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 TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2c_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:09:53,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:09:53,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:09:53,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:09:53,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:09:53,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:09:53,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:09:53,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:09:53,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:09:53,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:09:53,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:09:53,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:09:53,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:09:53,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:09:53,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:09:53,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:09:53,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:09:53,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:09:53,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:09:53,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:09:53,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:09:53,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:09:53,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:09:53,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:09:54,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:09:54,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:09:54,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:09:54,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:09:54,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:09:54,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:09:54,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:09:54,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:09:54,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:09:54,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:09:54,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:09:54,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:09:54,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:09:54,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:09:54,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:09:54,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:09:54,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:09:54,012 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 14:09:54,026 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:09:54,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:09:54,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:09:54,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:09:54,029 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:09:54,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:09:54,029 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:09:54,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:09:54,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:09:54,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:09:54,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:09:54,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:09:54,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:09:54,032 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:09:54,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:09:54,032 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:09:54,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:09:54,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:09:54,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:09:54,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:09:54,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:09:54,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:09:54,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:09:54,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:09:54,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:09:54,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:09:54,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:09:54,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:09:54,036 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 -> 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 14:09:54,104 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:09:54,122 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:09:54,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:09:54,130 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:09:54,130 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:09:54,131 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_remove_all.i [2019-09-20 14:09:54,206 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dfbf7e39/37b85971e61249e0b9f3de6da060c3a0/FLAG0ee90d72f [2019-09-20 14:09:54,776 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:09:54,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_remove_all.i [2019-09-20 14:09:54,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dfbf7e39/37b85971e61249e0b9f3de6da060c3a0/FLAG0ee90d72f [2019-09-20 14:09:55,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dfbf7e39/37b85971e61249e0b9f3de6da060c3a0 [2019-09-20 14:09:55,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:09:55,052 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:09:55,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:09:55,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:09:55,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:09:55,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:09:55" (1/1) ... [2019-09-20 14:09:55,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37c1ae1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:55, skipping insertion in model container [2019-09-20 14:09:55,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:09:55" (1/1) ... [2019-09-20 14:09:55,066 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:09:55,120 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:09:55,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:09:55,767 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:09:55,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:09:55,915 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:09:55,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:55 WrapperNode [2019-09-20 14:09:55,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:09:55,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:09:55,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:09:55,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:09:55,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:55" (1/1) ... [2019-09-20 14:09:55,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:55" (1/1) ... [2019-09-20 14:09:55,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:55" (1/1) ... [2019-09-20 14:09:55,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:55" (1/1) ... [2019-09-20 14:09:55,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:55" (1/1) ... [2019-09-20 14:09:55,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:55" (1/1) ... [2019-09-20 14:09:55,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:55" (1/1) ... [2019-09-20 14:09:55,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:09:55,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:09:55,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:09:55,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:09:55,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:55" (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 14:09:56,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:09:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:09:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 14:09:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 14:09:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 14:09:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 14:09:56,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-20 14:09:56,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_remove_first [2019-09-20 14:09:56,061 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:09:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:09:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 14:09:56,062 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 14:09:56,062 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 14:09:56,063 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 14:09:56,063 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 14:09:56,063 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 14:09:56,063 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 14:09:56,063 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 14:09:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 14:09:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 14:09:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 14:09:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 14:09:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 14:09:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 14:09:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 14:09:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 14:09:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 14:09:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 14:09:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 14:09:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 14:09:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 14:09:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 14:09:56,068 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 14:09:56,068 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 14:09:56,068 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 14:09:56,068 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 14:09:56,068 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 14:09:56,068 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 14:09:56,069 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 14:09:56,069 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 14:09:56,069 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 14:09:56,069 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 14:09:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 14:09:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 14:09:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 14:09:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 14:09:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 14:09:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 14:09:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 14:09:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 14:09:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 14:09:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 14:09:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 14:09:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 14:09:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 14:09:56,072 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 14:09:56,072 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 14:09:56,072 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 14:09:56,072 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 14:09:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 14:09:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 14:09:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 14:09:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 14:09:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 14:09:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 14:09:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 14:09:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 14:09:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 14:09:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 14:09:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 14:09:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 14:09:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 14:09:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 14:09:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 14:09:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 14:09:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 14:09:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 14:09:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 14:09:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 14:09:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 14:09:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 14:09:56,080 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 14:09:56,080 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 14:09:56,080 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 14:09:56,081 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 14:09:56,081 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 14:09:56,081 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 14:09:56,082 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 14:09:56,082 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 14:09:56,082 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 14:09:56,082 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 14:09:56,082 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 14:09:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 14:09:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 14:09:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 14:09:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 14:09:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 14:09:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 14:09:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 14:09:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 14:09:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 14:09:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 14:09:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 14:09:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 14:09:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 14:09:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 14:09:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 14:09:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 14:09:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 14:09:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 14:09:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 14:09:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 14:09:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 14:09:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 14:09:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 14:09:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 14:09:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 14:09:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 14:09:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 14:09:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 14:09:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-20 14:09:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_remove_first [2019-09-20 14:09:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 14:09:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 14:09:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:09:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 14:09:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 14:09:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:09:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:09:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 14:09:56,538 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 14:09:56,880 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:09:56,880 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 14:09:56,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:09:56 BoogieIcfgContainer [2019-09-20 14:09:56,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:09:56,882 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:09:56,883 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:09:56,883 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:09:56,885 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:09:56" (1/1) ... [2019-09-20 14:09:56,886 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 14:09:56,917 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:09:56,920 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:09:56,928 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:09:56,936 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:09:56,937 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:09:57,097 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 14:09:57,421 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 14:09:58,582 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 14:09:58,904 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2019-09-20 14:09:59,054 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-20 14:09:59,412 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 14:10:00,196 WARN L191 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2019-09-20 14:10:00,550 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 14:10:00,872 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 14:10:01,226 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 14:10:01,560 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 14:10:01,880 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 14:10:02,170 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 14:10:02,493 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 14:10:02,892 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-09-20 14:10:03,167 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-20 14:10:04,624 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 14:10:05,939 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 14:10:06,776 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 14:10:07,451 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 14:10:08,244 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2019-09-20 14:10:08,801 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2019-09-20 14:10:09,220 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-20 14:10:09,609 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2019-09-20 14:10:09,766 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 14:10:09,929 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 14:10:10,405 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 110 [2019-09-20 14:10:15,606 WARN L191 SmtUtils]: Spent 5.12 s on a formula simplification that was a NOOP. DAG size: 156 [2019-09-20 14:10:19,454 WARN L191 SmtUtils]: Spent 3.59 s on a formula simplification that was a NOOP. DAG size: 150 [2019-09-20 14:10:23,030 WARN L191 SmtUtils]: Spent 3.45 s on a formula simplification that was a NOOP. DAG size: 142 [2019-09-20 14:10:26,750 WARN L191 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 134 DAG size of output: 133 [2019-09-20 14:10:28,063 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 14:10:29,122 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 14:10:30,466 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2019-09-20 14:10:31,528 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2019-09-20 14:10:32,324 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2019-09-20 14:10:33,089 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2019-09-20 14:10:33,755 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-20 14:10:34,277 WARN L191 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 68