/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/loops/string-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:40:03,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:40:03,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:40:03,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:40:03,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:40:03,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:40:03,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:40:03,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:40:03,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:40:03,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:40:03,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:40:03,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:40:03,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:40:03,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:40:03,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:40:03,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:40:03,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:40:03,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:40:03,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:40:03,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:40:03,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:40:03,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:40:03,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:40:03,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:40:03,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:40:03,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:40:03,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:40:03,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:40:03,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:40:03,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:40:03,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:40:03,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:40:03,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:40:03,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:40:03,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:40:03,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:40:03,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:40:03,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:40:03,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:40:03,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:40:03,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:40:03,452 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 16:40:03,466 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:40:03,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:40:03,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:40:03,468 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:40:03,468 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:40:03,468 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:40:03,468 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:40:03,468 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:40:03,469 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:40:03,469 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:40:03,469 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:40:03,469 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:40:03,469 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:40:03,470 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:40:03,470 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:40:03,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:40:03,471 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:40:03,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:40:03,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:40:03,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:40:03,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:40:03,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:40:03,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:40:03,472 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:40:03,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:40:03,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:40:03,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:40:03,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:40:03,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:40:03,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:40:03,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:40:03,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:40:03,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:40:03,475 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:40:03,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:40:03,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:40:03,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:40:03,476 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:40:03,753 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:40:03,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:40:03,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:40:03,779 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:40:03,780 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:40:03,780 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/string-1.i [2019-11-24 16:40:03,849 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adfb7b447/8997e8796d3a4b8daefdbb26162ffc68/FLAG569af82c7 [2019-11-24 16:40:04,277 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:40:04,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/string-1.i [2019-11-24 16:40:04,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adfb7b447/8997e8796d3a4b8daefdbb26162ffc68/FLAG569af82c7 [2019-11-24 16:40:04,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adfb7b447/8997e8796d3a4b8daefdbb26162ffc68 [2019-11-24 16:40:04,688 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:40:04,690 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:40:04,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:40:04,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:40:04,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:40:04,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:40:04" (1/1) ... [2019-11-24 16:40:04,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35abdc3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:04, skipping insertion in model container [2019-11-24 16:40:04,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:40:04" (1/1) ... [2019-11-24 16:40:04,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:40:04,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:40:04,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:40:04,954 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:40:04,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:40:05,002 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:40:05,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05 WrapperNode [2019-11-24 16:40:05,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:40:05,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:40:05,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:40:05,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:40:05,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:40:05,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:40:05,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:40:05,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:40:05,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:40:05,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:40:05,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:40:05,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:40:05,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:40:05" (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 16:40:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 16:40:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:40:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:40:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 16:40:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 16:40:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 16:40:05,632 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:40:05,633 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-24 16:40:05,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:40:05 BoogieIcfgContainer [2019-11-24 16:40:05,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:40:05,635 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:40:05,635 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:40:05,635 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:40:05,636 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:40:05" (1/1) ... [2019-11-24 16:40:05,637 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 16:40:05,660 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:40:05,660 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:40:05,667 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:40:05,675 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:40:05,676 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:40:08,244 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:40:09,714 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:40:09,736 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:40:09,988 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:40:10,951 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 209 [2019-11-24 16:40:11,229 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2019-11-24 16:40:11,510 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 249 [2019-11-24 16:40:11,662 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-11-24 16:40:11,793 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 223 [2019-11-24 16:40:12,010 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 284 [2019-11-24 16:40:12,379 WARN L192 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 285 [2019-11-24 16:40:12,964 WARN L192 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 365 [2019-11-24 16:40:13,370 WARN L192 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 359 [2019-11-24 16:40:13,703 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2019-11-24 16:40:13,982 WARN L192 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 358 [2019-11-24 16:40:14,498 WARN L192 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 444 [2019-11-24 16:40:15,013 WARN L192 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 444 [2019-11-24 16:40:15,838 WARN L192 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 572 [2019-11-24 16:40:16,849 WARN L192 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 565 [2019-11-24 16:40:17,815 WARN L192 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-11-24 16:40:18,653 WARN L192 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 564 [2019-11-24 16:40:19,883 WARN L192 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 686 DAG size of output: 686 [2019-11-24 16:40:21,232 WARN L192 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 687 DAG size of output: 684 [2019-11-24 16:40:23,165 WARN L192 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 839 DAG size of output: 838 [2019-11-24 16:40:25,326 WARN L192 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 838 DAG size of output: 832 [2019-11-24 16:40:27,640 WARN L192 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 832 [2019-11-24 16:40:29,849 WARN L192 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 833 DAG size of output: 833 [2019-11-24 16:40:33,365 WARN L192 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 1046 DAG size of output: 1046 [2019-11-24 16:40:37,220 WARN L192 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 1047 DAG size of output: 1043 [2019-11-24 16:40:42,538 WARN L192 SmtUtils]: Spent 5.24 s on a formula simplification. DAG size of input: 1295 DAG size of output: 1294 [2019-11-24 16:40:48,254 WARN L192 SmtUtils]: Spent 5.53 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-11-24 16:40:56,454 WARN L192 SmtUtils]: Spent 8.12 s on a formula simplification. DAG size of input: 1597 DAG size of output: 1595 [2019-11-24 16:41:05,481 WARN L192 SmtUtils]: Spent 8.74 s on a formula simplification. DAG size of input: 1595 DAG size of output: 1592 [2019-11-24 16:41:18,555 WARN L192 SmtUtils]: Spent 12.95 s on a formula simplification. DAG size of input: 1985 DAG size of output: 1983 [2019-11-24 16:41:33,171 WARN L192 SmtUtils]: Spent 14.20 s on a formula simplification. DAG size of input: 1983 DAG size of output: 1977