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 -i ../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:44:54,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:44:54,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:44:54,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:44:54,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:44:54,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:44:54,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:44:54,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:44:54,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:44:54,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:44:54,851 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:44:54,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:44:54,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:44:54,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:44:54,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:44:54,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:44:54,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:44:54,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:44:54,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:44:54,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:44:54,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:44:54,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:44:54,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:44:54,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:44:54,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-22 21:44:54,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-22 21:44:54,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-22 21:44:54,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-22 21:44:54,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-22 21:44:54,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-22 21:44:54,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:44:54,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:44:54,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:44:54,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:44:54,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:44:54,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:44:54,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:44:54,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:44:54,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:44:54,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:44:54,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:44:54,892 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 [2019-08-22 21:44:54,906 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:44:54,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:44:54,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:44:54,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:44:54,908 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:44:54,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:44:54,908 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:44:54,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:44:54,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:44:54,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:44:54,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:44:54,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:44:54,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:44:54,910 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:44:54,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:44:54,910 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:44:54,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:44:54,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:44:54,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:44:54,911 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:44:54,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:44:54,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:44:54,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:44:54,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:44:54,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:44:54,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:44:54,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:44:54,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:44:54,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:44:54,941 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:44:54,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:44:54,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:44:54,967 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:44:54,967 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:44:54,968 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i [2019-08-22 21:44:55,042 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4792bec8f/206b0dd3024f4a67b8d6434d5020b7ce/FLAG2b781e5c9 [2019-08-22 21:44:55,583 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:44:55,584 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list2.i [2019-08-22 21:44:55,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4792bec8f/206b0dd3024f4a67b8d6434d5020b7ce/FLAG2b781e5c9 [2019-08-22 21:44:55,900 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4792bec8f/206b0dd3024f4a67b8d6434d5020b7ce [2019-08-22 21:44:55,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:44:55,910 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:44:55,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:44:55,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:44:55,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:44:55,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:44:55" (1/1) ... [2019-08-22 21:44:55,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e77f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:55, skipping insertion in model container [2019-08-22 21:44:55,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:44:55" (1/1) ... [2019-08-22 21:44:55,926 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:44:55,967 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:44:56,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:44:56,423 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:44:56,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:44:56,540 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:44:56,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:56 WrapperNode [2019-08-22 21:44:56,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:44:56,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:44:56,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:44:56,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:44:56,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:56" (1/1) ... [2019-08-22 21:44:56,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:56" (1/1) ... [2019-08-22 21:44:56,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:56" (1/1) ... [2019-08-22 21:44:56,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:56" (1/1) ... [2019-08-22 21:44:56,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:56" (1/1) ... [2019-08-22 21:44:56,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:56" (1/1) ... [2019-08-22 21:44:56,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:56" (1/1) ... [2019-08-22 21:44:56,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:44:56,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:44:56,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:44:56,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:44:56,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:56" (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 [2019-08-22 21:44:56,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:44:56,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:44:56,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-08-22 21:44:56,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __getMemory [2019-08-22 21:44:56,662 INFO L138 BoogieDeclarations]: Found implementation of procedure my_malloc [2019-08-22 21:44:56,662 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-08-22 21:44:56,662 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-08-22 21:44:56,662 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:44:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:44:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-08-22 21:44:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-08-22 21:44:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-08-22 