/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_m5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 09:29:47,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 09:29:47,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 09:29:47,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 09:29:47,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 09:29:47,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 09:29:47,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 09:29:47,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 09:29:47,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 09:29:47,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 09:29:47,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 09:29:47,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 09:29:47,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 09:29:47,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 09:29:47,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 09:29:47,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 09:29:47,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 09:29:47,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 09:29:47,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 09:29:47,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 09:29:47,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 09:29:47,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 09:29:47,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 09:29:47,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 09:29:47,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 09:29:47,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 09:29:47,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 09:29:47,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 09:29:47,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 09:29:47,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 09:29:47,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 09:29:47,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 09:29:47,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 09:29:47,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 09:29:47,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 09:29:47,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 09:29:47,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 09:29:47,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 09:29:47,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 09:29:47,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 09:29:47,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 09:29:47,482 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 09:29:47,510 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 09:29:47,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 09:29:47,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 09:29:47,511 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 09:29:47,512 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 09:29:47,512 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 09:29:47,512 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 09:29:47,512 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 09:29:47,512 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 09:29:47,512 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 09:29:47,513 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 09:29:47,513 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 09:29:47,513 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 09:29:47,513 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 09:29:47,513 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 09:29:47,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 09:29:47,514 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 09:29:47,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 09:29:47,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 09:29:47,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 09:29:47,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 09:29:47,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 09:29:47,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 09:29:47,516 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 09:29:47,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 09:29:47,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 09:29:47,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 09:29:47,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 09:29:47,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 09:29:47,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 09:29:47,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 09:29:47,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 09:29:47,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 09:29:47,518 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 09:29:47,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 09:29:47,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 09:29:47,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 09:29:47,518 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 09:29:47,798 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 09:29:47,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 09:29:47,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 09:29:47,815 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 09:29:47,815 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 09:29:47,816 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/zero_sum_m5.c [2019-11-24 09:29:47,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002d3b9ca/89e5bd535d254fd7961c67be629bddb8/FLAGbabdd0a23 [2019-11-24 09:29:48,359 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 09:29:48,362 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/zero_sum_m5.c [2019-11-24 09:29:48,371 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002d3b9ca/89e5bd535d254fd7961c67be629bddb8/FLAGbabdd0a23 [2019-11-24 09:29:48,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002d3b9ca/89e5bd535d254fd7961c67be629bddb8 [2019-11-24 09:29:48,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 09:29:48,744 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 09:29:48,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 09:29:48,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 09:29:48,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 09:29:48,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:29:48" (1/1) ... [2019-11-24 09:29:48,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50377058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:29:48, skipping insertion in model container [2019-11-24 09:29:48,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:29:48" (1/1) ... [2019-11-24 09:29:48,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 09:29:48,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 09:29:48,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 09:29:48,973 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 09:29:49,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 09:29:49,089 INFO L208 MainTranslator]: Completed translation [2019-11-24 09:29:49,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:29:49 WrapperNode [2019-11-24 09:29:49,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 09:29:49,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 09:29:49,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 09:29:49,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 09:29:49,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:29:49" (1/1) ... [2019-11-24 09:29:49,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:29:49" (1/1) ... [2019-11-24 09:29:49,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 09:29:49,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 09:29:49,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 09:29:49,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 09:29:49,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:29:49" (1/1) ... [2019-11-24 09:29:49,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:29:49" (1/1) ... [2019-11-24 09:29:49,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:29:49" (1/1) ... [2019-11-24 09:29:49,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:29:49" (1/1) ... [2019-11-24 09:29:49,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:29:49" (1/1) ... [2019-11-24 09:29:49,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:29:49" (1/1) ... [2019-11-24 09:29:49,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:29:49" (1/1) ... [2019-11-24 09:29:49,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 09:29:49,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 09:29:49,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 09:29:49,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 09:29:49,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:29:49" (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 09:29:49,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 09:29:49,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 09:29:49,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 09:29:49,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 09:29:49,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 09:29:49,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 09:29:49,768 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 09:29:49,768 INFO L284 CfgBuilder]: Removed 17 assume(true) statements. [2019-11-24 09:29:49,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:29:49 BoogieIcfgContainer [2019-11-24 09:29:49,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 09:29:49,771 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 09:29:49,771 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 09:29:49,771 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 09:29:49,772 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:29:49" (1/1) ... [2019-11-24 09:29:49,773 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 09:29:49,802 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 09:29:49,803 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 09:29:49,818 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 09:29:49,829 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 09:29:49,831 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 09:30:32,316 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 273 [2019-11-24 09:30:44,232 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 297 [2019-11-24 09:30:48,304 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 305 [2019-11-24 09:30:50,715 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 309 [2019-11-24 09:30:55,492 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 323 [2019-11-24 09:30:55,605 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 319 [2019-11-24 09:30:58,308 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 325 [2019-11-24 09:30:58,429 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 322 [2019-11-24 09:30:58,655 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 323 [2019-11-24 09:30:58,866 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 325 [2019-11-24 09:31:01,562 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2019-11-24 09:31:01,837 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2019-11-24 09:31:04,489 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 334 [2019-11-24 09:31:06,945 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2019-11-24 09:31:07,062 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 336 [2019-11-24 09:31:09,512 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 338 [2019-11-24 09:31:12,155 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 342 [2019-11-24 09:31:14,787 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2019-11-24 09:31:14,910 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 346 [2019-11-24 09:31:17,556 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2019-11-24 09:31:17,679 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 350 [2019-11-24 09:31:20,217 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 358 [2019-11-24 09:31:20,391 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 353