java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2c_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:28:14,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:28:14,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:28:14,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:28:14,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:28:14,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:28:14,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:28:14,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:28:14,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:28:14,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:28:14,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:28:14,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:28:14,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:28:14,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:28:14,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:28:14,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:28:14,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:28:14,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:28:14,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:28:14,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:28:14,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:28:14,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:28:14,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:28:14,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:28:14,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:28:14,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:28:14,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:28:14,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:28:14,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:28:14,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:28:14,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:28:14,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:28:14,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:28:14,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:28:14,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:28:14,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:28:14,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:28:14,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:28:14,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:28:14,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:28:14,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:28:14,766 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 17:28:14,788 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:28:14,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:28:14,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:28:14,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:28:14,794 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:28:14,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:28:14,794 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:28:14,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:28:14,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:28:14,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:28:14,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:28:14,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:28:14,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:28:14,797 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:28:14,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:28:14,797 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:28:14,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:28:14,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:28:14,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:28:14,798 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:28:14,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:28:14,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:28:14,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:28:14,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:28:14,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:28:14,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:28:14,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:28:14,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:28:14,800 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 17:28:14,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:28:14,883 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:28:14,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:28:14,888 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:28:14,888 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:28:14,889 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_remove_all_reverse.i [2019-09-20 17:28:14,964 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b984542ea/062158e41c2346bbb84b73b5fd6ed0ac/FLAG428ad18dc [2019-09-20 17:28:15,544 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:28:15,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_remove_all_reverse.i [2019-09-20 17:28:15,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b984542ea/062158e41c2346bbb84b73b5fd6ed0ac/FLAG428ad18dc [2019-09-20 17:28:15,859 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b984542ea/062158e41c2346bbb84b73b5fd6ed0ac [2019-09-20 17:28:15,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:28:15,869 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:28:15,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:28:15,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:28:15,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:28:15,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:28:15" (1/1) ... [2019-09-20 17:28:15,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32bdc31c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:15, skipping insertion in model container [2019-09-20 17:28:15,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:28:15" (1/1) ... [2019-09-20 17:28:15,885 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:28:15,937 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:28:16,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:28:16,405 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:28:16,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:28:16,505 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:28:16,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:16 WrapperNode [2019-09-20 17:28:16,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:28:16,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:28:16,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:28:16,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:28:16,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:16" (1/1) ... [2019-09-20 17:28:16,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:16" (1/1) ... [2019-09-20 17:28:16,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:16" (1/1) ... [2019-09-20 17:28:16,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:16" (1/1) ... [2019-09-20 17:28:16,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:16" (1/1) ... [2019-09-20 17:28:16,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:16" (1/1) ... [2019-09-20 17:28:16,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:16" (1/1) ... [2019-09-20 17:28:16,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:28:16,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:28:16,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:28:16,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:28:16,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:16" (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 [2019-09-20 17:28:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:28:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:28:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 17:28:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 17:28:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 17:28:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 17:28:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-20 17:28:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_remove_last [2019-09-20 17:28:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:28:16,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:28:16,661 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 17:28:16,662 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 17:28:16,662 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 17:28:16,662 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 17:28:16,662 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 17:28:16,662 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 17:28:16,662 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 17:28:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 17:28:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 17:28:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 17:28:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 17:28:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 17:28:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 17:28:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 17:28:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 17:28:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 17:28:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 17:28:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 17:28:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 17:28:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 17:28:16,665 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 17:28:16,665 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 17:28:16,665 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 17:28:16,665 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 17:28:16,665 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 17:28:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 17:28:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 17:28:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 17:28:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 17:28:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 17:28:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 17:28:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 17:28:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 17:28:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 17:28:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 17:28:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 17:28:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 17:28:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 17:28:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 17:28:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 17:28:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 17:28:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 17:28:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 17:28:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 17:28:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 17:28:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 17:28:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 17:28:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 17:28:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 17:28:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 17:28:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 17:28:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 17:28:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 17:28:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 17:28:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 17:28:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 17:28:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 17:28:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 17:28:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 17:28:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 17:28:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 17:28:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 17:28:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 17:28:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 