/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/loops/string-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:40:04,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:40:04,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:40:04,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:40:04,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:40:04,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:40:04,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:40:04,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:40:04,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:40:04,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:40:04,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:40:04,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:40:04,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:40:04,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:40:04,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:40:04,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:40:04,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:40:04,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:40:04,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:40:04,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:40:04,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:40:04,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:40:04,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:40:04,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:40:04,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:40:04,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:40:04,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:40:04,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:40:04,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:40:04,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:40:04,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:40:04,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:40:04,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:40:04,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:40:04,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:40:04,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:40:04,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:40:04,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:40:04,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:40:04,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:40:04,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:40:04,070 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 16:40:04,085 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:40:04,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:40:04,086 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:40:04,086 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:40:04,086 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:40:04,087 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:40:04,087 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:40:04,087 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:40:04,087 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:40:04,087 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:40:04,087 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:40:04,088 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:40:04,088 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:40:04,088 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:40:04,088 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:40:04,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:40:04,089 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:40:04,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:40:04,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:40:04,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:40:04,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:40:04,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:40:04,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:40:04,091 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:40:04,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:40:04,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:40:04,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:40:04,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:40:04,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:40:04,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:40:04,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:40:04,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:40:04,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:40:04,093 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:40:04,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:40:04,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:40:04,093 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:40:04,093 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:40:04,391 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:40:04,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:40:04,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:40:04,410 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:40:04,410 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:40:04,411 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/string-2.i [2019-11-24 16:40:04,479 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/444afb170/abb3a2946f31464f813fc5f9384c3083/FLAGb3edcf9ad [2019-11-24 16:40:04,932 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:40:04,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/string-2.i [2019-11-24 16:40:04,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/444afb170/abb3a2946f31464f813fc5f9384c3083/FLAGb3edcf9ad [2019-11-24 16:40:05,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/444afb170/abb3a2946f31464f813fc5f9384c3083 [2019-11-24 16:40:05,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:40:05,347 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:40:05,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:40:05,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:40:05,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:40:05,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@711581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05, skipping insertion in model container [2019-11-24 16:40:05,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:40:05,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:40:05,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:40:05,574 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:40:05,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:40:05,702 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:40:05,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05 WrapperNode [2019-11-24 16:40:05,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:40:05,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:40:05,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:40:05,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:40:05,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:40:05,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:40:05,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:40:05,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:40:05,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:40:05,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:40:05,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:40:05,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:40:05,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05" (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 16:40:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 16:40:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:40:05,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:40:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 16:40:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 16:40:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 16:40:06,301 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:40:06,302 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-24 16:40:06,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:40:06 BoogieIcfgContainer [2019-11-24 16:40:06,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:40:06,304 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:40:06,304 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:40:06,305 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:40:06,305 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:40:06" (1/1) ... [2019-11-24 16:40:06,306 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 16:40:06,326 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:40:06,327 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:40:06,334 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:40:06,341 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:40:06,342 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:40:10,140 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:40:10,735 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:40:10,756 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:40:11,738 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 16:40:11,922 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 150 [2019-11-24 16:40:12,057 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 16:40:12,271 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 168 [2019-11-24 16:40:12,448 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2019-11-24 16:40:12,649 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2019-11-24 16:40:12,878 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2019-11-24 16:40:13,180 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 254 [2019-11-24 16:40:13,471 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2019-11-24 16:40:13,809 WARN L192 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 312 [2019-11-24 16:40:14,168 WARN L192 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2019-11-24 16:40:14,732 WARN L192 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 389 [2019-11-24 16:40:15,282 WARN L192 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 467 [2019-11-24 16:40:16,126 WARN L192 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 451 [2019-11-24 16:40:16,750 WARN L192 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-11-24 16:40:17,256 WARN L192 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 447 [2019-11-24 16:40:18,069 WARN L192 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-11-24 16:40:18,932 WARN L192 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 534 [2019-11-24 16:40:20,184 WARN L192 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 659 DAG size of output: 657 [2019-11-24 16:40:21,544 WARN L192 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 657 DAG size of output: 657 [2019-11-24 16:40:23,698 WARN L192 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 846 DAG size of output: 845 [2019-11-24 16:40:26,843 WARN L192 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 845 DAG size of output: 842 [2019-11-24 16:40:30,492 WARN L192 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 1090 DAG size of output: 1089 [2019-11-24 16:40:34,426 WARN L192 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 1089 DAG size of output: 1089 [2019-11-24 16:40:40,139 WARN L192 SmtUtils]: Spent 5.61 s on a formula simplification. DAG size of input: 1357 DAG size of output: 1356 [2019-11-24 16:40:46,384 WARN L192 SmtUtils]: Spent 5.92 s on a formula simplification. DAG size of input: 1356 DAG size of output: 1355 [2019-11-24 16:40:55,552 WARN L192 SmtUtils]: Spent 9.06 s on a formula simplification. DAG size of input: 1711 DAG size of output: 1710 [2019-11-24 16:41:06,306 WARN L192 SmtUtils]: Spent 10.19 s on a formula simplification. DAG size of input: 1710 DAG size of output: 1673 [2019-11-24 16:41:13,738 WARN L192 SmtUtils]: Spent 6.93 s on a formula simplification that was a NOOP. DAG size: 1254 [2019-11-24 16:41:20,983 WARN L192 SmtUtils]: Spent 7.24 s on a formula simplification. DAG size of input: 1255 DAG size of output: 1254 [2019-11-24 16:41:28,203 WARN L192 SmtUtils]: Spent 6.74 s on a formula simplification that was a NOOP. DAG size: 1257 [2019-11-24 16:41:34,859 WARN L192 SmtUtils]: Spent 6.65 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1258