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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/forester-heap/dll-circular-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 17:20:23,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 17:20:23,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 17:20:23,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 17:20:23,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 17:20:23,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 17:20:23,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 17:20:23,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 17:20:23,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 17:20:23,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 17:20:23,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 17:20:23,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 17:20:23,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 17:20:23,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 17:20:23,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 17:20:23,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 17:20:23,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 17:20:23,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 17:20:23,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 17:20:23,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 17:20:23,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 17:20:23,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 17:20:23,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 17:20:23,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 17:20:23,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 17:20:23,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 17:20:23,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 17:20:23,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 17:20:23,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 17:20:23,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 17:20:23,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 17:20:23,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 17:20:23,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 17:20:23,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 17:20:23,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 17:20:23,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 17:20:23,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 17:20:23,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 17:20:23,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 17:20:23,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 17:20:23,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 17:20:23,301 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 [2019-10-03 17:20:23,327 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 17:20:23,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 17:20:23,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-03 17:20:23,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-03 17:20:23,329 INFO L138 SettingsManager]: * Use SBE=true [2019-10-03 17:20:23,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 17:20:23,330 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 17:20:23,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-03 17:20:23,330 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 17:20:23,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 17:20:23,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 17:20:23,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 17:20:23,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 17:20:23,332 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 17:20:23,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 17:20:23,333 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-03 17:20:23,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 17:20:23,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 17:20:23,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 17:20:23,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-03 17:20:23,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-03 17:20:23,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 17:20:23,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 17:20:23,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 17:20:23,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-03 17:20:23,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-03 17:20:23,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 17:20:23,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-03 17:20:23,335 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-03 17:20:23,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 17:20:23,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 17:20:23,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 17:20:23,420 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 17:20:23,420 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 17:20:23,421 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-circular-2.i [2019-10-03 17:20:23,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95f1a56a0/e350c55bf4184c36ba440382d965c19a/FLAG847224ebd [2019-10-03 17:20:23,989 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 17:20:23,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-circular-2.i [2019-10-03 17:20:24,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95f1a56a0/e350c55bf4184c36ba440382d965c19a/FLAG847224ebd [2019-10-03 17:20:24,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95f1a56a0/e350c55bf4184c36ba440382d965c19a [2019-10-03 17:20:24,271 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 17:20:24,272 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 17:20:24,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 17:20:24,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 17:20:24,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 17:20:24,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 05:20:24" (1/1) ... [2019-10-03 17:20:24,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50821800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:20:24, skipping insertion in model container [2019-10-03 17:20:24,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 05:20:24" (1/1) ... [2019-10-03 17:20:24,284 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 17:20:24,324 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 17:20:24,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 17:20:24,776 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 17:20:24,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 17:20:24,879 INFO L192 MainTranslator]: Completed translation [2019-10-03 17:20:24,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:20:24 WrapperNode [2019-10-03 17:20:24,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 17:20:24,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 17:20:24,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 17:20:24,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 17:20:24,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:20:24" (1/1) ... [2019-10-03 17:20:24,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:20:24" (1/1) ... [2019-10-03 17:20:24,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:20:24" (1/1) ... [2019-10-03 17:20:24,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:20:24" (1/1) ... [2019-10-03 17:20:24,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:20:24" (1/1) ... [2019-10-03 17:20:24,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:20:24" (1/1) ... [2019-10-03 17:20:24,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:20:24" (1/1) ... [2019-10-03 17:20:24,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 17:20:24,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 17:20:24,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 