java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/rule60_list.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 18:00:34,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 18:00:34,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 18:00:34,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 18:00:34,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 18:00:34,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 18:00:34,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 18:00:34,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 18:00:34,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 18:00:34,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 18:00:34,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 18:00:34,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 18:00:34,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 18:00:34,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 18:00:34,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 18:00:34,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 18:00:34,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 18:00:34,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 18:00:34,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 18:00:34,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 18:00:34,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 18:00:34,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 18:00:34,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 18:00:34,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 18:00:34,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 18:00:34,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 18:00:34,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 18:00:34,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 18:00:34,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 18:00:34,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 18:00:34,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 18:00:34,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 18:00:34,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 18:00:34,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 18:00:34,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 18:00:34,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 18:00:34,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 18:00:34,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 18:00:34,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 18:00:34,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 18:00:34,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 18:00:34,121 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 [2019-09-16 18:00:34,151 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 18:00:34,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 18:00:34,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 18:00:34,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 18:00:34,154 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 18:00:34,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 18:00:34,154 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 18:00:34,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 18:00:34,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 18:00:34,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 18:00:34,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 18:00:34,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 18:00:34,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 18:00:34,157 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 18:00:34,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 18:00:34,157 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 18:00:34,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 18:00:34,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 18:00:34,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 18:00:34,158 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 18:00:34,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 18:00:34,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 18:00:34,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 18:00:34,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 18:00:34,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 18:00:34,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 18:00:34,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 18:00:34,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 18:00:34,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-16 18:00:34,207 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 18:00:34,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 18:00:34,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 18:00:34,224 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 18:00:34,225 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 18:00:34,226 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list.i [2019-09-16 18:00:34,287 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5706e25/34183a6d4ad24041b2654a12f18f762a/FLAGcabaa6880 [2019-09-16 18:00:34,769 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 18:00:34,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list.i [2019-09-16 18:00:34,791 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5706e25/34183a6d4ad24041b2654a12f18f762a/FLAGcabaa6880 [2019-09-16 18:00:35,064 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5706e25/34183a6d4ad24041b2654a12f18f762a [2019-09-16 18:00:35,073 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 18:00:35,074 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 18:00:35,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 18:00:35,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 18:00:35,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 18:00:35,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 06:00:35" (1/1) ... [2019-09-16 18:00:35,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c2c29fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:00:35, skipping insertion in model container [2019-09-16 18:00:35,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 06:00:35" (1/1) ... [2019-09-16 18:00:35,090 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 18:00:35,133 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 18:00:35,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 18:00:35,606 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 18:00:35,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 18:00:35,712 INFO L192 MainTranslator]: Completed translation [2019-09-16 18:00:35,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:00:35 WrapperNode [2019-09-16 18:00:35,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 18:00:35,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 18:00:35,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 18:00:35,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 18:00:35,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:00:35" (1/1) ... [2019-09-16 18:00:35,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:00:35" (1/1) ... [2019-09-16 18:00:35,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:00:35" (1/1) ... [2019-09-16 18:00:35,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:00:35" (1/1) ... [2019-09-16 18:00:35,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:00:35" (1/1) ... [2019-09-16 18:00:35,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:00:35" (1/1) ... [2019-09-16 18:00:35,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:00:35" (1/1) ... [2019-09-16 18:00:35,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 18:00:35,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 18:00:35,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 18:00:35,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 18:00:35,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:00:35" (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 [2019-09-16 18:00:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 18:00:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 18:00:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-16 18:00:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-16 18:00:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-16 18:00:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 18:00:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 18:00:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-16 18:00:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-09-16 18:00:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-09-16 18:00:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-09-16 18:00:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-09-16 18:00:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-09-16 18:00:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-09-16 18:00:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-09-16 18:00:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-09-16 18:00:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-09-16 18:00:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-09-16 18:00:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-09-16 18:00:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-09-16 18:00:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-09-16 18:00:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-09-16 18:00:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-09-16 18:00:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-09-16 18:00:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-09-16 18:00:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-09-16 18:00:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-09-16 18:00:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-09-16 18:00:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-09-16 18:00:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-09-16 18:00:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-09-16 18:00:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-09-16 18:00:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-09-16 18:00:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-09-16 18:00:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-09-16 18:00:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-09-16 18:00:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-16 18:00:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-09-16 18:00:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-09-16 18:00:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-09-16 18:00:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-09-16 18:00:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-09-16 18:00:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-09-16 18:00:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-09-16 18:00:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-09-16 18:00:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-09-16 18:00:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 18:00:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-16 18:00:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-09-16 18:00:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-09-16 18:00:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-09-16 18:00:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-16 18:00:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-09-16 18:00:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-09-16 