/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-lit/cggmp2005b.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:30:43,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:30:43,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:30:43,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:30:43,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:30:43,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:30:43,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:30:43,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:30:43,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:30:43,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:30:43,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:30:43,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:30:43,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:30:43,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:30:43,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:30:43,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:30:43,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:30:43,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:30:43,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:30:43,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:30:43,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:30:43,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:30:43,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:30:43,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:30:43,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:30:43,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:30:43,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:30:43,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:30:43,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:30:43,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:30:43,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:30:43,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:30:43,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:30:43,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:30:43,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:30:43,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:30:43,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:30:43,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:30:43,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:30:43,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:30:43,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:30:43,243 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 16:30:43,279 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:30:43,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:30:43,280 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:30:43,280 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:30:43,283 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:30:43,283 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:30:43,283 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:30:43,283 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:30:43,284 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:30:43,284 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:30:43,284 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:30:43,284 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:30:43,284 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:30:43,285 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:30:43,285 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:30:43,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:30:43,289 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:30:43,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:30:43,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:30:43,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:30:43,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:30:43,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:30:43,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:30:43,290 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:30:43,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:30:43,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:30:43,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:30:43,292 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:30:43,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:30:43,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:30:43,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:30:43,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:30:43,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:30:43,293 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:30:43,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:30:43,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:30:43,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:30:43,296 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:30:43,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:30:43,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:30:43,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:30:43,631 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:30:43,631 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:30:43,632 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/cggmp2005b.i [2019-11-24 16:30:43,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/813af65f2/5a74652829ec40e48a5d5e70bce66209/FLAG0a9eb7b1a [2019-11-24 16:30:44,182 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:30:44,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005b.i [2019-11-24 16:30:44,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/813af65f2/5a74652829ec40e48a5d5e70bce66209/FLAG0a9eb7b1a [2019-11-24 16:30:44,625 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/813af65f2/5a74652829ec40e48a5d5e70bce66209 [2019-11-24 16:30:44,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:30:44,636 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:30:44,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:30:44,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:30:44,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:30:44,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:30:44" (1/1) ... [2019-11-24 16:30:44,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@329ebaac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:44, skipping insertion in model container [2019-11-24 16:30:44,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:30:44" (1/1) ... [2019-11-24 16:30:44,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:30:44,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:30:44,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:30:44,857 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:30:44,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:30:44,881 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:30:44,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:44 WrapperNode [2019-11-24 16:30:44,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:30:44,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:30:44,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:30:44,883 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:30:44,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:44" (1/1) ... [2019-11-24 16:30:44,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:44" (1/1) ... [2019-11-24 16:30:44,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:30:44,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:30:44,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:30:44,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:30:45,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:44" (1/1) ... [2019-11-24 16:30:45,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:44" (1/1) ... [2019-11-24 16:30:45,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:44" (1/1) ... [2019-11-24 16:30:45,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:44" (1/1) ... [2019-11-24 16:30:45,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:44" (1/1) ... [2019-11-24 16:30:45,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:44" (1/1) ... [2019-11-24 16:30:45,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:44" (1/1) ... [2019-11-24 16:30:45,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:30:45,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:30:45,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:30:45,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:30:45,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:30:44" (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 16:30:45,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:30:45,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:30:45,330 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:30:45,330 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-24 16:30:45,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:30:45 BoogieIcfgContainer [2019-11-24 16:30:45,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:30:45,332 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:30:45,333 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:30:45,333 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:30:45,334 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:30:45" (1/1) ... [2019-11-24 16:30:45,335 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 16:30:45,376 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:30:45,377 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:30:45,386 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:30:45,394 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:30:45,395 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:30:46,824 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2019-11-24 16:30:47,121 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 255 [2019-11-24 16:30:47,318 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 244 [2019-11-24 16:30:47,551 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 309 [2019-11-24 16:30:47,809 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 290 [2019-11-24 16:30:48,163 WARN L192 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 380 [2019-11-24 16:30:48,483 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 361 [2019-11-24 16:30:48,880 WARN L192 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2019-11-24 16:30:49,125 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 357 [2019-11-24 16:30:49,767 WARN L192 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 468 [2019-11-24 16:30:50,243 WARN L192 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 450 [2019-11-24 16:30:51,104 WARN L192 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 578 [2019-11-24 16:30:51,863 WARN L192 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 547 [2019-11-24 16:30:52,938 WARN L192 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 723 DAG size of output: 721 [2019-11-24 16:30:54,028 WARN L192 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 711 DAG size of output: 710 [2019-11-24 16:30:55,885 WARN L192 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 944 DAG size of output: 941 [2019-11-24 16:30:57,831 WARN L192 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 917 DAG size of output: 916 [2019-11-24 16:31:01,061 WARN L192 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 1199 DAG size of output: 1197 [2019-11-24 16:31:04,855 WARN L192 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 1175 DAG size of output: 1156 [2019-11-24 16:31:08,463 WARN L192 SmtUtils]: Spent 3.40 s on a formula simplification that was a NOOP. DAG size: 1144 [2019-11-24 16:31:11,956 WARN L192 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 1145 DAG size of output: 1145 [2019-11-24 16:31:17,579 WARN L192 SmtUtils]: Spent 5.53 s on a formula simplification. DAG size of input: 1438 DAG size of output: 1433 [2019-11-24 16:31:23,140 WARN L192 SmtUtils]: Spent 5.46 s on a formula simplification. DAG size of input: 1417 DAG size of output: 1417 [2019-11-24 16:31:32,209 WARN L192 SmtUtils]: Spent 8.95 s on a formula simplification. DAG size of input: 1846 DAG size of output: 1843 [2019-11-24 16:31:40,801 WARN L192 SmtUtils]: Spent 8.48 s on a formula simplification. DAG size of input: 1802 DAG size of output: 1799 [2019-11-24 16:31:54,656 WARN L192 SmtUtils]: Spent 13.71 s on a formula simplification. DAG size of input: 2280 DAG size of output: 2277 [2019-11-24 16:32:09,431 WARN L192 SmtUtils]: Spent 14.62 s on a formula simplification. DAG size of input: 2237 DAG size of output: 2237