17:20:24,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 17:20:24,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:20:24" (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 [2019-10-03 17:20:25,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 17:20:25,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 17:20:25,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 17:20:25,009 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-03 17:20:25,010 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-03 17:20:25,010 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-03 17:20:25,011 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-03 17:20:25,011 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-03 17:20:25,012 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-03 17:20:25,012 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-03 17:20:25,012 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-03 17:20:25,012 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-03 17:20:25,013 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-03 17:20:25,013 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-03 17:20:25,014 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-03 17:20:25,014 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-03 17:20:25,016 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-03 17:20:25,017 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-03 17:20:25,017 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-03 17:20:25,017 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-03 17:20:25,017 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-03 17:20:25,017 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-03 17:20:25,017 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-03 17:20:25,017 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-03 17:20:25,018 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-03 17:20:25,018 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-03 17:20:25,018 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-03 17:20:25,018 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-03 17:20:25,018 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-03 17:20:25,018 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-03 17:20:25,018 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-03 17:20:25,019 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-03 17:20:25,019 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-03 17:20:25,019 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-03 17:20:25,019 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-03 17:20:25,020 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-03 17:20:25,020 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-03 17:20:25,020 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-03 17:20:25,020 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-03 17:20:25,020 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-03 17:20:25,020 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-03 17:20:25,021 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-03 17:20:25,021 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-03 17:20:25,021 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-03 17:20:25,021 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-03 17:20:25,021 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-03 17:20:25,021 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-03 17:20:25,021 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-03 17:20:25,022 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-03 17:20:25,022 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-03 17:20:25,022 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-03 17:20:25,022 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-03 17:20:25,022 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-03 17:20:25,022 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 17:20:25,023 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 17:20:25,023 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-03 17:20:25,023 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 17:20:25,023 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-03 17:20:25,023 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-03 17:20:25,023 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-03 17:20:25,023 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-03 17:20:25,024 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-03 17:20:25,024 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-03 17:20:25,024 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-03 17:20:25,025 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-03 17:20:25,025 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-03 17:20:25,025 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 17:20:25,025 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-03 17:20:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-03 17:20:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-03 17:20:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-03 17:20:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-03 17:20:25,027 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-03 17:20:25,028 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-03 17:20:25,028 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-03 17:20:25,028 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-03 17:20:25,028 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-03 17:20:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-03 17:20:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-03 17:20:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-03 17:20:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-03 17:20:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-03 17:20:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-03 17:20:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-03 17:20:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-03 17:20:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-03 17:20:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-03 17:20:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-03 17:20:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-03 17:20:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-03 17:20:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-03 17:20:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-03 17:20:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-03 17:20:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-03 17:20:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-03 17:20:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-03 17:20:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-03 17:20:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-03 17:20:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-03 17:20:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-03 17:20:25,034 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-03 17:20:25,034 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-03 17:20:25,034 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-03 17:20:25,034 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-03 17:20:25,034 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-03 17:20:25,034 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-03 17:20:25,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 17:20:25,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 17:20:25,035 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 17:20:25,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 17:20:25,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 17:20:25,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 17:20:25,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 17:20:25,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 