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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:24:19,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:24:19,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:24:19,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:24:19,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:24:19,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:24:19,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:24:19,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:24:19,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:24:19,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:24:19,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:24:20,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:24:20,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:24:20,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:24:20,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:24:20,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:24:20,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:24:20,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:24:20,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:24:20,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:24:20,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:24:20,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:24:20,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:24:20,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:24:20,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:24:20,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:24:20,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:24:20,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:24:20,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:24:20,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:24:20,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:24:20,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:24:20,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:24:20,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:24:20,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:24:20,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:24:20,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:24:20,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:24:20,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:24:20,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:24:20,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:24:20,055 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 20:24:20,079 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:24:20,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:24:20,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:24:20,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:24:20,083 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:24:20,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:24:20,083 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:24:20,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:24:20,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:24:20,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:24:20,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:24:20,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:24:20,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:24:20,086 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:24:20,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:24:20,087 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:24:20,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:24:20,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:24:20,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:24:20,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:24:20,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:24:20,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:24:20,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:24:20,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:24:20,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:24:20,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:24:20,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:24:20,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:24:20,089 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 -> ReUseSupersetCallSummarizer 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 20:24:20,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:24:20,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:24:20,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:24:20,143 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:24:20,143 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:24:20,144 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-09-20 20:24:20,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c01ee4de/7e61585d6b8247d58a74732fb60f016d/FLAGc7c784376 [2019-09-20 20:24:20,777 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:24:20,778 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-09-20 20:24:20,802 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c01ee4de/7e61585d6b8247d58a74732fb60f016d/FLAGc7c784376 [2019-09-20 20:24:20,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c01ee4de/7e61585d6b8247d58a74732fb60f016d [2019-09-20 20:24:21,010 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:24:21,014 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:24:21,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:24:21,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:24:21,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:24:21,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:24:20" (1/1) ... [2019-09-20 20:24:21,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d96912c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:21, skipping insertion in model container [2019-09-20 20:24:21,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:24:20" (1/1) ... [2019-09-20 20:24:21,031 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:24:21,089 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:24:21,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:24:21,551 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:24:21,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:24:21,666 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:24:21,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:21 WrapperNode [2019-09-20 20:24:21,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:24:21,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:24:21,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:24:21,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:24:21,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:21" (1/1) ... [2019-09-20 20:24:21,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:21" (1/1) ... [2019-09-20 20:24:21,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:21" (1/1) ... [2019-09-20 20:24:21,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:21" (1/1) ... [2019-09-20 20:24:21,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:21" (1/1) ... [2019-09-20 20:24:21,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:21" (1/1) ... [2019-09-20 20:24:21,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:21" (1/1) ... [2019-09-20 20:24:21,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:24:21,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:24:21,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:24:21,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:24:21,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:21" (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 20:24:21,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:24:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:24:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 20:24:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 20:24:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 20:24:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 20:24:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-20 20:24:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-20 20:24:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2019-09-20 20:24:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2019-09-20 20:24:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:24:21,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:24:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 20:24:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 20:24:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 20:24:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 20:24:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 20:24:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 20:24:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 20:24:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 20:24:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 20:24:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 20:24:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 20:24:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 20:24:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 20:24:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 20:24:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 20:24:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 20:24:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 20:24:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 20:24:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 20:24:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 20:24:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 20:24:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 20:24:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 20:24:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 20:24:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 20:24:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 20:24:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 20:24:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 20:24:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 20:24:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 20:24:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 20:24:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 20:24:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 20:24:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 20:24:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 20:24:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 20:24:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 20:24:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 20:24:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 20:24:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 20:24:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 20:24:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 20:24:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 20:24:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 20:24:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 20:24:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 20:24:21,844 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 20:24:21,844 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 20:24:21,844 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 20:24:21,845 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 20:24:21,845 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 