java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:07:20,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:07:20,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:07:20,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:07:20,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:07:20,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:07:20,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:07:20,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:07:20,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:07:20,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:07:20,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:07:20,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:07:20,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:07:20,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:07:20,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:07:20,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:07:20,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:07:20,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:07:20,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:07:20,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:07:20,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:07:20,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:07:20,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:07:20,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:07:20,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:07:20,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:07:20,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:07:20,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:07:20,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:07:20,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:07:20,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:07:20,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:07:20,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:07:20,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:07:20,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:07:20,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:07:20,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:07:20,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:07:20,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:07:20,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:07:20,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:07:20,246 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 15:07:20,272 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:07:20,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:07:20,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:07:20,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:07:20,274 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:07:20,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:07:20,274 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:07:20,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:07:20,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:07:20,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:07:20,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:07:20,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:07:20,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:07:20,276 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:07:20,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:07:20,276 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:07:20,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:07:20,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:07:20,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:07:20,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:07:20,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:07:20,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:07:20,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:07:20,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:07:20,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:07:20,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:07:20,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:07:20,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:07:20,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> NONE [2019-09-20 15:07:20,310 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:07:20,325 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:07:20,331 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:07:20,332 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:07:20,332 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:07:20,333 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i [2019-09-20 15:07:20,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef487f610/a98844841d4f45acb405a97c15465ad0/FLAGb39716dc2 [2019-09-20 15:07:20,978 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:07:20,978 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all.i [2019-09-20 15:07:21,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef487f610/a98844841d4f45acb405a97c15465ad0/FLAGb39716dc2 [2019-09-20 15:07:21,298 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef487f610/a98844841d4f45acb405a97c15465ad0 [2019-09-20 15:07:21,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:07:21,310 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:07:21,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:07:21,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:07:21,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:07:21,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:07:21" (1/1) ... [2019-09-20 15:07:21,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc78f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:21, skipping insertion in model container [2019-09-20 15:07:21,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:07:21" (1/1) ... [2019-09-20 15:07:21,328 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:07:21,391 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:07:21,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:07:21,885 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:07:21,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:07:22,041 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:07:22,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:22 WrapperNode [2019-09-20 15:07:22,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:07:22,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:07:22,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:07:22,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:07:22,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:22" (1/1) ... [2019-09-20 15:07:22,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:22" (1/1) ... [2019-09-20 15:07:22,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:22" (1/1) ... [2019-09-20 15:07:22,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:22" (1/1) ... [2019-09-20 15:07:22,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:22" (1/1) ... [2019-09-20 15:07:22,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:22" (1/1) ... [2019-09-20 15:07:22,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:22" (1/1) ... [2019-09-20 15:07:22,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:07:22,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:07:22,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:07:22,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:07:22,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:22" (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 15:07:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:07:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:07:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 15:07:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 15:07:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 15:07:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 15:07:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-20 15:07:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-20 15:07:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2019-09-20 15:07:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2019-09-20 15:07:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:07:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:07:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 15:07:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 15:07:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 15:07:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 15:07:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 15:07:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 15:07:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 15:07:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 15:07:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 15:07:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 15:07:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 15:07:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 15:07:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 15:07:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 15:07:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 15:07:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 15:07:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 15:07:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 15:07:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 15:07:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 15:07:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 15:07:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 15:07:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 15:07:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 15:07:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 15:07:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 15:07:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 15:07:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 15:07:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 15:07:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 15:07:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 15:07:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 15:07:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 15:07:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 15:07:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 15:07:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 15:07:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 15:07:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 15:07:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 15:07:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 15:07:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 15:07:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 15:07:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 