java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sanfoundry_24_false-valid-deref.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-e6f8464 [2019-08-06 14:23:48,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 14:23:48,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 14:23:48,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 14:23:48,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 14:23:48,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 14:23:48,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 14:23:48,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 14:23:48,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 14:23:48,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 14:23:48,908 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 14:23:48,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 14:23:48,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 14:23:48,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 14:23:48,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 14:23:48,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 14:23:48,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 14:23:48,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 14:23:48,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 14:23:48,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 14:23:48,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 14:23:48,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 14:23:48,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 14:23:48,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 14:23:48,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 14:23:48,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 14:23:48,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 14:23:48,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 14:23:48,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 14:23:48,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 14:23:48,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 14:23:48,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 14:23:48,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 14:23:48,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 14:23:48,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 14:23:48,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 14:23:48,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 14:23:48,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 14:23:48,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 14:23:48,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 14:23:48,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 14:23:48,992 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 14:23:49,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 14:23:49,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 14:23:49,013 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 14:23:49,013 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 14:23:49,015 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sanfoundry_24_false-valid-deref.i_4.bpl [2019-08-06 14:23:49,015 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sanfoundry_24_false-valid-deref.i_4.bpl' [2019-08-06 14:23:49,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 14:23:49,066 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 14:23:49,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 14:23:49,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 14:23:49,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 14:23:49,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:23:49" (1/1) ... [2019-08-06 14:23:49,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:23:49" (1/1) ... [2019-08-06 14:23:49,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:23:49" (1/1) ... [2019-08-06 14:23:49,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:23:49" (1/1) ... [2019-08-06 14:23:49,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:23:49" (1/1) ... [2019-08-06 14:23:49,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:23:49" (1/1) ... [2019-08-06 14:23:49,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:23:49" (1/1) ... [2019-08-06 14:23:49,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 14:23:49,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 14:23:49,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 14:23:49,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 14:23:49,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:23:49" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-06 14:23:49,194 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-06 14:23:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 14:23:49,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 14:23:49,405 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 14:23:49,406 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 14:23:49,407 INFO L202 PluginConnector]: Adding new model sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:23:49 BoogieIcfgContainer [2019-08-06 14:23:49,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 14:23:49,409 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 14:23:49,410 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 14:23:49,410 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 14:23:49,411 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:23:49" (1/1) ... [2019-08-06 14:23:49,423 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 14:23:49,426 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 14:23:49,439 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 14:23:49,455 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 14:23:49,456 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 14:23:49,574 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 14:23:49,574 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 14:23:49,577 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 27#(and (= 1 (select |#valid| |ULTIMATE.start_main_~#array~0.base|)) (<= 4 (+ |ULTIMATE.start_main_~#array~0.offset| (* 4 ULTIMATE.start_main_~i~0))) (= |ULTIMATE.start_main_~#array~0.base| |ULTIMATE.start_read~int_#ptr.base|) (<= (+ |ULTIMATE.start_main_~#array~0.offset| (* 4 ULTIMATE.start_main_~i~0)) (select |#length| |ULTIMATE.start_main_~#array~0.base|)) (< ULTIMATE.start_main_~i~0 (+ ULTIMATE.start_main_~num~0 1)) (or (not (<= (+ |ULTIMATE.start_read~int_#sizeOfReadType| |ULTIMATE.start_read~int_#ptr.offset|) (select |#length| |ULTIMATE.start_read~int_#ptr.base|))) (not (<= 0 |ULTIMATE.start_read~int_#ptr.offset|))) (= 1 (select |#valid| |ULTIMATE.start_read~int_#ptr.base|)) (= |ULTIMATE.start_read~int_#sizeOfReadType| 4) (= |ULTIMATE.start_read~int_#value| (select (select |#memory_int| |ULTIMATE.start_main_~#array~0.base|) (+ |ULTIMATE.start_main_~#array~0.offset| (* 4 ULTIMATE.start_main_~i~0) (- 4)))) (= |ULTIMATE.start_read~int_#ptr.offset| (+ |ULTIMATE.start_main_~#array~0.offset| (* 4 ULTIMATE.start_main_~i~0))) (not (= (ite (and (< |ULTIMATE.start_read~int_#value| 0) (not (= 0 (mod |ULTIMATE.start_read~int_#value| 2)))) (+ (mod |ULTIMATE.start_read~int_#value| 2) (- 2)) (mod |ULTIMATE.start_read~int_#value| 2)) 0)) (< ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~num~0)) [2019-08-06 14:23:49,578 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 14:23:49,586 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 14:23:49,591 INFO L168 Benchmark]: Toolchain (without parser) took 521.98 ms. Allocated memory is still 133.2 MB. Free memory was 105.9 MB in the beginning and 85.6 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-08-06 14:23:49,593 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 14:23:49,595 INFO L168 Benchmark]: Boogie Preprocessor took 52.81 ms. Allocated memory is still 133.2 MB. Free memory was 105.9 MB in the beginning and 103.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 14:23:49,596 INFO L168 Benchmark]: RCFGBuilder took 282.77 ms. Allocated memory is still 133.2 MB. Free memory was 103.7 MB in the beginning and 92.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-06 14:23:49,597 INFO L168 Benchmark]: Symbolic Interpretation took 177.16 ms. Allocated memory is still 133.2 MB. Free memory was 92.4 MB in the beginning and 85.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. [2019-08-06 14:23:49,603 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 83]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.81 ms. Allocated memory is still 133.2 MB. Free memory was 105.9 MB in the beginning and 103.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 282.77 ms. Allocated memory is still 133.2 MB. Free memory was 103.7 MB in the beginning and 92.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 177.16 ms. Allocated memory is still 133.2 MB. Free memory was 92.4 MB in the beginning and 85.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...