20:24:21,845 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 20:24:21,845 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 20:24:21,845 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 20:24:21,845 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 20:24:21,845 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 20:24:21,846 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 20:24:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 20:24:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 20:24:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 20:24:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 20:24:21,848 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 20:24:21,848 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 20:24:21,849 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 20:24:21,849 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 20:24:21,849 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 20:24:21,849 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 20:24:21,850 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 20:24:21,850 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 20:24:21,850 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 20:24:21,851 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 20:24:21,851 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 20:24:21,851 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 20:24:21,852 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 20:24:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 20:24:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 20:24:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 20:24:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 20:24:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 20:24:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 20:24:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 20:24:21,854 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 20:24:21,854 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 20:24:21,854 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 20:24:21,854 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 20:24:21,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 20:24:21,854 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 20:24:21,854 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 20:24:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 20:24:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 20:24:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 20:24:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 20:24:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 20:24:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 20:24:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 20:24:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 20:24:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 20:24:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 20:24:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 20:24:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 20:24:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 20:24:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 20:24:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 20:24:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 20:24:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 20:24:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 20:24:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 20:24:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 20:24:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 20:24:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 20:24:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-20 20:24:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-20 20:24:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 20:24:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 20:24:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2019-09-20 20:24:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 20:24:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2019-09-20 20:24:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:24:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:24:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:24:22,289 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 20:24:22,627 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:24:22,627 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 20:24:22,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:24:22 BoogieIcfgContainer [2019-09-20 20:24:22,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:24:22,630 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:24:22,630 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:24:22,630 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:24:22,632 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:24:22" (1/1) ... [2019-09-20 20:24:22,632 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:24:22,657 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:24:22,658 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:24:22,666 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:24:22,675 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:24:22,677 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:24:22,830 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 20:24:23,592 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2019-09-20 20:24:23,739 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 20:24:23,859 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 20:24:29,470 WARN L191 SmtUtils]: Spent 5.30 s on a formula simplification. DAG size of input: 178 DAG size of output: 161 [2019-09-20 20:24:31,935 WARN L191 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 158 [2019-09-20 20:24:34,842 WARN L191 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 155 [2019-09-20 20:24:36,842 WARN L191 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 150 [2019-09-20 20:24:38,735 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 148 [2019-09-20 20:24:40,962 WARN L191 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 175 [2019-09-20 20:24:41,068 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 20:24:41,083 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 20:24:41,173 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 20:24:43,912 WARN L191 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2019-09-20 20:24:45,378 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 20:24:46,216 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 20:24:46,763 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 20:24:47,267 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 20:24:48,017 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-20 20:24:48,581 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-20 20:24:48,967 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2019-09-20 20:24:49,036 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 20:24:49,264 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-20 20:24:49,462 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2019-09-20 20:24:49,601 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2019-09-20 20:24:49,885 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 20:24:50,121 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-20 20:24:50,345 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-09-20 20:24:50,607 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-20 20:24:51,052 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2019-09-20 20:24:51,094 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 20:24:51,287 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 20:24:51,287 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 20:24:51,289 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 148#false [2019-09-20 20:24:51,296 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-20 20:24:51,298 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 20:24:51,302 INFO L168 Benchmark]: Toolchain (without parser) took 30288.16 ms. Allocated memory was 134.7 MB in the beginning and 316.1 MB in the end (delta: 181.4 MB). Free memory was 89.8 MB in the beginning and 241.1 MB in the end (delta: -151.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2019-09-20 20:24:51,303 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 20:24:51,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.08 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 89.6 MB in the beginning and 162.3 MB in the end (delta: -72.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-20 20:24:51,309 INFO L168 Benchmark]: Boogie Preprocessor took 104.44 ms. Allocated memory is still 201.3 MB. Free memory was 162.3 MB in the beginning and 159.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-20 20:24:51,310 INFO L168 Benchmark]: RCFGBuilder took 853.50 ms. Allocated memory is still 201.3 MB. Free memory was 159.2 MB in the beginning and 99.7 MB in the end (delta: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 7.1 GB. [2019-09-20 20:24:51,310 INFO L168 Benchmark]: Sifa took 28668.86 ms. Allocated memory was 201.3 MB in the beginning and 316.1 MB in the end (delta: 114.8 MB). Free memory was 99.7 MB in the beginning and 241.1 MB in the end (delta: -141.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 20:24:51,314 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 652.08 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 89.6 MB in the beginning and 162.3 MB in the end (delta: -72.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.44 ms. Allocated memory is still 201.3 MB. Free memory was 162.3 MB in the beginning and 159.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 853.50 ms. Allocated memory is still 201.3 MB. Free memory was 159.2 MB in the beginning and 99.7 MB in the end (delta: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 7.1 GB. * Sifa took 28668.86 ms. Allocated memory was 201.3 MB in the beginning and 316.1 MB in the end (delta: 114.8 MB). Free memory was 99.7 MB in the beginning and 241.1 MB in the end (delta: -141.4 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]: 28631, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 79, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 57, TOOLS_POST_TIME[ms]: 23429, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 38, TOOLS_POST_RETURN_APPLICATIONS: 10, TOOLS_POST_RETURN_TIME[ms]: 980, TOOLS_QUANTIFIERELIM_APPLICATIONS: 58, TOOLS_QUANTIFIERELIM_TIME[ms]: 24408, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14697, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 94, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 24, DOMAIN_JOIN_TIME[ms]: 1398, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 2634, DOMAIN_ISSUBSETEQ_APPLICATIONS: 21, DOMAIN_ISSUBSETEQ_TIME[ms]: 41, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 8, LOOP_SUMMARIZER_APPLICATIONS: 11, LOOP_SUMMARIZER_CACHE_MISSES: 11, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 27804, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 27803, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 10, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 27176, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 137, DAG_COMPRESSION_RETAINED_NODES: 74 - PositiveResult [Line: 630]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...