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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2c_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:28:29,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:28:29,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:28:29,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:28:29,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:28:29,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:28:29,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:28:29,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:28:29,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:28:29,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:28:29,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:28:29,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:28:29,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:28:29,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:28:29,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:28:29,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:28:29,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:28:29,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:28:29,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:28:29,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:28:29,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:28:29,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:28:29,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:28:29,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:28:29,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:28:29,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:28:29,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:28:29,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:28:29,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:28:29,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:28:29,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:28:29,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:28:29,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:28:29,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:28:29,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:28:29,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:28:29,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:28:29,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:28:29,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:28:29,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:28:29,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:28:29,305 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 19:28:29,328 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:28:29,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:28:29,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:28:29,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:28:29,330 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:28:29,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:28:29,331 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:28:29,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:28:29,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:28:29,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:28:29,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:28:29,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:28:29,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:28:29,333 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:28:29,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:28:29,334 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:28:29,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:28:29,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:28:29,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:28:29,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:28:29,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:28:29,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:28:29,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:28:29,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:28:29,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:28:29,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:28:29,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:28:29,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:28:29,336 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 19:28:29,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:28:29,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:28:29,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:28:29,410 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:28:29,411 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:28:29,411 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_update_all.i [2019-09-20 19:28:29,485 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f18a9142e/b8179058b02f4ae69460b9ca552b4f1a/FLAGc721388fc [2019-09-20 19:28:30,040 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:28:30,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_update_all.i [2019-09-20 19:28:30,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f18a9142e/b8179058b02f4ae69460b9ca552b4f1a/FLAGc721388fc [2019-09-20 19:28:30,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f18a9142e/b8179058b02f4ae69460b9ca552b4f1a [2019-09-20 19:28:30,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:28:30,353 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:28:30,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:28:30,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:28:30,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:28:30,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:28:30" (1/1) ... [2019-09-20 19:28:30,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b30aab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:28:30, skipping insertion in model container [2019-09-20 19:28:30,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:28:30" (1/1) ... [2019-09-20 19:28:30,371 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:28:30,435 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:28:30,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:28:30,914 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:28:30,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:28:31,028 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:28:31,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:28:31 WrapperNode [2019-09-20 19:28:31,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:28:31,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:28:31,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:28:31,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:28:31,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:28:31" (1/1) ... [2019-09-20 19:28:31,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:28:31" (1/1) ... [2019-09-20 19:28:31,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:28:31" (1/1) ... [2019-09-20 19:28:31,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:28:31" (1/1) ... [2019-09-20 19:28:31,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:28:31" (1/1) ... [2019-09-20 19:28:31,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:28:31" (1/1) ... [2019-09-20 19:28:31,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:28:31" (1/1) ... [2019-09-20 19:28:31,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:28:31,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:28:31,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:28:31,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:28:31,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:28:31" (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 19:28:31,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:28:31,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:28:31,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 19:28:31,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 19:28:31,156 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 19:28:31,157 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 19:28:31,157 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-20 19:28:31,157 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2019-09-20 19:28:31,157 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_get_data_at [2019-09-20 19:28:31,157 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_update_at [2019-09-20 19:28:31,157 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:28:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:28:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 19:28:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 19:28:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 19:28:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 19:28:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 19:28:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 19:28:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 19:28:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 19:28:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 19:28:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 