/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/product-lines/minepump_spec2_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 17:56:19,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 17:56:19,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 17:56:19,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 17:56:19,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 17:56:19,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 17:56:19,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 17:56:19,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 17:56:19,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 17:56:19,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 17:56:19,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 17:56:19,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 17:56:19,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 17:56:19,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 17:56:19,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 17:56:19,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 17:56:19,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 17:56:19,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 17:56:19,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 17:56:19,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 17:56:19,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 17:56:19,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 17:56:19,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 17:56:19,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 17:56:19,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 17:56:19,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 17:56:19,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 17:56:19,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 17:56:19,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 17:56:19,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 17:56:19,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 17:56:19,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 17:56:19,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 17:56:19,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 17:56:19,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 17:56:19,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 17:56:19,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 17:56:19,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 17:56:19,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 17:56:19,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 17:56:19,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 17:56:19,158 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 17:56:19,181 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 17:56:19,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 17:56:19,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 17:56:19,183 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 17:56:19,183 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 17:56:19,184 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 17:56:19,184 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 17:56:19,184 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 17:56:19,184 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 17:56:19,184 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 17:56:19,185 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 17:56:19,185 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 17:56:19,186 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 17:56:19,186 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 17:56:19,186 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 17:56:19,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 17:56:19,187 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 17:56:19,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 17:56:19,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 17:56:19,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 17:56:19,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 17:56:19,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 17:56:19,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 17:56:19,188 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 17:56:19,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 17:56:19,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 17:56:19,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 17:56:19,189 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 17:56:19,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 17:56:19,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 17:56:19,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 17:56:19,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 17:56:19,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 17:56:19,190 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 17:56:19,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 17:56:19,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 17:56:19,191 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 17:56:19,191 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 17:56:19,486 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 17:56:19,507 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 17:56:19,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 17:56:19,513 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 17:56:19,513 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 17:56:19,514 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2019-11-24 17:56:19,586 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af692da9/1af7cb3ccc654167b42f400e9f620eb5/FLAG94a51e425 [2019-11-24 17:56:20,088 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 17:56:20,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2019-11-24 17:56:20,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af692da9/1af7cb3ccc654167b42f400e9f620eb5/FLAG94a51e425 [2019-11-24 17:56:20,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af692da9/1af7cb3ccc654167b42f400e9f620eb5 [2019-11-24 17:56:20,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 17:56:20,421 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 17:56:20,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 17:56:20,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 17:56:20,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 17:56:20,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:56:20" (1/1) ... [2019-11-24 17:56:20,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ddc826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:56:20, skipping insertion in model container [2019-11-24 17:56:20,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:56:20" (1/1) ... [2019-11-24 17:56:20,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 17:56:20,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 17:56:20,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 17:56:20,985 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 17:56:21,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 17:56:21,119 INFO L208 MainTranslator]: Completed translation [2019-11-24 17:56:21,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:56:21 WrapperNode [2019-11-24 17:56:21,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 17:56:21,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 17:56:21,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 17:56:21,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 17:56:21,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:56:21" (1/1) ... [2019-11-24 17:56:21,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:56:21" (1/1) ... [2019-11-24 17:56:21,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 17:56:21,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 17:56:21,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 17:56:21,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 17:56:21,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:56:21" (1/1) ... [2019-11-24 17:56:21,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:56:21" (1/1) ... [2019-11-24 17:56:21,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:56:21" (1/1) ... [2019-11-24 17:56:21,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:56:21" (1/1) ... [2019-11-24 17:56:21,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:56:21" (1/1) ... [2019-11-24 17:56:21,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:56:21" (1/1) ... [2019-11-24 17:56:21,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:56:21" (1/1) ... [2019-11-24 17:56:21,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 17:56:21,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 17:56:21,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 17:56:21,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 17:56:21,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:56:21" (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 17:56:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 17:56:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 17:56:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 17:56:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 17:56:23,590 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 17:56:23,590 INFO L284 CfgBuilder]: Removed 158 assume(true) statements. [2019-11-24 17:56:23,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:56:23 BoogieIcfgContainer [2019-11-24 17:56:23,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 17:56:23,592 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 17:56:23,593 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 17:56:23,593 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 17:56:23,594 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:56:23" (1/1) ... [2019-11-24 17:56:23,595 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 17:56:23,622 INFO L159 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-11-24 17:56:23,622 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 17:56:23,636 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 17:56:23,654 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 17:56:23,655 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 17:56:32,965 WARN L192 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 478 [2019-11-24 17:56:34,661 WARN L192 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-24 17:56:34,793 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-11-24 17:56:35,250 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 588 [2019-11-24 17:56:35,458 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 588 [2019-11-24 17:56:35,768 WARN L192 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-11-24 17:56:36,371 WARN L192 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 591 [2019-11-24 17:56:36,809 WARN L192 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 591 [2019-11-24 17:56:37,245 WARN L192 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-11-24 17:56:38,090 WARN L192 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 592 [2019-11-24 17:56:38,964 WARN L192 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 592 [2019-11-24 17:56:39,887 WARN L192 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 592 [2019-11-24 17:56:40,513 WARN L192 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-11-24 17:56:41,915 WARN L192 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 694 [2019-11-24 17:56:47,975 WARN L192 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 955 DAG size of output: 882 [2019-11-24 17:56:51,370 WARN L192 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 955 DAG size of output: 882 [2019-11-24 17:56:54,684 WARN L192 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 871 DAG size of output: 867 [2019-11-24 17:57:02,063 WARN L192 SmtUtils]: Spent 7.20 s on a formula simplification. DAG size of input: 1139 DAG size of output: 1059 [2019-11-24 17:57:08,480 WARN L192 SmtUtils]: Spent 6.40 s on a formula simplification. DAG size of input: 1139 DAG size of output: 1059 [2019-11-24 17:57:13,744 WARN L192 SmtUtils]: Spent 5.25 s on a formula simplification. DAG size of input: 1027 DAG size of output: 1017 [2019-11-24 17:57:25,047 WARN L192 SmtUtils]: Spent 11.08 s on a formula simplification. DAG size of input: 1378 DAG size of output: 1237 [2019-11-24 17:57:35,345 WARN L192 SmtUtils]: Spent 10.28 s on a formula simplification. DAG size of input: 1378 DAG size of output: 1237 [2019-11-24 17:57:44,289 WARN L192 SmtUtils]: Spent 8.93 s on a formula simplification. DAG size of input: 1187 DAG size of output: 1182