/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-programs/copysome1-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 09:53:33,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 09:53:33,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 09:53:34,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 09:53:34,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 09:53:34,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 09:53:34,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 09:53:34,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 09:53:34,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 09:53:34,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 09:53:34,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 09:53:34,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 09:53:34,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 09:53:34,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 09:53:34,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 09:53:34,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 09:53:34,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 09:53:34,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 09:53:34,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 09:53:34,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 09:53:34,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 09:53:34,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 09:53:34,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 09:53:34,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 09:53:34,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 09:53:34,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 09:53:34,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 09:53:34,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 09:53:34,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 09:53:34,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 09:53:34,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 09:53:34,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 09:53:34,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 09:53:34,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 09:53:34,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 09:53:34,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 09:53:34,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 09:53:34,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 09:53:34,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 09:53:34,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 09:53:34,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 09:53:34,048 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 09:53:34,062 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 09:53:34,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 09:53:34,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 09:53:34,064 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 09:53:34,064 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 09:53:34,064 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 09:53:34,064 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 09:53:34,064 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 09:53:34,065 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 09:53:34,065 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 09:53:34,065 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 09:53:34,065 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 09:53:34,065 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 09:53:34,066 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 09:53:34,066 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 09:53:34,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 09:53:34,067 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 09:53:34,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 09:53:34,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 09:53:34,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 09:53:34,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 09:53:34,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 09:53:34,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 09:53:34,068 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 09:53:34,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 09:53:34,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 09:53:34,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 09:53:34,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 09:53:34,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 09:53:34,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 09:53:34,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 09:53:34,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 09:53:34,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 09:53:34,070 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 09:53:34,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 09:53:34,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 09:53:34,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 09:53:34,071 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 09:53:34,333 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 09:53:34,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 09:53:34,348 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 09:53:34,350 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 09:53:34,350 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 09:53:34,351 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-programs/copysome1-2.i [2019-11-24 09:53:34,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/381067076/b7ed28e513a949e787472ba72bb58b74/FLAG479a860b9 [2019-11-24 09:53:34,819 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 09:53:34,820 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-programs/copysome1-2.i [2019-11-24 09:53:34,825 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/381067076/b7ed28e513a949e787472ba72bb58b74/FLAG479a860b9 [2019-11-24 09:53:35,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/381067076/b7ed28e513a949e787472ba72bb58b74 [2019-11-24 09:53:35,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 09:53:35,259 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 09:53:35,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 09:53:35,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 09:53:35,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 09:53:35,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:53:35" (1/1) ... [2019-11-24 09:53:35,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b695465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:53:35, skipping insertion in model container [2019-11-24 09:53:35,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:53:35" (1/1) ... [2019-11-24 09:53:35,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 09:53:35,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 09:53:35,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 09:53:35,454 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 09:53:35,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 09:53:35,496 INFO L208 MainTranslator]: Completed translation [2019-11-24 09:53:35,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:53:35 WrapperNode [2019-11-24 09:53:35,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 09:53:35,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 09:53:35,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 09:53:35,498 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 09:53:35,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:53:35" (1/1) ... [2019-11-24 09:53:35,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:53:35" (1/1) ... [2019-11-24 09:53:35,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 09:53:35,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 09:53:35,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 09:53:35,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 09:53:35,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:53:35" (1/1) ... [2019-11-24 09:53:35,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:53:35" (1/1) ... [2019-11-24 09:53:35,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:53:35" (1/1) ... [2019-11-24 09:53:35,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:53:35" (1/1) ... [2019-11-24 09:53:35,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:53:35" (1/1) ... [2019-11-24 09:53:35,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:53:35" (1/1) ... [2019-11-24 09:53:35,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:53:35" (1/1) ... [2019-11-24 09:53:35,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 09:53:35,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 09:53:35,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 09:53:35,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 09:53:35,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:53:35" (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 09:53:35,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 09:53:35,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 09:53:35,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 09:53:35,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 09:53:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 09:53:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 09:53:36,104 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 09:53:36,105 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-24 09:53:36,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:53:36 BoogieIcfgContainer [2019-11-24 09:53:36,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 09:53:36,107 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 09:53:36,107 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 09:53:36,107 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 09:53:36,108 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:53:36" (1/1) ... [2019-11-24 09:53:36,109 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 09:53:36,132 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 09:53:36,133 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 09:53:36,140 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 09:53:36,147 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 09:53:36,150 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 09:53:39,532 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 09:53:39,717 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 174 [2019-11-24 09:53:42,105 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2019-11-24 09:53:44,076 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2019-11-24 09:53:45,985 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2019-11-24 09:53:50,902 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 203 [2019-11-24 09:53:53,419 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2019-11-24 09:53:58,056 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2019-11-24 09:54:09,359 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 237 [2019-11-24 09:54:12,483 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 241 [2019-11-24 09:54:15,559 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 243 [2019-11-24 09:54:18,546 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 245 [2019-11-24 09:54:21,680 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 248 [2019-11-24 09:54:25,027 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 251 [2019-11-24 09:54:28,305 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 254 [2019-11-24 09:54:31,659 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 258 [2019-11-24 09:54:35,624 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 265 [2019-11-24 09:54:39,400 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2019-11-24 09:54:43,210 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 270 [2019-11-24 09:54:46,988 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 273 [2019-11-24 09:54:51,558 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2019-11-24 09:54:56,035 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2019-11-24 09:55:00,369 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 286 [2019-11-24 09:55:04,701 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 289