19:28:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 19:28:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 19:28:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 19:28:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 19:28:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 19:28:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 19:28:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 19:28:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 19:28:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 19:28:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 19:28:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 19:28:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 19:28:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 19:28:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 19:28:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 19:28:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 19:28:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 19:28:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 19:28:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 19:28:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 19:28:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 19:28:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 19:28:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 19:28:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 19:28:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 19:28:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 19:28:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 19:28:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 19:28:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 19:28:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 19:28:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 19:28:31,165 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 19:28:31,165 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 19:28:31,165 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 19:28:31,165 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 19:28:31,165 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 19:28:31,165 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 19:28:31,166 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 19:28:31,166 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 19:28:31,166 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 19:28:31,166 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 19:28:31,166 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 19:28:31,166 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:28:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 19:28:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 19:28:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:28:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 19:28:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 19:28:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 19:28:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 19:28:31,168 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 19:28:31,168 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 19:28:31,168 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 19:28:31,168 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 19:28:31,168 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 19:28:31,168 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 19:28:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 19:28:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 19:28:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 19:28:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 19:28:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 19:28:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 19:28:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 19:28:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 19:28:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 19:28:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 19:28:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 19:28:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 19:28:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 19:28:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 19:28:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 19:28:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 19:28:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 19:28:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 19:28:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 19:28:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 19:28:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 19:28:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 19:28:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 19:28:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 19:28:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 19:28:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 19:28:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 19:28:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 19:28:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 19:28:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 19:28:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 19:28:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 19:28:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 19:28:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 19:28:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 19:28:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 19:28:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 19:28:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 19:28:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 19:28:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 19:28:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 19:28:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:28:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:28:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:28:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-20 19:28:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2019-09-20 19:28:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:28:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:28:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_get_data_at [2019-09-20 19:28:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:28:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_update_at [2019-09-20 19:28:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:28:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:28:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:28:31,696 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 19:28:31,882 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:28:31,882 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 19:28:31,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:28:31 BoogieIcfgContainer [2019-09-20 19:28:31,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:28:31,884 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:28:31,884 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:28:31,885 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:28:31,886 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:28:31" (1/1) ... [2019-09-20 19:28:31,886 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 19:28:31,914 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:28:31,915 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:28:31,926 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:28:31,936 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:28:31,938 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:28:32,096 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 19:28:32,223 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 19:28:33,950 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-20 19:28:34,098 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-20 19:28:34,806 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2019-09-20 19:28:35,088 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 19:28:35,337 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 19:28:35,557 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:28:35,932 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-20 19:28:36,428 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-09-20 19:28:36,619 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-20 19:28:37,203 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 19:28:37,364 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 19:28:38,554 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 124 DAG size of output: 123 [2019-09-20 19:28:39,070 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 19:28:39,583 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 19:28:40,066 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 19:28:40,533 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 19:28:40,978 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 19:28:41,376 