java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:22:33,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:22:33,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:22:33,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:22:33,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:22:33,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:22:33,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:22:33,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:22:33,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:22:33,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:22:33,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:22:33,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:22:33,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:22:33,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:22:33,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:22:33,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:22:33,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:22:33,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:22:33,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:22:33,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:22:33,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:22:33,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:22:33,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:22:33,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:22:33,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:22:33,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:22:33,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:22:33,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:22:33,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:22:33,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:22:33,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:22:33,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:22:33,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:22:33,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:22:33,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:22:33,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:22:33,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:22:33,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:22:33,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:22:33,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:22:33,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:22:33,270 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 20:22:33,288 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:22:33,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:22:33,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:22:33,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:22:33,291 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:22:33,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:22:33,291 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:22:33,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:22:33,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:22:33,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:22:33,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:22:33,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:22:33,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:22:33,293 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:22:33,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:22:33,293 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:22:33,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:22:33,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:22:33,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:22:33,294 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:22:33,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:22:33,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:22:33,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:22:33,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:22:33,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:22:33,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:22:33,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:22:33,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:22:33,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> ReUseSupersetCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 20:22:33,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:22:33,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:22:33,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:22:33,365 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:22:33,365 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:22:33,366 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i [2019-09-20 20:22:33,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aef9faabc/9f2a3b2c6f1e4c1d9d1d7c445f06fb06/FLAG585daf23e [2019-09-20 20:22:33,931 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:22:33,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list2.i [2019-09-20 20:22:33,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aef9faabc/9f2a3b2c6f1e4c1d9d1d7c445f06fb06/FLAG585daf23e [2019-09-20 20:22:34,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aef9faabc/9f2a3b2c6f1e4c1d9d1d7c445f06fb06 [2019-09-20 20:22:34,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:22:34,255 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:22:34,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:22:34,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:22:34,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:22:34,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:22:34" (1/1) ... [2019-09-20 20:22:34,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d6129f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:34, skipping insertion in model container [2019-09-20 20:22:34,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:22:34" (1/1) ... [2019-09-20 20:22:34,271 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:22:34,319 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:22:34,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:22:34,722 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:22:34,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:22:34,850 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:22:34,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:34 WrapperNode [2019-09-20 20:22:34,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:22:34,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:22:34,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:22:34,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:22:34,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:34" (1/1) ... [2019-09-20 20:22:34,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:34" (1/1) ... [2019-09-20 20:22:34,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:34" (1/1) ... [2019-09-20 20:22:34,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:34" (1/1) ... [2019-09-20 20:22:34,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:34" (1/1) ... [2019-09-20 20:22:34,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:34" (1/1) ... [2019-09-20 20:22:34,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:34" (1/1) ... [2019-09-20 20:22:34,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:22:34,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:22:34,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:22:34,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:22:34,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:22:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:22:34,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:22:34,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-20 20:22:34,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __getMemory [2019-09-20 20:22:34,969 INFO L138 BoogieDeclarations]: Found implementation of procedure my_malloc [2019-09-20 20:22:34,969 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-20 20:22:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-20 20:22:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:22:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:22:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-20 20:22:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-09-20 20:22:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-09-20 20:22:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-09-20 20:22:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-09-20 20:22:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-09-20 20:22:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-09-20 20:22:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-09-20 20:22:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-09-20 20:22:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-09-20 20:22:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-09-20 20:22:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-09-20 20:22:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-09-20 20:22:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-09-20 20:22:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-09-20 20:22:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-09-20 20:22:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-09-20 20:22:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-09-20 20:22:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-09-20 20:22:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-09-20 20:22:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-09-20 20:22:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-09-20 20:22:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-09-20 20:22:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-09-20 20:22:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-09-20 20:22:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-09-20 20:22:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-09-20 20:22:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-09-20 20:22:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-09-20 20:22:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-20 20:22:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-09-20 20:22:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-09-20 20:22:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-09-20 20:22:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-09-20 20:22:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-09-20 20:22:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-09-20 20:22:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-09-20 20:22:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-09-20 20:22:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-09-20 20:22:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 20:22:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-20 20:22:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-09-20 20:22:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-09-20 20:22:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-09-20 20:22:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-20 20:22:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-09-20 20:22:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-09-20 