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/sll2c_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:10:43,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:10:43,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:10:43,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:10:43,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:10:43,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:10:43,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:10:43,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:10:43,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:10:43,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:10:43,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:10:43,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:10:43,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:10:43,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:10:43,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:10:43,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:10:43,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:10:43,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:10:43,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:10:43,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:10:43,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:10:43,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:10:43,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:10:43,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:10:43,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:10:43,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:10:43,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:10:43,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:10:43,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:10:43,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:10:43,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:10:43,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:10:43,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:10:43,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:10:43,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:10:43,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:10:43,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:10:43,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:10:43,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:10:43,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:10:43,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:10:43,136 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 14:10:43,157 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:10:43,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:10:43,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:10:43,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:10:43,159 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:10:43,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:10:43,159 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:10:43,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:10:43,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:10:43,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:10:43,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:10:43,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:10:43,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:10:43,162 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:10:43,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:10:43,162 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:10:43,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:10:43,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:10:43,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:10:43,163 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:10:43,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:10:43,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:10:43,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:10:43,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:10:43,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:10:43,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:10:43,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:10:43,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:10:43,165 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 14:10:43,208 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:10:43,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:10:43,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:10:43,224 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:10:43,225 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:10:43,226 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_update_all.i [2019-09-20 14:10:43,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65c548c61/7bb209aaf4ac403c95c875c1b9fd9c36/FLAG0c7976622 [2019-09-20 14:10:43,806 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:10:43,806 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_update_all.i [2019-09-20 14:10:43,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65c548c61/7bb209aaf4ac403c95c875c1b9fd9c36/FLAG0c7976622 [2019-09-20 14:10:44,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65c548c61/7bb209aaf4ac403c95c875c1b9fd9c36 [2019-09-20 14:10:44,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:10:44,167 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:10:44,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:10:44,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:10:44,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:10:44,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:10:44" (1/1) ... [2019-09-20 14:10:44,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38fd210c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44, skipping insertion in model container [2019-09-20 14:10:44,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:10:44" (1/1) ... [2019-09-20 14:10:44,181 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:10:44,233 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:10:44,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:10:44,756 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:10:44,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:10:44,867 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:10:44,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44 WrapperNode [2019-09-20 14:10:44,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:10:44,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:10:44,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:10:44,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:10:44,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2019-09-20 14:10:44,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2019-09-20 14:10:44,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2019-09-20 14:10:44,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2019-09-20 14:10:44,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2019-09-20 14:10:44,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2019-09-20 14:10:44,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2019-09-20 14:10:44,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:10:44,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:10:44,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:10:44,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:10:44,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (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 14:10:45,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:10:45,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:10:45,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 14:10:45,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 14:10:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 14:10:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 14:10:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-20 14:10:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2019-09-20 14:10:45,010 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_get_data_at [2019-09-20 14:10:45,010 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_update_at [2019-09-20 14:10:45,010 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:10:45,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:10:45,011 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 14:10:45,011 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 14:10:45,011 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 14:10:45,011 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 14:10:45,011 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 14:10:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 14:10:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 14:10:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 14:10:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 14:10:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 14:10:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 14:10:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 14:10:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 14:10:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 14:10:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 14:10:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 14:10:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 14:10:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 14:10:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 14:10:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 14:10:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 14:10:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 14:10:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 14:10:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 14:10:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 14:10:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 14:10:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 14:10:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 14:10:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 14:10:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 14:10:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 14:10:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 14:10:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 14:10:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 14:10:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 14:10:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 14:10:45,017 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 14:10:45,017 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 14:10:45,017 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 14:10:45,017 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 14:10:45,017 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 14:10:45,017 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 14:10:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 14:10:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 14:10:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 14:10:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 14:10:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 14:10:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 14:10:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 14:10:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 