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/BoogiePL/sifa/01-straight.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:46:58,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:46:58,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:46:58,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:46:58,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:46:58,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:46:58,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:46:58,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:46:58,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:46:58,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:46:58,887 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:46:58,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:46:58,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:46:58,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:46:58,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:46:58,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:46:58,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:46:58,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:46:58,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:46:58,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:46:58,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:46:58,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:46:58,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:46:58,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:46:58,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:46:58,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:46:58,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:46:58,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:46:58,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:46:58,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:46:58,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:46:58,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:46:58,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:46:58,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:46:58,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:46:58,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:46:58,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:46:58,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:46:58,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:46:58,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:46:58,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:46:58,941 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:46:58,953 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:46:58,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:46:58,958 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:46:58,958 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:46:58,959 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/sifa/01-straight.bpl [2019-08-06 16:46:58,960 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/sifa/01-straight.bpl' [2019-08-06 16:46:58,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:46:58,992 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:46:58,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:46:58,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:46:58,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:46:59,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "01-straight.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:58" (1/1) ... [2019-08-06 16:46:59,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "01-straight.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:58" (1/1) ... [2019-08-06 16:46:59,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "01-straight.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:58" (1/1) ... [2019-08-06 16:46:59,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "01-straight.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:58" (1/1) ... [2019-08-06 16:46:59,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "01-straight.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:58" (1/1) ... [2019-08-06 16:46:59,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "01-straight.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:58" (1/1) ... [2019-08-06 16:46:59,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "01-straight.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:58" (1/1) ... [2019-08-06 16:46:59,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:46:59,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:46:59,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:46:59,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:46:59,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "01-straight.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:58" (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 16:46:59,108 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:46:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:46:59,109 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:46:59,109 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sub given in one single declaration [2019-08-06 16:46:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure sub [2019-08-06 16:46:59,109 INFO L138 BoogieDeclarations]: Found implementation of procedure sub [2019-08-06 16:46:59,419 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:46:59,419 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:46:59,420 INFO L202 PluginConnector]: Adding new model 01-straight.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:46:59 BoogieIcfgContainer [2019-08-06 16:46:59,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:46:59,421 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:46:59,421 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:46:59,421 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:46:59,422 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "01-straight.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:46:59" (1/1) ... [2019-08-06 16:46:59,434 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:46:59,437 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:46:59,444 INFO L160 IcfgInterpreter]: Initial procedures are [main, sub] [2019-08-06 16:46:59,454 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:46:59,456 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:46:59,505 INFO L185 IcfgInterpreter]: Interpreting procedure sub with input of size 1 [2019-08-06 16:46:59,512 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:46:59,513 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:46:59,516 INFO L179 IcfgInterpreter]: Location subErr1ASSERT_VIOLATIONASSERT has predicate 11#(and (not (= 7 sub_j)) (= 6 sub_j)) [2019-08-06 16:46:59,516 INFO L179 IcfgInterpreter]: Location subErr0ASSERT_VIOLATIONASSERT has predicate 14#false [2019-08-06 16:46:59,522 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:46:59,536 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:46:59,539 INFO L168 Benchmark]: Toolchain (without parser) took 545.96 ms. Allocated memory is still 138.9 MB. Free memory was 108.8 MB in the beginning and 91.9 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:59,541 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 109.9 MB in the beginning and 109.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:46:59,543 INFO L168 Benchmark]: Boogie Preprocessor took 44.64 ms. Allocated memory is still 138.9 MB. Free memory was 108.6 MB in the beginning and 106.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:59,545 INFO L168 Benchmark]: RCFGBuilder took 383.19 ms. Allocated memory is still 138.9 MB. Free memory was 106.5 MB in the beginning and 96.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:59,546 INFO L168 Benchmark]: Symbolic Interpretation took 114.81 ms. Allocated memory is still 138.9 MB. Free memory was 96.6 MB in the beginning and 91.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:59,555 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 17]: 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: - PositiveResult [Line: 15]: assertion always holds For all program executions holds that assertion always holds at this location * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 109.9 MB in the beginning and 109.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.64 ms. Allocated memory is still 138.9 MB. Free memory was 108.6 MB in the beginning and 106.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 383.19 ms. Allocated memory is still 138.9 MB. Free memory was 106.5 MB in the beginning and 96.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 114.81 ms. Allocated memory is still 138.9 MB. Free memory was 96.6 MB in the beginning and 91.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...