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/lis_unsafe_false-valid-deref.i_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:56:37,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:56:37,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:56:37,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:56:37,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:56:37,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:56:37,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:56:37,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:56:37,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:56:37,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:56:37,390 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:56:37,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:56:37,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:56:37,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:56:37,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:56:37,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:56:37,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:56:37,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:56:37,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:56:37,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:56:37,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:56:37,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:56:37,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:56:37,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:56:37,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:56:37,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:56:37,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:56:37,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:56:37,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:56:37,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:56:37,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:56:37,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:56:37,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:56:37,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:56:37,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:56:37,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:56:37,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:56:37,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:56:37,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:56:37,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:56:37,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:56:37,449 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:56:37,462 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:56:37,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:56:37,466 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:56:37,467 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:56:37,468 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis_unsafe_false-valid-deref.i_13.bpl [2019-08-06 16:56:37,468 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis_unsafe_false-valid-deref.i_13.bpl' [2019-08-06 16:56:37,519 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:56:37,523 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:56:37,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:56:37,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:56:37,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:56:37,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:37" (1/1) ... [2019-08-06 16:56:37,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:37" (1/1) ... [2019-08-06 16:56:37,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:37" (1/1) ... [2019-08-06 16:56:37,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:37" (1/1) ... [2019-08-06 16:56:37,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:37" (1/1) ... [2019-08-06 16:56:37,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:37" (1/1) ... [2019-08-06 16:56:37,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:37" (1/1) ... [2019-08-06 16:56:37,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:56:37,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:56:37,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:56:37,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:56:37,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "lis_unsafe_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:37" (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 16:56:37,660 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-06 16:56:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:56:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:56:38,104 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:56:38,104 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:56:38,106 INFO L202 PluginConnector]: Adding new model lis_unsafe_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:56:38 BoogieIcfgContainer [2019-08-06 16:56:38,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:56:38,107 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:56:38,112 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:56:38,113 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:56:38,114 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "lis_unsafe_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:56:38" (1/1) ... [2019-08-06 16:56:38,126 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:56:38,128 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:56:38,135 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:56:38,144 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:56:38,146 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:56:38,335 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:56:38,336 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:56:38,339 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 35#(and (or (and (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= (select |#valid| |ULTIMATE.start_write~int_#ptr.base|) 1) (< |ULTIMATE.start_write~int_#value| ULTIMATE.start_lis_~N) (= 1 (select |#valid| ULTIMATE.start_lis_~best~0.base)) (<= (+ (* 4 |ULTIMATE.start_write~int_#value|) ULTIMATE.start_lis_~best~0.offset 4) (select |#length| ULTIMATE.start_lis_~best~0.base)) (<= ULTIMATE.start_lis_~N 1) (= (store |ULTIMATE.start_write~int_old_#memory_int| |ULTIMATE.start_write~int_#ptr.base| (store (select |ULTIMATE.start_write~int_old_#memory_int| |ULTIMATE.start_write~int_#ptr.base|) |ULTIMATE.start_write~int_#ptr.offset| |ULTIMATE.start_write~int_#value|)) |#memory_int|) (= (+ (* 4 |ULTIMATE.start_write~int_#value|) ULTIMATE.start_lis_~prev~0.offset) |ULTIMATE.start_write~int_#ptr.offset|) (<= ULTIMATE.start_lis_~N (+ |ULTIMATE.start_write~int_#value| 1)) (<= (+ |ULTIMATE.start_write~int_#sizeOfWrittenType| |ULTIMATE.start_write~int_#ptr.offset|) (select |#length| |ULTIMATE.start_write~int_#ptr.base|)) (<= 0 ULTIMATE.start_lis_~best~0.offset) (<= (+ ULTIMATE.start_lis_~best~0.offset 4) (select |#length| ULTIMATE.start_lis_~best~0.base)) (< 0 ULTIMATE.start_lis_~N) (exists ((|v_#memory_int_7| (Array Int (Array Int Int)))) (= (store |v_#memory_int_7| ULTIMATE.start_lis_~best~0.base (store (select |v_#memory_int_7| ULTIMATE.start_lis_~best~0.base) (+ (* 4 |ULTIMATE.start_write~int_#value|) ULTIMATE.start_lis_~best~0.offset) 1)) |ULTIMATE.start_write~int_old_#memory_int|)) (<= (select (select |#memory_int| ULTIMATE.start_lis_~best~0.base) ULTIMATE.start_lis_~best~0.offset) ULTIMATE.start_lis_~max~0) (= ULTIMATE.start_lis_~prev~0.base |ULTIMATE.start_write~int_#ptr.base|) (= 1 (+ ULTIMATE.start_lis_~i~0 (- 1))) (<= 0 (+ (* 4 |ULTIMATE.start_write~int_#value|) ULTIMATE.start_lis_~best~0.offset)) (<= 0 |ULTIMATE.start_write~int_#ptr.offset|)) (and (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= 0 (+ ULTIMATE.start_lis_~i~0 (- 1))) (< |ULTIMATE.start_write~int_#value| ULTIMATE.start_lis_~N) (= (select |#valid| |ULTIMATE.start_write~int_#ptr.base|) 1) (= 1 (select |#valid| ULTIMATE.start_lis_~best~0.base)) (<= (+ (* 4 |ULTIMATE.start_write~int_#value|) ULTIMATE.start_lis_~best~0.offset 4) (select |#length| ULTIMATE.start_lis_~best~0.base)) (<= ULTIMATE.start_lis_~N 1) (= (store |ULTIMATE.start_write~int_old_#memory_int| |ULTIMATE.start_write~int_#ptr.base| (store (select |ULTIMATE.start_write~int_old_#memory_int| |ULTIMATE.start_write~int_#ptr.base|) |ULTIMATE.start_write~int_#ptr.offset| |ULTIMATE.start_write~int_#value|)) |#memory_int|) (= (+ (* 4 |ULTIMATE.start_write~int_#value|) ULTIMATE.start_lis_~prev~0.offset) |ULTIMATE.start_write~int_#ptr.offset|) (<= ULTIMATE.start_lis_~N (+ |ULTIMATE.start_write~int_#value| 1)) (<= (+ |ULTIMATE.start_write~int_#sizeOfWrittenType| |ULTIMATE.start_write~int_#ptr.offset|) (select |#length| |ULTIMATE.start_write~int_#ptr.base|)) (exists ((|v_#memory_int_7| (Array Int (Array Int Int)))) (= (store |v_#memory_int_7| ULTIMATE.start_lis_~best~0.base (store (select |v_#memory_int_7| ULTIMATE.start_lis_~best~0.base) (+ (* 4 |ULTIMATE.start_write~int_#value|) ULTIMATE.start_lis_~best~0.offset) 1)) |ULTIMATE.start_write~int_old_#memory_int|)) (= ULTIMATE.start_lis_~prev~0.base |ULTIMATE.start_write~int_#ptr.base|) (<= 0 (+ (* 4 |ULTIMATE.start_write~int_#value|) ULTIMATE.start_lis_~best~0.offset)) (<= 0 |ULTIMATE.start_write~int_#ptr.offset|))) (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_lis_~best~0.base)) (= 1 (select |#valid| |ULTIMATE.start_read~int_#ptr.base|)) (< ULTIMATE.start_lis_~i~0 (+ ULTIMATE.start_lis_~N 1)) (= |ULTIMATE.start_read~int_#ptr.offset| (+ (* 4 ULTIMATE.start_lis_~i~0) ULTIMATE.start_lis_~best~0.offset)) (< ULTIMATE.start_lis_~i~0 ULTIMATE.start_lis_~N) (= |ULTIMATE.start_read~int_#ptr.base| ULTIMATE.start_lis_~best~0.base) (= (select (select |#memory_int| ULTIMATE.start_lis_~best~0.base) (+ (* 4 ULTIMATE.start_lis_~i~0) ULTIMATE.start_lis_~best~0.offset (- 4))) |ULTIMATE.start_read~int_#value|) (<= (+ (* 4 ULTIMATE.start_lis_~i~0) ULTIMATE.start_lis_~best~0.offset) (select |#length| ULTIMATE.start_lis_~best~0.base)) (= |ULTIMATE.start_read~int_#sizeOfReadType| 4) (<= |ULTIMATE.start_read~int_#value| ULTIMATE.start_lis_~max~0) (<= 4 (+ (* 4 ULTIMATE.start_lis_~i~0) ULTIMATE.start_lis_~best~0.offset))) [2019-08-06 16:56:38,342 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:56:38,350 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:56:38,353 INFO L168 Benchmark]: Toolchain (without parser) took 831.14 ms. Allocated memory is still 133.2 MB. Free memory was 109.2 MB in the beginning and 83.4 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:38,355 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-06 16:56:38,356 INFO L168 Benchmark]: Boogie Preprocessor took 65.54 ms. Allocated memory is still 133.2 MB. Free memory was 109.2 MB in the beginning and 106.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:38,357 INFO L168 Benchmark]: RCFGBuilder took 516.73 ms. Allocated memory is still 133.2 MB. Free memory was 106.9 MB in the beginning and 93.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:38,358 INFO L168 Benchmark]: Symbolic Interpretation took 243.12 ms. Allocated memory is still 133.2 MB. Free memory was 93.0 MB in the beginning and 83.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:38,363 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 166]: 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 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.54 ms. Allocated memory is still 133.2 MB. Free memory was 109.2 MB in the beginning and 106.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 516.73 ms. Allocated memory is still 133.2 MB. Free memory was 106.9 MB in the beginning and 93.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 243.12 ms. Allocated memory is still 133.2 MB. Free memory was 93.0 MB in the beginning and 83.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...