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_DDA -i ../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:21:06,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:21:06,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:21:06,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:21:06,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:21:06,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:21:06,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:21:06,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:21:06,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:21:06,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:21:06,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:21:06,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:21:06,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:21:06,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:21:06,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:21:06,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:21:06,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:21:06,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:21:06,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:21:06,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:21:06,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:21:06,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:21:06,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:21:06,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:21:06,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:21:06,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:21:06,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:21:06,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:21:06,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:21:06,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:21:06,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:21:06,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:21:06,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:21:06,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:21:06,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:21:06,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:21:06,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:21:06,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:21:06,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:21:06,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:21:06,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:21:06,249 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 17:21:06,264 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:21:06,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:21:06,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:21:06,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:21:06,266 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:21:06,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:21:06,267 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:21:06,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:21:06,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:21:06,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:21:06,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:21:06,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:21:06,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:21:06,268 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:21:06,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:21:06,269 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:21:06,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:21:06,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:21:06,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:21:06,269 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:21:06,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:21:06,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:21:06,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:21:06,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:21:06,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:21:06,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:21:06,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:21:06,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:21:06,271 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_DDA [2019-09-20 17:21:06,301 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:21:06,314 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:21:06,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:21:06,318 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:21:06,319 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:21:06,319 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-20 17:21:06,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/707b3110a/9429d6d1c17845d1b94fec1f8c3984e9/FLAGfe698413c [2019-09-20 17:21:06,795 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:21:06,796 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-20 17:21:06,803 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/707b3110a/9429d6d1c17845d1b94fec1f8c3984e9/FLAGfe698413c [2019-09-20 17:21:07,219 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/707b3110a/9429d6d1c17845d1b94fec1f8c3984e9 [2019-09-20 17:21:07,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:21:07,234 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:21:07,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:21:07,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:21:07,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:21:07,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:21:07" (1/1) ... [2019-09-20 17:21:07,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f458dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:07, skipping insertion in model container [2019-09-20 17:21:07,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:21:07" (1/1) ... [2019-09-20 17:21:07,252 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:21:07,275 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:21:07,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:21:07,471 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:21:07,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:21:07,512 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:21:07,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:07 WrapperNode [2019-09-20 17:21:07,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:21:07,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:21:07,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:21:07,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:21:07,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:07" (1/1) ... [2019-09-20 17:21:07,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:07" (1/1) ... [2019-09-20 17:21:07,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:07" (1/1) ... [2019-09-20 17:21:07,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:07" (1/1) ... [2019-09-20 17:21:07,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:07" (1/1) ... [2019-09-20 17:21:07,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:07" (1/1) ... [2019-09-20 17:21:07,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:07" (1/1) ... [2019-09-20 17:21:07,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:21:07,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:21:07,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:21:07,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:21:07,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:07" (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 17:21:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:21:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:21:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:21:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:21:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 17:21:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 17:21:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:21:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:21:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:21:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:21:07,924 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:21:07,924 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 17:21:07,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:21:07 BoogieIcfgContainer [2019-09-20 17:21:07,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:21:07,927 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:21:07,927 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:21:07,928 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:21:07,936 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:21:07" (1/1) ... [2019-09-20 17:21:07,940 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 17:21:07,993 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-20 17:21:07,993 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:21:08,011 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:21:08,029 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:21:08,033 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:21:08,178 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-20 17:21:08,378 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2019-09-20 17:21:08,684 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2019-09-20 17:21:08,855 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2019-09-20 17:21:09,106 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2019-09-20 17:21:09,353 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2019-09-20 17:21:09,649 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-09-20 17:21:10,007 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2019-09-20 17:21:10,305 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-20 17:21:10,420 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:21:10,783 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 17:21:10,911 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 39 [2019-09-20 17:21:11,131 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-09-20 17:21:11,249 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2019-09-20 17:21:11,442 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2019-09-20 17:21:11,719 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-20 17:21:11,896 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 40 [2019-09-20 17:21:12,105 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-09-20 17:21:12,220 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2019-09-20 17:21:12,461 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-20 17:21:12,739 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-20 17:21:12,933 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 40 [2019-09-20 17:21:13,162 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-09-20 17:21:13,281 