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 IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/rule60_list.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:29:16,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:29:16,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:29:16,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:29:16,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:29:16,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:29:16,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:29:16,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:29:16,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:29:16,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:29:16,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:29:16,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:29:16,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:29:16,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:29:16,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:29:16,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:29:16,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:29:16,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:29:16,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:29:16,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:29:16,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:29:16,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:29:16,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:29:16,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:29:16,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:29:16,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:29:16,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:29:16,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:29:16,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:29:16,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:29:16,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:29:16,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:29:16,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:29:16,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:29:16,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:29:16,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:29:16,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:29:16,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:29:16,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:29:16,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:29:16,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:29:16,275 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 16:29:16,294 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:29:16,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:29:16,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:29:16,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:29:16,296 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:29:16,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:29:16,296 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:29:16,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:29:16,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:29:16,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:29:16,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:29:16,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:29:16,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:29:16,298 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:29:16,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:29:16,298 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:29:16,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:29:16,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:29:16,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:29:16,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:29:16,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:29:16,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:29:16,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:29:16,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:29:16,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:29:16,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:29:16,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:29:16,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:29:16,301 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 -> SIMPLIFY_DDA [2019-09-20 16:29:16,331 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:29:16,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:29:16,346 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:29:16,348 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:29:16,348 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:29:16,349 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list.i [2019-09-20 16:29:16,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/036cc9c2a/8ba77aeb63bc4927b53e2962e46ea098/FLAG2ffc9e586 [2019-09-20 16:29:16,883 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:29:16,883 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list.i [2019-09-20 16:29:16,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/036cc9c2a/8ba77aeb63bc4927b53e2962e46ea098/FLAG2ffc9e586 [2019-09-20 16:29:17,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/036cc9c2a/8ba77aeb63bc4927b53e2962e46ea098 [2019-09-20 16:29:17,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:29:17,233 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:29:17,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:17,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:29:17,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:29:17,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:17" (1/1) ... [2019-09-20 16:29:17,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bda3564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:17, skipping insertion in model container [2019-09-20 16:29:17,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:17" (1/1) ... [2019-09-20 16:29:17,250 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:29:17,301 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:29:17,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:17,770 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:29:17,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:17,905 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:29:17,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:17 WrapperNode [2019-09-20 16:29:17,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:17,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:29:17,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:29:17,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:29:17,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:17" (1/1) ... [2019-09-20 16:29:17,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:17" (1/1) ... [2019-09-20 16:29:17,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:17" (1/1) ... [2019-09-20 16:29:17,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:17" (1/1) ... [2019-09-20 16:29:17,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:17" (1/1) ... [2019-09-20 16:29:17,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:17" (1/1) ... [2019-09-20 16:29:17,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:17" (1/1) ... [2019-09-20 16:29:18,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:29:18,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:29:18,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:29:18,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:29:18,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:17" (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 16:29:18,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:29:18,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:29:18,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-20 16:29:18,077 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-20 16:29:18,077 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-20 16:29:18,078 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:29:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:29:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-20 16:29:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-09-20 16:29:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-09-20 16:29:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-09-20 16:29:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-09-20 16:29:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-09-20 16:29:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-09-20 16:29:18,082 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-09-20 16:29:18,082 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-09-20 16:29:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-09-20 16:29:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-09-20 16:29:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-09-20 16:29:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-09-20 16:29:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-09-20 16:29:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-09-20 16:29:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-09-20 16:29:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-09-20 16:29:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-09-20 16:29:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-09-20 16:29:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-09-20 16:29:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-09-20 16:29:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-09-20 16:29:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-09-20 16:29:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-09-20 16:29:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-09-20 16:29:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-09-20 16:29:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-09-20 16:29:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-09-20 16:29:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-09-20 16:29:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-20 16:29:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-09-20 16:29:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-09-20 16:29:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-09-20 16:29:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-09-20 16:29:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-09-20 16:29:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-09-20 16:29:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-09-20 16:29:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-09-20 16:29:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-09-20 16:29:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 16:29:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-20 16:29:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-09-20 16:29:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-09-20 16:29:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-09-20 16:29:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-20 