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/sll2n_prepend_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 21:45:34,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 21:45:34,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 21:45:34,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 21:45:34,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 21:45:34,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 21:45:34,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 21:45:34,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 21:45:34,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 21:45:34,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 21:45:34,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 21:45:34,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 21:45:34,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 21:45:34,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 21:45:34,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 21:45:34,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 21:45:34,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 21:45:34,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 21:45:34,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 21:45:34,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 21:45:34,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 21:45:34,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 21:45:34,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 21:45:34,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 21:45:34,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 21:45:34,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 21:45:34,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 21:45:34,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 21:45:34,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 21:45:34,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 21:45:34,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 21:45:34,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 21:45:34,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 21:45:34,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 21:45:34,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 21:45:34,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 21:45:34,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 21:45:34,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 21:45:34,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 21:45:34,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 21:45:34,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 21:45:34,278 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 [2019-09-18 21:45:34,293 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 21:45:34,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 21:45:34,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 21:45:34,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 21:45:34,295 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 21:45:34,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 21:45:34,295 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 21:45:34,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 21:45:34,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 21:45:34,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 21:45:34,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 21:45:34,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 21:45:34,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 21:45:34,296 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 21:45:34,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 21:45:34,297 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 21:45:34,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 21:45:34,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 21:45:34,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 21:45:34,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 21:45:34,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 21:45:34,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 21:45:34,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 21:45:34,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 21:45:34,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 21:45:34,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 21:45:34,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 21:45:34,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 21:45:34,300 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 [2019-09-18 21:45:34,331 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 21:45:34,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 21:45:34,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 21:45:34,349 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 21:45:34,350 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 21:45:34,350 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_prepend_equal.i [2019-09-18 21:45:34,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37f56398f/bde9d56fa43942868a8038be64916017/FLAG240eb472b [2019-09-18 21:45:34,924 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 21:45:34,925 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_prepend_equal.i [2019-09-18 21:45:34,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37f56398f/bde9d56fa43942868a8038be64916017/FLAG240eb472b [2019-09-18 21:45:35,278 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37f56398f/bde9d56fa43942868a8038be64916017 [2019-09-18 21:45:35,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 21:45:35,291 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 21:45:35,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 21:45:35,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 21:45:35,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 21:45:35,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:45:35" (1/1) ... [2019-09-18 21:45:35,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf4b5f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:45:35, skipping insertion in model container [2019-09-18 21:45:35,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:45:35" (1/1) ... [2019-09-18 21:45:35,305 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 21:45:35,353 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 21:45:35,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:45:35,824 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 21:45:35,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:45:35,933 INFO L192 MainTranslator]: Completed translation [2019-09-18 21:45:35,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:45:35 WrapperNode [2019-09-18 21:45:35,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 21:45:35,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 21:45:35,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 21:45:35,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 21:45:35,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:45:35" (1/1) ... [2019-09-18 21:45:35,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:45:35" (1/1) ... [2019-09-18 21:45:35,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:45:35" (1/1) ... [2019-09-18 21:45:35,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:45:35" (1/1) ... [2019-09-18 21:45:35,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:45:35" (1/1) ... [2019-09-18 21:45:35,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:45:35" (1/1) ... [2019-09-18 21:45:35,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:45:35" (1/1) ... [2019-09-18 21:45:36,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 21:45:36,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 21:45:36,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 21:45:36,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 21:45:36,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:45:35" (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 [2019-09-18 21:45:36,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 