17:20:25,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 17:20:25,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 17:20:25,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 17:20:25,621 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 17:20:25,621 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-10-03 17:20:25,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 05:20:25 BoogieIcfgContainer [2019-10-03 17:20:25,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 17:20:25,623 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-03 17:20:25,623 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-03 17:20:25,623 INFO L275 PluginConnector]: Sifa initialized [2019-10-03 17:20:25,625 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 05:20:25" (1/1) ... [2019-10-03 17:20:25,625 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-03 17:20:25,649 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-10-03 17:20:25,649 INFO L169 IcfgInterpreter]: Building call graph [2019-10-03 17:20:25,657 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-03 17:20:25,665 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-03 17:20:25,666 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-03 17:20:25,844 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-03 17:20:26,734 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2019-10-03 17:20:29,632 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-03 17:20:29,633 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-03 17:20:29,641 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 555#(and (<= 0 main_~x~0.base) (<= main_~x~0.offset 0) (<= main_~x~0.base 0) (or (and (= 0 main_~x~0.base) (= main_~x~0.offset 0) (exists ((v_main_~x~0.base_32 Int) (v_main_~x~0.offset_30 Int)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| v_main_~x~0.base_32) (+ v_main_~x~0.offset_30 8)) main_~state~0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)))) (and (= 0 main_~x~0.base) (= main_~x~0.offset 0) (exists ((v_main_~x~0.offset_26 Int) (v_main_~x~0.base_28 Int)) (and (not (= 2 main_~state~0)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| v_main_~x~0.base_28) (+ v_main_~x~0.offset_26 8)) main_~state~0) (not (= 1 main_~state~0)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base))))) (<= 0 main_~x~0.offset)) [2019-10-03 17:20:29,641 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 690#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) 0)) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (< (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) [2019-10-03 17:20:29,642 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 357#(and (<= 0 main_~x~0.base) (= 0 main_~x~0.base) (<= main_~x~0.offset 0) (<= main_~x~0.base 0) (= main_~x~0.offset 0) (<= 0 main_~x~0.offset) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) main_~state~0)) [2019-10-03 17:20:29,659 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-03 17:20:29,660 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-03 17:20:29,661 INFO L168 Benchmark]: Toolchain (without parser) took 5389.39 ms. Allocated memory was 140.0 MB in the beginning and 318.2 MB in the end (delta: 178.3 MB). Free memory was 86.5 MB in the beginning and 110.8 MB in the end (delta: -24.4 MB). Peak memory consumption was 153.9 MB. Max. memory is 7.1 GB. [2019-10-03 17:20:29,662 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 17:20:29,665 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.40 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 86.3 MB in the beginning and 166.5 MB in the end (delta: -80.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-10-03 17:20:29,665 INFO L168 Benchmark]: Boogie Preprocessor took 65.26 ms. Allocated memory is still 200.3 MB. Free memory was 166.5 MB in the beginning and 163.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-10-03 17:20:29,666 INFO L168 Benchmark]: RCFGBuilder took 675.45 ms. Allocated memory is still 200.3 MB. Free memory was 163.0 MB in the beginning and 114.8 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 7.1 GB. [2019-10-03 17:20:29,666 INFO L168 Benchmark]: Sifa took 4036.86 ms. Allocated memory was 200.3 MB in the beginning and 318.2 MB in the end (delta: 118.0 MB). Free memory was 114.8 MB in the beginning and 110.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 122.0 MB. Max. memory is 7.1 GB. [2019-10-03 17:20:29,671 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 608.40 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 86.3 MB in the beginning and 166.5 MB in the end (delta: -80.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.26 ms. Allocated memory is still 200.3 MB. Free memory was 166.5 MB in the beginning and 163.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 675.45 ms. Allocated memory is still 200.3 MB. Free memory was 163.0 MB in the beginning and 114.8 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 7.1 GB. * Sifa took 4036.86 ms. Allocated memory was 200.3 MB in the beginning and 318.2 MB in the end (delta: 118.0 MB). Free memory was 114.8 MB in the beginning and 110.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 122.0 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]: 3993, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 262, DAG_INTERPRETER_EARLY_EXITS: 9, TOOLS_POST_APPLICATIONS: 213, TOOLS_POST_TIME[ms]: 3286, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 18, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 215, TOOLS_QUANTIFIERELIM_TIME[ms]: 3251, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1861, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 284, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 97, DOMAIN_JOIN_TIME[ms]: 306, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 6, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 22, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 73, DOMAIN_ISBOTTOM_TIME[ms]: 214, LOOP_SUMMARIZER_APPLICATIONS: 21, LOOP_SUMMARIZER_CACHE_MISSES: 21, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2919, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2918, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 22, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 129, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 129, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 53, DAG_COMPRESSION_PROCESSED_NODES: 728, DAG_COMPRESSION_RETAINED_NODES: 266 - UnprovableResult [Line: 1020]: 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 555#(and (<= 0 main_~x~0.base) (<= main_~x~0.offset 0) (<= main_~x~0.base 0) (or (and (= 0 main_~x~0.base) (= main_~x~0.offset 0) (exists ((v_main_~x~0.base_32 Int) (v_main_~x~0.offset_30 Int)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| v_main_~x~0.base_32) (+ v_main_~x~0.offset_30 8)) main_~state~0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)))) (and (= 0 main_~x~0.base) (= main_~x~0.offset 0) (exists ((v_main_~x~0.offset_26 Int) (v_main_~x~0.base_28 Int)) (and (not (= 2 main_~state~0)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| v_main_~x~0.base_28) (+ v_main_~x~0.offset_26 8)) main_~state~0) (not (= 1 main_~state~0)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base))))) (<= 0 main_~x~0.offset)). Possible FailurePath: - UnprovableResult [Line: 1024]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 690#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) 0)) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (< (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))). Possible FailurePath: - UnprovableResult [Line: 1015]: 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 357#(and (<= 0 main_~x~0.base) (= 0 main_~x~0.base) (<= main_~x~0.offset 0) (<= main_~x~0.base 0) (= main_~x~0.offset 0) (<= 0 main_~x~0.offset) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) main_~state~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...