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/nla-digbench/fermat1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:22:46,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:22:46,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:22:46,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:22:46,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:22:46,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:22:46,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:22:46,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:22:46,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:22:46,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:22:46,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:22:46,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:22:46,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:22:46,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:22:46,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:22:46,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:22:46,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:22:46,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:22:46,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:22:46,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:22:46,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:22:46,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:22:46,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:22:46,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:22:46,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:22:46,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:22:46,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:22:46,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:22:46,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:22:46,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:22:46,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:22:46,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:22:46,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:22:46,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:22:46,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:22:46,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:22:46,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:22:46,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:22:46,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:22:46,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:22:46,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:22:46,277 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 17:22:46,291 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:22:46,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:22:46,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:22:46,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:22:46,293 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:22:46,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:22:46,293 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:22:46,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:22:46,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:22:46,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:22:46,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:22:46,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:22:46,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:22:46,295 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:22:46,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:22:46,295 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:22:46,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:22:46,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:22:46,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:22:46,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:22:46,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:22:46,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:22:46,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:22:46,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:22:46,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:22:46,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:22:46,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:22:46,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:22:46,298 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 17:22:46,327 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:22:46,339 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:22:46,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:22:46,343 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:22:46,344 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:22:46,344 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/fermat1.c [2019-09-20 17:22:46,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d38ecbcf/11c3fde459a141efaa72b381238618a4/FLAGda9ddbf38 [2019-09-20 17:22:46,846 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:22:46,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/fermat1.c [2019-09-20 17:22:46,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d38ecbcf/11c3fde459a141efaa72b381238618a4/FLAGda9ddbf38 [2019-09-20 17:22:47,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d38ecbcf/11c3fde459a141efaa72b381238618a4 [2019-09-20 17:22:47,203 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:22:47,204 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:22:47,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:22:47,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:22:47,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:22:47,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:22:47" (1/1) ... [2019-09-20 17:22:47,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6786a740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:47, skipping insertion in model container [2019-09-20 17:22:47,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:22:47" (1/1) ... [2019-09-20 17:22:47,224 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:22:47,246 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:22:47,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:22:47,432 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:22:47,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:22:47,486 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:22:47,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:47 WrapperNode [2019-09-20 17:22:47,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:22:47,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:22:47,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:22:47,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:22:47,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:47" (1/1) ... [2019-09-20 17:22:47,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:47" (1/1) ... [2019-09-20 17:22:47,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:47" (1/1) ... [2019-09-20 17:22:47,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:47" (1/1) ... [2019-09-20 17:22:47,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:47" (1/1) ... [2019-09-20 17:22:47,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:47" (1/1) ... [2019-09-20 17:22:47,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:47" (1/1) ... [2019-09-20 17:22:47,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:22:47,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:22:47,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:22:47,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:22:47,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:47" (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 17:22:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:22:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:22:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 17:22:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:22:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:22:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-20 17:22:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 17:22:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 17:22:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:22:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:22:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:22:47,936 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:22:47,936 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 17:22:47,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:22:47 BoogieIcfgContainer [2019-09-20 17:22:47,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:22:47,938 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:22:47,939 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:22:47,939 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:22:47,940 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:22:47" (1/1) ... [2019-09-20 17:22:47,941 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 17:22:47,976 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:22:47,976 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:22:47,989 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:22:48,004 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:22:48,005 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:22:48,076 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 17:22:50,394 WARN L191 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2019-09-20 17:22:52,927 WARN L191 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2019-09-20 17:22:56,080 WARN L191 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-09-20 17:22:56,379 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-20 17:23:02,965 WARN L191 SmtUtils]: Spent 6.55 s on a formula simplification. DAG size of input: 57 DAG size of output: 45 [2019-09-20 17:23:03,462 WARN L191 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-09-20 17:23:04,198 WARN L191 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2019-09-20 17:23:04,331 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 17:23:04,517 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 17:23:04,663 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2019-09-20 17:23:07,278 WARN L191 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 45 [2019-09-20 17:23:09,458 WARN L191 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 45 [2019-09-20 17:23:15,873 WARN L191 SmtUtils]: Spent 6.40 s on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2019-09-20 17:23:23,944 WARN L191 SmtUtils]: Spent 8.07 s on a formula simplification. DAG size of input: 57 DAG size of output: 45 [2019-09-20 17:23:24,881 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-09-20 17:23:27,633 WARN L191 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2019-09-20 17:23:29,966 WARN L191 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-20 17:23:30,115 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-09-20 17:23:30,233 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-09-20 17:23:30,750 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-09-20 17:23:31,097 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-09-20 17:23:31,264 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-09-20 17:23:31,584 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-20 17:23:32,185 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-20 17:23:32,344 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-09-20 17:23:32,674 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2019-09-20 17:23:33,252 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2019-09-20 17:23:33,452 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2019-09-20 17:23:33,632 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-09-20 17:23:33,798 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-09-20 17:23:33,988 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-09-20 17:23:34,145 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-09-20 17:23:34,558 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2019-09-20 17:23:34,775 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2019-09-20 17:23:34,951 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-09-20 17:23:35,192 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2019-09-20 17:23:35,359 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-20 17:23:35,725 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-20 17:23:36,059 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 31 [2019-09-20 17:23:36,192 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-09-20 17:23:36,602 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-09-20 17:23:36,998 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 35 [2019-09-20 17:23:37,146 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 35