/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_spec3_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 18:01:28,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 18:01:28,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 18:01:28,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 18:01:28,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 18:01:28,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 18:01:28,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 18:01:28,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 18:01:28,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 18:01:28,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 18:01:28,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 18:01:28,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 18:01:28,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 18:01:28,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 18:01:28,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 18:01:28,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 18:01:28,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 18:01:28,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 18:01:28,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 18:01:28,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 18:01:28,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 18:01:28,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 18:01:28,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 18:01:28,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 18:01:28,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 18:01:28,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 18:01:28,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 18:01:28,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 18:01:28,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 18:01:28,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 18:01:28,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 18:01:28,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 18:01:28,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 18:01:28,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 18:01:28,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 18:01:28,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 18:01:28,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 18:01:28,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 18:01:28,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 18:01:28,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 18:01:28,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 18:01:28,330 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 18:01:28,349 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 18:01:28,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 18:01:28,350 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 18:01:28,350 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 18:01:28,350 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 18:01:28,350 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 18:01:28,358 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 18:01:28,358 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 18:01:28,358 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 18:01:28,358 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 18:01:28,359 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 18:01:28,359 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 18:01:28,359 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 18:01:28,359 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 18:01:28,360 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 18:01:28,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 18:01:28,361 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 18:01:28,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 18:01:28,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 18:01:28,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 18:01:28,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 18:01:28,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 18:01:28,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 18:01:28,362 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 18:01:28,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 18:01:28,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 18:01:28,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 18:01:28,363 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 18:01:28,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 18:01:28,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 18:01:28,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 18:01:28,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 18:01:28,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 18:01:28,364 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 18:01:28,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 18:01:28,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 18:01:28,365 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 18:01:28,365 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 18:01:28,614 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 18:01:28,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 18:01:28,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 18:01:28,639 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 18:01:28,639 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 18:01:28,640 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2019-11-24 18:01:28,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f04102636/f55aa5517f584638b3227c7395a05d45/FLAGf690c1fdd [2019-11-24 18:01:29,176 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 18:01:29,177 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2019-11-24 18:01:29,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f04102636/f55aa5517f584638b3227c7395a05d45/FLAGf690c1fdd [2019-11-24 18:01:29,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f04102636/f55aa5517f584638b3227c7395a05d45 [2019-11-24 18:01:29,580 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 18:01:29,585 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 18:01:29,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 18:01:29,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 18:01:29,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 18:01:29,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:01:29" (1/1) ... [2019-11-24 18:01:29,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cfca6dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:29, skipping insertion in model container [2019-11-24 18:01:29,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:01:29" (1/1) ... [2019-11-24 18:01:29,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 18:01:29,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 18:01:30,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:01:30,143 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 18:01:30,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:01:30,255 INFO L208 MainTranslator]: Completed translation [2019-11-24 18:01:30,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:30 WrapperNode [2019-11-24 18:01:30,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 18:01:30,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 18:01:30,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 18:01:30,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 18:01:30,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:30" (1/1) ... [2019-11-24 18:01:30,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:30" (1/1) ... [2019-11-24 18:01:30,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 18:01:30,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 18:01:30,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 18:01:30,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 18:01:30,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:30" (1/1) ... [2019-11-24 18:01:30,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:30" (1/1) ... [2019-11-24 18:01:30,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:30" (1/1) ... [2019-11-24 18:01:30,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:30" (1/1) ... [2019-11-24 18:01:30,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:30" (1/1) ... [2019-11-24 18:01:30,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:30" (1/1) ... [2019-11-24 18:01:30,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:30" (1/1) ... [2019-11-24 18:01:30,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 18:01:30,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 18:01:30,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 18:01:30,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 18:01:30,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:30" (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 18:01:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 18:01:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 18:01:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 18:01:30,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 18:01:31,846 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 18:01:31,846 INFO L284 CfgBuilder]: Removed 104 assume(true) statements. [2019-11-24 18:01:31,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:01:31 BoogieIcfgContainer [2019-11-24 18:01:31,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 18:01:31,851 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 18:01:31,851 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 18:01:31,851 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 18:01:31,853 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:01:31" (1/1) ... [2019-11-24 18:01:31,854 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 18:01:31,891 INFO L159 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-11-24 18:01:31,899 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 18:01:31,911 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 18:01:31,922 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 18:01:31,924 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 18:01:41,637 WARN L192 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 476 [2019-11-24 18:01:43,231 WARN L192 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-24 18:01:43,369 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-11-24 18:01:43,821 WARN L192 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 596 [2019-11-24 18:01:44,056 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 596 [2019-11-24 18:01:44,282 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-11-24 18:01:44,760 WARN L192 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 599 [2019-11-24 18:01:45,444 WARN L192 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 599 [2019-11-24 18:01:45,954 WARN L192 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-11-24 18:01:46,484 WARN L192 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 601 [2019-11-24 18:01:46,906 WARN L192 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 601 [2019-11-24 18:01:47,258 WARN L192 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 601 [2019-11-24 18:01:47,822 WARN L192 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 602 [2019-11-24 18:01:49,181 WARN L192 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 702 [2019-11-24 18:01:59,683 WARN L192 SmtUtils]: Spent 8.32 s on a formula simplification. DAG size of input: 1052 DAG size of output: 998 [2019-11-24 18:02:07,335 WARN L192 SmtUtils]: Spent 7.63 s on a formula simplification. DAG size of input: 1052 DAG size of output: 998 [2019-11-24 18:02:14,449 WARN L192 SmtUtils]: Spent 7.10 s on a formula simplification. DAG size of input: 989 DAG size of output: 986 [2019-11-24 18:02:26,787 WARN L192 SmtUtils]: Spent 12.32 s on a formula simplification. DAG size of input: 1274 DAG size of output: 1187 [2019-11-24 18:02:39,513 WARN L192 SmtUtils]: Spent 12.70 s on a formula simplification. DAG size of input: 1274 DAG size of output: 1187 [2019-11-24 18:02:48,460 WARN L192 SmtUtils]: Spent 8.93 s on a formula simplification. DAG size of input: 1130 DAG size of output: 1124 [2019-11-24 18:03:05,427 WARN L192 SmtUtils]: Spent 16.94 s on a formula simplification. DAG size of input: 1404 DAG size of output: 1338