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/toy/errorLocalization/nested_ifs.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:55:21,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:55:21,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:55:21,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:55:21,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:55:21,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:55:21,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:55:21,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:55:21,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:55:21,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:55:21,930 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:55:21,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:55:21,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:55:21,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:55:21,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:55:21,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:55:21,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:55:21,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:55:21,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:55:21,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:55:21,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:55:21,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:55:21,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:55:21,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:55:21,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:55:21,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:55:21,949 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:55:21,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:55:21,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:55:21,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:55:21,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:55:21,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:55:21,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:55:21,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:55:21,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:55:21,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:55:21,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:55:21,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:55:21,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:55:21,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:55:21,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:55:21,986 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:55:22,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:55:22,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:55:22,007 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:55:22,007 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:55:22,008 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/nested_ifs.bpl [2019-08-06 16:55:22,008 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/nested_ifs.bpl' [2019-08-06 16:55:22,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:55:22,035 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:55:22,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:55:22,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:55:22,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:55:22,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:22" (1/1) ... [2019-08-06 16:55:22,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:22" (1/1) ... [2019-08-06 16:55:22,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:22" (1/1) ... [2019-08-06 16:55:22,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:22" (1/1) ... [2019-08-06 16:55:22,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:22" (1/1) ... [2019-08-06 16:55:22,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:22" (1/1) ... [2019-08-06 16:55:22,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:22" (1/1) ... [2019-08-06 16:55:22,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:55:22,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:55:22,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:55:22,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:55:22,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:22" (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 [2019-08-06 16:55:22,155 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-06 16:55:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-06 16:55:22,156 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-06 16:55:22,520 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:55:22,520 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:55:22,521 INFO L202 PluginConnector]: Adding new model nested_ifs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:22 BoogieIcfgContainer [2019-08-06 16:55:22,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:55:22,522 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:55:22,522 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:55:22,522 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:55:22,523 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:22" (1/1) ... [2019-08-06 16:55:22,533 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:55:22,536 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:55:22,543 INFO L160 IcfgInterpreter]: Initial procedures are [foo] [2019-08-06 16:55:22,551 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:55:22,552 INFO L185 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-06 16:55:22,597 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:55:22,597 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:55:22,602 INFO L179 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (= 1 foo_z) (= 1 foo_x) (= 0 foo_y) (not (= 0 foo_x))) [2019-08-06 16:55:22,603 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:55:22,610 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:55:22,613 INFO L168 Benchmark]: Toolchain (without parser) took 577.03 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 91.0 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:22,614 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:55:22,615 INFO L168 Benchmark]: Boogie Preprocessor took 42.90 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:22,616 INFO L168 Benchmark]: RCFGBuilder took 442.65 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 94.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:22,618 INFO L168 Benchmark]: Symbolic Interpretation took 88.49 ms. Allocated memory is still 139.5 MB. Free memory was 94.8 MB in the beginning and 91.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:22,623 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 26]: 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 0.23 ms. Allocated memory is still 139.5 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.90 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 442.65 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 94.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 88.49 ms. Allocated memory is still 139.5 MB. Free memory was 94.8 MB in the beginning and 91.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...