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/sll2n_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:27:55,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:27:55,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:27:55,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:27:55,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:27:55,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:27:55,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:27:55,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:27:55,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:27:55,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:27:55,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:27:55,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:27:55,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:27:55,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:27:55,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:27:55,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:27:55,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:27:55,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:27:55,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:27:55,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:27:55,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:27:55,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:27:55,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:27:55,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:27:55,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:27:55,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:27:55,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:27:55,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:27:55,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:27:55,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:27:55,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:27:55,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:27:55,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:27:55,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:27:55,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:27:55,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:27:55,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:27:55,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:27:55,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:27:55,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:27:55,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:27:55,101 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 21:27:55,124 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:27:55,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:27:55,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:27:55,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:27:55,126 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:27:55,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:27:55,126 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:27:55,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:27:55,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:27:55,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:27:55,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:27:55,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:27:55,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:27:55,128 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:27:55,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:27:55,128 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:27:55,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:27:55,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:27:55,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:27:55,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:27:55,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:27:55,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:27:55,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:27:55,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:27:55,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:27:55,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:27:55,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:27:55,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:27:55,131 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 21:27:55,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:27:55,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:27:55,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:27:55,181 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:27:55,181 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:27:55,182 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_remove_all_reverse.i [2019-09-20 21:27:55,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f109887e5/0c4511021a6a4f828c1749fdb41fef57/FLAGf95544ce0 [2019-09-20 21:27:55,810 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:27:55,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_remove_all_reverse.i [2019-09-20 21:27:55,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f109887e5/0c4511021a6a4f828c1749fdb41fef57/FLAGf95544ce0 [2019-09-20 21:27:56,104 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f109887e5/0c4511021a6a4f828c1749fdb41fef57 [2019-09-20 21:27:56,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:27:56,115 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:27:56,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:27:56,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:27:56,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:27:56,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:27:56" (1/1) ... [2019-09-20 21:27:56,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44397968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:56, skipping insertion in model container [2019-09-20 21:27:56,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:27:56" (1/1) ... [2019-09-20 21:27:56,132 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:27:56,184 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:27:56,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:27:56,646 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:27:56,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:27:56,764 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:27:56,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:56 WrapperNode [2019-09-20 21:27:56,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:27:56,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:27:56,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:27:56,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:27:56,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:56" (1/1) ... [2019-09-20 21:27:56,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:56" (1/1) ... [2019-09-20 21:27:56,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:56" (1/1) ... [2019-09-20 21:27:56,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:56" (1/1) ... [2019-09-20 21:27:56,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:56" (1/1) ... [2019-09-20 21:27:56,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:56" (1/1) ... [2019-09-20 21:27:56,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:56" (1/1) ... [2019-09-20 21:27:56,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:27:56,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:27:56,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:27:56,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:27:56,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:56" (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 21:27:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:27:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:27:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 21:27:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 21:27:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 21:27:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 21:27:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-09-20 21:27:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_remove_last [2019-09-20 21:27:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:27:56,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:27:56,894 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 21:27:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 21:27:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 21:27:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 21:27:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 21:27:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 21:27:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 21:27:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 21:27:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 21:27:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 21:27:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 21:27:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 21:27:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 21:27:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 21:27:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 21:27:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 21:27:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 21:27:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 21:27:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 21:27:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 21:27:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 21:27:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 21:27:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 21:27:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 21:27:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 21:27:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 21:27:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 21:27:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 21:27:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 21:27:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 21:27:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 21:27:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 21:27:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 21:27:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 21:27:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 21:27:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 21:27:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 21:27:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 21:27:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 21:27:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 21:27:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 21:27:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 21:27:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 21:27:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 21:27:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 21:27:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 21:27:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 21:27:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 21:27:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 21:27:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 21:27:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 21:27:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 21:27:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 21:27:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 21:27:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 21:27:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 21:27:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 21:27:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 21:27:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 21:27:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 21:27:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 21:27:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 21:27:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 21:27:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 21:27:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 21:27:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 21:27:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 21:27:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 21:27:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 21:27:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 21:27:56,910 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 21:27:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 21:27:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 21:27:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 21:27:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 21:27:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 21:27:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 21:27:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 21:27:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 21:27:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 21:27:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 21:27:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 21:27:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 21:27:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 21:27:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 21:27:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 21:27:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 21:27:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 21:27:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 21:27:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 21:27:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 21:27:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 21:27:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 21:27:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 21:27:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 21:27:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 21:27:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 21:27:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 21:27:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 21:27:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 21:27:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 21:27:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 21:27:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 21:27:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 21:27:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 21:27:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 21:27:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 21:27:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 21:27:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 21:27:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 21:27:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-09-20 21:27:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure sll_remove_last [2019-09-20 21:27:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 21:27:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 21:27:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:27:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 21:27:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 21:27:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:27:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:27:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 21:27:57,300 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 21:27:57,531 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:27:57,531 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 21:27:57,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:27:57 BoogieIcfgContainer [2019-09-20 21:27:57,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:27:57,533 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:27:57,533 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:27:57,534 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:27:57,535 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:27:57" (1/1) ... [2019-09-20 21:27:57,536 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 21:27:57,560 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:27:57,561 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:27:57,568 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:27:57,577 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:27:57,579 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:27:57,732 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 21:27:57,958 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:27:58,543 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2019-09-20 21:27:58,673 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 21:27:59,236 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2019-09-20 21:27:59,637 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-20 21:27:59,805 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 21:27:59,942 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 21:28:00,059 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 21:28:00,074 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:28:00,503 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 21:28:16,165 WARN L191 SmtUtils]: Spent 15.53 s on a formula simplification. DAG size of input: 220 DAG size of output: 216