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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:27:29,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:27:29,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:27:29,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:27:29,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:27:29,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:27:29,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:27:29,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:27:30,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:27:30,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:27:30,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:27:30,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:27:30,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:27:30,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:27:30,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:27:30,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:27:30,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:27:30,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:27:30,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:27:30,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:27:30,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:27:30,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:27:30,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:27:30,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:27:30,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:27:30,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:27:30,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:27:30,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:27:30,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:27:30,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:27:30,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:27:30,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:27:30,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:27:30,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:27:30,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:27:30,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:27:30,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:27:30,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:27:30,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:27:30,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:27:30,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:27:30,036 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 22:27:30,066 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:27:30,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:27:30,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:27:30,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:27:30,069 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:27:30,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:27:30,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:27:30,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:27:30,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:27:30,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:27:30,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:27:30,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:27:30,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:27:30,072 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:27:30,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:27:30,073 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:27:30,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:27:30,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:27:30,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:27:30,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:27:30,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:27:30,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:27:30,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:27:30,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:27:30,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:27:30,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:27:30,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:27:30,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:27:30,075 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:27:30,114 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:27:30,130 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:27:30,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:27:30,138 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:27:30,139 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:27:30,140 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i [2019-09-20 22:27:30,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc8da4931/a894d748934741da93b2e135e84c77f6/FLAG57bd80f21 [2019-09-20 22:27:30,825 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:27:30,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all.i [2019-09-20 22:27:30,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc8da4931/a894d748934741da93b2e135e84c77f6/FLAG57bd80f21 [2019-09-20 22:27:31,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc8da4931/a894d748934741da93b2e135e84c77f6 [2019-09-20 22:27:31,105 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:27:31,106 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:27:31,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:27:31,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:27:31,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:27:31,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:27:31" (1/1) ... [2019-09-20 22:27:31,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3a1174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:31, skipping insertion in model container [2019-09-20 22:27:31,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:27:31" (1/1) ... [2019-09-20 22:27:31,119 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:27:31,165 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:27:31,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:27:31,622 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:27:31,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:27:31,736 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:27:31,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:31 WrapperNode [2019-09-20 22:27:31,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:27:31,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:27:31,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:27:31,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:27:31,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:31" (1/1) ... [2019-09-20 22:27:31,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:31" (1/1) ... [2019-09-20 22:27:31,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:31" (1/1) ... [2019-09-20 22:27:31,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:31" (1/1) ... [2019-09-20 22:27:31,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:31" (1/1) ... [2019-09-20 22:27:31,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:31" (1/1) ... [2019-09-20 22:27:31,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:31" (1/1) ... [2019-09-20 22:27:31,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:27:31,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:27:31,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:27:31,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:27:31,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:31" (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 22:27:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:27:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:27:31,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 22:27:31,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 22:27:31,870 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 22:27:31,870 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 22:27:31,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-20 22:27:31,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-20 22:27:31,871 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2019-09-20 22:27:31,871 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2019-09-20 22:27:31,871 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:27:31,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:27:31,871 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 22:27:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 22:27:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 22:27:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 22:27:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 22:27:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 22:27:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 22:27:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 22:27:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 22:27:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 22:27:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 22:27:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 22:27:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 22:27:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 22:27:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 22:27:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 22:27:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 22:27:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 22:27:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 22:27:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 22:27:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 22:27:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 22:27:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 22:27:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 22:27:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 22:27:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 22:27:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 22:27:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 22:27:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 22:27:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 22:27:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 22:27:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 22:27:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 22:27:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 22:27:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 22:27:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 22:27:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 22:27:31,878 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 22:27:31,878 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 22:27:31,878 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 22:27:31,878 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 22:27:31,878 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 22:27:31,878 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 22:27:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 22:27:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 22:27:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 22:27:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 22:27:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 22:27:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 22:27:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 22:27:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 22:27:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 22:27:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 