21:44:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-08-22 21:44:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-08-22 21:44:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-08-22 21:44:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-08-22 21:44:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-08-22 21:44:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-08-22 21:44:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-08-22 21:44:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-08-22 21:44:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-08-22 21:44:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-08-22 21:44:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-08-22 21:44:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-08-22 21:44:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-08-22 21:44:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-08-22 21:44:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-08-22 21:44:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-08-22 21:44:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-08-22 21:44:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-08-22 21:44:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-08-22 21:44:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-08-22 21:44:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-08-22 21:44:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-08-22 21:44:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-08-22 21:44:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-08-22 21:44:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-08-22 21:44:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-08-22 21:44:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-08-22 21:44:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-08-22 21:44:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-08-22 21:44:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-08-22 21:44:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-08-22 21:44:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-08-22 21:44:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-08-22 21:44:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-08-22 21:44:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-08-22 21:44:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-08-22 21:44:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-08-22 21:44:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-08-22 21:44:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-08-22 21:44:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-08-22 21:44:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-08-22 21:44:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-08-22 21:44:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-08-22 21:44:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-08-22 21:44:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-08-22 21:44:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-08-22 21:44:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-08-22 21:44:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-08-22 21:44:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-08-22 21:44:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-08-22 21:44:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-08-22 21:44:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-08-22 21:44:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-08-22 21:44:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-08-22 21:44:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-08-22 21:44:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-08-22 21:44:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-08-22 21:44:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-08-22 21:44:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-08-22 21:44:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-08-22 21:44:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-08-22 21:44:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-08-22 21:44:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-08-22 21:44:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-08-22 21:44:56,674 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-08-22 21:44:56,674 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-08-22 21:44:56,674 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2019-08-22 21:44:56,674 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-08-22 21:44:56,674 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-08-22 21:44:56,674 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-08-22 21:44:56,675 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-08-22 21:44:56,675 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-08-22 21:44:56,675 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-08-22 21:44:56,675 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-08-22 21:44:56,675 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-08-22 21:44:56,675 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-08-22 21:44:56,675 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-08-22 21:44:56,676 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-08-22 21:44:56,676 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-08-22 21:44:56,676 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-08-22 21:44:56,676 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-08-22 21:44:56,676 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-08-22 21:44:56,676 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-08-22 21:44:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-08-22 21:44:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-08-22 21:44:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-08-22 21:44:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-08-22 21:44:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-08-22 21:44:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-08-22 21:44:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-08-22 21:44:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-08-22 21:44:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-08-22 21:44:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-08-22 21:44:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-08-22 21:44:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-08-22 21:44:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-08-22 21:44:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-08-22 21:44:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-08-22 21:44:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-08-22 21:44:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-22 21:44:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-22 21:44:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-22 21:44:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-22 21:44:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-22 21:44:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2019-08-22 21:44:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-22 21:44:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2019-08-22 21:44:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2019-08-22 21:44:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2019-08-22 21:44:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2019-08-22 21:44:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2019-08-22 21:44:56,681 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2019-08-22 21:44:56,681 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2019-08-22 21:44:56,681 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2019-08-22 21:44:56,681 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2019-08-22 21:44:56,681 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2019-08-22 21:44:56,681 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2019-08-22 21:44:56,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 21:44:56,682 INFO L130 BoogieDeclarations]: Found specification of procedure __getMemory [2019-08-22 21:44:56,682 INFO L130 BoogieDeclarations]: Found specification of procedure my_malloc [2019-08-22 21:44:56,682 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-08-22 21:44:56,682 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-08-22 21:44:56,682 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:44:56,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:44:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:44:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-22 