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-b8c145f [2019-08-05 11:26:23,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:26:23,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:26:23,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:26:23,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:26:23,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:26:23,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:26:23,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:26:23,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:26:23,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:26:23,861 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:26:23,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:26:23,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:26:23,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:26:23,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:26:23,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:26:23,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:26:23,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:26:23,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:26:23,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:26:23,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:26:23,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:26:23,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:26:23,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:26:23,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:26:23,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:26:23,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:26:23,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:26:23,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:26:23,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:26:23,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:26:23,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:26:23,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:26:23,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:26:23,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:26:23,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:26:23,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:26:23,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:26:23,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:26:23,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:26:23,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:26:23,918 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:26:23,931 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:26:23,935 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:26:23,937 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:26:23,937 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:26:23,938 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/sifa/01-straight.bpl [2019-08-05 11:26:23,938 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/sifa/01-straight.bpl' [2019-08-05 11:26:23,967 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:26:23,969 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:26:23,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:26:23,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:26:23,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:26:23,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "01-straight.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:26:23" (1/1) ... [2019-08-05 11:26:23,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "01-straight.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:26:23" (1/1) ... [2019-08-05 11:26:24,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "01-straight.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:26:23" (1/1) ... [2019-08-05 11:26:24,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "01-straight.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:26:23" (1/1) ... [2019-08-05 11:26:24,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "01-straight.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:26:23" (1/1) ... [2019-08-05 11:26:24,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "01-straight.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:26:23" (1/1) ... [2019-08-05 11:26:24,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "01-straight.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:26:23" (1/1) ... [2019-08-05 11:26:24,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:26:24,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:26:24,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:26:24,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:26:24,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "01-straight.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:26:23" (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 11:26:24,091 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 11:26:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:26:24,091 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:26:24,092 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sub given in one single declaration [2019-08-05 11:26:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure sub [2019-08-05 11:26:24,092 INFO L138 BoogieDeclarations]: Found implementation of procedure sub [2019-08-05 11:26:24,448 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:26:24,448 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:26:24,450 INFO L202 PluginConnector]: Adding new model 01-straight.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:26:24 BoogieIcfgContainer [2019-08-05 11:26:24,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:26:24,451 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:26:24,451 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:26:24,451 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:26:24,454 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "01-straight.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:26:24" (1/1) ... [2019-08-05 11:26:24,466 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 11:26:24,469 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:26:24,481 INFO L160 IcfgInterpreter]: Initial procedures are [main, sub] [2019-08-05 11:26:24,491 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:26:24,493 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 11:26:24,568 INFO L184 IcfgInterpreter]: Interpreting procedure sub with input of size 1 [2019-08-05 11:26:24,640 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:26:24,640 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:26:24,643 INFO L178 IcfgInterpreter]: Location subErr0ASSERT_VIOLATIONASSERT has predicate 14#false [2019-08-05 11:26:24,644 INFO L178 IcfgInterpreter]: Location subErr1ASSERT_VIOLATIONASSERT has predicate 11#(= 6 sub_j) [2019-08-05 11:26:24,653 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:26:24,656 INFO L168 Benchmark]: Toolchain (without parser) took 685.74 ms. Allocated memory is still 141.0 MB. Free memory was 110.7 MB in the beginning and 92.9 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:26:24,658 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 11:26:24,659 INFO L168 Benchmark]: Boogie Preprocessor took 44.34 ms. Allocated memory is still 141.0 MB. Free memory was 110.5 MB in the beginning and 108.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:26:24,662 INFO L168 Benchmark]: RCFGBuilder took 435.66 ms. Allocated memory is still 141.0 MB. Free memory was 108.4 MB in the beginning and 98.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:26:24,664 INFO L168 Benchmark]: Symbolic Interpretation took 202.35 ms. Allocated memory is still 141.0 MB. Free memory was 98.6 MB in the beginning and 92.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:26:24,674 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 15]: assertion always holds For all program executions holds that assertion always holds at this location - 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: * 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 141.0 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.34 ms. Allocated memory is still 141.0 MB. Free memory was 110.5 MB in the beginning and 108.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 435.66 ms. Allocated memory is still 141.0 MB. Free memory was 108.4 MB in the beginning and 98.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 202.35 ms. Allocated memory is still 141.0 MB. Free memory was 98.6 MB in the beginning and 92.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...