16:29:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-09-20 16:29:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-09-20 16:29:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-09-20 16:29:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-09-20 16:29:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-09-20 16:29:18,091 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-09-20 16:29:18,091 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-09-20 16:29:18,091 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-09-20 16:29:18,091 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-09-20 16:29:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-09-20 16:29:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-09-20 16:29:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-09-20 16:29:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-09-20 16:29:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-09-20 16:29:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-09-20 16:29:18,093 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-09-20 16:29:18,093 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-09-20 16:29:18,093 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-09-20 16:29:18,093 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-09-20 16:29:18,093 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-09-20 16:29:18,093 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-09-20 16:29:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-09-20 16:29:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-09-20 16:29:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-09-20 16:29:18,095 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2019-09-20 16:29:18,095 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-09-20 16:29:18,095 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-09-20 16:29:18,095 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-09-20 16:29:18,096 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-09-20 16:29:18,096 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-20 16:29:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-09-20 16:29:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-09-20 16:29:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-09-20 16:29:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-09-20 16:29:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-09-20 16:29:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-09-20 16:29:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-09-20 16:29:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-09-20 16:29:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-09-20 16:29:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-09-20 16:29:18,099 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-09-20 16:29:18,099 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-09-20 16:29:18,099 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-09-20 16:29:18,099 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-09-20 16:29:18,099 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-09-20 16:29:18,099 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-09-20 16:29:18,099 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-09-20 16:29:18,100 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-09-20 16:29:18,100 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-09-20 16:29:18,100 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-09-20 16:29:18,100 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-09-20 16:29:18,100 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-09-20 16:29:18,100 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-09-20 16:29:18,100 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-09-20 16:29:18,101 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-09-20 16:29:18,101 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-09-20 16:29:18,101 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-09-20 16:29:18,101 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 16:29:18,101 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 16:29:18,101 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 16:29:18,102 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 16:29:18,102 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 16:29:18,102 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2019-09-20 16:29:18,102 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 16:29:18,103 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2019-09-20 16:29:18,103 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2019-09-20 16:29:18,103 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2019-09-20 16:29:18,104 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2019-09-20 16:29:18,104 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2019-09-20 16:29:18,104 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2019-09-20 16:29:18,104 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2019-09-20 16:29:18,104 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2019-09-20 16:29:18,105 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2019-09-20 16:29:18,105 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2019-09-20 16:29:18,106 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2019-09-20 16:29:18,106 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-20 16:29:18,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:29:18,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:29:18,107 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-20 16:29:18,107 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:29:18,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 16:29:18,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:29:18,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 16:29:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 16:29:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 16:29:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:29:18,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 16:29:18,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 16:29:18,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:29:18,629 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:29:18,630 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 16:29:18,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:18 BoogieIcfgContainer [2019-09-20 16:29:18,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:29:18,632 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:29:18,632 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:29:18,632 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:29:18,633 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:18" (1/1) ... [2019-09-20 16:29:18,634 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 16:29:18,657 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:29:18,658 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:29:18,666 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:29:18,674 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:29:18,676 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:29:18,999 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 26 for LOIs [2019-09-20 16:29:19,172 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 16:29:19,664 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2019-09-20 16:29:20,395 INFO L199 IcfgInterpreter]: Interpreting procedure list_add with input of size 17 for LOIs [2019-09-20 16:29:20,400 INFO L199 IcfgInterpreter]: Interpreting procedure list_del with input of size 35 for LOIs [2019-09-20 16:29:20,405 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 1 for LOIs [2019-09-20 16:29:20,406 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:29:20,406 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:29:20,408 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 46#true [2019-09-20 16:29:20,419 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:29:20,420 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:29:20,421 INFO L168 Benchmark]: Toolchain (without parser) took 3188.39 ms. Allocated memory was 141.0 MB in the beginning and 255.9 MB in the end (delta: 114.8 MB). Free memory was 87.3 MB in the beginning and 184.5 MB in the end (delta: -97.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:20,434 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:29:20,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.72 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 87.1 MB in the beginning and 164.0 MB in the end (delta: -76.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:20,436 INFO L168 Benchmark]: Boogie Preprocessor took 97.16 ms. Allocated memory is still 200.8 MB. Free memory was 164.0 MB in the beginning and 161.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:20,436 INFO L168 Benchmark]: RCFGBuilder took 626.96 ms. Allocated memory is still 200.8 MB. Free memory was 161.6 MB in the beginning and 116.1 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:20,437 INFO L168 Benchmark]: Sifa took 1788.00 ms. Allocated memory was 200.8 MB in the beginning and 255.9 MB in the end (delta: 55.1 MB). Free memory was 116.1 MB in the beginning and 184.5 MB in the end (delta: -68.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 16:29:20,439 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 672.72 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 87.1 MB in the beginning and 164.0 MB in the end (delta: -76.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.16 ms. Allocated memory is still 200.8 MB. Free memory was 164.0 MB in the beginning and 161.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 626.96 ms. Allocated memory is still 200.8 MB. Free memory was 161.6 MB in the beginning and 116.1 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. * Sifa took 1788.00 ms. Allocated memory was 200.8 MB in the beginning and 255.9 MB in the end (delta: 55.1 MB). Free memory was 116.1 MB in the beginning and 184.5 MB in the end (delta: -68.4 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]: 1751, ICFG_INTERPRETER_ENTERED_PROCEDURES: 5, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 32, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 18, TOOLS_POST_TIME[ms]: 324, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 1092, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 191, TOOLS_QUANTIFIERELIM_APPLICATIONS: 34, TOOLS_QUANTIFIERELIM_TIME[ms]: 1585, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 432, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 32, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 10, DOMAIN_JOIN_TIME[ms]: 64, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 9, 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: 5, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 379, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 379, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 74, DAG_COMPRESSION_RETAINED_NODES: 47 - 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 46#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...