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 0.1.24-4ddfff8 [2019-08-09 14:14:20,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:14:20,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:14:20,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:14:20,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:14:20,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:14:20,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:14:20,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:14:20,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:14:20,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:14:20,474 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:14:20,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:14:20,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:14:20,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:14:20,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:14:20,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:14:20,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:14:20,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:14:20,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:14:20,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:14:20,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:14:20,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:14:20,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:14:20,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:14:20,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:14:20,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:14:20,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:14:20,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:14:20,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:14:20,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:14:20,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:14:20,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:14:20,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:14:20,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:14:20,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:14:20,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:14:20,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:14:20,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:14:20,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:14:20,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:14:20,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:14:20,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:14:20,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:14:20,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:14:20,540 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:14:20,540 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:14:20,541 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/nested_ifs.bpl [2019-08-09 14:14:20,541 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/nested_ifs.bpl' [2019-08-09 14:14:20,568 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:14:20,570 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:14:20,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:14:20,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:14:20,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:14:20,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:20" (1/1) ... [2019-08-09 14:14:20,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:20" (1/1) ... [2019-08-09 14:14:20,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:20" (1/1) ... [2019-08-09 14:14:20,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:20" (1/1) ... [2019-08-09 14:14:20,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:20" (1/1) ... [2019-08-09 14:14:20,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:20" (1/1) ... [2019-08-09 14:14:20,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:20" (1/1) ... [2019-08-09 14:14:20,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:14:20,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:14:20,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:14:20,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:14:20,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:20" (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 [2019-08-09 14:14:20,677 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-09 14:14:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-09 14:14:20,678 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-09 14:14:20,919 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:14:20,919 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:14:20,921 INFO L202 PluginConnector]: Adding new model nested_ifs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:20 BoogieIcfgContainer [2019-08-09 14:14:20,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:14:20,921 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:14:20,921 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:14:20,922 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:14:20,923 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nested_ifs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:20" (1/1) ... [2019-08-09 14:14:20,987 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:14:20,994 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:14:20,999 INFO L168 Benchmark]: Toolchain (without parser) took 426.21 ms. Allocated memory is still 131.1 MB. Free memory was 107.8 MB in the beginning and 91.3 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:21,001 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 108.9 MB in the beginning and 108.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:14:21,002 INFO L168 Benchmark]: Boogie Preprocessor took 39.17 ms. Allocated memory is still 131.1 MB. Free memory was 107.6 MB in the beginning and 105.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:21,005 INFO L168 Benchmark]: RCFGBuilder took 310.97 ms. Allocated memory is still 131.1 MB. Free memory was 105.4 MB in the beginning and 95.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:21,006 INFO L168 Benchmark]: Symbolic Interpretation took 73.28 ms. Allocated memory is still 131.1 MB. Free memory was 95.0 MB in the beginning and 91.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:21,013 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. Predicate is 6#(and (= 1 foo_z) (= 1 foo_x) (= 0 foo_y) (not (= 0 foo_x))). 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 131.1 MB. Free memory was 108.9 MB in the beginning and 108.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.17 ms. Allocated memory is still 131.1 MB. Free memory was 107.6 MB in the beginning and 105.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 310.97 ms. Allocated memory is still 131.1 MB. Free memory was 105.4 MB in the beginning and 95.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 73.28 ms. Allocated memory is still 131.1 MB. Free memory was 95.0 MB in the beginning and 91.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...