/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/loop-invgen/apache-get-tag.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:27:48,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:27:48,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:27:48,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:27:48,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:27:48,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:27:48,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:27:48,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:27:48,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:27:48,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:27:48,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:27:48,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:27:48,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:27:48,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:27:48,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:27:48,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:27:48,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:27:48,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:27:48,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:27:48,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:27:48,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:27:48,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:27:48,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:27:48,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:27:48,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:27:48,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:27:48,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:27:48,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:27:48,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:27:48,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:27:48,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:27:48,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:27:48,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:27:48,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:27:48,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:27:48,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:27:48,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:27:48,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:27:48,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:27:48,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:27:48,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:27:48,860 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 16:27:48,894 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:27:48,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:27:48,895 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:27:48,896 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:27:48,899 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:27:48,899 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:27:48,899 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:27:48,899 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:27:48,900 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:27:48,900 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:27:48,900 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:27:48,900 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:27:48,900 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:27:48,901 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:27:48,901 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:27:48,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:27:48,902 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:27:48,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:27:48,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:27:48,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:27:48,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:27:48,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:27:48,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:27:48,904 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:27:48,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:27:48,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:27:48,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:27:48,905 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:27:48,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:27:48,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:27:48,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:27:48,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:27:48,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:27:48,906 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:27:48,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:27:48,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:27:48,908 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:27:48,908 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:27:49,174 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:27:49,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:27:49,193 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:27:49,194 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:27:49,194 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:27:49,195 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2019-11-24 16:27:49,265 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/088e0fa15/92a994ccb22941dc963e257591bfd22a/FLAGb20508e88 [2019-11-24 16:27:49,728 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:27:49,729 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2019-11-24 16:27:49,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/088e0fa15/92a994ccb22941dc963e257591bfd22a/FLAGb20508e88 [2019-11-24 16:27:50,146 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/088e0fa15/92a994ccb22941dc963e257591bfd22a [2019-11-24 16:27:50,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:27:50,161 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:27:50,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:27:50,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:27:50,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:27:50,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:27:50" (1/1) ... [2019-11-24 16:27:50,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2372ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:27:50, skipping insertion in model container [2019-11-24 16:27:50,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:27:50" (1/1) ... [2019-11-24 16:27:50,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:27:50,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:27:50,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:27:50,438 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:27:50,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:27:50,583 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:27:50,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:27:50 WrapperNode [2019-11-24 16:27:50,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:27:50,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:27:50,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:27:50,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:27:50,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:27:50" (1/1) ... [2019-11-24 16:27:50,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:27:50" (1/1) ... [2019-11-24 16:27:50,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:27:50,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:27:50,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:27:50,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:27:50,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:27:50" (1/1) ... [2019-11-24 16:27:50,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:27:50" (1/1) ... [2019-11-24 16:27:50,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:27:50" (1/1) ... [2019-11-24 16:27:50,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:27:50" (1/1) ... [2019-11-24 16:27:50,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:27:50" (1/1) ... [2019-11-24 16:27:50,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:27:50" (1/1) ... [2019-11-24 16:27:50,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:27:50" (1/1) ... [2019-11-24 16:27:50,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:27:50,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:27:50,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:27:50,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:27:50,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:27:50" (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 16:27:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:27:50,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:27:51,225 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:27:51,226 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-24 16:27:51,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:27:51 BoogieIcfgContainer [2019-11-24 16:27:51,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:27:51,228 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:27:51,228 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:27:51,228 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:27:51,229 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:27:51" (1/1) ... [2019-11-24 16:27:51,229 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 16:27:51,253 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2019-11-24 16:27:51,254 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:27:51,261 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:27:51,267 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:27:51,269 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:27:51,603 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-11-24 16:27:52,235 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 181 [2019-11-24 16:27:52,625 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 223 [2019-11-24 16:27:52,896 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 208 [2019-11-24 16:27:53,359 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 217 [2019-11-24 16:27:53,604 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 317 [2019-11-24 16:27:53,943 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 312 [2019-11-24 16:27:54,261 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 390 [2019-11-24 16:27:54,772 WARN L192 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 386 [2019-11-24 16:27:55,259 WARN L192 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 525 [2019-11-24 16:27:55,873 WARN L192 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 518 [2019-11-24 16:27:56,727 WARN L192 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 678 [2019-11-24 16:27:58,119 WARN L192 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 672 [2019-11-24 16:27:59,300 WARN L192 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 894 DAG size of output: 883 [2019-11-24 16:28:00,851 WARN L192 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 878 DAG size of output: 873 [2019-11-24 16:28:02,771 WARN L192 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1124 DAG size of output: 1115 [2019-11-24 16:28:05,280 WARN L192 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1106 DAG size of output: 1101 [2019-11-24 16:28:08,308 WARN L192 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1395 [2019-11-24 16:28:13,094 WARN L192 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 1385 DAG size of output: 1377 [2019-11-24 16:28:18,101 WARN L192 SmtUtils]: Spent 4.75 s on a formula simplification. DAG size of input: 1921 DAG size of output: 1902 [2019-11-24 16:28:26,414 WARN L192 SmtUtils]: Spent 4.89 s on a formula simplification. DAG size of input: 1893 DAG size of output: 1879 [2019-11-24 16:28:33,249 WARN L192 SmtUtils]: Spent 4.70 s on a formula simplification that was a NOOP. DAG size: 1876 [2019-11-24 16:28:39,814 WARN L192 SmtUtils]: Spent 4.72 s on a formula simplification. DAG size of input: 1877 DAG size of output: 1877 [2019-11-24 16:28:48,733 WARN L192 SmtUtils]: Spent 8.21 s on a formula simplification. DAG size of input: 2548 DAG size of output: 2536 [2019-11-24 16:28:59,967 WARN L192 SmtUtils]: Spent 8.26 s on a formula simplification. DAG size of input: 2521 DAG size of output: 2515 [2019-11-24 16:29:15,142 WARN L192 SmtUtils]: Spent 14.43 s on a formula simplification. DAG size of input: 3402 DAG size of output: 3383