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_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:14:12,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:14:12,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:14:12,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:14:12,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:14:12,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:14:12,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:14:12,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:14:12,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:14:12,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:14:12,524 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:14:12,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:14:12,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:14:12,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:14:12,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:14:12,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:14:12,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:14:12,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:14:12,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:14:12,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:14:12,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:14:12,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:14:12,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:14:12,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:14:12,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:14:12,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:14:12,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:14:12,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:14:12,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:14:12,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:14:12,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:14:12,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:14:12,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:14:12,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:14:12,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:14:12,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:14:12,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:14:12,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:14:12,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:14:12,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:14:12,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:14:12,586 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:14:12,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:14:12,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:14:12,605 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:14:12,605 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:14:12,606 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis_unsafe_false-valid-deref.i_10.bpl [2019-08-05 18:14:12,606 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis_unsafe_false-valid-deref.i_10.bpl' [2019-08-05 18:14:12,657 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:14:12,659 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:14:12,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:14:12,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:14:12,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:14:12,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:12" (1/1) ... [2019-08-05 18:14:12,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:12" (1/1) ... [2019-08-05 18:14:12,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:12" (1/1) ... [2019-08-05 18:14:12,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:12" (1/1) ... [2019-08-05 18:14:12,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:12" (1/1) ... [2019-08-05 18:14:12,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:12" (1/1) ... [2019-08-05 18:14:12,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:12" (1/1) ... [2019-08-05 18:14:12,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:14:12,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:14:12,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:14:12,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:14:12,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "lis_unsafe_false-valid-deref.i_10.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 18:14:12,813 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 18:14:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:14:12,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:14:13,162 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:14:13,162 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:14:13,164 INFO L202 PluginConnector]: Adding new model lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:14:13 BoogieIcfgContainer [2019-08-05 18:14:13,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:14:13,165 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:14:13,165 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:14:13,171 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:14:13,172 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:14:13" (1/1) ... [2019-08-05 18:14:13,205 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:14:13,213 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:14:13,225 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:14:13,235 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:14:13,238 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:14:13,400 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:14:13,401 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:14:13,404 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 27#(and (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= (+ (* 4 ULTIMATE.start_lis_~i~0) ULTIMATE.start_lis_~best~0.offset) |ULTIMATE.start_write~int_#ptr.offset|) (<= (+ (* 4 ULTIMATE.start_lis_~i~0) ULTIMATE.start_lis_~prev~0.offset) (select |#length| ULTIMATE.start_lis_~prev~0.base)) (= (select |#valid| |ULTIMATE.start_write~int_#ptr.base|) 1) (= |ULTIMATE.start_write~int_#value| 1) (= 1 (select |#valid| ULTIMATE.start_lis_~best~0.base)) (< ULTIMATE.start_lis_~i~0 (+ ULTIMATE.start_lis_~N 1)) (= |ULTIMATE.start_write~int_old_#memory_int| |#memory_int|) (= |ULTIMATE.start_write~int_#ptr.base| ULTIMATE.start_lis_~best~0.base) (= (select |#valid| ULTIMATE.start_lis_~prev~0.base) 1) (or (not (<= 0 |ULTIMATE.start_write~int_#ptr.offset|)) (not (<= (+ |ULTIMATE.start_write~int_#sizeOfWrittenType| |ULTIMATE.start_write~int_#ptr.offset|) (select |#length| |ULTIMATE.start_write~int_#ptr.base|)))) (exists ((|v_ULTIMATE.start_write~int_old_#memory_int_8| (Array Int (Array Int Int)))) (and (= (store |v_ULTIMATE.start_write~int_old_#memory_int_8| ULTIMATE.start_lis_~prev~0.base (store (select |v_ULTIMATE.start_write~int_old_#memory_int_8| ULTIMATE.start_lis_~prev~0.base) (+ (* 4 ULTIMATE.start_lis_~i~0) ULTIMATE.start_lis_~prev~0.offset (- 4)) (+ ULTIMATE.start_lis_~i~0 (- 1)))) |#memory_int|) (exists ((|v_#memory_int_6| (Array Int (Array Int Int)))) (= |v_ULTIMATE.start_write~int_old_#memory_int_8| (store |v_#memory_int_6| ULTIMATE.start_lis_~best~0.base (store (select |v_#memory_int_6| ULTIMATE.start_lis_~best~0.base) (+ (* 4 ULTIMATE.start_lis_~i~0) ULTIMATE.start_lis_~best~0.offset (- 4)) 1)))))) (< ULTIMATE.start_lis_~i~0 ULTIMATE.start_lis_~N) (<= (+ (* 4 ULTIMATE.start_lis_~i~0) ULTIMATE.start_lis_~best~0.offset) (select |#length| ULTIMATE.start_lis_~best~0.base)) (<= 4 (+ (* 4 ULTIMATE.start_lis_~i~0) ULTIMATE.start_lis_~prev~0.offset)) (<= 4 (+ (* 4 ULTIMATE.start_lis_~i~0) ULTIMATE.start_lis_~best~0.offset))) [2019-08-05 18:14:13,406 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:14:13,413 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:14:13,416 INFO L168 Benchmark]: Toolchain (without parser) took 756.20 ms. Allocated memory is still 132.1 MB. Free memory was 108.0 MB in the beginning and 83.7 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:14:13,418 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory was 109.7 MB in the beginning and 109.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:14:13,419 INFO L168 Benchmark]: Boogie Preprocessor took 72.16 ms. Allocated memory is still 132.1 MB. Free memory was 108.0 MB in the beginning and 105.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:14:13,420 INFO L168 Benchmark]: RCFGBuilder took 431.65 ms. Allocated memory is still 132.1 MB. Free memory was 105.8 MB in the beginning and 92.7 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:14:13,421 INFO L168 Benchmark]: Symbolic Interpretation took 248.78 ms. Allocated memory is still 132.1 MB. Free memory was 92.7 MB in the beginning and 83.9 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:14:13,425 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 136]: 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 0.23 ms. Allocated memory is still 132.1 MB. Free memory was 109.7 MB in the beginning and 109.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 72.16 ms. Allocated memory is still 132.1 MB. Free memory was 108.0 MB in the beginning and 105.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 431.65 ms. Allocated memory is still 132.1 MB. Free memory was 105.8 MB in the beginning and 92.7 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 248.78 ms. Allocated memory is still 132.1 MB. Free memory was 92.7 MB in the beginning and 83.9 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...