/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-examples/standard_copy1_ground-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 09:33:04,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 09:33:04,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 09:33:04,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 09:33:04,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 09:33:04,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 09:33:04,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 09:33:04,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 09:33:04,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 09:33:04,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 09:33:04,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 09:33:04,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 09:33:04,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 09:33:04,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 09:33:04,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 09:33:04,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 09:33:04,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 09:33:04,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 09:33:04,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 09:33:04,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 09:33:04,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 09:33:04,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 09:33:04,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 09:33:04,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 09:33:04,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 09:33:04,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 09:33:04,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 09:33:04,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 09:33:04,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 09:33:04,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 09:33:04,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 09:33:04,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 09:33:04,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 09:33:04,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 09:33:04,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 09:33:04,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 09:33:04,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 09:33:04,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 09:33:04,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 09:33:04,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 09:33:04,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 09:33:04,790 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 09:33:04,806 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 09:33:04,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 09:33:04,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 09:33:04,807 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 09:33:04,807 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 09:33:04,807 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 09:33:04,808 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 09:33:04,808 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 09:33:04,808 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 09:33:04,808 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 09:33:04,808 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 09:33:04,808 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 09:33:04,809 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 09:33:04,809 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 09:33:04,809 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 09:33:04,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 09:33:04,810 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 09:33:04,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 09:33:04,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 09:33:04,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 09:33:04,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 09:33:04,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 09:33:04,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 09:33:04,811 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 09:33:04,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 09:33:04,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 09:33:04,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 09:33:04,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 09:33:04,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 09:33:04,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 09:33:04,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 09:33:04,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 09:33:04,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 09:33:04,813 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 09:33:04,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 09:33:04,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 09:33:04,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 09:33:04,814 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 09:33:05,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 09:33:05,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 09:33:05,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 09:33:05,112 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 09:33:05,113 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 09:33:05,113 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_copy1_ground-2.i [2019-11-24 09:33:05,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a83cd9bc6/6baae9588fb54528b41aaf3c298bbd0b/FLAGeb88784f8 [2019-11-24 09:33:05,651 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 09:33:05,651 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_copy1_ground-2.i [2019-11-24 09:33:05,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a83cd9bc6/6baae9588fb54528b41aaf3c298bbd0b/FLAGeb88784f8 [2019-11-24 09:33:06,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a83cd9bc6/6baae9588fb54528b41aaf3c298bbd0b [2019-11-24 09:33:06,057 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 09:33:06,059 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 09:33:06,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 09:33:06,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 09:33:06,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 09:33:06,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:33:06" (1/1) ... [2019-11-24 09:33:06,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd6405c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:33:06, skipping insertion in model container [2019-11-24 09:33:06,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:33:06" (1/1) ... [2019-11-24 09:33:06,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 09:33:06,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 09:33:06,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 09:33:06,279 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 09:33:06,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 09:33:06,329 INFO L208 MainTranslator]: Completed translation [2019-11-24 09:33:06,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:33:06 WrapperNode [2019-11-24 09:33:06,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 09:33:06,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 09:33:06,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 09:33:06,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 09:33:06,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:33:06" (1/1) ... [2019-11-24 09:33:06,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:33:06" (1/1) ... [2019-11-24 09:33:06,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 09:33:06,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 09:33:06,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 09:33:06,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 09:33:06,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:33:06" (1/1) ... [2019-11-24 09:33:06,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:33:06" (1/1) ... [2019-11-24 09:33:06,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:33:06" (1/1) ... [2019-11-24 09:33:06,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:33:06" (1/1) ... [2019-11-24 09:33:06,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:33:06" (1/1) ... [2019-11-24 09:33:06,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:33:06" (1/1) ... [2019-11-24 09:33:06,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:33:06" (1/1) ... [2019-11-24 09:33:06,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 09:33:06,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 09:33:06,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 09:33:06,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 09:33:06,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:33:06" (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 09:33:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 09:33:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 09:33:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 09:33:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 09:33:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 09:33:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 09:33:06,923 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 09:33:06,923 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-24 09:33:06,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:33:06 BoogieIcfgContainer [2019-11-24 09:33:06,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 09:33:06,925 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 09:33:06,925 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 09:33:06,926 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 09:33:06,927 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:33:06" (1/1) ... [2019-11-24 09:33:06,927 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 09:33:06,952 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 09:33:06,953 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 09:33:06,960 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 09:33:06,967 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 09:33:06,968 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 09:33:10,457 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 162 [2019-11-24 09:33:12,367 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 177 [2019-11-24 09:33:22,514 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2019-11-24 09:33:25,921 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 194 [2019-11-24 09:33:28,833 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 217 [2019-11-24 09:33:41,436 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 236 [2019-11-24 09:33:44,702 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 234 [2019-11-24 09:33:48,059 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2019-11-24 09:33:52,152 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 244 [2019-11-24 09:33:55,878 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2019-11-24 09:33:59,729 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2019-11-24 09:34:04,532 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 264 [2019-11-24 09:34:09,165 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 264 [2019-11-24 09:34:13,732 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2019-11-24 09:34:18,652 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 271 [2019-11-24 09:34:23,570 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 275 [2019-11-24 09:34:28,193 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 277 [2019-11-24 09:34:32,905 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 279 [2019-11-24 09:34:37,924 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 281