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 0.1.24-4ddfff8 [2019-08-09 14:17:21,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:17:21,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:17:22,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:17:22,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:17:22,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:17:22,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:17:22,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:17:22,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:17:22,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:17:22,019 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:17:22,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:17:22,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:17:22,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:17:22,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:17:22,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:17:22,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:17:22,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:17:22,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:17:22,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:17:22,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:17:22,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:17:22,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:17:22,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:17:22,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:17:22,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:17:22,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:17:22,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:17:22,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:17:22,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:17:22,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:17:22,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:17:22,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:17:22,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:17:22,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:17:22,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:17:22,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:17:22,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:17:22,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:17:22,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:17:22,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:17:22,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:17:22,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:17:22,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:17:22,087 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:17:22,087 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:17:22,088 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis_unsafe_false-valid-deref.i_10.bpl [2019-08-09 14:17:22,088 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis_unsafe_false-valid-deref.i_10.bpl' [2019-08-09 14:17:22,134 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:17:22,136 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:17:22,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:17:22,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:17:22,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:17:22,160 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 09.08 02:17:22" (1/1) ... [2019-08-09 14:17:22,162 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 09.08 02:17:22" (1/1) ... [2019-08-09 14:17:22,175 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 09.08 02:17:22" (1/1) ... [2019-08-09 14:17:22,176 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 09.08 02:17:22" (1/1) ... [2019-08-09 14:17:22,188 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 09.08 02:17:22" (1/1) ... [2019-08-09 14:17:22,191 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 09.08 02:17:22" (1/1) ... [2019-08-09 14:17:22,198 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 09.08 02:17:22" (1/1) ... [2019-08-09 14:17:22,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:17:22,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:17:22,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:17:22,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:17:22,206 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 09.08 02:17:22" (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 [2019-08-09 14:17:22,292 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:17:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:17:22,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:17:22,548 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:17:22,548 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:17:22,549 INFO L202 PluginConnector]: Adding new model lis_unsafe_false-valid-deref.i_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:17:22 BoogieIcfgContainer [2019-08-09 14:17:22,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:17:22,550 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:17:22,550 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:17:22,550 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:17:22,551 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 09.08 02:17:22" (1/1) ... [2019-08-09 14:17:22,966 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-09 14:17:23,271 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-08-09 14:17:23,633 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 97 [2019-08-09 14:17:24,463 WARN L188 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-08-09 14:17:25,394 WARN L188 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 112 [2019-08-09 14:17:26,195 WARN L188 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2019-08-09 14:17:26,280 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:17:26,287 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:17:26,290 INFO L168 Benchmark]: Toolchain (without parser) took 4153.66 ms. Allocated memory was 138.9 MB in the beginning and 240.6 MB in the end (delta: 101.7 MB). Free memory was 107.3 MB in the beginning and 93.1 MB in the end (delta: 14.2 MB). Peak memory consumption was 142.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:26,291 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:17:26,291 INFO L168 Benchmark]: Boogie Preprocessor took 66.12 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 105.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:26,292 INFO L168 Benchmark]: RCFGBuilder took 345.42 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 92.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:26,293 INFO L168 Benchmark]: Symbolic Interpretation took 3737.52 ms. Allocated memory was 138.9 MB in the beginning and 240.6 MB in the end (delta: 101.7 MB). Free memory was 92.0 MB in the beginning and 93.1 MB in the end (delta: -1.2 MB). Peak memory consumption was 127.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:26,297 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. Predicate is 28#(and (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |#NULL.base| 0) (= (+ (* 4 ULTIMATE.start_lis_~i~0) ULTIMATE.start_lis_~best~0.offset) |ULTIMATE.start_write~int_#ptr.offset|) (= (select |#valid| |ULTIMATE.start_write~int_#ptr.base|) 1) (= |ULTIMATE.start_write~int_#value| 1) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0) (= |ULTIMATE.start_write~int_old_#memory_int| |#memory_int|) (= |ULTIMATE.start_write~int_#ptr.base| ULTIMATE.start_lis_~best~0.base) (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|)))) (< ULTIMATE.start_lis_~i~0 ULTIMATE.start_lis_~N) (= |ULTIMATE.start_lis_#t~malloc2.offset| 0) (= ULTIMATE.start_lis_~max~0 0) (= |#NULL.offset| 0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.12 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 105.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 345.42 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 92.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3737.52 ms. Allocated memory was 138.9 MB in the beginning and 240.6 MB in the end (delta: 101.7 MB). Free memory was 92.0 MB in the beginning and 93.1 MB in the end (delta: -1.2 MB). Peak memory consumption was 127.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...