17:28:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 17:28:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 17:28:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 17:28:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 17:28:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 17:28:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 17:28:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 17:28:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 17:28:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 17:28:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 17:28:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 17:28:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 17:28:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 17:28:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 17:28:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 17:28:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 17:28:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 17:28:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 17:28:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 17:28:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 17:28:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 17:28:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 17:28:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 17:28:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 17:28:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 17:28:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 17:28:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 17:28:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 17:28:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 17:28:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 17:28:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 17:28:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 17:28:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 17:28:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 17:28:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 17:28:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 17:28:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 17:28:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 17:28:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 17:28:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 17:28:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 17:28:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 17:28:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 17:28:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 17:28:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 17:28:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:28:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-20 17:28:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_remove_last [2019-09-20 17:28:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 17:28:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:28:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:28:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 17:28:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 17:28:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:28:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:28:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:28:17,048 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 17:28:17,295 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:28:17,295 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 17:28:17,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:28:17 BoogieIcfgContainer [2019-09-20 17:28:17,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:28:17,298 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:28:17,298 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:28:17,298 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:28:17,299 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:28:17" (1/1) ... [2019-09-20 17:28:17,300 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 17:28:17,326 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:28:17,326 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:28:17,335 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:28:17,344 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:28:17,346 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:28:17,542 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-20 17:28:17,849 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 17:28:19,056 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-09-20 17:28:19,621 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-20 17:28:19,860 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-20 17:28:20,026 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 17:28:20,215 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 17:28:20,385 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 17:28:20,557 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 17:28:20,745 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 17:28:20,921 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:28:21,066 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:28:21,236 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 17:28:21,388 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 17:28:21,672 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 17:28:21,890 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 17:28:22,093 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:28:22,256 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 17:28:22,412 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 17:28:22,554 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 17:28:22,816 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-20 17:28:22,978 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:28:23,280 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-20 17:28:23,635 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2019-09-20 17:28:23,806 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 17:28:24,177 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2019-09-20 17:28:24,517 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 17:28:24,825 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-20 17:28:25,141 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 17:28:25,432 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 17:28:25,695 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 17:28:25,984 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 17:28:26,275 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 17:28:26,540 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-20 17:28:26,793 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 17:28:27,050 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:28:27,296 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 17:28:27,558 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 17:28:27,786 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:28:28,031 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 17:28:28,254 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 17:28:28,938 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 17:28:29,412 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:28:29,813 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 17:28:30,164 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 17:28:30,458 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 17:28:30,735 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 17:28:30,996 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 17:28:31,225 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 17:28:31,424 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:28:31,821 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-20 17:28:32,012 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 17:28:32,415 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-20 17:28:32,918 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2019-09-20 17:28:33,155 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:28:33,652 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2019-09-20 17:28:34,064 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-09-20 17:28:34,473 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-09-20 17:28:34,856 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-20 17:28:35,238 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-09-20 17:28:35,624 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-20 17:28:35,977 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-20 17:28:36,417 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 17:28:36,773 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 17:28:37,183 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 17:28:37,507 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:28:37,856 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 17:28:38,183 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 17:28:38,514 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 17:28:38,841 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 17:28:39,171 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 17:28:39,481 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 17:28:39,790 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 17:28:40,077 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 17:28:40,365 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 17:28:40,665 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 17:28:42,311 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 157 [2019-09-20 17:28:43,663 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 151 [2019-09-20 17:28:44,876 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 145 [2019-09-20 17:28:45,834 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-20 17:28:46,518 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-20 17:28:47,063 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-20 17:28:47,511 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 17:28:47,898 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 17:28:48,239 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 17:28:48,557 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-20 17:28:48,840 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 17:28:49,119 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 17:28:49,607 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-20 17:28:49,866 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 17:28:50,355 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-20 17:28:50,912 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-20 17:28:51,178 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 17:28:51,716 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-20 17:28:52,235 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-20 17:28:52,716 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-20 17:28:53,197 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-20 17:28:53,673 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-20 17:28:54,166 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-09-20 17:28:54,651 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-20 17:28:55,138 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-09-20 17:28:55,594 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-09-20 17:28:56,040 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-20 17:28:56,483 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-20 17:28:56,953 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-20 17:28:57,404 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 17:28:57,846 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 17:28:58,292 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 17:28:58,733 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-20 17:28:59,173 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 17:28:59,581 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 17:28:59,994 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 17:29:00,422 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 17:29:00,806 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 101