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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/list-simple/dll2n_insert_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:44:49,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:44:49,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:44:49,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:44:49,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:44:49,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:44:49,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:44:49,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:44:49,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:44:49,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:44:49,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:44:49,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:44:49,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:44:49,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:44:49,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:44:49,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:44:49,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:44:49,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:44:49,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:44:49,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:44:49,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:44:49,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:44:49,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:44:49,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:44:49,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:44:49,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:44:49,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:44:49,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:44:49,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:44:49,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:44:49,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:44:49,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:44:49,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:44:49,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:44:49,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:44:49,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:44:49,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:44:49,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:44:49,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:44:49,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:44:49,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:44:49,075 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 [2019-09-25 17:44:49,099 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:44:49,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:44:49,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:44:49,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:44:49,102 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:44:49,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:44:49,102 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:44:49,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:44:49,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:44:49,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:44:49,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:44:49,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:44:49,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:44:49,105 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:44:49,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:44:49,105 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:44:49,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:44:49,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:44:49,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:44:49,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:44:49,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:44:49,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:44:49,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:44:49,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:44:49,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:44:49,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:44:49,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:44:49,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:44:49,108 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:44:49,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:44:49,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:44:49,188 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:44:49,189 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:44:49,190 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:44:49,190 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_insert_equal.i [2019-09-25 17:44:49,254 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dc1a6d77/0e8c9d20eec3466c87112386f65ebe9a/FLAG1195c0cb0 [2019-09-25 17:44:49,765 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:44:49,766 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_insert_equal.i [2019-09-25 17:44:49,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dc1a6d77/0e8c9d20eec3466c87112386f65ebe9a/FLAG1195c0cb0 [2019-09-25 17:44:50,100 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dc1a6d77/0e8c9d20eec3466c87112386f65ebe9a [2019-09-25 17:44:50,113 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:44:50,114 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:44:50,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:44:50,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:44:50,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:44:50,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:44:50" (1/1) ... [2019-09-25 17:44:50,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f1ead2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:50, skipping insertion in model container [2019-09-25 17:44:50,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:44:50" (1/1) ... [2019-09-25 17:44:50,128 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:44:50,181 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:44:50,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:44:50,683 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:44:50,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:44:50,787 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:44:50,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:50 WrapperNode [2019-09-25 17:44:50,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:44:50,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:44:50,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:44:50,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:44:50,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:50" (1/1) ... [2019-09-25 17:44:50,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:50" (1/1) ... [2019-09-25 17:44:50,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:50" (1/1) ... [2019-09-25 17:44:50,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:50" (1/1) ... [2019-09-25 17:44:50,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:50" (1/1) ... [2019-09-25 17:44:50,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:50" (1/1) ... [2019-09-25 17:44:50,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:50" (1/1) ... [2019-09-25 17:44:50,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:44:50,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:44:50,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:44:50,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:44:50,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:50" (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 [2019-09-25 17:44:50,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:44:50,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:44:50,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-25 17:44:50,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-25 17:44:50,927 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-25 17:44:50,927 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-25 17:44:50,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-25 17:44:50,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-25 17:44:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert [2019-09-25 17:44:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:44:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:44:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-25 17:44:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-25 17:44:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-25 17:44:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-25 17:44:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-25 17:44:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-25 17:44:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-25 17:44:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-25 17:44:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-25 17:44:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-25 17:44:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-25 17:44:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-25 17:44:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-25 17:44:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-25 17:44:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-25 17:44:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-25 17:44:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-25 17:44:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-25 17:44:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-25 17:44:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-25 17:44:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-25 17:44:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-25 17:44:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-25 17:44:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-25 17:44:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-25 17:44:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-25 17:44:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-25 17:44:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-25 17:44:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-25 17:44:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-25 17:44:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-25 17:44:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-25 17:44:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-25 17:44:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-25 17:44:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-25 17:44:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-25 17:44:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-25 17:44:50,940 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-25 17:44:50,940 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-25 17:44:50,940 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-25 17:44:50,940 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-25 17:44:50,940 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-25 17:44:50,940 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-25 17:44:50,941 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-25 17:44:50,941 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-25 17:44:50,941 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-25 17:44:50,941 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-25 17:44:50,942 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-25 17:44:50,942 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-25 17:44:50,942 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-25 17:44:50,942 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-25 17:44:50,942 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-25 17:44:50,942 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:44:50,942 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-25 17:44:50,943 