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2019-09-20 17:21:13,486 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-20 17:21:13,765 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-20 17:21:13,931 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 40 [2019-09-20 17:21:14,132 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-09-20 17:21:14,241 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2019-09-20 17:21:14,466 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-20 17:21:14,737 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-20 17:21:14,853 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 38 [2019-09-20 17:21:15,047 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-09-20 17:21:15,151 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-09-20 17:21:15,345 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-20 17:21:15,610 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-20 17:21:15,732 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2019-09-20 17:21:15,946 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-20 17:21:16,234 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2019-09-20 17:21:16,364 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 17:21:16,689 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-20 17:21:17,007 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-09-20 17:21:17,307 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 48 [2019-09-20 17:21:17,409 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-09-20 17:21:17,672 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2019-09-20 17:21:17,953 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2019-09-20 17:21:18,068 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 17:21:18,327 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-20 17:21:18,441 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2019-09-20 17:21:18,647 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-20 17:21:19,003 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-09-20 17:21:19,160 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-20 17:21:19,537 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-20 17:21:19,829 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-20 17:21:20,198 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2019-09-20 17:21:20,312 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 17:21:20,643 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2019-09-20 17:21:20,973 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2019-09-20 17:21:21,125 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:21:21,458 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-20 17:21:21,777 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-20 17:21:22,132 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2019-09-20 17:21:22,315 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:21:22,639 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2019-09-20 17:21:22,938 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-09-20 17:21:23,145 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2019-09-20 17:21:23,418 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-09-20 17:21:23,764 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2019-09-20 17:21:23,923 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:21:24,277 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-20 17:21:24,583 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-20 17:21:24,968 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 64 [2019-09-20 17:21:25,149 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 17:21:25,527 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-09-20 17:21:25,838 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-09-20 17:21:26,171 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 52 [2019-09-20 17:21:26,278 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 17:21:26,596 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2019-09-20 17:21:27,017 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-20 17:21:27,223 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 17:21:27,713 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2019-09-20 17:21:27,907 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2019-09-20 17:21:28,111 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2019-09-20 17:21:28,429 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2019-09-20 17:21:28,585 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 17:21:28,919 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-20 17:21:29,215 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-20 17:21:29,543 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2019-09-20 17:21:29,646 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 17:21:29,945 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2019-09-20 17:21:30,239 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2019-09-20 17:21:30,370 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:21:30,733 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-09-20 17:21:31,054 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-20 17:21:31,375 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2019-09-20 17:21:31,530 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:21:31,865 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2019-09-20 17:21:32,161 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-09-20 17:21:32,362 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 53 [2019-09-20 17:21:32,758 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-09-20 17:21:33,142 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2019-09-20 17:21:33,288 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-20 17:21:33,602 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-09-20 17:21:33,747 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2019-09-20 17:21:33,951 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2019-09-20 17:21:34,368 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2019-09-20 17:21:34,559 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:21:34,886 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-09-20 17:21:35,195 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-09-20 17:21:35,437 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2019-09-20 17:21:35,738 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2019-09-20 17:21:36,094 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2019-09-20 17:21:36,247 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-20 17:21:36,536 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2019-09-20 17:21:36,832 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-20 17:21:37,142 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2019-09-20 17:21:37,291 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 17:21:37,609 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2019-09-20 17:21:37,912 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-09-20 17:21:38,184 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 46 [2019-09-20 17:21:38,508 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-09-20 17:21:38,831 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2019-09-20 17:21:39,114 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-20 17:21:39,409 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-09-20 17:21:39,707 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2019-09-20 17:21:39,849 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 17:21:40,158 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2019-09-20 17:21:40,271 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 17:21:40,466 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-09-20 17:21:40,759 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 48 [2019-09-20 17:21:41,113 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-20 17:21:41,375 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2019-09-20 17:21:41,491 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 17:21:41,714 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2019-09-20 17:21:42,027 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-09-20 17:21:42,345 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2019-09-20 17:21:42,488 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-20 17:21:42,771 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-09-20 17:21:42,891 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:21:43,112 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2019-09-20 17:21:43,347 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 52 [2019-09-20 17:21:43,646 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-20 17:21:43,992 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-20 17:21:44,150 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 17:21:44,593 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-09-20 17:21:44,889 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-09-20 17:21:45,233 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2019-09-20 17:21:45,397 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-20 17:21:45,741 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-09-20 17:21:46,049 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-09-20 17:21:46,373 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2019-09-20 17:21:46,477 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 17:21:46,758 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2019-09-20 17:21:47,073 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2019-09-20 17:21:47,213 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:21:47,525 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-20 17:21:47,824 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-09-20 17:21:48,182 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2019-09-20 17:21:48,356 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 17:21:48,704 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-09-20 17:21:49,001 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-09-20 17:21:49,280 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 56 [2019-09-20 17:21:49,623 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2019-09-20 17:21:50,009 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2019-09-20 17:21:50,114 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-20 17:21:50,346 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-09-20 17:21:50,513 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2019-09-20 17:21:50,722 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2019-09-20 17:21:51,051 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2019-09-20 17:21:51,215 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 17:21:51,538 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-09-20 17:21:51,837 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-09-20 17:21:52,142 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55