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/branching/emptyNestedIfs.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:55:29,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:55:29,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:55:29,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:55:29,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:55:29,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:55:29,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:55:29,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:55:29,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:55:29,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:55:29,549 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:55:29,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:55:29,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:55:29,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:55:29,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:55:29,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:55:29,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:55:29,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:55:29,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:55:29,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:55:29,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:55:29,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:55:29,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:55:29,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:55:29,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:55:29,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:55:29,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:55:29,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:55:29,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:55:29,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:55:29,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:55:29,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:55:29,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:55:29,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:55:29,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:55:29,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:55:29,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:55:29,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:55:29,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:55:29,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:55:29,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:55:29,607 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:55:29,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:55:29,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:55:29,625 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:55:29,626 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:55:29,627 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/branching/emptyNestedIfs.bpl [2019-08-06 16:55:29,627 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/branching/emptyNestedIfs.bpl' [2019-08-06 16:55:29,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:55:29,656 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:55:29,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:55:29,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:55:29,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:55:29,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "emptyNestedIfs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:29" (1/1) ... [2019-08-06 16:55:29,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "emptyNestedIfs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:29" (1/1) ... [2019-08-06 16:55:29,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "emptyNestedIfs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:29" (1/1) ... [2019-08-06 16:55:29,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "emptyNestedIfs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:29" (1/1) ... [2019-08-06 16:55:29,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "emptyNestedIfs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:29" (1/1) ... [2019-08-06 16:55:29,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "emptyNestedIfs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:29" (1/1) ... [2019-08-06 16:55:29,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "emptyNestedIfs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:29" (1/1) ... [2019-08-06 16:55:29,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:55:29,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:55:29,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:55:29,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:55:29,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "emptyNestedIfs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:29" (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 [2019-08-06 16:55:29,785 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-06 16:55:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-06 16:55:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-06 16:55:30,163 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:55:30,163 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:55:30,165 INFO L202 PluginConnector]: Adding new model emptyNestedIfs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:30 BoogieIcfgContainer [2019-08-06 16:55:30,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:55:30,166 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:55:30,166 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:55:30,166 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:55:30,167 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "emptyNestedIfs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:30" (1/1) ... [2019-08-06 16:55:30,178 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:55:30,183 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:55:30,190 INFO L160 IcfgInterpreter]: Initial procedures are [foo] [2019-08-06 16:55:30,198 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:55:30,200 INFO L185 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-06 16:55:30,234 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:55:30,234 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:55:30,240 INFO L179 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONASSERT has predicate 6#(= 1 foo_z) [2019-08-06 16:55:30,241 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:55:30,249 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:55:30,252 INFO L168 Benchmark]: Toolchain (without parser) took 594.57 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 93.8 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:30,254 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:55:30,256 INFO L168 Benchmark]: Boogie Preprocessor took 45.05 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 107.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:30,258 INFO L168 Benchmark]: RCFGBuilder took 462.27 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 97.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:30,259 INFO L168 Benchmark]: Symbolic Interpretation took 83.36 ms. Allocated memory is still 133.2 MB. Free memory was 97.6 MB in the beginning and 93.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:30,265 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 25]: 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 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.05 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 107.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 462.27 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 97.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 83.36 ms. Allocated memory is still 133.2 MB. Free memory was 97.6 MB in the beginning and 93.8 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...