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/sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:56:36,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:56:36,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:56:36,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:56:36,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:56:36,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:56:36,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:56:36,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:56:36,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:56:36,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:56:36,029 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:56:36,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:56:36,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:56:36,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:56:36,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:56:36,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:56:36,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:56:36,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:56:36,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:56:36,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:56:36,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:56:36,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:56:36,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:56:36,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:56:36,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:56:36,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:56:36,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:56:36,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:56:36,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:56:36,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:56:36,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:56:36,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:56:36,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:56:36,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:56:36,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:56:36,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:56:36,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:56:36,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:56:36,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:56:36,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:56:36,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:56:36,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:56:36,117 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:56:36,120 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:56:36,122 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:56:36,123 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:56:36,125 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl [2019-08-06 16:56:36,125 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl' [2019-08-06 16:56:36,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:56:36,218 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:56:36,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:56:36,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:56:36,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:56:36,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:36" (1/1) ... [2019-08-06 16:56:36,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:36" (1/1) ... [2019-08-06 16:56:36,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:36" (1/1) ... [2019-08-06 16:56:36,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:36" (1/1) ... [2019-08-06 16:56:36,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:36" (1/1) ... [2019-08-06 16:56:36,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:36" (1/1) ... [2019-08-06 16:56:36,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:36" (1/1) ... [2019-08-06 16:56:36,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:56:36,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:56:36,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:56:36,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:56:36,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:36" (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 16:56:36,395 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-06 16:56:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:56:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:56:37,335 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:56:37,335 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:56:37,336 INFO L202 PluginConnector]: Adding new model sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:56:37 BoogieIcfgContainer [2019-08-06 16:56:37,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:56:37,337 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:56:37,337 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:56:37,338 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:56:37,339 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:56:37" (1/1) ... [2019-08-06 16:56:37,355 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:56:37,361 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:56:37,372 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:56:37,380 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:56:37,382 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:56:37,552 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:56:37,552 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:56:37,555 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 56#(not (= 1 (select |#valid| |ULTIMATE.start_read~$Pointer$_#ptr.base|))) [2019-08-06 16:56:37,556 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:56:37,564 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:56:37,567 INFO L168 Benchmark]: Toolchain (without parser) took 1348.74 ms. Allocated memory was 140.5 MB in the beginning and 177.7 MB in the end (delta: 37.2 MB). Free memory was 106.9 MB in the beginning and 114.0 MB in the end (delta: -7.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:37,569 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.30 ms. Allocated memory is still 140.5 MB. Free memory was 110.0 MB in the beginning and 109.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:56:37,570 INFO L168 Benchmark]: Boogie Preprocessor took 99.64 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 103.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:37,571 INFO L168 Benchmark]: RCFGBuilder took 1017.76 ms. Allocated memory was 140.5 MB in the beginning and 177.7 MB in the end (delta: 37.2 MB). Free memory was 103.7 MB in the beginning and 128.0 MB in the end (delta: -24.4 MB). Peak memory consumption was 49.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:37,572 INFO L168 Benchmark]: Symbolic Interpretation took 226.85 ms. Allocated memory is still 177.7 MB. Free memory was 128.0 MB in the beginning and 114.0 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:37,576 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 483]: 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 0.30 ms. Allocated memory is still 140.5 MB. Free memory was 110.0 MB in the beginning and 109.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.64 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 103.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1017.76 ms. Allocated memory was 140.5 MB in the beginning and 177.7 MB in the end (delta: 37.2 MB). Free memory was 103.7 MB in the beginning and 128.0 MB in the end (delta: -24.4 MB). Peak memory consumption was 49.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 226.85 ms. Allocated memory is still 177.7 MB. Free memory was 128.0 MB in the beginning and 114.0 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...