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 19:28:41,747 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 19:28:42,328 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-09-20 19:28:42,368 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:28:42,526 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 19:28:42,775 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 19:28:42,959 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 19:28:43,127 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 19:28:43,347 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 19:28:43,769 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-20 19:28:44,192 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-20 19:28:44,369 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 19:28:44,544 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 19:28:44,896 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-20 19:28:45,067 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 19:28:45,433 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-20 19:28:45,621 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 19:28:46,345 WARN L191 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-09-20 19:28:47,036 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-09-20 19:28:47,316 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-09-20 19:28:48,330 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-20 19:28:48,526 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-20 19:28:49,060 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-20 19:28:49,144 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:28:49,257 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-20 19:28:49,334 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:28:49,530 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 44 [2019-09-20 19:28:49,724 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:28:50,024 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-20 19:28:50,051 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:28:50,819 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-20 19:28:51,083 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 19:28:51,083 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 19:28:51,085 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 332#(exists ((v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_3 Int) (v_prenex_11 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_3 Int) (v_prenex_10 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1 Int)) (or (and (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= main_~new_data~0 (+ main_~len~0 1)) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_3) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_3 8)) 2147483648)) (= main_~s~0.offset 0) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_3) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_3 8)) 2147483647) (= |#NULL.offset| 0) (not (= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_3) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_3 8)) main_~expected~0)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= main_~len~0 2) (= main_~i~0 0)) (and (<= 0 (+ (select (select |#memory_int| v_prenex_11) (+ v_prenex_10 8)) 2147483648)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8)) 1)) (<= (select (select |#memory_int| v_prenex_11) (+ v_prenex_10 8)) 2147483647) (= main_~i~0 1) (= main_~s~0.offset 0) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (not (= (select (select |#memory_int| v_prenex_11) (+ v_prenex_10 8)) main_~expected~0)) (= main_~new_data~0 (+ main_~len~0 1)) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8)) 2147483647) (< main_~i~0 (+ main_~len~0 1)) (= |#NULL.offset| 0) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8)) 2147483648)) (= main_~len~0 2)))) [2019-09-20 19:28:51,101 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 19:28:51,101 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 19:28:51,103 INFO L168 Benchmark]: Toolchain (without parser) took 20750.54 ms. Allocated memory was 136.3 MB in the beginning and 426.2 MB in the end (delta: 289.9 MB). Free memory was 86.4 MB in the beginning and 204.3 MB in the end (delta: -117.8 MB). Peak memory consumption was 172.1 MB. Max. memory is 7.1 GB. [2019-09-20 19:28:51,104 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 136.3 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 19:28:51,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.27 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 86.2 MB in the beginning and 165.4 MB in the end (delta: -79.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2019-09-20 19:28:51,105 INFO L168 Benchmark]: Boogie Preprocessor took 62.89 ms. Allocated memory is still 201.3 MB. Free memory was 164.9 MB in the beginning and 162.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-09-20 19:28:51,107 INFO L168 Benchmark]: RCFGBuilder took 791.33 ms. Allocated memory is still 201.3 MB. Free memory was 162.0 MB in the beginning and 107.7 MB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 7.1 GB. [2019-09-20 19:28:51,108 INFO L168 Benchmark]: Sifa took 19217.04 ms. Allocated memory was 201.3 MB in the beginning and 426.2 MB in the end (delta: 224.9 MB). Free memory was 107.7 MB in the beginning and 204.3 MB in the end (delta: -96.6 MB). Peak memory consumption was 128.4 MB. Max. memory is 7.1 GB. [2019-09-20 19:28:51,110 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 136.3 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.27 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 86.2 MB in the beginning and 165.4 MB in the end (delta: -79.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.89 ms. Allocated memory is still 201.3 MB. Free memory was 164.9 MB in the beginning and 162.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 791.33 ms. Allocated memory is still 201.3 MB. Free memory was 162.0 MB in the beginning and 107.7 MB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 7.1 GB. * Sifa took 19217.04 ms. Allocated memory was 201.3 MB in the beginning and 426.2 MB in the end (delta: 224.9 MB). Free memory was 107.7 MB in the beginning and 204.3 MB in the end (delta: -96.6 MB). Peak memory consumption was 128.4 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]: 19171, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 217, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 194, TOOLS_POST_TIME[ms]: 5040, TOOLS_POST_CALL_APPLICATIONS: 15, TOOLS_POST_CALL_TIME[ms]: 114, TOOLS_POST_RETURN_APPLICATIONS: 14, TOOLS_POST_RETURN_TIME[ms]: 7979, TOOLS_QUANTIFIERELIM_APPLICATIONS: 223, TOOLS_QUANTIFIERELIM_TIME[ms]: 13060, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 5144, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 231, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 40, DOMAIN_JOIN_TIME[ms]: 3986, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME[ms]: 1849, DOMAIN_ISSUBSETEQ_APPLICATIONS: 14, DOMAIN_ISSUBSETEQ_TIME[ms]: 26, DOMAIN_ISBOTTOM_APPLICATIONS: 13, DOMAIN_ISBOTTOM_TIME[ms]: 24, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 15143, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 15142, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 14, CALL_SUMMARIZER_APPLICATIONS: 14, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 17680, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 17679, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 346, DAG_COMPRESSION_RETAINED_NODES: 193 - UnprovableResult [Line: 632]: 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 332#(exists ((v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_3 Int) (v_prenex_11 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_3 Int) (v_prenex_10 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1 Int)) (or (and (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= main_~new_data~0 (+ main_~len~0 1)) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_3) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_3 8)) 2147483648)) (= main_~s~0.offset 0) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_3) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_3 8)) 2147483647) (= |#NULL.offset| 0) (not (= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_3) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_3 8)) main_~expected~0)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= main_~len~0 2) (= main_~i~0 0)) (and (<= 0 (+ (select (select |#memory_int| v_prenex_11) (+ v_prenex_10 8)) 2147483648)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8)) 1)) (<= (select (select |#memory_int| v_prenex_11) (+ v_prenex_10 8)) 2147483647) (= main_~i~0 1) (= main_~s~0.offset 0) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (not (= (select (select |#memory_int| v_prenex_11) (+ v_prenex_10 8)) main_~expected~0)) (= main_~new_data~0 (+ main_~len~0 1)) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8)) 2147483647) (< main_~i~0 (+ main_~len~0 1)) (= |#NULL.offset| 0) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8)) 2147483648)) (= main_~len~0 2)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...