18:00:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-09-16 18:00:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-09-16 18:00:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-09-16 18:00:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-09-16 18:00:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-09-16 18:00:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-09-16 18:00:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-09-16 18:00:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-09-16 18:00:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-09-16 18:00:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-09-16 18:00:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-09-16 18:00:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-09-16 18:00:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-09-16 18:00:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-09-16 18:00:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-09-16 18:00:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-09-16 18:00:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-09-16 18:00:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-09-16 18:00:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-09-16 18:00:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-09-16 18:00:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-09-16 18:00:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-09-16 18:00:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2019-09-16 18:00:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-09-16 18:00:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-09-16 18:00:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-09-16 18:00:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-09-16 18:00:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-16 18:00:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-09-16 18:00:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-09-16 18:00:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-09-16 18:00:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-09-16 18:00:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-09-16 18:00:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-09-16 18:00:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-09-16 18:00:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-09-16 18:00:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-09-16 18:00:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-09-16 18:00:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-09-16 18:00:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-09-16 18:00:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-09-16 18:00:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-09-16 18:00:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-09-16 18:00:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-09-16 18:00:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-09-16 18:00:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-09-16 18:00:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-09-16 18:00:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-09-16 18:00:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-09-16 18:00:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-09-16 18:00:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-09-16 18:00:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-09-16 18:00:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-09-16 18:00:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-09-16 18:00:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-09-16 18:00:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 18:00:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-16 18:00:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-16 18:00:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 18:00:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-16 18:00:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2019-09-16 18:00:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-16 18:00:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2019-09-16 18:00:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2019-09-16 18:00:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2019-09-16 18:00:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2019-09-16 18:00:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2019-09-16 18:00:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2019-09-16 18:00:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2019-09-16 18:00:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2019-09-16 18:00:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2019-09-16 18:00:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2019-09-16 18:00:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2019-09-16 18:00:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-16 18:00:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 18:00:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 18:00:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-16 18:00:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 18:00:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 18:00:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 18:00:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 18:00:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-16 18:00:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 18:00:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 18:00:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 18:00:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 18:00:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 18:00:36,425 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 18:00:36,425 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 18:00:36,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 06:00:36 BoogieIcfgContainer [2019-09-16 18:00:36,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 18:00:36,427 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 18:00:36,427 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 18:00:36,428 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 18:00:36,429 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 06:00:36" (1/1) ... [2019-09-16 18:00:36,429 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-16 18:00:36,452 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 18:00:36,452 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 18:00:36,459 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 18:00:36,469 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 18:00:36,470 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 18:00:36,878 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-16 18:00:37,103 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-16 18:00:37,337 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-16 18:00:38,092 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-16 18:00:38,402 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2019-09-16 18:00:38,978 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-16 18:00:39,410 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-16 18:00:39,915 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-16 18:00:40,310 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2019-09-16 18:00:40,346 INFO L199 IcfgInterpreter]: Interpreting procedure list_add with input of size 46 for LOIs [2019-09-16 18:00:40,350 INFO L199 IcfgInterpreter]: Interpreting procedure list_del with input of size 43 for LOIs [2019-09-16 18:00:40,355 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 1 for LOIs [2019-09-16 18:00:40,367 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 18:00:40,368 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 18:00:40,370 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 56#false [2019-09-16 18:00:40,376 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-16 18:00:40,376 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 18:00:40,378 INFO L168 Benchmark]: Toolchain (without parser) took 5303.82 ms. Allocated memory was 128.5 MB in the beginning and 283.1 MB in the end (delta: 154.7 MB). Free memory was 82.8 MB in the beginning and 122.3 MB in the end (delta: -39.5 MB). Peak memory consumption was 115.2 MB. Max. memory is 7.1 GB. [2019-09-16 18:00:40,379 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 128.5 MB. Free memory was 102.6 MB in the beginning and 102.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 18:00:40,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.62 ms. Allocated memory was 128.5 MB in the beginning and 197.7 MB in the end (delta: 69.2 MB). Free memory was 82.6 MB in the beginning and 157.5 MB in the end (delta: -74.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-09-16 18:00:40,380 INFO L168 Benchmark]: Boogie Preprocessor took 52.14 ms. Allocated memory is still 197.7 MB. Free memory was 157.5 MB in the beginning and 154.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-09-16 18:00:40,381 INFO L168 Benchmark]: RCFGBuilder took 661.30 ms. Allocated memory is still 197.7 MB. Free memory was 154.8 MB in the beginning and 109.4 MB in the end (delta: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 7.1 GB. [2019-09-16 18:00:40,382 INFO L168 Benchmark]: Sifa took 3949.45 ms. Allocated memory was 197.7 MB in the beginning and 283.1 MB in the end (delta: 85.5 MB). Free memory was 109.4 MB in the beginning and 122.3 MB in the end (delta: -12.9 MB). Peak memory consumption was 72.5 MB. Max. memory is 7.1 GB. [2019-09-16 18:00:40,385 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 128.5 MB. Free memory was 102.6 MB in the beginning and 102.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 637.62 ms. Allocated memory was 128.5 MB in the beginning and 197.7 MB in the end (delta: 69.2 MB). Free memory was 82.6 MB in the beginning and 157.5 MB in the end (delta: -74.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.14 ms. Allocated memory is still 197.7 MB. Free memory was 157.5 MB in the beginning and 154.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 661.30 ms. Allocated memory is still 197.7 MB. Free memory was 154.8 MB in the beginning and 109.4 MB in the end (delta: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 7.1 GB. * Sifa took 3949.45 ms. Allocated memory was 197.7 MB in the beginning and 283.1 MB in the end (delta: 85.5 MB). Free memory was 109.4 MB in the beginning and 122.3 MB in the end (delta: -12.9 MB). Peak memory consumption was 72.5 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]: 3918, ICFG_INTERPRETER_ENTERED_PROCEDURES: 5, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 32, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 18, TOOLS_POST_TIME[ms]: 399, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 2645, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 447, TOOLS_QUANTIFIERELIM_APPLICATIONS: 33, TOOLS_QUANTIFIERELIM_TIME[ms]: 3461, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 749, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 32, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 10, DOMAIN_JOIN_TIME[ms]: 333, 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]: 594, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 593, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 74, DAG_COMPRESSION_RETAINED_NODES: 47 - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...