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/mannadiv.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:22:57,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:22:57,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:22:57,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:22:57,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:22:57,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:22:57,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:22:57,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:22:57,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:22:57,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:22:57,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:22:57,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:22:57,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:22:57,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:22:57,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:22:57,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:22:57,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:22:57,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:22:57,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:22:57,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:22:57,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:22:57,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:22:57,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:22:57,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:22:57,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:22:57,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:22:57,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:22:57,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:22:57,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:22:57,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:22:57,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:22:57,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:22:57,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:22:57,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:22:57,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:22:57,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:22:57,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:22:57,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:22:57,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:22:57,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:22:57,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:22:57,910 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 17:22:57,924 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:22:57,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:22:57,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:22:57,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:22:57,925 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:22:57,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:22:57,926 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:22:57,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:22:57,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:22:57,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:22:57,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:22:57,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:22:57,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:22:57,927 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:22:57,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:22:57,928 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:22:57,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:22:57,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:22:57,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:22:57,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:22:57,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:22:57,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:22:57,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:22:57,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:22:57,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:22:57,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:22:57,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:22:57,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:22:57,930 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 17:22:57,964 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:22:57,976 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:22:57,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:22:57,980 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:22:57,981 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:22:57,981 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/mannadiv.c [2019-09-20 17:22:58,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eb455f67/f56d58cc6a9e44cbbde4dffb564ebd40/FLAG2c1e3dfa1 [2019-09-20 17:22:58,456 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:22:58,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/mannadiv.c [2019-09-20 17:22:58,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eb455f67/f56d58cc6a9e44cbbde4dffb564ebd40/FLAG2c1e3dfa1 [2019-09-20 17:22:58,852 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eb455f67/f56d58cc6a9e44cbbde4dffb564ebd40 [2019-09-20 17:22:58,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:22:58,862 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:22:58,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:22:58,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:22:58,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:22:58,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:22:58" (1/1) ... [2019-09-20 17:22:58,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@210016e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:58, skipping insertion in model container [2019-09-20 17:22:58,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:22:58" (1/1) ... [2019-09-20 17:22:58,874 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:22:58,889 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:22:59,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:22:59,053 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:22:59,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:22:59,085 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:22:59,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:59 WrapperNode [2019-09-20 17:22:59,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:22:59,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:22:59,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:22:59,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:22:59,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:59" (1/1) ... [2019-09-20 17:22:59,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:59" (1/1) ... [2019-09-20 17:22:59,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:59" (1/1) ... [2019-09-20 17:22:59,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:59" (1/1) ... [2019-09-20 17:22:59,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:59" (1/1) ... [2019-09-20 17:22:59,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:59" (1/1) ... [2019-09-20 17:22:59,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:59" (1/1) ... [2019-09-20 17:22:59,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:22:59,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:22:59,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:22:59,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:22:59,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:22:59" (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 17:22:59,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:22:59,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:22:59,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 17:22:59,256 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:22:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:22:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:22:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 17:22:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 17:22:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:22:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:22:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:22:59,484 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:22:59,484 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 17:22:59,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:22:59 BoogieIcfgContainer [2019-09-20 17:22:59,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:22:59,486 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:22:59,486 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:22:59,487 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:22:59,493 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:22:59" (1/1) ... [2019-09-20 17:22:59,494 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 17:22:59,528 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:22:59,528 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:22:59,536 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:22:59,544 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:22:59,546 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:22:59,614 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 17:22:59,888 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-09-20 17:23:00,136 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2019-09-20 17:23:00,302 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2019-09-20 17:23:00,580 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-20 17:23:05,969 WARN L191 SmtUtils]: Spent 5.31 s on a formula simplification. DAG size of input: 86 DAG size of output: 68 [2019-09-20 17:23:08,128 WARN L191 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 17:23:12,499 WARN L191 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-09-20 17:23:12,864 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-20 17:23:13,075 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:23:13,486 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2019-09-20 17:23:16,156 WARN L191 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 141 DAG size of output: 106 [2019-09-20 17:23:18,396 WARN L191 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 17:23:18,928 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2019-09-20 17:23:19,522 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 112 [2019-09-20 17:23:19,816 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 17:23:20,397 WARN L191 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 111 [2019-09-20 17:23:25,442 WARN L191 SmtUtils]: Spent 4.95 s on a formula simplification. DAG size of input: 185 DAG size of output: 147 [2019-09-20 17:23:25,827 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-09-20 17:23:26,634 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 147 [2019-09-20 17:23:35,537 WARN L191 SmtUtils]: Spent 8.89 s on a formula simplification. DAG size of input: 189 DAG size of output: 151 [2019-09-20 17:23:35,947 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-20 17:23:36,804 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 150 [2019-09-20 17:23:42,253 WARN L191 SmtUtils]: Spent 5.41 s on a formula simplification. DAG size of input: 250 DAG size of output: 186 [2019-09-20 17:23:44,886 WARN L191 SmtUtils]: Spent 2.63 s on a formula simplification that was a NOOP. DAG size: 186 [2019-09-20 17:23:46,130 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 186 DAG size of output: 186