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_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:28:15,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:28:15,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:28:15,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:28:15,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:28:15,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:28:15,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:28:15,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:28:15,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:28:15,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:28:15,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:28:15,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:28:15,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:28:15,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:28:15,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:28:15,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:28:15,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:28:15,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:28:15,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:28:15,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:28:15,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:28:15,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:28:15,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:28:15,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:28:15,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:28:15,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:28:15,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:28:15,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:28:15,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:28:15,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:28:15,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:28:15,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:28:15,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:28:15,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:28:15,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:28:15,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:28:15,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:28:15,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:28:15,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:28:15,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:28:15,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:28:15,119 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 17:28:15,135 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:28:15,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:28:15,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:28:15,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:28:15,140 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:28:15,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:28:15,140 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:28:15,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:28:15,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:28:15,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:28:15,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:28:15,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:28:15,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:28:15,142 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:28:15,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:28:15,143 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:28:15,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:28:15,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:28:15,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:28:15,144 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:28:15,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:28:15,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:28:15,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:28:15,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:28:15,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:28:15,145 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:28:15,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:28:15,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:28:15,146 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 17:28:15,206 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:28:15,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:28:15,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:28:15,222 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:28:15,222 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:28:15,223 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_update_all_reverse.i [2019-09-20 17:28:15,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7d5cb3cc/2a2bf1f6208747c4b4170360977ca183/FLAG3024a0627 [2019-09-20 17:28:15,829 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:28:15,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_update_all_reverse.i [2019-09-20 17:28:15,854 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7d5cb3cc/2a2bf1f6208747c4b4170360977ca183/FLAG3024a0627 [2019-09-20 17:28:16,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7d5cb3cc/2a2bf1f6208747c4b4170360977ca183 [2019-09-20 17:28:16,122 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:28:16,124 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:28:16,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:28:16,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:28:16,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:28:16,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:28:16" (1/1) ... [2019-09-20 17:28:16,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@492224eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:16, skipping insertion in model container [2019-09-20 17:28:16,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:28:16" (1/1) ... [2019-09-20 17:28:16,138 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:28:16,193 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:28:16,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:28:16,646 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:28:16,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:28:16,773 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:28:16,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:16 WrapperNode [2019-09-20 17:28:16,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:28:16,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:28:16,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:28:16,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:28:16,785 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 17:28:16,785 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 17:28:16,800 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 17:28:16,801 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 17:28:16,815 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 17:28:16,824 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 17:28:16,831 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 17:28:16,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:28:16,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:28:16,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:28:16,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:28:16,846 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 17:28:16,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:28:16,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:28:16,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 17:28:16,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 17:28:16,899 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 17:28:16,899 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 17:28:16,899 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-20 17:28:16,900 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2019-09-20 17:28:16,900 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_get_data_at [2019-09-20 17:28:16,900 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_update_at [2019-09-20 17:28:16,900 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:28:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:28:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 17:28:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 17:28:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 17:28:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 17:28:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 17:28:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 17:28:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 17:28:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 17:28:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 17:28:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 17:28:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 17:28:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 17:28:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 17:28:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 17:28:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 17:28:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 17:28:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 17:28:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 17:28:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 17:28:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 17:28:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 17:28:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 17:28:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 17:28:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 17:28:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 17:28:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 17:28:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 17:28:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 17:28:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 17:28:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 17:28:16,906 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 17:28:16,906 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 17:28:16,906 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 17:28:16,906 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 17:28:16,906 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 17:28:16,906 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 17:28:16,906 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 17:28:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 17:28:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 17:28:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 17:28:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 17:28:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 17:28:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 17:28:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 17:28:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 17:28:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 17:28:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 17:28:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 17:28:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 17:28:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 17:28:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 17:28:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 17:28:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 17:28:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 17:28:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 17:28:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 17:28:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 17:28:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 17:28:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 17:28:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 17:28:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 17:28:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 17:28:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 17:28:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 17:28:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 17:28:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 17:28:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 17:28:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 