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 LoopFreeBlock --sifa.call.summarizer InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2n_insert_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:27:03,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:27:03,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:27:03,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:27:03,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:27:03,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:27:03,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:27:03,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:27:03,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:27:03,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:27:03,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:27:03,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:27:03,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:27:03,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:27:03,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:27:03,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:27:03,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:27:03,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:27:03,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:27:03,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:27:03,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:27:03,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:27:03,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:27:03,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:27:03,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:27:03,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:27:03,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:27:03,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:27:03,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:27:03,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:27:03,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:27:03,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:27:03,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:27:03,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:27:03,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:27:03,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:27:03,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:27:03,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:27:03,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:27:03,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:27:03,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:27:03,071 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 21:27:03,089 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:27:03,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:27:03,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:27:03,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:27:03,092 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:27:03,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:27:03,092 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:27:03,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:27:03,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:27:03,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:27:03,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:27:03,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:27:03,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:27:03,095 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:27:03,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:27:03,095 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:27:03,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:27:03,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:27:03,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:27:03,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:27:03,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:27:03,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:27:03,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:27:03,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:27:03,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:27:03,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:27:03,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:27:03,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:27:03,098 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 -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> InterpretCallSummarizer 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 21:27:03,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:27:03,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:27:03,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:27:03,169 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:27:03,169 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:27:03,170 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_insert_equal.i [2019-09-20 21:27:03,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04edd6f4d/9057f22acb704a6881c0e8ce043a22af/FLAGd866fe277 [2019-09-20 21:27:03,772 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:27:03,773 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_insert_equal.i [2019-09-20 21:27:03,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04edd6f4d/9057f22acb704a6881c0e8ce043a22af/FLAGd866fe277 [2019-09-20 21:27:04,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04edd6f4d/9057f22acb704a6881c0e8ce043a22af [2019-09-20 21:27:04,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:27:04,035 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:27:04,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:27:04,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:27:04,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:27:04,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:27:04" (1/1) ... [2019-09-20 21:27:04,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca7b106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:04, skipping insertion in model container [2019-09-20 21:27:04,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:27:04" (1/1) ... [2019-09-20 21:27:04,051 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:27:04,101 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:27:04,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:27:04,595 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:27:04,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:27:04,712 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:27:04,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:04 WrapperNode [2019-09-20 21:27:04,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:27:04,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:27:04,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:27:04,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:27:04,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:04" (1/1) ... [2019-09-20 21:27:04,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:04" (1/1) ... [2019-09-20 21:27:04,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:04" (1/1) ... [2019-09-20 21:27:04,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:04" (1/1) ... [2019-09-20 21:27:04,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:04" (1/1) ... [2019-09-20 21:27:04,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:04" (1/1) ... [2019-09-20 21:27:04,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:04" (1/1) ... [2019-09-20 21:27:04,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:27:04,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:27:04,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:27:04,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:27:04,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:04" (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 21:27:04,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:27:04,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:27:04,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 21:27:04,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 21:27:04,853 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 21:27:04,853 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 21:27:04,854 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-20 21:27:04,854 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-20 21:27:04,854 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert [2019-09-20 21:27:04,854 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:27:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:27:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 21:27:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 21:27:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 21:27:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 21:27:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 21:27:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 21:27:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 21:27:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 21:27:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 21:27:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 21:27:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 21:27:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 21:27:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 21:27:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 21:27:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 21:27:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 21:27:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 21:27:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 21:27:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 21:27:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 21:27:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 21:27:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 21:27:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 21:27:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 21:27:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 21:27:04,859 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 21:27:04,859 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 21:27:04,859 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 21:27:04,859 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 21:27:04,859 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 21:27:04,859 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 21:27:04,859 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 21:27:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 21:27:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 21:27:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 21:27:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 21:27:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 21:27:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 21:27:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 21:27:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 21:27:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 21:27:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 21:27:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 21:27:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 21:27:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 21:27:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 21:27:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 21:27:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 21:27:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 21:27:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 21:27:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 21:27:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 21:27:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 21:27:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 21:27:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 21:27:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 21:27:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 21:27:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 21:27:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 21:27:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 21:27:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 21:27:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 21:27:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 21:27:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 21:27:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 21:27:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 21:27:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 21:27:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 21:27:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 21:27:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 21:27:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 21:27:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 21:27:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 21:27:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 21:27:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 21:27:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 21:27:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 21:27:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 21:27:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 21:27:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 21:27:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 21:27:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 21:27:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 21:27:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 21:27:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 21:27:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 21:27:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 21:27:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 21:27:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 21:27:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 21:27:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 21:27:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 21:27:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 21:27:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 21:27:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 21:27:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 21:27:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 21:27:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 21:27:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 21:27:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 21:27:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 21:27:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 21:27:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 21:27:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 21:27:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 21:27:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 21:27:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 21:27:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 21:27:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 21:27:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 21:27:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-20 21:27:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-20 21:27:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 21:27:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 21:27:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert [2019-09-20 21:27:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:27:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 21:27:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 21:27:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 21:27:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:27:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:27:05,323 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 21:27:06,193 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:27:06,193 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 21:27:06,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:27:06 BoogieIcfgContainer [2019-09-20 21:27:06,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:27:06,197 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:27:06,198 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:27:06,198 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:27:06,199 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:27:06" (1/1) ... [2019-09-20 21:27:06,200 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:27:06,245 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:27:06,245 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:27:06,252 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:27:06,261 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:27:06,262 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:27:06,408 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 21:27:07,382 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-20 21:27:07,550 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 21:27:07,685 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 21:27:17,467 WARN L191 SmtUtils]: Spent 9.58 s on a formula simplification. DAG size of input: 189 DAG size of output: 175 [2019-09-20 21:27:20,535 WARN L191 SmtUtils]: Spent 3.02 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-20 21:27:23,346 WARN L191 SmtUtils]: Spent 2.79 s on a formula simplification that was a NOOP. DAG size: 167 [2019-09-20 21:27:26,070 WARN L191 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 165 [2019-09-20 21:27:28,255 WARN L191 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 160 [2019-09-20 21:27:30,494 WARN L191 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 189 [2019-09-20 21:27:30,580 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 21:27:30,628 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 21:27:30,638 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 21:27:32,935 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2019-09-20 21:27:33,830 WARN L191 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 21:27:34,522 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 21:27:35,702 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 21:27:36,375 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 21:27:37,115 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-09-20 21:27:37,727 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-20 21:27:38,208 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2019-09-20 21:27:38,271 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:27:38,275 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:27:38,353 WARN L98 DagInterpreter]: A function never reaches its return