/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-crafted/zero_sum_const5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 09:28:11,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 09:28:11,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 09:28:11,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 09:28:11,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 09:28:11,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 09:28:11,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 09:28:11,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 09:28:11,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 09:28:11,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 09:28:11,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 09:28:11,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 09:28:11,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 09:28:11,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 09:28:11,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 09:28:11,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 09:28:11,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 09:28:11,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 09:28:11,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 09:28:11,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 09:28:11,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 09:28:11,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 09:28:11,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 09:28:11,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 09:28:11,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 09:28:11,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 09:28:11,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 09:28:11,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 09:28:11,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 09:28:11,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 09:28:11,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 09:28:11,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 09:28:11,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 09:28:11,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 09:28:11,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 09:28:11,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 09:28:11,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 09:28:11,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 09:28:11,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 09:28:11,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 09:28:11,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 09:28:11,937 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 09:28:11,952 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 09:28:11,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 09:28:11,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 09:28:11,953 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 09:28:11,953 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 09:28:11,954 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 09:28:11,954 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 09:28:11,954 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 09:28:11,954 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 09:28:11,954 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 09:28:11,955 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 09:28:11,955 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 09:28:11,955 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 09:28:11,955 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 09:28:11,955 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 09:28:11,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 09:28:11,956 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 09:28:11,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 09:28:11,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 09:28:11,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 09:28:11,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 09:28:11,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 09:28:11,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 09:28:11,958 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 09:28:11,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 09:28:11,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 09:28:11,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 09:28:11,958 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 09:28:11,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 09:28:11,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 09:28:11,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 09:28:11,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 09:28:11,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 09:28:11,960 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 09:28:11,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 09:28:11,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 09:28:11,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 09:28:11,961 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 09:28:12,240 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 09:28:12,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 09:28:12,255 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 09:28:12,257 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 09:28:12,257 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 09:28:12,258 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/zero_sum_const5.c [2019-11-24 09:28:12,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9ad1ef47/569b176f292141e28caabdd34815fb74/FLAG105474887 [2019-11-24 09:28:12,729 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 09:28:12,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/zero_sum_const5.c [2019-11-24 09:28:12,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9ad1ef47/569b176f292141e28caabdd34815fb74/FLAG105474887 [2019-11-24 09:28:13,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9ad1ef47/569b176f292141e28caabdd34815fb74 [2019-11-24 09:28:13,095 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 09:28:13,096 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 09:28:13,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 09:28:13,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 09:28:13,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 09:28:13,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:28:13" (1/1) ... [2019-11-24 09:28:13,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d5f9de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:28:13, skipping insertion in model container [2019-11-24 09:28:13,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:28:13" (1/1) ... [2019-11-24 09:28:13,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 09:28:13,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 09:28:13,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 09:28:13,377 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 09:28:13,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 09:28:13,428 INFO L208 MainTranslator]: Completed translation [2019-11-24 09:28:13,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:28:13 WrapperNode [2019-11-24 09:28:13,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 09:28:13,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 09:28:13,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 09:28:13,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 09:28:13,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:28:13" (1/1) ... [2019-11-24 09:28:13,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:28:13" (1/1) ... [2019-11-24 09:28:13,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 09:28:13,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 09:28:13,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 09:28:13,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 09:28:13,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:28:13" (1/1) ... [2019-11-24 09:28:13,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:28:13" (1/1) ... [2019-11-24 09:28:13,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:28:13" (1/1) ... [2019-11-24 09:28:13,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:28:13" (1/1) ... [2019-11-24 09:28:13,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:28:13" (1/1) ... [2019-11-24 09:28:13,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:28:13" (1/1) ... [2019-11-24 09:28:13,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:28:13" (1/1) ... [2019-11-24 09:28:13,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 09:28:13,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 09:28:13,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 09:28:13,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 09:28:13,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:28:13" (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 09:28:13,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 09:28:13,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 09:28:13,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 09:28:13,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 09:28:13,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 09:28:14,201 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 09:28:14,201 INFO L284 CfgBuilder]: Removed 17 assume(true) statements. [2019-11-24 09:28:14,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:28:14 BoogieIcfgContainer [2019-11-24 09:28:14,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 09:28:14,203 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 09:28:14,204 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 09:28:14,204 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 09:28:14,205 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:28:14" (1/1) ... [2019-11-24 09:28:14,206 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 09:28:14,235 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 09:28:14,236 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 09:28:14,243 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 09:28:14,249 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 09:28:14,251 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 09:28:15,793 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 116 [2019-11-24 09:28:16,334 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 129 [2019-11-24 09:28:26,246 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 185 [2019-11-24 09:28:28,435 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-11-24 09:28:28,607 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 190 [2019-11-24 09:28:41,967 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2019-11-24 09:28:45,266 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 246 [2019-11-24 09:28:53,784 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 266 [2019-11-24 09:28:54,011 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2019-11-24 09:29:08,659 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 290 [2019-11-24 09:29:22,595 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 313 [2019-11-24 09:29:27,577 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 325 [2019-11-24 09:29:30,054 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 329 [2019-11-24 09:29:34,960 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2019-11-24 09:29:35,085 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 335 [2019-11-24 09:29:37,766 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 336 [2019-11-24 09:29:37,905 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2019-11-24 09:29:38,015 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 339 [2019-11-24 09:29:38,258 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 342 [2019-11-24 09:29:38,387 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2019-11-24 09:29:38,510 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 346 [2019-11-24 09:29:41,074 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2019-11-24 09:29:41,227 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 348