/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/reducercommutativity/sum60-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 18:30:05,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 18:30:05,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 18:30:06,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 18:30:06,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 18:30:06,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 18:30:06,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 18:30:06,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 18:30:06,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 18:30:06,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 18:30:06,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 18:30:06,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 18:30:06,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 18:30:06,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 18:30:06,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 18:30:06,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 18:30:06,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 18:30:06,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 18:30:06,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 18:30:06,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 18:30:06,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 18:30:06,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 18:30:06,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 18:30:06,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 18:30:06,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 18:30:06,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 18:30:06,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 18:30:06,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 18:30:06,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 18:30:06,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 18:30:06,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 18:30:06,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 18:30:06,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 18:30:06,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 18:30:06,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 18:30:06,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 18:30:06,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 18:30:06,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 18:30:06,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 18:30:06,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 18:30:06,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 18:30:06,046 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 18:30:06,073 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 18:30:06,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 18:30:06,075 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 18:30:06,075 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 18:30:06,075 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 18:30:06,075 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 18:30:06,076 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 18:30:06,076 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 18:30:06,076 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 18:30:06,076 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 18:30:06,076 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 18:30:06,077 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 18:30:06,077 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 18:30:06,077 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 18:30:06,077 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 18:30:06,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 18:30:06,078 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 18:30:06,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 18:30:06,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 18:30:06,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 18:30:06,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 18:30:06,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 18:30:06,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 18:30:06,079 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 18:30:06,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 18:30:06,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 18:30:06,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 18:30:06,080 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 18:30:06,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 18:30:06,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 18:30:06,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 18:30:06,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 18:30:06,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 18:30:06,082 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 18:30:06,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 18:30:06,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 18:30:06,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 18:30:06,082 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 18:30:06,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 18:30:06,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 18:30:06,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 18:30:06,380 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 18:30:06,380 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 18:30:06,381 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sum60-2.i [2019-11-24 18:30:06,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/067ad8d07/6a70f187cbf444608bbcee2d6525a269/FLAG452c4aed4 [2019-11-24 18:30:06,886 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 18:30:06,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sum60-2.i [2019-11-24 18:30:06,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/067ad8d07/6a70f187cbf444608bbcee2d6525a269/FLAG452c4aed4 [2019-11-24 18:30:07,247 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/067ad8d07/6a70f187cbf444608bbcee2d6525a269 [2019-11-24 18:30:07,259 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 18:30:07,262 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 18:30:07,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 18:30:07,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 18:30:07,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 18:30:07,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:30:07" (1/1) ... [2019-11-24 18:30:07,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f2125e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:30:07, skipping insertion in model container [2019-11-24 18:30:07,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:30:07" (1/1) ... [2019-11-24 18:30:07,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 18:30:07,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 18:30:07,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:30:07,585 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 18:30:07,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:30:07,645 INFO L208 MainTranslator]: Completed translation [2019-11-24 18:30:07,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:30:07 WrapperNode [2019-11-24 18:30:07,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 18:30:07,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 18:30:07,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 18:30:07,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 18:30:07,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:30:07" (1/1) ... [2019-11-24 18:30:07,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:30:07" (1/1) ... [2019-11-24 18:30:07,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 18:30:07,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 18:30:07,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 18:30:07,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 18:30:07,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:30:07" (1/1) ... [2019-11-24 18:30:07,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:30:07" (1/1) ... [2019-11-24 18:30:07,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:30:07" (1/1) ... [2019-11-24 18:30:07,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:30:07" (1/1) ... [2019-11-24 18:30:07,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:30:07" (1/1) ... [2019-11-24 18:30:07,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:30:07" (1/1) ... [2019-11-24 18:30:07,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:30:07" (1/1) ... [2019-11-24 18:30:07,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 18:30:07,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 18:30:07,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 18:30:07,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 18:30:07,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:30:07" (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 18:30:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 18:30:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 18:30:07,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 18:30:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 18:30:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 18:30:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 18:30:08,355 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 18:30:08,355 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-11-24 18:30:08,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:30:08 BoogieIcfgContainer [2019-11-24 18:30:08,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 18:30:08,357 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 18:30:08,357 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 18:30:08,358 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 18:30:08,359 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:30:08" (1/1) ... [2019-11-24 18:30:08,359 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 18:30:08,383 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 18:30:08,383 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 18:30:08,390 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 18:30:08,397 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 18:30:08,398 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 18:30:58,533 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 187 [2019-11-24 18:30:58,750 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2019-11-24 18:30:58,898 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 217 [2019-11-24 18:30:59,060 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 257 [2019-11-24 18:30:59,196 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2019-11-24 18:30:59,338 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 315 [2019-11-24 18:30:59,517 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 302 [2019-11-24 18:30:59,727 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 416 [2019-11-24 18:30:59,971 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 404 [2019-11-24 18:31:00,424 WARN L192 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 592 [2019-11-24 18:31:00,905 WARN L192 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 579 [2019-11-24 18:31:01,373 WARN L192 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 566 [2019-11-24 18:31:01,768 WARN L192 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 566 [2019-11-24 18:31:02,555 WARN L192 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 783 DAG size of output: 781 [2019-11-24 18:31:03,366 WARN L192 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 781 DAG size of output: 781 [2019-11-24 18:31:04,716 WARN L192 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1056 DAG size of output: 1050 [2019-11-24 18:31:06,310 WARN L192 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1036 DAG size of output: 1032 [2019-11-24 18:31:08,890 WARN L192 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 1419 DAG size of output: 1415 [2019-11-24 18:31:11,658 WARN L192 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 1412 DAG size of output: 1412 [2019-11-24 18:31:16,792 WARN L192 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 1968 DAG size of output: 1966 [2019-11-24 18:31:22,435 WARN L192 SmtUtils]: Spent 5.55 s on a formula simplification. DAG size of input: 1966 DAG size of output: 1965 [2019-11-24 18:31:31,967 WARN L192 SmtUtils]: Spent 9.40 s on a formula simplification. DAG size of input: 2647 DAG size of output: 2632 [2019-11-24 18:31:42,111 WARN L192 SmtUtils]: Spent 10.01 s on a formula simplification. DAG size of input: 2624 DAG size of output: 2624