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/deadcode/ex01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:25:28,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:25:28,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:25:28,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:25:28,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:25:28,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:25:28,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:25:28,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:25:28,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:25:28,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:25:28,912 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:25:28,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:25:28,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:25:28,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:25:28,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:25:28,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:25:28,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:25:28,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:25:28,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:25:28,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:25:28,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:25:28,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:25:28,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:25:28,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:25:28,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:25:28,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:25:28,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:25:28,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:25:28,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:25:28,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:25:28,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:25:28,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:25:28,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:25:28,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:25:28,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:25:28,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:25:28,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:25:28,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:25:28,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:25:28,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:25:28,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:25:28,968 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:25:28,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:25:28,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:25:28,985 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:25:28,985 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:25:28,986 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/deadcode/ex01.bpl [2019-08-05 11:25:28,987 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/deadcode/ex01.bpl' [2019-08-05 11:25:29,013 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:25:29,015 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:25:29,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:25:29,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:25:29,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:25:29,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:29" (1/1) ... [2019-08-05 11:25:29,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:29" (1/1) ... [2019-08-05 11:25:29,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:29" (1/1) ... [2019-08-05 11:25:29,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:29" (1/1) ... [2019-08-05 11:25:29,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:29" (1/1) ... [2019-08-05 11:25:29,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:29" (1/1) ... [2019-08-05 11:25:29,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:29" (1/1) ... [2019-08-05 11:25:29,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:25:29,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:25:29,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:25:29,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:25:29,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:29" (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 11:25:29,129 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 11:25:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 11:25:29,130 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 11:25:29,437 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:25:29,437 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 11:25:29,438 INFO L202 PluginConnector]: Adding new model ex01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:25:29 BoogieIcfgContainer [2019-08-05 11:25:29,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:25:29,439 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:25:29,439 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:25:29,439 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:25:29,441 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "ex01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:25:29" (1/1) ... [2019-08-05 11:25:29,452 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:25:29,455 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:25:29,462 INFO L160 IcfgInterpreter]: Initial procedures are [foo] [2019-08-05 11:25:29,470 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:25:29,472 INFO L184 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-05 11:25:29,706 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:25:29,706 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:25:29,709 INFO L178 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONASSERT has predicate 14#(and (not (= foo_LOC_ID 0)) (= 1.0 foo_x)) [2019-08-05 11:25:29,719 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:25:29,722 INFO L168 Benchmark]: Toolchain (without parser) took 706.79 ms. Allocated memory is still 134.7 MB. Free memory was 111.0 MB in the beginning and 92.9 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:29,724 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 134.7 MB. Free memory was 112.1 MB in the beginning and 111.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:25:29,729 INFO L168 Benchmark]: Boogie Preprocessor took 43.73 ms. Allocated memory is still 134.7 MB. Free memory was 110.8 MB in the beginning and 108.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:29,732 INFO L168 Benchmark]: RCFGBuilder took 379.04 ms. Allocated memory is still 134.7 MB. Free memory was 108.6 MB in the beginning and 99.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:29,734 INFO L168 Benchmark]: Symbolic Interpretation took 280.65 ms. Allocated memory is still 134.7 MB. Free memory was 99.0 MB in the beginning and 92.9 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:29,743 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 14]: 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 0.24 ms. Allocated memory is still 134.7 MB. Free memory was 112.1 MB in the beginning and 111.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.73 ms. Allocated memory is still 134.7 MB. Free memory was 110.8 MB in the beginning and 108.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 379.04 ms. Allocated memory is still 134.7 MB. Free memory was 108.6 MB in the beginning and 99.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 280.65 ms. Allocated memory is still 134.7 MB. Free memory was 99.0 MB in the beginning and 92.9 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...