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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SequenceOfStatements --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 18:29:40,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:29:40,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:29:40,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:29:40,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:29:40,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:29:40,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:29:40,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:29:40,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:29:40,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:29:40,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:29:40,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:29:40,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:29:40,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:29:40,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:29:40,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:29:40,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:29:40,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:29:40,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:29:40,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:29:40,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:29:40,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:29:40,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:29:40,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:29:40,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:29:40,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:29:40,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:29:40,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:29:40,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:29:40,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:29:40,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:29:40,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:29:40,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:29:40,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:29:40,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:29:40,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:29:40,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:29:40,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:29:40,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:29:40,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:29:40,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:29:40,981 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 18:29:41,014 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:29:41,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:29:41,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:29:41,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:29:41,019 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:29:41,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:29:41,020 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:29:41,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:29:41,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:29:41,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:29:41,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:29:41,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:29:41,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:29:41,023 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:29:41,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:29:41,024 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:29:41,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:29:41,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:29:41,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:29:41,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:29:41,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:29:41,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:29:41,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:29:41,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:29:41,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:29:41,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:29:41,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:29:41,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:29:41,030 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements 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 18:29:41,059 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:29:41,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:29:41,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:29:41,076 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:29:41,076 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:29:41,077 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_update_all_reverse.i [2019-09-20 18:29:41,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17cdcbd5b/8b6b876f740443cbb3a3e9379e16e962/FLAG06bbbeca4 [2019-09-20 18:29:41,655 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:29:41,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_update_all_reverse.i [2019-09-20 18:29:41,669 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17cdcbd5b/8b6b876f740443cbb3a3e9379e16e962/FLAG06bbbeca4 [2019-09-20 18:29:41,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17cdcbd5b/8b6b876f740443cbb3a3e9379e16e962 [2019-09-20 18:29:41,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:29:41,960 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:29:41,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:29:41,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:29:41,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:29:41,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:29:41" (1/1) ... [2019-09-20 18:29:41,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c27de00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:41, skipping insertion in model container [2019-09-20 18:29:41,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:29:41" (1/1) ... [2019-09-20 18:29:41,974 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:29:42,024 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:29:42,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:29:42,411 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:29:42,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:29:42,544 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:29:42,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:42 WrapperNode [2019-09-20 18:29:42,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:29:42,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:29:42,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:29:42,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:29:42,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:42" (1/1) ... [2019-09-20 18:29:42,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:42" (1/1) ... [2019-09-20 18:29:42,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:42" (1/1) ... [2019-09-20 18:29:42,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:42" (1/1) ... [2019-09-20 18:29:42,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:42" (1/1) ... [2019-09-20 18:29:42,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:42" (1/1) ... [2019-09-20 18:29:42,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:42" (1/1) ... [2019-09-20 18:29:42,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:29:42,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:29:42,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:29:42,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:29:42,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:42" (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 18:29:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:29:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:29:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 18:29:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 18:29:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 18:29:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 18:29:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-20 18:29:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2019-09-20 18:29:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_get_data_at [2019-09-20 18:29:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_update_at [2019-09-20 18:29:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:29:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:29:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 18:29:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 18:29:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 18:29:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 18:29:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 18:29:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 18:29:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 18:29:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 18:29:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 18:29:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 18:29:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 18:29:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 18:29:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 18:29:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 18:29:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 18:29:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 18:29:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 18:29:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 18:29:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 18:29:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 18:29:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 18:29:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 18:29:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 18:29:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 18:29:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 18:29:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 18:29:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 18:29:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 18:29:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 18:29:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 18:29:42,675 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 18:29:42,675 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 18:29:42,675 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 18:29:42,675 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 18:29:42,675 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 18:29:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 18:29:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 18:29:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 18:29:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 18:29:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 18:29:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 18:29:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 18:29:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 18:29:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 18:29:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 18:29:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 18:29:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 18:29:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 18:29:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 18:29:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 18:29:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 18:29:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 18:29:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 18:29:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 18:29:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 18:29:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 18:29:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 18:29:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 18:29:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 18:29:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 18:29:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 18:29:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 18:29:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 18:29:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 18:29:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 18:29:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 18:29:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 18:29:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 