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 0.1.24-3b9210c [2019-08-06 16:57:03,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:57:03,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:57:03,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:57:03,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:57:03,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:57:03,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:57:03,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:57:03,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:57:03,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:57:03,616 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:57:03,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:57:03,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:57:03,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:57:03,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:57:03,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:57:03,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:57:03,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:57:03,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:57:03,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:57:03,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:57:03,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:57:03,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:57:03,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:57:03,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:57:03,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:57:03,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:57:03,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:57:03,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:57:03,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:57:03,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:57:03,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:57:03,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:57:03,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:57:03,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:57:03,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:57:03,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:57:03,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:57:03,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:57:03,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:57:03,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:57:03,706 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:57:03,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:57:03,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:57:03,731 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:57:03,732 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:57:03,732 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis_unsafe_false-valid-deref.i_10.bpl [2019-08-06 16:57:03,733 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis_unsafe_false-valid-deref.i_10.bpl' [2019-08-06 16:57:03,799 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:57:03,801 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:57:03,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:57:03,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:57:03,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:57:03,828 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 06.08 04:57:03" (1/1) ... [2019-08-06 16:57:03,830 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 06.08 04:57:03" (1/1) ... [2019-08-06 16:57:03,847 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 06.08 04:57:03" (1/1) ... [2019-08-06 16:57:03,847 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 06.08 04:57:03" (1/1) ... [2019-08-06 16:57:03,855 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 06.08 04:57:03" (1/1) ... [2019-08-06 16:57:03,862 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 06.08 04:57:03" (1/1) ... [2019-08-06 16:57:03,863 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 06.08 04:57:03" (1/1) ... [2019-08-06 16:57:03,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:57:03,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:57:03,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:57:03,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:57:03,873 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 06.08 04:57:03" (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 16:57:03,947 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-06 16:57:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:57:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:57:04,179 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:57:04,180 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:57:04,181 INFO L202 PluginConnector]: Adding new model lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:57:04 BoogieIcfgContainer [2019-08-06 16:57:04,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:57:04,182 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:57:04,182 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:57:04,182 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:57:04,183 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 06.08 04:57:04" (1/1) ... [2019-08-06 16:57:04,195 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:57:04,198 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:57:04,205 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:57:04,213 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:57:04,215 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:57:04,390 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:57:04,391 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:57:04,394 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))) [2019-08-06 16:57:04,396 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:57:04,403 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:57:04,406 INFO L168 Benchmark]: Toolchain (without parser) took 604.38 ms. Allocated memory is still 130.5 MB. Free memory was 106.6 MB in the beginning and 82.2 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:04,408 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 130.5 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:57:04,409 INFO L168 Benchmark]: Boogie Preprocessor took 69.24 ms. Allocated memory is still 130.5 MB. Free memory was 106.6 MB in the beginning and 104.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:04,410 INFO L168 Benchmark]: RCFGBuilder took 309.92 ms. Allocated memory is still 130.5 MB. Free memory was 104.4 MB in the beginning and 91.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:04,412 INFO L168 Benchmark]: Symbolic Interpretation took 221.63 ms. Allocated memory is still 130.5 MB. Free memory was 91.2 MB in the beginning and 82.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:04,416 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 0.22 ms. Allocated memory is still 130.5 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.24 ms. Allocated memory is still 130.5 MB. Free memory was 106.6 MB in the beginning and 104.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 309.92 ms. Allocated memory is still 130.5 MB. Free memory was 104.4 MB in the beginning and 91.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 221.63 ms. Allocated memory is still 130.5 MB. Free memory was 91.2 MB in the beginning and 82.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...