20:22:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-09-20 20:22:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-09-20 20:22:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-09-20 20:22:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-09-20 20:22:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-09-20 20:22:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-09-20 20:22:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-09-20 20:22:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-09-20 20:22:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-09-20 20:22:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-09-20 20:22:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-09-20 20:22:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-09-20 20:22:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-09-20 20:22:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-09-20 20:22:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-09-20 20:22:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-09-20 20:22:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-09-20 20:22:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-09-20 20:22:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-09-20 20:22:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-09-20 20:22:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-09-20 20:22:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-09-20 20:22:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2019-09-20 20:22:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-09-20 20:22:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-09-20 20:22:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-09-20 20:22:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-09-20 20:22:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-20 20:22:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-09-20 20:22:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-09-20 20:22:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-09-20 20:22:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-09-20 20:22:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-09-20 20:22:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-09-20 20:22:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-09-20 20:22:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-09-20 20:22:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-09-20 20:22:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-09-20 20:22:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-09-20 20:22:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-09-20 20:22:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-09-20 20:22:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-09-20 20:22:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-09-20 20:22:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-09-20 20:22:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-09-20 20:22:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-09-20 20:22:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-09-20 20:22:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-09-20 20:22:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-09-20 20:22:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-09-20 20:22:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-09-20 20:22:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-09-20 20:22:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-09-20 20:22:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-09-20 20:22:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-09-20 20:22:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 20:22:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 20:22:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 20:22:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 20:22:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 20:22:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2019-09-20 20:22:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 20:22:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2019-09-20 20:22:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2019-09-20 20:22:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2019-09-20 20:22:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2019-09-20 20:22:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2019-09-20 20:22:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2019-09-20 20:22:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2019-09-20 20:22:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2019-09-20 20:22:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2019-09-20 20:22:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2019-09-20 20:22:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2019-09-20 20:22:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 20:22:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure __getMemory [2019-09-20 20:22:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure my_malloc [2019-09-20 20:22:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-20 20:22:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-20 20:22:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:22:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:22:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 20:22:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 20:22:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:22:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 20:22:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 20:22:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 20:22:35,608 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:22:35,608 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 20:22:35,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:22:35 BoogieIcfgContainer [2019-09-20 20:22:35,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:22:35,610 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:22:35,611 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:22:35,611 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:22:35,612 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:22:35" (1/1) ... [2019-09-20 20:22:35,613 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:22:35,635 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:22:35,636 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:22:35,643 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:22:35,652 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:22:35,654 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:22:36,090 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-20 20:22:36,226 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-09-20 20:22:36,568 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-20 20:22:36,785 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-09-20 20:22:37,097 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-09-20 20:22:37,378 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-09-20 20:22:37,951 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 20:22:38,062 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 20:22:38,063 INFO L199 IcfgInterpreter]: Interpreting procedure list_add with input of size 13 for LOIs [2019-09-20 20:22:38,065 INFO L199 IcfgInterpreter]: Interpreting procedure my_malloc with input of size 52 for LOIs [2019-09-20 20:22:38,068 INFO L199 IcfgInterpreter]: Interpreting procedure __getMemory with input of size 53 for LOIs [2019-09-20 20:22:38,072 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 1 for LOIs [2019-09-20 20:22:38,074 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 20:22:38,074 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 20:22:38,076 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 119#true [2019-09-20 20:22:38,088 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 20:22:38,088 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 20:22:38,090 INFO L168 Benchmark]: Toolchain (without parser) took 3834.17 ms. Allocated memory was 135.3 MB in the beginning and 255.3 MB in the end (delta: 120.1 MB). Free memory was 89.0 MB in the beginning and 156.4 MB in the end (delta: -67.4 MB). Peak memory consumption was 52.7 MB. Max. memory is 7.1 GB. [2019-09-20 20:22:38,091 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 20:22:38,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.60 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 88.8 MB in the beginning and 162.9 MB in the end (delta: -74.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-09-20 20:22:38,093 INFO L168 Benchmark]: Boogie Preprocessor took 58.78 ms. Allocated memory is still 201.3 MB. Free memory was 162.9 MB in the beginning and 159.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-09-20 20:22:38,093 INFO L168 Benchmark]: RCFGBuilder took 699.27 ms. Allocated memory is still 201.3 MB. Free memory was 159.5 MB in the beginning and 107.6 MB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 7.1 GB. [2019-09-20 20:22:38,094 INFO L168 Benchmark]: Sifa took 2477.59 ms. Allocated memory was 201.3 MB in the beginning and 255.3 MB in the end (delta: 54.0 MB). Free memory was 107.6 MB in the beginning and 156.4 MB in the end (delta: -48.7 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-09-20 20:22:38,098 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 594.60 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 88.8 MB in the beginning and 162.9 MB in the end (delta: -74.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.78 ms. Allocated memory is still 201.3 MB. Free memory was 162.9 MB in the beginning and 159.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 699.27 ms. Allocated memory is still 201.3 MB. Free memory was 159.5 MB in the beginning and 107.6 MB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 7.1 GB. * Sifa took 2477.59 ms. Allocated memory was 201.3 MB in the beginning and 255.3 MB in the end (delta: 54.0 MB). Free memory was 107.6 MB in the beginning and 156.4 MB in the end (delta: -48.7 MB). Peak memory consumption was 5.3 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]: 2441, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 58, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 34, TOOLS_POST_TIME[ms]: 34, TOOLS_POST_CALL_APPLICATIONS: 21, TOOLS_POST_CALL_TIME[ms]: 64, TOOLS_POST_RETURN_APPLICATIONS: 12, TOOLS_POST_RETURN_TIME[ms]: 273, TOOLS_QUANTIFIERELIM_APPLICATIONS: 66, TOOLS_QUANTIFIERELIM_TIME[ms]: 340, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 245, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 58, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME[ms]: 1947, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 14, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 8, DOMAIN_ISBOTTOM_TIME[ms]: 14, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 12, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1760, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, DAG_COMPRESSION_PROCESSED_NODES: 117, DAG_COMPRESSION_RETAINED_NODES: 63 - UnprovableResult [Line: 6]: 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 119#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...