18:29:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 18:29:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 18:29:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 18:29:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 18:29:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 18:29:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 18:29:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 18:29:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 18:29:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 18:29:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 18:29:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 18:29:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 18:29:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 18:29:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 18:29:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 18:29:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 18:29:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 18:29:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 18:29:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 18:29:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 18:29:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 18:29:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 18:29:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 18:29:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 18:29:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 18:29:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 18:29:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 18:29:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 18:29:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 18:29:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 18:29:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 18:29:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 18:29:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 18:29:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 18:29:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 18:29:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 18:29:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 18:29:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 18:29:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 18:29:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 18:29:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 18:29:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 18:29:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-20 18:29:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2019-09-20 18:29:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 18:29:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 18:29:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_get_data_at [2019-09-20 18:29:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 18:29:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_update_at [2019-09-20 18:29:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:29:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:29:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:29:43,057 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 18:29:43,225 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:29:43,225 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 18:29:43,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:29:43 BoogieIcfgContainer [2019-09-20 18:29:43,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:29:43,227 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:29:43,227 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:29:43,228 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:29:43,229 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:29:43" (1/1) ... [2019-09-20 18:29:43,229 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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 18:29:43,255 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:29:43,255 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:29:43,278 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:29:43,289 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:29:43,291 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:29:43,445 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 18:29:43,547 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 18:29:44,968 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 18:29:45,117 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 18:29:45,286 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 18:29:45,441 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 18:29:45,593 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 18:29:45,724 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 18:29:45,854 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 18:29:45,976 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 18:29:46,104 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 18:29:46,225 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 18:29:46,440 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 18:29:46,626 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 18:29:46,784 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 18:29:46,941 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 18:29:47,071 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 18:29:47,196 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 18:29:47,410 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2019-09-20 18:29:47,540 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 18:29:47,861 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2019-09-20 18:29:48,020 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 18:29:48,296 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 18:29:48,546 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 18:29:48,802 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 18:29:49,039 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 18:29:49,284 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 18:29:49,509 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 18:29:49,819 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 18:29:50,042 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 18:29:50,251 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 18:29:50,460 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 18:29:50,683 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 18:29:50,901 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 18:29:51,106 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 18:29:51,286 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 18:29:51,455 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 18:29:51,929 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 18:29:52,332 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 18:29:52,659 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 18:29:52,941 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 18:29:53,171 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 18:29:53,381 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 18:29:53,576 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 18:29:53,748 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 18:29:53,918 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 18:29:54,231 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-09-20 18:29:54,384 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 18:29:54,804 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-20 18:29:54,995 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 18:29:55,350 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-20 18:29:55,663 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-20 18:29:55,998 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 18:29:56,311 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 18:29:56,616 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-20 18:29:56,924 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-20 18:29:57,242 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 18:29:57,531 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-20 18:29:57,814 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 18:29:58,109 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 18:29:58,395 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 18:29:58,664 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 18:29:58,948 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 18:29:59,207 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 18:29:59,483 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 18:29:59,730 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 18:29:59,984 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 18:30:00,221 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 18:30:00,447 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 18:30:00,666 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 18:30:01,696 WARN L191 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-20 18:30:02,559 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-20 18:30:03,218 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 18:30:03,772 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 18:30:04,233 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 18:30:04,609 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 18:30:04,939 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 18:30:05,229 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 18:30:05,485 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 18:30:05,721 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 18:30:05,948 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 18:30:06,171 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 18:30:06,568 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-09-20 18:30:06,758 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 18:30:07,236 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-20 18:30:07,474 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 18:30:07,890 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-20 18:30:08,305 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-20 18:30:08,701 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-09-20 18:30:09,099 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-20 18:30:09,519 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-09-20 18:30:09,920 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-09-20 18:30:10,309 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-20 18:30:10,692 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-20 18:30:11,121 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-20 18:30:11,485 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-20 18:30:11,842 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 18:30:12,187 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-20 18:30:12,538 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 18:30:12,873 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-20 18:30:13,211 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 18:30:13,545 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 18:30:13,873 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:30:14,188 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 18:30:14,491 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 18:30:14,792 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 18:30:15,090 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 18:30:15,389 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 18:30:15,680 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 18:30:15,964 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 18:30:16,253 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 18:30:19,301 WARN L191 SmtUtils]: Spent 2.99 s on a formula simplification that was a NOOP. DAG size: 175 [2019-09-20 18:30:21,440 WARN L191 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 171 [2019-09-20 18:30:22,961 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 166 [2019-09-20 18:30:24,156 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 159 [2019-09-20 18:30:25,256 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 152 [2019-09-20 18:30:26,070 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-20 18:30:26,732 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 18:30:27,290 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-20 18:30:27,768 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 18:30:28,156 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 18:30:28,506 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 112