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 0.1.24-3b9210c [2019-08-06 16:57:05,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:57:05,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:57:05,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:57:05,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:57:05,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:57:05,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:57:05,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:57:05,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:57:05,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:57:05,198 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:57:05,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:57:05,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:57:05,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:57:05,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:57:05,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:57:05,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:57:05,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:57:05,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:57:05,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:57:05,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:57:05,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:57:05,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:57:05,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:57:05,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:57:05,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:57:05,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:57:05,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:57:05,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:57:05,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:57:05,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:57:05,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:57:05,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:57:05,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:57:05,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:57:05,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:57:05,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:57:05,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:57:05,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:57:05,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:57:05,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:57:05,255 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:57:05,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:57:05,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:57:05,280 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:57:05,281 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:57:05,282 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sanfoundry_24_false-valid-deref.i_4.bpl [2019-08-06 16:57:05,282 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sanfoundry_24_false-valid-deref.i_4.bpl' [2019-08-06 16:57:05,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:57:05,347 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:57:05,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:57:05,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:57:05,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:57:05,374 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 04:57:05" (1/1) ... [2019-08-06 16:57:05,376 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 04:57:05" (1/1) ... [2019-08-06 16:57:05,387 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 04:57:05" (1/1) ... [2019-08-06 16:57:05,390 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 04:57:05" (1/1) ... [2019-08-06 16:57:05,396 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 04:57:05" (1/1) ... [2019-08-06 16:57:05,401 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 04:57:05" (1/1) ... [2019-08-06 16:57:05,402 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 04:57:05" (1/1) ... [2019-08-06 16:57:05,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:57:05,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:57:05,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:57:05,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:57:05,413 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 04:57:05" (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 16:57:05,481 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-06 16:57:05,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:57:05,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:57:05,838 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:57:05,838 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:57:05,840 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 04:57:05 BoogieIcfgContainer [2019-08-06 16:57:05,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:57:05,841 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:57:05,841 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:57:05,841 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:57:05,842 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 04:57:05" (1/1) ... [2019-08-06 16:57:05,865 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:57:05,868 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:57:05,883 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:57:05,898 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:57:05,900 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:57:06,030 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:57:06,031 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:57:06,034 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 16:57:06,035 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:57:06,043 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:57:06,046 INFO L168 Benchmark]: Toolchain (without parser) took 698.66 ms. Allocated memory is still 132.1 MB. Free memory was 108.2 MB in the beginning and 87.9 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:06,048 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 132.1 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-06 16:57:06,049 INFO L168 Benchmark]: Boogie Preprocessor took 56.47 ms. Allocated memory is still 132.1 MB. Free memory was 108.2 MB in the beginning and 106.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:06,050 INFO L168 Benchmark]: RCFGBuilder took 429.49 ms. Allocated memory is still 132.1 MB. Free memory was 106.0 MB in the beginning and 94.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:06,052 INFO L168 Benchmark]: Symbolic Interpretation took 202.80 ms. Allocated memory is still 132.1 MB. Free memory was 94.8 MB in the beginning and 87.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:06,056 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 132.1 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.47 ms. Allocated memory is still 132.1 MB. Free memory was 108.2 MB in the beginning and 106.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 429.49 ms. Allocated memory is still 132.1 MB. Free memory was 106.0 MB in the beginning and 94.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 202.80 ms. Allocated memory is still 132.1 MB. Free memory was 94.8 MB in the beginning and 87.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...