARN L192 SmtUtils]: Spent 8.89 s on a formula simplification. DAG size of input: 2270 DAG size of output: 2264 [2019-11-24 16:37:22,525 WARN L192 SmtUtils]: Spent 9.35 s on a formula simplification. DAG size of input: 2262 DAG size of output: 2260 [2019-11-24 16:37:39,257 WARN L192 SmtUtils]: Spent 16.58 s on a formula simplification. DAG size of input: 3018 DAG size of output: 3015 [2019-11-24 16:37:56,647 WARN L192 SmtUtils]: Spent 17.17 s on a formula simplification. DAG size of input: 3015 DAG size of output: 3012