/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/loop-new/gauss_sum.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:36:03,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:36:03,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:36:03,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:36:03,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:36:03,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:36:03,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:36:03,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:36:03,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:36:03,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:36:03,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:36:03,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:36:03,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:36:03,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:36:03,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:36:03,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:36:03,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:36:03,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:36:03,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:36:03,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:36:03,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:36:03,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:36:03,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:36:03,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:36:03,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:36:03,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:36:03,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:36:03,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:36:03,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:36:03,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:36:03,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:36:03,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:36:03,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:36:03,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:36:03,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:36:03,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:36:03,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:36:03,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:36:03,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:36:03,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:36:03,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:36:03,554 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 16:36:03,568 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:36:03,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:36:03,569 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:36:03,569 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:36:03,570 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:36:03,570 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:36:03,570 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:36:03,570 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:36:03,570 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:36:03,571 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:36:03,571 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:36:03,571 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:36:03,571 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:36:03,571 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:36:03,572 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:36:03,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:36:03,573 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:36:03,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:36:03,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:36:03,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:36:03,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:36:03,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:36:03,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:36:03,574 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:36:03,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:36:03,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:36:03,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:36:03,575 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:36:03,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:36:03,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:36:03,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:36:03,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:36:03,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:36:03,576 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:36:03,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:36:03,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:36:03,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:36:03,577 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:36:03,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:36:03,947 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:36:03,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:36:03,953 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:36:03,953 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:36:03,954 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c [2019-11-24 16:36:04,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7d4951b5/81653890ac834a89aa044e5726fdcad7/FLAG44540a2ec [2019-11-24 16:36:04,413 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:36:04,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c [2019-11-24 16:36:04,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7d4951b5/81653890ac834a89aa044e5726fdcad7/FLAG44540a2ec [2019-11-24 16:36:04,825 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7d4951b5/81653890ac834a89aa044e5726fdcad7 [2019-11-24 16:36:04,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:36:04,835 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:36:04,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:36:04,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:36:04,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:36:04,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:36:04" (1/1) ... [2019-11-24 16:36:04,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f66df1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:04, skipping insertion in model container [2019-11-24 16:36:04,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:36:04" (1/1) ... [2019-11-24 16:36:04,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:36:04,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:36:05,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:36:05,104 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:36:05,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:36:05,145 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:36:05,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:05 WrapperNode [2019-11-24 16:36:05,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:36:05,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:36:05,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:36:05,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:36:05,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:05" (1/1) ... [2019-11-24 16:36:05,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:05" (1/1) ... [2019-11-24 16:36:05,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:36:05,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:36:05,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:36:05,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:36:05,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:05" (1/1) ... [2019-11-24 16:36:05,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:05" (1/1) ... [2019-11-24 16:36:05,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:05" (1/1) ... [2019-11-24 16:36:05,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:05" (1/1) ... [2019-11-24 16:36:05,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:05" (1/1) ... [2019-11-24 16:36:05,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:05" (1/1) ... [2019-11-24 16:36:05,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:05" (1/1) ... [2019-11-24 16:36:05,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:36:05,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:36:05,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:36:05,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:36:05,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:36:05" (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 16:36:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:36:05,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:36:05,536 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:36:05,537 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-24 16:36:05,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:36:05 BoogieIcfgContainer [2019-11-24 16:36:05,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:36:05,539 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:36:05,539 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:36:05,539 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:36:05,541 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:36:05" (1/1) ... [2019-11-24 16:36:05,541 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 16:36:05,581 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:36:05,581 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:36:05,589 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:36:05,598 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:36:05,600 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:36:06,654 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 187 [2019-11-24 16:36:06,780 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 206 [2019-11-24 16:36:07,085 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 254 [2019-11-24 16:36:07,253 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 255 [2019-11-24 16:36:07,539 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 339 [2019-11-24 16:36:07,811 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 332 [2019-11-24 16:36:08,053 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2019-11-24 16:36:08,256 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 332 [2019-11-24 16:36:08,653 WARN L192 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 430 [2019-11-24 16:36:09,010 WARN L192 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 430 [2019-11-24 16:36:09,557 WARN L192 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 610 [2019-11-24 16:36:10,222 WARN L192 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 608 [2019-11-24 16:36:11,081 WARN L192 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 802 DAG size of output: 795 [2019-11-24 16:36:12,001 WARN L192 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 795 DAG size of output: 795 [2019-11-24 16:36:13,487 WARN L192 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1039 DAG size of output: 1034 [2019-11-24 16:36:15,141 WARN L192 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1034 DAG size of output: 1033 [2019-11-24 16:36:17,656 WARN L192 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 1368 DAG size of output: 1360 [2019-11-24 16:36:20,556 WARN L192 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 1356 DAG size of output: 1354 [2019-11-24 16:36:25,106 WARN L192 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 1739 DAG size of output: 1735 [2019-11-24 16:36:30,031 WARN L192 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 1731 DAG size of output: 1693 [2019-11-24 16:36:35,104 WARN L192 SmtUtils]: Spent 4.66 s on a formula simplification that was a NOOP. DAG size: 1666 [2019-11-24 16:36:39,617 WARN L192 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 1667 DAG size of output: 1667 [2019-11-24 16:36:47,095 WARN L192 SmtUtils]: Spent 7.36 s on a formula simplification. DAG size of input: 2140 DAG size of output: 2133 [2019-11-24 16:36:55,192 WARN L192 SmtUtils]: Spent 7.94 s on a formula simplification. DAG size of input: 2132 DAG size of output: 2131 [2019-11-24 16:37:07,406 WARN L192 SmtUtils]: Spent 12.09 s on a formula simplification. DAG size of input: 2732 DAG size of output: 2729 [2019-11-24 16:37:20,585 WARN L192 SmtUtils]: Spent 13.00 s on a formula simplification. DAG size of input: 2729 DAG size of output: 2724 [2019-11-24 16:37:34,920 WARN L192 SmtUtils]: Spent 14.00 s on a formula simplification that was a NOOP. DAG size: 2726 [2019-11-24 16:37:48,803 WARN L192 SmtUtils]: Spent 13.88 s on a formula simplification. DAG size of input: 2727 DAG size of output: 2726