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.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 14:17:09,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 14:17:09,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 14:17:09,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 14:17:09,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 14:17:09,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 14:17:09,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 14:17:09,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 14:17:09,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 14:17:09,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 14:17:09,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 14:17:09,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 14:17:09,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 14:17:09,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 14:17:09,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 14:17:09,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 14:17:09,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 14:17:09,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 14:17:09,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 14:17:09,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 14:17:09,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 14:17:09,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 14:17:09,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 14:17:09,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 14:17:09,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 14:17:09,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 14:17:09,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 14:17:09,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 14:17:09,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 14:17:09,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 14:17:09,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 14:17:09,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 14:17:09,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 14:17:09,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 14:17:09,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 14:17:09,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 14:17:09,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 14:17:09,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 14:17:09,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 14:17:09,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 14:17:09,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 14:17:09,928 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 [2019-10-04 14:17:09,943 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 14:17:09,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 14:17:09,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 14:17:09,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 14:17:09,945 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 14:17:09,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 14:17:09,946 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 14:17:09,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 14:17:09,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 14:17:09,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 14:17:09,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 14:17:09,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 14:17:09,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 14:17:09,947 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 14:17:09,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 14:17:09,947 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 14:17:09,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 14:17:09,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 14:17:09,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 14:17:09,948 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 14:17:09,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 14:17:09,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 14:17:09,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 14:17:09,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 14:17:09,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 14:17:09,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 14:17:09,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 14:17:09,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 14:17:09,950 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 14:17:09,983 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 14:17:10,001 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 14:17:10,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 14:17:10,010 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 14:17:10,011 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 14:17:10,012 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_11.cil.c [2019-10-04 14:17:10,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20cc23506/92b891635a5749628fa653b7872d3ea6/FLAG0fce7e90b [2019-10-04 14:17:10,680 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 14:17:10,680 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_11.cil.c [2019-10-04 14:17:10,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20cc23506/92b891635a5749628fa653b7872d3ea6/FLAG0fce7e90b [2019-10-04 14:17:10,958 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20cc23506/92b891635a5749628fa653b7872d3ea6 [2019-10-04 14:17:10,970 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 14:17:10,971 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 14:17:10,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 14:17:10,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 14:17:10,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 14:17:10,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 02:17:10" (1/1) ... [2019-10-04 14:17:10,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df8236c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:17:10, skipping insertion in model container [2019-10-04 14:17:10,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 02:17:10" (1/1) ... [2019-10-04 14:17:10,985 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 14:17:11,046 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 14:17:11,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 14:17:11,441 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 14:17:11,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 14:17:11,526 INFO L192 MainTranslator]: Completed translation [2019-10-04 14:17:11,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:17:11 WrapperNode [2019-10-04 14:17:11,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 14:17:11,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 14:17:11,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 14:17:11,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 14:17:11,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:17:11" (1/1) ... [2019-10-04 14:17:11,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:17:11" (1/1) ... [2019-10-04 14:17:11,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:17:11" (1/1) ... [2019-10-04 14:17:11,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:17:11" (1/1) ... [2019-10-04 14:17:11,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:17:11" (1/1) ... [2019-10-04 14:17:11,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:17:11" (1/1) ... [2019-10-04 14:17:11,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:17:11" (1/1) ... [2019-10-04 14:17:11,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 14:17:11,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 14:17:11,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 14:17:11,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 14:17:11,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:17:11" (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 [2019-10-04 14:17:11,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 14:17:11,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 14:17:11,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2019-10-04 14:17:11,684 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 14:17:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 14:17:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-04 14:17:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 14:17:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-04 14:17:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-04 14:17:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-04 14:17:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2019-10-04 14:17:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 14:17:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 14:17:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 14:17:11,938 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-04 14:17:12,511 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2019-10-04 14:17:12,513 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2019-10-04 14:17:12,786 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 14:17:12,786 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-04 14:17:12,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:17:12 BoogieIcfgContainer [2019-10-04 14:17:12,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 14:17:12,789 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 14:17:12,789 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 14:17:12,789 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 14:17:12,790 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:17:12" (1/1) ... [2019-10-04 14:17:12,791 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 14:17:12,817 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 14:17:12,818 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 14:17:12,827 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 14:17:12,837 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 14:17:12,838 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 14:17:12,937 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-04 14:17:12,952 INFO L199 IcfgInterpreter]: Interpreting procedure ssl3_accept with input of size 3 for LOIs [2019-10-04 14:18:16,008 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2019-10-04 14:18:16,509 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2019-10-04 14:18:17,887 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 176 [2019-10-04 14:18:18,021 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 169 [2019-10-04 14:18:18,133 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-04 14:18:18,393 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 176 [2019-10-04 14:18:18,538 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-04 14:18:19,248 WARN L191 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-10-04 14:18:19,456 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-04 14:18:19,869 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-04 14:18:20,114 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2019-10-04 14:18:20,226 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-04 14:18:20,414 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 201 [2019-10-04 14:18:22,324 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-10-04 14:18:22,509 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2019-10-04 14:18:24,537 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-10-04 14:18:26,531 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-04 14:18:28,559 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2019-10-04 14:18:30,299 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-04 14:18:35,836 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-04 14:18:37,584 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-04 14:18:39,426 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2019-10-04 14:18:41,354 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2019-10-04 14:18:42,900 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 253 [2019-10-04 14:18:43,403 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2019-10-04 14:18:44,203 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2019-10-04 14:18:44,509 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-04 14:18:44,666 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2019-10-04 14:18:46,639 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-10-04 14:18:48,615 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-04 14:18:52,368 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 194 [2019-10-04 14:19:34,697 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2019-10-04 14:21:22,636 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2019-10-04 14:23:51,994 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2019-10-04 14:26:32,301 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 216