21:45:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 21:45:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-18 21:45:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-18 21:45:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-18 21:45:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-18 21:45:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-09-18 21:45:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-09-18 21:45:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_prepend [2019-09-18 21:45:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 21:45:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 21:45:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-18 21:45:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-18 21:45:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-18 21:45:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-18 21:45:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-18 21:45:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-18 21:45:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-18 21:45:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-18 21:45:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-18 21:45:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-18 21:45:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-18 21:45:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-18 21:45:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-18 21:45:36,082 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-18 21:45:36,082 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-18 21:45:36,082 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-18 21:45:36,082 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-18 21:45:36,082 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-18 21:45:36,082 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-18 21:45:36,083 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-18 21:45:36,083 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-18 21:45:36,083 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-18 21:45:36,083 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-18 21:45:36,083 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-18 21:45:36,083 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-18 21:45:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-18 21:45:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-18 21:45:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-18 21:45:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-18 21:45:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-18 21:45:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-18 21:45:36,085 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-18 21:45:36,085 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-18 21:45:36,085 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-18 21:45:36,085 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-18 21:45:36,085 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-18 21:45:36,085 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-18 21:45:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-18 21:45:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-18 21:45:36,088 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-18 21:45:36,088 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-18 21:45:36,088 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-18 21:45:36,089 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-18 21:45:36,090 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-18 21:45:36,090 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-18 21:45:36,091 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-18 21:45:36,091 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-18 21:45:36,091 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-18 21:45:36,092 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-18 21:45:36,093 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-18 21:45:36,093 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-18 21:45:36,093 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-18 21:45:36,093 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 21:45:36,093 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-18 21:45:36,094 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-18 21:45:36,094 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 21:45:36,094 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-18 21:45:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-18 21:45:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-18 21:45:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-18 21:45:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-18 21:45:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-18 21:45:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-18 21:45:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-18 21:45:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-18 21:45:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-18 21:45:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-18 21:45:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-18 21:45:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-18 21:45:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-18 21:45:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-18 21:45:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-18 21:45:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-18 21:45:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-18 21:45:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-18 21:45:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-18 21:45:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-18 21:45:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-18 21:45:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-18 21:45:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-18 21:45:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-18 21:45:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-18 21:45:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-18 21:45:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-18 21:45:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-18 21:45:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-18 21:45:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-18 21:45:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-18 21:45:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-18 21:45:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-18 21:45:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-18 21:45:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-18 21:45:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-18 21:45:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-18 21:45:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-18 21:45:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-18 21:45:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-18 21:45:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-18 21:45:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-18 21:45:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-18 21:45:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-18 21:45:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-18 21:45:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-18 21:45:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-18 21:45:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-18 21:45:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-18 21:45:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-18 21:45:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 21:45:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 21:45:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 21:45:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-09-18 21:45:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-09-18 21:45:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 21:45:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 