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-25 17:44:50,943 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:44:50,943 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-25 17:44:50,944 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-25 17:44:50,944 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-25 17:44:50,944 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-25 17:44:50,944 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-25 17:44:50,945 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-25 17:44:50,945 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-25 17:44:50,946 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-25 17:44:50,946 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-25 17:44:50,947 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-25 17:44:50,947 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-25 17:44:50,948 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-25 17:44:50,948 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-25 17:44:50,948 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-25 17:44:50,948 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-25 17:44:50,948 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-25 17:44:50,948 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-25 17:44:50,948 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-25 17:44:50,949 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-25 17:44:50,949 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-25 17:44:50,949 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-25 17:44:50,949 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-25 17:44:50,949 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-25 17:44:50,949 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-25 17:44:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-25 17:44:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-25 17:44:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-25 17:44:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-25 17:44:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-25 17:44:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-25 17:44:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-25 17:44:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-25 17:44:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-25 17:44:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-25 17:44:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-25 17:44:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-25 17:44:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-25 17:44:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-25 17:44:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-25 17:44:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-25 17:44:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-25 17:44:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-25 17:44:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-25 17:44:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-25 17:44:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-25 17:44:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-25 17:44:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-25 17:44:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-25 17:44:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-25 17:44:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-25 17:44:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-25 17:44:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:44:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:44:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:44:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-25 17:44:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-25 17:44:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:44:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:44:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert [2019-09-25 17:44:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:44:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:44:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-25 17:44:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:44:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:44:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:44:51,402 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-25 17:44:52,246 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:44:52,247 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-25 17:44:52,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:44:52 BoogieIcfgContainer [2019-09-25 17:44:52,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:44:52,249 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:44:52,249 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:44:52,249 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:44:52,251 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:44:52" (1/1) ... [2019-09-25 17:44:52,251 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:44:52,278 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:44:52,279 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:44:52,288 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:44:52,302 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:44:52,303 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:44:52,483 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-25 17:44:52,758 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:44:53,184 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:44:53,572 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:44:54,337 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:44:55,448 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:44:56,986 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:44:57,635 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:44:57,650 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:44:57,662 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:44:58,952 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-25 17:44:59,036 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:44:59,959 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2019-09-25 17:45:00,609 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-25 17:45:06,527 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2019-09-25 17:45:16,780 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-25 17:45:27,616 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 34 [2019-09-25 17:45:30,700 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 17:45:30,723 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-09-25 17:45:30,739 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-09-25 17:45:30,822 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:45:30,822 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:45:30,824 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 369#(or (and (= |#NULL.base| 0) (= |main_~#s~0.offset| 0) (= |#NULL.offset| 0) (= main_~data~0 1) (= main_~len~0 2)) (and (< |main_~#s~0.base| |#StackHeapBarrier|) (not (= main_~count~0 (+ main_~len~0 1))) (= main_~ptr~0.offset 0) (= 0 |#NULL.base|) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= 0 main_~ptr~0.base) (= main_~count~0 0) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.base) (= |main_~#s~0.offset| 0) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.offset) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= main_~len~0 2))) [2019-09-25 17:45:30,836 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:45:30,836 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:45:30,837 INFO L168 Benchmark]: Toolchain (without parser) took 40723.40 ms. Allocated memory was 136.3 MB in the beginning and 398.5 MB in the end (delta: 262.1 MB). Free memory was 82.3 MB in the beginning and 105.8 MB in the end (delta: -23.5 MB). Peak memory consumption was 238.6 MB. Max. memory is 7.1 GB. [2019-09-25 17:45:30,838 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 136.3 MB. Free memory was 102.4 MB in the beginning and 102.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:45:30,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.68 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 82.1 MB in the beginning and 158.6 MB in the end (delta: -76.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:45:30,839 INFO L168 Benchmark]: Boogie Preprocessor took 72.68 ms. Allocated memory is still 197.7 MB. Free memory was 158.6 MB in the beginning and 155.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:45:30,839 INFO L168 Benchmark]: RCFGBuilder took 1386.50 ms. Allocated memory is still 197.7 MB. Free memory was 155.3 MB in the beginning and 79.9 MB in the end (delta: 75.4 MB). Peak memory consumption was 75.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:45:30,840 INFO L168 Benchmark]: Sifa took 38587.10 ms. Allocated memory was 197.7 MB in the beginning and 398.5 MB in the end (delta: 200.8 MB). Free memory was 79.9 MB in the beginning and 105.8 MB in the end (delta: -25.9 MB). Peak memory consumption was 174.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:45:30,841 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 136.3 MB. Free memory was 102.4 MB in the beginning and 102.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 673.68 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 82.1 MB in the beginning and 158.6 MB in the end (delta: -76.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 72.68 ms. Allocated memory is still 197.7 MB. Free memory was 158.6 MB in the beginning and 155.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1386.50 ms. Allocated memory is still 197.7 MB. Free memory was 155.3 MB in the beginning and 79.9 MB in the end (delta: 75.4 MB). Peak memory consumption was 75.4 MB. Max. memory is 7.1 GB. * Sifa took 38587.10 ms. Allocated memory was 197.7 MB in the beginning and 398.5 MB in the end (delta: 200.8 MB). Free memory was 79.9 MB in the beginning and 105.8 MB in the end (delta: -25.9 MB). Peak memory consumption was 174.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 38546, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 67, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 53, TOOLS_POST_TIME[ms]: 37813, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 160, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 15, TOOLS_QUANTIFIERELIM_APPLICATIONS: 58, TOOLS_QUANTIFIERELIM_TIME[ms]: 37947, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 31460, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 80, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 22, DOMAIN_JOIN_TIME[ms]: 316, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 101, DOMAIN_ISSUBSETEQ_APPLICATIONS: 13, DOMAIN_ISSUBSETEQ_TIME[ms]: 26, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 7, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6454, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6453, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, CALL_SUMMARIZER_APPLICATIONS: 7, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 38257, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 38257, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 28, DAG_COMPRESSION_PROCESSED_NODES: 141, DAG_COMPRESSION_RETAINED_NODES: 66 - UnprovableResult [Line: 643]: 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 369#(or (and (= |#NULL.base| 0) (= |main_~#s~0.offset| 0) (= |#NULL.offset| 0) (= main_~data~0 1) (= main_~len~0 2)) (and (< |main_~#s~0.base| |#StackHeapBarrier|) (not (= main_~count~0 (+ main_~len~0 1))) (= main_~ptr~0.offset 0) (= 0 |#NULL.base|) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= 0 main_~ptr~0.base) (= main_~count~0 0) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.base) (= |main_~#s~0.offset| 0) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.offset) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= main_~len~0 2))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...