java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loops-crafted-1/nested5-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:50:43,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:50:43,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:50:43,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:50:43,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:50:43,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:50:43,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:50:43,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:50:43,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:50:43,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:50:43,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:50:43,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:50:43,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:50:43,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:50:43,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:50:43,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:50:43,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:50:43,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:50:43,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:50:43,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:50:43,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:50:43,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:50:43,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:50:43,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:50:43,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:50:43,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:50:43,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:50:43,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:50:43,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:50:43,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:50:43,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:50:43,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:50:43,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:50:43,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:50:43,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:50:43,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:50:43,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:50:43,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:50:43,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:50:43,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:50:43,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:50:43,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-21 09:50:43,435 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:50:43,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:50:43,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:50:43,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:50:43,437 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:50:43,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:50:43,438 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:50:43,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:50:43,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:50:43,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:50:43,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:50:43,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:50:43,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:50:43,439 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:50:43,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:50:43,439 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:50:43,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:50:43,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:50:43,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:50:43,440 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:50:43,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:50:43,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:50:43,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:50:43,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:50:43,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:50:43,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:50:43,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:50:43,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:50:43,442 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:50:43,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:50:43,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:50:43,505 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:50:43,506 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:50:43,507 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:50:43,507 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/nested5-1.c [2019-09-21 09:50:43,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d1d66c54/3d6046e123f147e49d36c0ea49c9e7b3/FLAGf27df8cf8 [2019-09-21 09:50:43,952 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:50:43,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested5-1.c [2019-09-21 09:50:43,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d1d66c54/3d6046e123f147e49d36c0ea49c9e7b3/FLAGf27df8cf8 [2019-09-21 09:50:44,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d1d66c54/3d6046e123f147e49d36c0ea49c9e7b3 [2019-09-21 09:50:44,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:50:44,360 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:50:44,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:50:44,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:50:44,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:50:44,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:50:44" (1/1) ... [2019-09-21 09:50:44,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@702bca65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:44, skipping insertion in model container [2019-09-21 09:50:44,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:50:44" (1/1) ... [2019-09-21 09:50:44,377 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:50:44,392 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:50:44,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:50:44,556 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:50:44,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:50:44,591 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:50:44,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:44 WrapperNode [2019-09-21 09:50:44,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:50:44,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:50:44,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:50:44,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:50:44,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:44" (1/1) ... [2019-09-21 09:50:44,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:44" (1/1) ... [2019-09-21 09:50:44,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:44" (1/1) ... [2019-09-21 09:50:44,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:44" (1/1) ... [2019-09-21 09:50:44,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:44" (1/1) ... [2019-09-21 09:50:44,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:44" (1/1) ... [2019-09-21 09:50:44,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:44" (1/1) ... [2019-09-21 09:50:44,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:50:44,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:50:44,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:50:44,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:50:44,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:44" (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 [2019-09-21 09:50:44,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:50:44,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:50:44,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:50:44,816 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:50:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:50:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:50:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:50:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:50:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:50:45,178 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:50:45,178 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 09:50:45,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:50:45 BoogieIcfgContainer [2019-09-21 09:50:45,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:50:45,180 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:50:45,181 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:50:45,181 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:50:45,182 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:50:45" (1/1) ... [2019-09-21 09:50:45,183 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:50:45,209 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:50:45,209 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:50:45,217 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:50:45,231 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:50:45,233 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:50:45,389 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 09:50:47,927 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 203 [2019-09-21 09:50:48,314 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2019-09-21 09:50:48,957 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 296 [2019-09-21 09:50:49,082 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 296 [2019-09-21 09:50:49,275 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 265 [2019-09-21 09:50:49,785 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 214 [2019-09-21 09:50:57,771 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 296 [2019-09-21 09:51:03,288 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 413 [2019-09-21 09:51:03,806 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2019-09-21 09:51:05,922 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 265 [2019-09-21 09:51:06,507 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2019-09-21 09:51:06,661 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2019-09-21 09:51:07,137 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 322 [2019-09-21 09:51:07,270 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2019-09-21 09:51:07,389 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2019-09-21 09:51:08,125 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 252 [2019-09-21 09:51:09,453 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2019-09-21 09:51:10,134 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-09-21 09:51:10,359 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 416 [2019-09-21 09:51:12,428 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-09-21 09:51:12,536 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-09-21 09:51:12,707 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 418 [2019-09-21 09:51:14,768 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2019-09-21 09:51:14,873 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2019-09-21 09:51:14,995 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 422 [2019-09-21 09:51:15,631 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2019-09-21 09:51:15,848 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2019-09-21 09:51:17,392 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 09:51:17,514 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 09:51:17,662 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 475 [2019-09-21 09:51:18,950 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2019-09-21 09:51:19,079 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 374