15:07:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 15:07:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 15:07:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 15:07:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 15:07:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 15:07:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 15:07:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 15:07:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 15:07:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 15:07:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:07:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 15:07:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 15:07:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:07:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 15:07:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 15:07:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 15:07:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 15:07:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 15:07:22,220 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 15:07:22,220 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 15:07:22,220 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 15:07:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 15:07:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 15:07:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 15:07:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 15:07:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 15:07:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 15:07:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 15:07:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 15:07:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 15:07:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 15:07:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 15:07:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 15:07:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 15:07:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 15:07:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 15:07:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 15:07:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 15:07:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 15:07:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 15:07:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 15:07:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 15:07:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 15:07:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 15:07:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 15:07:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 15:07:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 15:07:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 15:07:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 15:07:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 15:07:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 15:07:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 15:07:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 15:07:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 15:07:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 15:07:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 15:07:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 15:07:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 15:07:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 15:07:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 15:07:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 15:07:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 15:07:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 15:07:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 15:07:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:07:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:07:22,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:07:22,231 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-20 15:07:22,231 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-20 15:07:22,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:07:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:07:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2019-09-20 15:07:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:07:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2019-09-20 15:07:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:07:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:07:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:07:22,679 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 15:07:22,942 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:07:22,942 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 15:07:22,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:07:22 BoogieIcfgContainer [2019-09-20 15:07:22,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:07:22,944 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:07:22,945 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:07:22,945 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:07:22,946 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:07:22" (1/1) ... [2019-09-20 15:07:22,947 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:07:22,967 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:07:22,968 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:07:22,974 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:07:22,983 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:07:22,984 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:07:23,088 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 15:07:23,198 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 15:07:23,595 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 15:07:23,766 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 15:07:24,005 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 15:07:24,017 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 15:07:24,111 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 15:07:25,328 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 15:07:25,554 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:07:25,554 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:07:25,556 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 170#(exists ((v_dll_get_data_at_~head.base_BEFORE_RETURN_5 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_5 Int)) (and (not (= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) main_~expected~0)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (< main_~i~0 main_~len~0) (<= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) 2147483647) (<= 0 (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) 2147483648)))) [2019-09-20 15:07:25,571 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:07:25,571 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:07:25,573 INFO L168 Benchmark]: Toolchain (without parser) took 4263.08 ms. Allocated memory was 136.3 MB in the beginning and 275.8 MB in the end (delta: 139.5 MB). Free memory was 83.5 MB in the beginning and 193.0 MB in the end (delta: -109.5 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:07:25,578 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory was 103.0 MB in the beginning and 102.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:07:25,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.10 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 83.0 MB in the beginning and 158.8 MB in the end (delta: -75.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:07:25,582 INFO L168 Benchmark]: Boogie Preprocessor took 94.35 ms. Allocated memory is still 197.1 MB. Free memory was 158.8 MB in the beginning and 155.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:07:25,583 INFO L168 Benchmark]: RCFGBuilder took 806.99 ms. Allocated memory is still 197.1 MB. Free memory was 155.5 MB in the beginning and 95.3 MB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:07:25,585 INFO L168 Benchmark]: Sifa took 2626.84 ms. Allocated memory was 197.1 MB in the beginning and 275.8 MB in the end (delta: 78.6 MB). Free memory was 95.3 MB in the beginning and 193.0 MB in the end (delta: -97.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:07:25,591 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory was 103.0 MB in the beginning and 102.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 731.10 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 83.0 MB in the beginning and 158.8 MB in the end (delta: -75.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.35 ms. Allocated memory is still 197.1 MB. Free memory was 158.8 MB in the beginning and 155.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 806.99 ms. Allocated memory is still 197.1 MB. Free memory was 155.5 MB in the beginning and 95.3 MB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. * Sifa took 2626.84 ms. Allocated memory was 197.1 MB in the beginning and 275.8 MB in the end (delta: 78.6 MB). Free memory was 95.3 MB in the beginning and 193.0 MB in the end (delta: -97.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 2589, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 82, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 60, TOOLS_POST_TIME[ms]: 2336, TOOLS_POST_CALL_APPLICATIONS: 13, TOOLS_POST_CALL_TIME[ms]: 74, TOOLS_POST_RETURN_APPLICATIONS: 12, TOOLS_POST_RETURN_TIME[ms]: 27, TOOLS_QUANTIFIERELIM_APPLICATIONS: 75, TOOLS_QUANTIFIERELIM_TIME[ms]: 2391, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1322, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 100, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 25, DOMAIN_JOIN_TIME[ms]: 6, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME[ms]: 6, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 50, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2374, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2373, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 12, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 2349, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2349, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 137, DAG_COMPRESSION_RETAINED_NODES: 74 - UnprovableResult [Line: 630]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 170#(exists ((v_dll_get_data_at_~head.base_BEFORE_RETURN_5 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_5 Int)) (and (not (= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) main_~expected~0)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (< main_~i~0 main_~len~0) (<= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) 2147483647) (<= 0 (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) 2147483648)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...