14:10:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 14:10:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 14:10:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 14:10:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 14:10:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 14:10:45,020 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 14:10:45,020 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 14:10:45,020 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 14:10:45,020 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 14:10:45,020 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 14:10:45,020 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 14:10:45,021 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 14:10:45,021 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 14:10:45,021 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 14:10:45,021 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 14:10:45,021 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 14:10:45,021 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 14:10:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 14:10:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 14:10:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 14:10:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 14:10:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 14:10:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 14:10:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 14:10:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 14:10:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 14:10:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 14:10:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 14:10:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 14:10:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 14:10:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 14:10:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 14:10:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 14:10:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 14:10:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 14:10:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 14:10:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 14:10:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 14:10:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 14:10:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 14:10:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 14:10:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 14:10:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 14:10:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 14:10:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 14:10:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 14:10:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 14:10:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 14:10:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 14:10:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 14:10:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 14:10:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 14:10:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 14:10:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 14:10:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 14:10:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 14:10:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 14:10:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 14:10:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 14:10:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 14:10:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-20 14:10:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2019-09-20 14:10:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 14:10:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 14:10:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_get_data_at [2019-09-20 14:10:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 14:10:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_update_at [2019-09-20 14:10:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:10:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:10:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:10:45,419 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 14:10:45,746 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:10:45,746 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 14:10:45,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:10:45 BoogieIcfgContainer [2019-09-20 14:10:45,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:10:45,748 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:10:45,749 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:10:45,749 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:10:45,750 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:10:45" (1/1) ... [2019-09-20 14:10:45,751 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 14:10:45,778 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:10:45,778 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:10:45,796 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:10:45,808 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:10:45,809 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:10:45,961 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 14:10:46,062 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 14:10:47,177 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-09-20 14:10:47,442 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 14:10:47,630 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 14:10:47,805 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 14:10:47,957 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 14:10:48,097 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 14:10:48,260 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 14:10:48,431 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 14:10:48,562 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 14:10:48,718 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 14:10:48,866 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 14:10:48,986 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 14:10:49,229 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 14:10:49,415 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 14:10:49,571 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 14:10:49,726 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 14:10:49,861 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 14:10:49,990 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 14:10:50,218 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-20 14:10:50,351 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 14:10:50,706 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2019-09-20 14:10:52,224 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2019-09-20 14:10:52,573 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 14:10:52,838 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2019-09-20 14:10:52,952 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 14:10:53,100 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 37 [2019-09-20 14:10:53,462 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2019-09-20 14:10:54,151 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 110 [2019-09-20 14:10:56,370 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 14:10:56,370 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 14:10:56,372 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 170#true [2019-09-20 14:10:56,386 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 14:10:56,386 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 14:10:56,388 INFO L168 Benchmark]: Toolchain (without parser) took 12221.03 ms. Allocated memory was 141.0 MB in the beginning and 342.4 MB in the end (delta: 201.3 MB). Free memory was 85.9 MB in the beginning and 274.1 MB in the end (delta: -188.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-09-20 14:10:56,388 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 141.0 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 14:10:56,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.91 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 85.7 MB in the beginning and 162.8 MB in the end (delta: -77.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-09-20 14:10:56,390 INFO L168 Benchmark]: Boogie Preprocessor took 81.18 ms. Allocated memory is still 200.3 MB. Free memory was 162.8 MB in the beginning and 159.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-20 14:10:56,391 INFO L168 Benchmark]: RCFGBuilder took 798.42 ms. Allocated memory is still 200.3 MB. Free memory was 159.9 MB in the beginning and 103.0 MB in the end (delta: 56.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 7.1 GB. [2019-09-20 14:10:56,391 INFO L168 Benchmark]: Sifa took 10638.04 ms. Allocated memory was 200.3 MB in the beginning and 342.4 MB in the end (delta: 142.1 MB). Free memory was 103.0 MB in the beginning and 274.1 MB in the end (delta: -171.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 14:10:56,393 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 141.0 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 699.91 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 85.7 MB in the beginning and 162.8 MB in the end (delta: -77.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.18 ms. Allocated memory is still 200.3 MB. Free memory was 162.8 MB in the beginning and 159.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 798.42 ms. Allocated memory is still 200.3 MB. Free memory was 159.9 MB in the beginning and 103.0 MB in the end (delta: 56.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 7.1 GB. * Sifa took 10638.04 ms. Allocated memory was 200.3 MB in the beginning and 342.4 MB in the end (delta: 142.1 MB). Free memory was 103.0 MB in the beginning and 274.1 MB in the end (delta: -171.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 10594, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 73, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 51, TOOLS_POST_TIME[ms]: 2309, TOOLS_POST_CALL_APPLICATIONS: 17, TOOLS_POST_CALL_TIME[ms]: 134, TOOLS_POST_RETURN_APPLICATIONS: 16, TOOLS_POST_RETURN_TIME[ms]: 2918, TOOLS_QUANTIFIERELIM_APPLICATIONS: 84, TOOLS_QUANTIFIERELIM_TIME[ms]: 5308, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1534, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 89, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 24, DOMAIN_JOIN_TIME[ms]: 1583, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 11, DOMAIN_WIDEN_TIME[ms]: 1434, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 2098, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 7, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9078, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9077, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 16, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 6271, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6271, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 126, DAG_COMPRESSION_RETAINED_NODES: 66 - UnprovableResult [Line: 626]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 170#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...