/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/array-crafted/bAnd3.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 09:21:50,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 09:21:50,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 09:21:50,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 09:21:50,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 09:21:50,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 09:21:50,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 09:21:50,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 09:21:50,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 09:21:50,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 09:21:50,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 09:21:50,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 09:21:50,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 09:21:50,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 09:21:50,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 09:21:50,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 09:21:50,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 09:21:50,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 09:21:50,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 09:21:50,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 09:21:50,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 09:21:50,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 09:21:50,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 09:21:50,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 09:21:50,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 09:21:50,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 09:21:50,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 09:21:50,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 09:21:50,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 09:21:50,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 09:21:50,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 09:21:50,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 09:21:50,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 09:21:50,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 09:21:50,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 09:21:50,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 09:21:50,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 09:21:50,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 09:21:50,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 09:21:50,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 09:21:50,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 09:21:50,217 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 09:21:50,232 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 09:21:50,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 09:21:50,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 09:21:50,233 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 09:21:50,233 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 09:21:50,233 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 09:21:50,233 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 09:21:50,234 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 09:21:50,234 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 09:21:50,234 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 09:21:50,234 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 09:21:50,234 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 09:21:50,235 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 09:21:50,235 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 09:21:50,235 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 09:21:50,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 09:21:50,236 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 09:21:50,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 09:21:50,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 09:21:50,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 09:21:50,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 09:21:50,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 09:21:50,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 09:21:50,237 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 09:21:50,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 09:21:50,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 09:21:50,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 09:21:50,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 09:21:50,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 09:21:50,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 09:21:50,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 09:21:50,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 09:21:50,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 09:21:50,239 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 09:21:50,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 09:21:50,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 09:21:50,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 09:21:50,240 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 09:21:50,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 09:21:50,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 09:21:50,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 09:21:50,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 09:21:50,540 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 09:21:50,541 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/bAnd3.i [2019-11-24 09:21:50,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5144152f/bac5c3f0346444de889a22a614c51cea/FLAG527634c0b [2019-11-24 09:21:51,044 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 09:21:51,045 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/bAnd3.i [2019-11-24 09:21:51,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5144152f/bac5c3f0346444de889a22a614c51cea/FLAG527634c0b [2019-11-24 09:21:51,458 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5144152f/bac5c3f0346444de889a22a614c51cea [2019-11-24 09:21:51,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 09:21:51,471 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 09:21:51,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 09:21:51,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 09:21:51,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 09:21:51,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:21:51" (1/1) ... [2019-11-24 09:21:51,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@104b8552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:51, skipping insertion in model container [2019-11-24 09:21:51,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:21:51" (1/1) ... [2019-11-24 09:21:51,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 09:21:51,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 09:21:51,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 09:21:51,748 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 09:21:51,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 09:21:51,892 INFO L208 MainTranslator]: Completed translation [2019-11-24 09:21:51,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:51 WrapperNode [2019-11-24 09:21:51,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 09:21:51,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 09:21:51,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 09:21:51,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 09:21:51,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:51" (1/1) ... [2019-11-24 09:21:51,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:51" (1/1) ... [2019-11-24 09:21:51,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 09:21:51,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 09:21:51,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 09:21:51,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 09:21:51,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:51" (1/1) ... [2019-11-24 09:21:51,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:51" (1/1) ... [2019-11-24 09:21:51,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:51" (1/1) ... [2019-11-24 09:21:51,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:51" (1/1) ... [2019-11-24 09:21:51,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:51" (1/1) ... [2019-11-24 09:21:51,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:51" (1/1) ... [2019-11-24 09:21:51,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:51" (1/1) ... [2019-11-24 09:21:52,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 09:21:52,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 09:21:52,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 09:21:52,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 09:21:52,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:51" (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 [2019-11-24 09:21:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 09:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 09:21:52,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 09:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 09:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 09:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 09:21:52,544 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 09:21:52,544 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-11-24 09:21:52,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:21:52 BoogieIcfgContainer [2019-11-24 09:21:52,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 09:21:52,546 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 09:21:52,546 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 09:21:52,547 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 09:21:52,548 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:21:52" (1/1) ... [2019-11-24 09:21:52,548 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 [2019-11-24 09:21:52,576 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 09:21:52,576 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 09:21:52,584 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 09:21:52,592 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 09:21:52,594 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 09:22:05,602 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2019-11-24 09:22:05,734 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 199 [2019-11-24 09:22:51,415 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 315 [2019-11-24 09:22:51,528 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 308 [2019-11-24 09:22:59,125 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 320 [2019-11-24 09:23:02,135 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2019-11-24 09:23:02,429 WARN L192 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 327 [2019-11-24 09:23:04,794 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 333 [2019-11-24 09:23:04,907 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 329 [2019-11-24 09:23:05,145 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 332 [2019-11-24 09:23:07,573 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 337 [2019-11-24 09:23:10,396 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2019-11-24 09:23:10,513 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 341 [2019-11-24 09:23:13,074 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 344 [2019-11-24 09:23:13,188 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 345 [2019-11-24 09:23:15,858 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2019-11-24 09:23:16,005 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 348 [2019-11-24 09:23:18,614 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2019-11-24 09:23:18,765 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 349 [2019-11-24 09:23:21,280 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 352 [2019-11-24 09:23:21,418 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 352 [2019-11-24 09:23:24,057 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2019-11-24 09:23:24,207 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 356