17:28:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 17:28:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 17:28:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 17:28:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 17:28:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 17:28:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 17:28:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 17:28:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 17:28:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 17:28:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 17:28:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 17:28:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 17:28:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 17:28:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 17:28:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 17:28:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 17:28:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 17:28:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 17:28:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 17:28:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 17:28:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 17:28:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 17:28:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 17:28:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 17:28:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 17:28:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 17:28:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 17:28:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 17:28:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 17:28:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 17:28:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 17:28:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 17:28:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 17:28:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 17:28:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 17:28:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 17:28:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 17:28:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 17:28:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 17:28:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 17:28:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 17:28:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:28:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-20 17:28:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2019-09-20 17:28:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 17:28:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:28:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_get_data_at [2019-09-20 17:28:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:28:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_update_at [2019-09-20 17:28:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:28:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:28:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:28:17,268 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 17:28:17,540 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:28:17,541 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 17:28:17,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:28:17 BoogieIcfgContainer [2019-09-20 17:28:17,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:28:17,543 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:28:17,543 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:28:17,543 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:28:17,544 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 17:28:17,545 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 17:28:17,568 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:28:17,569 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:28:17,576 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:28:17,584 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:28:17,586 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:28:17,770 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-20 17:28:17,869 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 17:28:19,441 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 17:28:19,677 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-20 17:28:19,933 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-20 17:28:20,088 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 17:28:20,269 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 17:28:20,424 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 17:28:20,589 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 17:28:20,748 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 17:28:20,917 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:28:21,087 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:28:21,233 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 17:28:21,366 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 17:28:21,625 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 17:28:21,882 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 17:28:22,073 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:28:22,257 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 17:28:22,438 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 17:28:22,586 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 17:28:22,835 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-20 17:28:22,966 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:28:23,291 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-20 17:28:23,630 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2019-09-20 17:28:23,803 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 17:28:24,155 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2019-09-20 17:28:24,478 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 17:28:24,765 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-20 17:28:25,047 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 17:28:25,363 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 17:28:25,655 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 17:28:25,919 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 17:28:26,215 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 17:28:26,471 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-20 17:28:26,723 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 17:28:26,978 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:28:27,222 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 17:28:27,456 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 17:28:27,725 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:28:27,942 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 17:28:28,156 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 17:28:28,803 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 17:28:29,320 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:28:29,710 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 17:28:30,025 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 17:28:30,301 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 17:28:30,553 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 17:28:30,790 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:28:31,023 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 17:28:31,227 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:28:31,634 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-20 17:28:31,823 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 17:28:32,209 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-20 17:28:32,698 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2019-09-20 17:28:32,928 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:28:33,438 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2019-09-20 17:28:33,867 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-09-20 17:28:34,285 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-09-20 17:28:34,681 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-20 17:28:35,065 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-09-20 17:28:35,450 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-20 17:28:35,841 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-20 17:28:36,199 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 17:28:36,591 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 17:28:36,923 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 17:28:37,274 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:28:37,616 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 17:28:37,957 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 17:28:38,275 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 17:28:38,589 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 17:28:38,890 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 17:28:39,199 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 17:28:39,497 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 17:28:39,805 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 17:28:40,098 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 17:28:40,359 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 17:28:42,147 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 157 [2019-09-20 17:28:43,494 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 152 [2019-09-20 17:28:44,558 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 146 [2019-09-20 17:28:45,462 WARN L191 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-20 17:28:46,133 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 17:28:46,674 WARN L191 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-20 17:28:47,091 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 17:28:47,445 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 17:28:47,764 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 17:28:48,070 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-20 17:28:48,346 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 17:28:48,608 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 17:28:49,104 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-20 17:28:49,338 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 17:28:49,814 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-20 17:28:50,389 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-09-20 17:28:50,658 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 17:28:51,187 WARN L191 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-20 17:28:51,721 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-09-20 17:28:52,213 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-09-20 17:28:52,699 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 17:28:53,192 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-09-20 17:28:53,661 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-09-20 17:28:54,128 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-20 17:28:54,582 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-09-20 17:28:55,022 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 17:28:55,488 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-09-20 17:28:55,933 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-09-20 17:28:56,380 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-09-20 17:28:56,795 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 17:28:57,237 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 17:28:57,654 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 17:28:58,058 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-20 17:28:58,454 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 17:28:58,840 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 17:28:59,232 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 17:28:59,621 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 17:28:59,993 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 17:29:00,346 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 17:29:00,697 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 17:29:01,040 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 17:29:01,381 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 17:29:01,703 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 76