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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:37:10,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:37:10,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:37:10,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:37:10,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:37:10,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:37:10,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:37:10,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:37:10,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:37:10,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:37:10,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:37:10,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:37:10,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:37:10,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:37:10,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:37:10,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:37:10,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:37:10,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:37:10,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:37:10,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:37:10,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:37:10,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:37:10,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:37:10,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:37:10,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:37:10,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:37:10,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:37:10,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:37:10,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:37:10,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:37:10,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:37:10,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:37:10,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:37:10,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:37:10,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:37:10,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:37:10,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:37:10,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:37:10,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:37:10,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:37:10,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:37:10,601 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 [2019-09-20 23:37:10,620 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:37:10,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:37:10,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:37:10,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:37:10,623 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:37:10,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:37:10,623 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:37:10,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:37:10,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:37:10,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:37:10,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:37:10,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:37:10,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:37:10,625 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:37:10,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:37:10,626 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:37:10,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:37:10,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:37:10,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:37:10,626 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:37:10,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:37:10,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:37:10,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:37:10,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:37:10,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:37:10,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:37:10,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:37:10,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:37:10,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:37:10,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:37:10,698 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:37:10,703 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:37:10,704 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:37:10,704 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:37:10,705 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-09-20 23:37:10,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8b9b8ef7/ef55fca747c746d5a4f6fa5577bf3b29/FLAGe7e6cd699 [2019-09-20 23:37:11,236 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:37:11,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-09-20 23:37:11,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8b9b8ef7/ef55fca747c746d5a4f6fa5577bf3b29/FLAGe7e6cd699 [2019-09-20 23:37:11,512 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8b9b8ef7/ef55fca747c746d5a4f6fa5577bf3b29 [2019-09-20 23:37:11,520 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:37:11,522 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:37:11,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:37:11,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:37:11,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:37:11,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:37:11" (1/1) ... [2019-09-20 23:37:11,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d70ec0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:37:11, skipping insertion in model container [2019-09-20 23:37:11,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:37:11" (1/1) ... [2019-09-20 23:37:11,537 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:37:11,596 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:37:11,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:37:12,007 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:37:12,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:37:12,144 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:37:12,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:37:12 WrapperNode [2019-09-20 23:37:12,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:37:12,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:37:12,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:37:12,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:37:12,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:37:12" (1/1) ... [2019-09-20 23:37:12,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:37:12" (1/1) ... [2019-09-20 23:37:12,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:37:12" (1/1) ... [2019-09-20 23:37:12,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:37:12" (1/1) ... [2019-09-20 23:37:12,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:37:12" (1/1) ... [2019-09-20 23:37:12,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:37:12" (1/1) ... [2019-09-20 23:37:12,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:37:12" (1/1) ... [2019-09-20 23:37:12,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:37:12,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:37:12,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:37:12,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:37:12,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:37:12" (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 [2019-09-20 23:37:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:37:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:37:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:37:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:37:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 23:37:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 23:37:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-20 23:37:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 23:37:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-20 23:37:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-20 23:37:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-20 23:37:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-20 23:37:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-20 23:37:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-20 23:37:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 23:37:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:37:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:37:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:37:14,066 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:37:14,067 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 23:37:14,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:37:14 BoogieIcfgContainer [2019-09-20 23:37:14,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:37:14,069 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:37:14,069 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:37:14,069 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:37:14,071 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:37:14" (1/1) ... [2019-09-20 23:37:14,071 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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_DDA ♦ Intern Fluid=NeverFluid [2019-09-20 23:37:14,096 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:37:14,096 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:37:14,105 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:37:14,115 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:37:14,117 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:37:14,617 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-20 23:37:14,897 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 23:37:15,118 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 23:37:15,386 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 23:37:15,421 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 221 for LOIs [2019-09-20 23:37:21,706 WARN L191 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 484 DAG size of output: 311 [2019-09-20 23:37:22,689 WARN L191 SmtUtils]: Spent 980.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2019-09-20 23:37:26,122 WARN L191 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 484 DAG size of output: 311 [2019-09-20 23:37:27,041 WARN L191 SmtUtils]: Spent 917.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2019-09-20 23:37:30,604 WARN L191 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 484 DAG size of output: 311 [2019-09-20 23:37:31,467 WARN L191 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2019-09-20 23:37:34,914 WARN L191 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 484 DAG size of output: 311 [2019-09-20 23:37:35,824 WARN L191 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2019-09-20 23:37:39,307 WARN L191 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 484 DAG size of output: 311 [2019-09-20 23:37:40,169 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2019-09-20 23:37:43,558 WARN L191 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 484 DAG size of output: 311 [2019-09-20 23:37:44,479 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2019-09-20 23:37:47,903 WARN L191 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 484 DAG size of output: 311 [2019-09-20 23:37:48,775 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2019-09-20 23:37:52,256 WARN L191 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 484 DAG size of output: 311 [2019-09-20 23:37:53,126 WARN L191 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 311