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-b03553c [2019-08-05 18:14:12,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:14:12,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:14:12,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:14:12,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:14:12,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:14:12,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:14:12,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:14:12,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:14:12,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:14:12,649 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:14:12,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:14:12,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:14:12,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:14:12,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:14:12,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:14:12,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:14:12,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:14:12,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:14:12,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:14:12,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:14:12,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:14:12,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:14:12,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:14:12,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:14:12,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:14:12,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:14:12,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:14:12,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:14:12,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:14:12,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:14:12,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:14:12,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:14:12,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:14:12,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:14:12,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:14:12,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:14:12,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:14:12,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:14:12,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:14:12,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:14:12,721 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:14:12,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:14:12,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:14:12,738 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:14:12,739 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:14:12,739 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sanfoundry_24_false-valid-deref.i_4.bpl [2019-08-05 18:14:12,740 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sanfoundry_24_false-valid-deref.i_4.bpl' [2019-08-05 18:14:12,788 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:14:12,789 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:14:12,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:14:12,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:14:12,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:14:12,815 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 05.08 06:14:12" (1/1) ... [2019-08-05 18:14:12,816 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 05.08 06:14:12" (1/1) ... [2019-08-05 18:14:12,828 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 05.08 06:14:12" (1/1) ... [2019-08-05 18:14:12,828 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 05.08 06:14:12" (1/1) ... [2019-08-05 18:14:12,834 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 05.08 06:14:12" (1/1) ... [2019-08-05 18:14:12,838 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 05.08 06:14:12" (1/1) ... [2019-08-05 18:14:12,839 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 05.08 06:14:12" (1/1) ... [2019-08-05 18:14:12,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:14:12,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:14:12,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:14:12,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:14:12,849 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 05.08 06:14:12" (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 [2019-08-05 18:14:12,923 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 18:14:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:14:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:14:13,199 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:14:13,200 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:14:13,201 INFO L202 PluginConnector]: Adding new model sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:14:13 BoogieIcfgContainer [2019-08-05 18:14:13,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:14:13,201 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:14:13,202 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:14:13,202 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:14:13,203 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 05.08 06:14:13" (1/1) ... [2019-08-05 18:14:13,216 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:14:13,218 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:14:13,225 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:14:13,233 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:14:13,235 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:14:13,367 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:14:13,367 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:14:13,371 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)) [2019-08-05 18:14:13,373 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:14:13,381 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:14:13,384 INFO L168 Benchmark]: Toolchain (without parser) took 594.25 ms. Allocated memory is still 131.6 MB. Free memory was 107.8 MB in the beginning and 87.5 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:14:13,387 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 131.6 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 18:14:13,388 INFO L168 Benchmark]: Boogie Preprocessor took 53.43 ms. Allocated memory is still 131.6 MB. Free memory was 107.8 MB in the beginning and 105.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:14:13,391 INFO L168 Benchmark]: RCFGBuilder took 357.40 ms. Allocated memory is still 131.6 MB. Free memory was 105.4 MB in the beginning and 94.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:14:13,393 INFO L168 Benchmark]: Symbolic Interpretation took 180.19 ms. Allocated memory is still 131.6 MB. Free memory was 94.3 MB in the beginning and 87.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. [2019-08-05 18:14:13,399 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 0.24 ms. Allocated memory is still 131.6 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.43 ms. Allocated memory is still 131.6 MB. Free memory was 107.8 MB in the beginning and 105.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 357.40 ms. Allocated memory is still 131.6 MB. Free memory was 105.4 MB in the beginning and 94.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 180.19 ms. Allocated memory is still 131.6 MB. Free memory was 94.3 MB in the beginning and 87.7 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...