21:44:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:44:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-22 21:44:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-22 21:44:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:44:57,177 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:44:57,177 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 21:44:57,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:44:57 BoogieIcfgContainer [2019-08-22 21:44:57,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:44:57,180 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:44:57,180 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:44:57,181 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:44:57,183 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:44:57" (1/1) ... [2019-08-22 21:44:57,201 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:44:57,204 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:44:57,219 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:44:57,229 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:44:57,231 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:44:57,312 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_5|], 3=[|v_#valid_6|]} [2019-08-22 21:44:57,342 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-22 21:44:57,343 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:57,415 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:57,422 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:57,436 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-08-22 21:44:57,437 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:57,547 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-08-22 21:44:57,547 INFO L567 ElimStorePlain]: treesize reduction 4, result has 94.7 percent of original size [2019-08-22 21:44:57,550 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:44:57,550 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:84, output treesize:72 [2019-08-22 21:44:57,600 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 57 [2019-08-22 21:44:57,635 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:57,828 INFO L185 IcfgInterpreter]: Interpreting procedure list_add with input of size 81 [2019-08-22 21:44:57,833 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:57,835 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:57,841 INFO L185 IcfgInterpreter]: Interpreting procedure my_malloc with input of size 75 [2019-08-22 21:44:57,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:57,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:57,860 INFO L185 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 61 [2019-08-22 21:44:57,863 INFO L185 IcfgInterpreter]: Interpreting procedure __getMemory with input of size 74 [2019-08-22 21:44:57,867 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:57,868 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:57,870 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:57,871 INFO L185 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 1 [2019-08-22 21:44:57,873 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:44:57,873 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:44:57,876 INFO L179 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 155#(and (or (and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (<= 0 ~elem~0.offset) (<= ~elem~0.offset 0) (<= 0 |~#head~0.offset|) (<= 0 ~elem~0.base) (<= ~elem~0.base 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0))) (<= |#NULL.base| 0) (or (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (< |~#head~0.base| |#StackHeapBarrier|) (= 0 (select (select |#memory_$Pointer$.base| |~#head~0.base|) (+ |~#head~0.offset| 4))) (<= 0 |#NULL.base|) (= 8 (select |#length| |~#head~0.base|)) (= (select (select |#memory_$Pointer$.base| |~#head~0.base|) |~#head~0.offset|) 0) (= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (or (not (= ~elem~0.offset 0)) (not (= ~elem~0.base 0))) (= 0 (select (select |#memory_$Pointer$.offset| |~#head~0.base|) |~#head~0.offset|)) (or (and (= ~elem~0.base 0) (= ~elem~0.offset 0)) (and (= ~elem~0.base ~guard_malloc_counter~0.base) (= ~elem~0.offset ~guard_malloc_counter~0.offset))) (= ~elem~0.base 0) (= 0 (select |#valid| 0)) (<= |~#head~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| |~#head~0.base|) (+ |~#head~0.offset| 4))) (= |#NULL.offset| 0) (= ~elem~0.offset 0) (= 1 (select |#valid| |~#head~0.base|))) (and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (or (and (<= |#NULL.base| 0) (= ~elem~0.base 0) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (= ~elem~0.offset 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0))) (<= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0))) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-08-22 21:44:57,887 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:44:57,888 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:44:57,890 INFO L168 Benchmark]: Toolchain (without parser) took 1979.03 ms. Allocated memory was 141.0 MB in the beginning and 228.1 MB in the end (delta: 87.0 MB). Free memory was 87.7 MB in the beginning and 186.6 MB in the end (delta: -99.0 MB). Peak memory consumption was 72.7 MB. Max. memory is 7.1 GB. [2019-08-22 21:44:57,891 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:44:57,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.20 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 87.2 MB in the beginning and 164.9 MB in the end (delta: -77.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-08-22 21:44:57,893 INFO L168 Benchmark]: Boogie Preprocessor took 59.43 ms. Allocated memory is still 200.8 MB. Free memory was 164.9 MB in the beginning and 161.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-08-22 21:44:57,893 INFO L168 Benchmark]: RCFGBuilder took 577.79 ms. Allocated memory is still 200.8 MB. Free memory was 161.7 MB in the beginning and 118.0 MB in the end (delta: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 7.1 GB. [2019-08-22 21:44:57,894 INFO L168 Benchmark]: Symbolic Interpretation took 708.08 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 118.0 MB in the beginning and 186.6 MB in the end (delta: -68.6 MB). Peak memory consumption was 43.3 MB. Max. memory is 7.1 GB. [2019-08-22 21:44:57,899 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 155#(and (or (and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (<= 0 ~elem~0.offset) (<= ~elem~0.offset 0) (<= 0 |~#head~0.offset|) (<= 0 ~elem~0.base) (<= ~elem~0.base 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0))) (<= |#NULL.base| 0) (or (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (< |~#head~0.base| |#StackHeapBarrier|) (= 0 (select (select |#memory_$Pointer$.base| |~#head~0.base|) (+ |~#head~0.offset| 4))) (<= 0 |#NULL.base|) (= 8 (select |#length| |~#head~0.base|)) (= (select (select |#memory_$Pointer$.base| |~#head~0.base|) |~#head~0.offset|) 0) (= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (or (not (= ~elem~0.offset 0)) (not (= ~elem~0.base 0))) (= 0 (select (select |#memory_$Pointer$.offset| |~#head~0.base|) |~#head~0.offset|)) (or (and (= ~elem~0.base 0) (= ~elem~0.offset 0)) (and (= ~elem~0.base ~guard_malloc_counter~0.base) (= ~elem~0.offset ~guard_malloc_counter~0.offset))) (= ~elem~0.base 0) (= 0 (select |#valid| 0)) (<= |~#head~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| |~#head~0.base|) (+ |~#head~0.offset| 4))) (= |#NULL.offset| 0) (= ~elem~0.offset 0) (= 1 (select |#valid| |~#head~0.base|))) (and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (or (and (<= |#NULL.base| 0) (= ~elem~0.base 0) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (= ~elem~0.offset 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0))) (<= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0))) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 630.20 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 87.2 MB in the beginning and 164.9 MB in the end (delta: -77.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.43 ms. Allocated memory is still 200.8 MB. Free memory was 164.9 MB in the beginning and 161.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 577.79 ms. Allocated memory is still 200.8 MB. Free memory was 161.7 MB in the beginning and 118.0 MB in the end (delta: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 708.08 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 118.0 MB in the beginning and 186.6 MB in the end (delta: -68.6 MB). Peak memory consumption was 43.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...