21:45:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure sll_prepend [2019-09-18 21:45:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 21:45:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 21:45:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-18 21:45:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 21:45:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 21:45:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 21:45:36,472 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-18 21:45:36,758 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 21:45:36,759 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-18 21:45:36,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:45:36 BoogieIcfgContainer [2019-09-18 21:45:36,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 21:45:36,761 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 21:45:36,761 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 21:45:36,762 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 21:45:36,763 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:45:36" (1/1) ... [2019-09-18 21:45:36,764 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 [2019-09-18 21:45:36,788 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 21:45:36,788 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 21:45:36,799 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 21:45:36,808 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 21:45:36,809 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 21:45:36,963 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-18 21:45:37,244 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-18 21:45:37,820 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2019-09-18 21:45:37,959 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 21:45:38,542 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2019-09-18 21:45:38,934 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-18 21:45:39,088 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 21:45:39,230 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-18 21:45:39,363 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 21:45:41,856 WARN L191 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 157 DAG size of output: 153 [2019-09-18 21:45:43,281 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 162 [2019-09-18 21:45:44,904 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 21:45:47,223 WARN L191 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 184 [2019-09-18 21:45:48,077 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-18 21:45:48,221 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-18 21:45:48,362 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 21:45:48,626 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-18 21:45:49,037 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-18 21:45:49,234 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 21:45:49,366 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 21:45:49,759 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-18 21:45:49,948 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-18 21:45:50,458 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2019-09-18 21:45:50,680 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-18 21:45:51,299 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2019-09-18 21:45:51,583 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-18 21:45:52,316 WARN L191 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 109 [2019-09-18 21:45:52,442 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 21:45:52,442 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 21:45:52,445 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 107#(or (and (or (not (= main_~ptr~0.offset 0)) (not (= 0 main_~ptr~0.base))) (= main_~temp~2.base (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~temp~2.offset)) (and (= 0 main_~ptr~0.base) (not (= main_~count~0 (+ main_~len~0 1))) (= main_~ptr~0.offset 0))) [2019-09-18 21:45:52,458 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 21:45:52,458 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 21:45:52,460 INFO L168 Benchmark]: Toolchain (without parser) took 17169.11 ms. Allocated memory was 131.6 MB in the beginning and 369.1 MB in the end (delta: 237.5 MB). Free memory was 86.1 MB in the beginning and 248.9 MB in the end (delta: -162.8 MB). Peak memory consumption was 74.7 MB. Max. memory is 7.1 GB. [2019-09-18 21:45:52,460 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 106.0 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 21:45:52,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.44 ms. Allocated memory was 131.6 MB in the beginning and 197.1 MB in the end (delta: 65.5 MB). Free memory was 85.9 MB in the beginning and 157.5 MB in the end (delta: -71.5 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-09-18 21:45:52,462 INFO L168 Benchmark]: Boogie Preprocessor took 68.67 ms. Allocated memory is still 197.1 MB. Free memory was 157.5 MB in the beginning and 154.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-18 21:45:52,462 INFO L168 Benchmark]: RCFGBuilder took 751.19 ms. Allocated memory is still 197.1 MB. Free memory was 154.9 MB in the beginning and 103.5 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 7.1 GB. [2019-09-18 21:45:52,463 INFO L168 Benchmark]: Sifa took 15697.25 ms. Allocated memory was 197.1 MB in the beginning and 369.1 MB in the end (delta: 172.0 MB). Free memory was 103.5 MB in the beginning and 248.9 MB in the end (delta: -145.4 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-18 21:45:52,467 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 106.0 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 642.44 ms. Allocated memory was 131.6 MB in the beginning and 197.1 MB in the end (delta: 65.5 MB). Free memory was 85.9 MB in the beginning and 157.5 MB in the end (delta: -71.5 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.67 ms. Allocated memory is still 197.1 MB. Free memory was 157.5 MB in the beginning and 154.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 751.19 ms. Allocated memory is still 197.1 MB. Free memory was 154.9 MB in the beginning and 103.5 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 7.1 GB. * Sifa took 15697.25 ms. Allocated memory was 197.1 MB in the beginning and 369.1 MB in the end (delta: 172.0 MB). Free memory was 103.5 MB in the beginning and 248.9 MB in the end (delta: -145.4 MB). Peak memory consumption was 26.6 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]: 15658, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 47, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 35, TOOLS_POST_TIME[ms]: 4410, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME[ms]: 1631, TOOLS_POST_RETURN_APPLICATIONS: 9, TOOLS_POST_RETURN_TIME[ms]: 3305, TOOLS_QUANTIFIERELIM_APPLICATIONS: 54, TOOLS_QUANTIFIERELIM_TIME[ms]: 9308, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 3046, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 54, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 16, DOMAIN_JOIN_TIME[ms]: 2096, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 3991, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 115, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 7, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 14029, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 14029, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 9, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11159, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 88, DAG_COMPRESSION_RETAINED_NODES: 49 - UnprovableResult [Line: 613]: 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 107#(or (and (or (not (= main_~ptr~0.offset 0)) (not (= 0 main_~ptr~0.base))) (= main_~temp~2.base (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~temp~2.offset)) (and (= 0 main_~ptr~0.base) (not (= main_~count~0 (+ main_~len~0 1))) (= main_~ptr~0.offset 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...