22:27:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 22:27:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 22:27:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 22:27:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 22:27:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 22:27:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 22:27:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 22:27:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 22:27:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 22:27:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 22:27:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 22:27:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 22:27:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 22:27:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 22:27:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 22:27:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 22:27:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 22:27:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 22:27:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 22:27:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 22:27:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 22:27:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 22:27:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 22:27:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 22:27:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 22:27:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 22:27:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 22:27:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 22:27:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 22:27:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 22:27:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 22:27:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 22:27:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 22:27:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 22:27:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 22:27:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 22:27:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 22:27:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 22:27:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 22:27:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 22:27:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 22:27:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 22:27:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 22:27:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 22:27:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 22:27:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 22:27:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 22:27:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 22:27:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 22:27:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 22:27:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 22:27:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 22:27:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 22:27:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 22:27:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 22:27:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 22:27:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:27:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-20 22:27:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-20 22:27:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 22:27:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:27:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2019-09-20 22:27:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:27:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2019-09-20 22:27:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:27:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:27:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:27:32,299 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 22:27:32,636 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:27:32,636 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 22:27:32,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:27:32 BoogieIcfgContainer [2019-09-20 22:27:32,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:27:32,639 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:27:32,639 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:27:32,639 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:27:32,640 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:27:32" (1/1) ... [2019-09-20 22:27:32,641 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-20 22:27:32,665 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:27:32,665 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:27:32,673 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:27:32,683 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:27:32,684 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:27:32,854 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-20 22:27:33,721 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 22:27:34,209 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 22:27:34,735 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:35,053 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 22:27:35,335 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 22:27:35,541 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 25 [2019-09-20 22:27:36,033 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-20 22:27:36,454 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-20 22:27:36,764 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2019-09-20 22:27:36,829 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 22:27:37,350 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 22:27:37,890 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 22:27:38,360 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:38,608 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 22:27:38,883 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 22:27:39,397 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-20 22:27:39,842 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-20 22:27:40,451 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 22:27:40,799 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 22:27:41,200 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:41,429 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 22:27:41,695 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 22:27:42,170 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-20 22:27:42,578 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-20 22:27:43,119 WARN L191 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2019-09-20 22:27:43,795 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 22:27:44,234 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 22:27:44,555 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:44,817 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 22:27:45,040 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 22:27:45,541 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-20 22:27:45,977 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-20 22:27:46,704 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 22:27:47,177 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 22:27:47,477 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:47,716 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 22:27:47,952 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 22:27:48,498 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-20 22:27:48,920 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-20 22:27:49,270 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 67 [2019-09-20 22:27:49,430 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:27:49,430 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:27:49,432 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 234#true [2019-09-20 22:27:49,441 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:27:49,441 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:27:49,442 INFO L168 Benchmark]: Toolchain (without parser) took 18336.33 ms. Allocated memory was 142.1 MB in the beginning and 336.1 MB in the end (delta: 194.0 MB). Free memory was 88.2 MB in the beginning and 269.3 MB in the end (delta: -181.1 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:49,443 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:27:49,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.51 ms. Allocated memory was 142.1 MB in the beginning and 202.9 MB in the end (delta: 60.8 MB). Free memory was 87.8 MB in the beginning and 166.7 MB in the end (delta: -78.9 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:49,444 INFO L168 Benchmark]: Boogie Preprocessor took 65.54 ms. Allocated memory is still 202.9 MB. Free memory was 166.7 MB in the beginning and 163.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:49,444 INFO L168 Benchmark]: RCFGBuilder took 833.50 ms. Allocated memory is still 202.9 MB. Free memory was 163.9 MB in the beginning and 104.6 MB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:49,444 INFO L168 Benchmark]: Sifa took 16802.57 ms. Allocated memory was 202.9 MB in the beginning and 336.1 MB in the end (delta: 133.2 MB). Free memory was 104.6 MB in the beginning and 269.3 MB in the end (delta: -164.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 22:27:49,446 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 631.51 ms. Allocated memory was 142.1 MB in the beginning and 202.9 MB in the end (delta: 60.8 MB). Free memory was 87.8 MB in the beginning and 166.7 MB in the end (delta: -78.9 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.54 ms. Allocated memory is still 202.9 MB. Free memory was 166.7 MB in the beginning and 163.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 833.50 ms. Allocated memory is still 202.9 MB. Free memory was 163.9 MB in the beginning and 104.6 MB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 7.1 GB. * Sifa took 16802.57 ms. Allocated memory was 202.9 MB in the beginning and 336.1 MB in the end (delta: 133.2 MB). Free memory was 104.6 MB in the beginning and 269.3 MB in the end (delta: -164.7 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]: 16768, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 65, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 45, TOOLS_POST_TIME[ms]: 15259, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 21, TOOLS_POST_RETURN_APPLICATIONS: 10, TOOLS_POST_RETURN_TIME[ms]: 11, TOOLS_QUANTIFIERELIM_APPLICATIONS: 66, TOOLS_QUANTIFIERELIM_TIME[ms]: 15266, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 3457, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 75, FLUID_YES_ANSWERS: 75, DOMAIN_JOIN_APPLICATIONS: 17, DOMAIN_JOIN_TIME[ms]: 1258, DOMAIN_ALPHA_APPLICATIONS: 75, DOMAIN_ALPHA_TIME[ms]: 121, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 13590, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13589, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 10, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 16602, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 16602, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 23, DAG_COMPRESSION_PROCESSED_NODES: 137, DAG_COMPRESSION_RETAINED_NODES: 74 - UnprovableResult [Line: 630]: 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 234#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...