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/loop-lit/gr2006.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:49:41,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:49:41,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:49:41,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:49:41,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:49:41,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:49:41,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:49:41,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:49:41,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:49:41,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:49:41,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:49:41,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:49:41,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:49:41,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:49:41,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:49:41,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:49:41,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:49:41,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:49:41,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:49:41,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:49:41,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:49:41,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:49:41,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:49:41,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:49:41,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:49:41,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:49:41,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:49:41,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:49:41,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:49:41,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:49:41,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:49:41,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:49:41,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:49:41,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:49:41,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:49:41,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:49:41,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:49:41,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:49:41,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:49:41,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:49:41,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:49:41,327 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 09:49:41,353 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:49:41,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:49:41,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:49:41,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:49:41,357 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:49:41,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:49:41,357 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:49:41,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:49:41,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:49:41,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:49:41,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:49:41,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:49:41,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:49:41,361 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:49:41,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:49:41,361 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:49:41,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:49:41,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:49:41,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:49:41,363 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:49:41,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:49:41,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:49:41,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:49:41,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:49:41,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:49:41,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:49:41,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:49:41,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:49:41,367 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 09:49:41,416 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:49:41,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:49:41,431 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:49:41,433 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:49:41,433 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:49:41,434 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gr2006.i [2019-09-21 09:49:41,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7d2c28d3/ff3c547022044b039e191b4025f9566e/FLAG2cc5f1985 [2019-09-21 09:49:41,947 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:49:41,949 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gr2006.i [2019-09-21 09:49:41,956 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7d2c28d3/ff3c547022044b039e191b4025f9566e/FLAG2cc5f1985 [2019-09-21 09:49:42,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7d2c28d3/ff3c547022044b039e191b4025f9566e [2019-09-21 09:49:42,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:49:42,339 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:49:42,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:49:42,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:49:42,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:49:42,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:49:42" (1/1) ... [2019-09-21 09:49:42,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75521bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:42, skipping insertion in model container [2019-09-21 09:49:42,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:49:42" (1/1) ... [2019-09-21 09:49:42,355 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:49:42,373 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:49:42,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:49:42,537 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:49:42,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:49:42,566 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:49:42,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:42 WrapperNode [2019-09-21 09:49:42,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:49:42,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:49:42,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:49:42,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:49:42,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:42" (1/1) ... [2019-09-21 09:49:42,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:42" (1/1) ... [2019-09-21 09:49:42,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:42" (1/1) ... [2019-09-21 09:49:42,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:42" (1/1) ... [2019-09-21 09:49:42,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:42" (1/1) ... [2019-09-21 09:49:42,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:42" (1/1) ... [2019-09-21 09:49:42,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:42" (1/1) ... [2019-09-21 09:49:42,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:49:42,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:49:42,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:49:42,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:49:42,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:42" (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 09:49:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:49:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:49:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:49:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:49:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:49:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:49:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:49:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:49:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:49:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:49:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:49:42,966 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:49:42,966 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:49:42,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:49:42 BoogieIcfgContainer [2019-09-21 09:49:42,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:49:42,969 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:49:42,969 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:49:42,969 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:49:42,971 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:49:42" (1/1) ... [2019-09-21 09:49:42,972 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 09:49:43,002 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:49:43,003 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:49:43,031 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:49:43,045 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:49:43,047 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:49:43,140 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 09:49:44,272 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 250 [2019-09-21 09:49:44,412 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2019-09-21 09:49:44,731 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2019-09-21 09:49:44,875 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2019-09-21 09:49:45,066 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 307 [2019-09-21 09:49:45,333 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 462 [2019-09-21 09:49:45,562 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 462 [2019-09-21 09:49:45,938 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 459 [2019-09-21 09:49:46,314 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-09-21 09:49:46,558 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-09-21 09:49:46,994 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 593 [2019-09-21 09:49:47,608 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 925 DAG size of output: 893 [2019-09-21 09:49:48,116 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 893 [2019-09-21 09:49:49,171 WARN L191 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 881 [2019-09-21 09:49:50,023 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1184 [2019-09-21 09:49:50,848 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1184 [2019-09-21 09:49:52,127 WARN L191 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 1185 DAG size of output: 1160 [2019-09-21 09:49:53,494 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 379 [2019-09-21 09:49:53,883 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-09-21 09:49:54,410 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 381 [2019-09-21 09:49:56,302 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 1469 [2019-09-21 09:49:57,617 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 1469 [2019-09-21 09:50:00,076 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1470 DAG size of output: 1469 [2019-09-21 09:50:03,243 WARN L191 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 2248 DAG size of output: 2220 [2019-09-21 09:50:06,127 WARN L191 SmtUtils]: Spent 2.88 s on a formula simplification that was a NOOP. DAG size: 2220 [2019-09-21 09:50:11,406 WARN L191 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 2220 DAG size of output: 2201 [2019-09-21 09:50:16,820 WARN L191 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 3204 [2019-09-21 09:50:21,928 WARN L191 SmtUtils]: Spent 5.10 s on a formula simplification that was a NOOP. DAG size: 3204