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/dangerInvariants/nondeterministicControlFlow.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:17:02,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:17:02,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:17:02,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:17:02,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:17:02,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:17:02,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:17:02,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:17:02,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:17:02,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:17:02,489 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:17:02,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:17:02,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:17:02,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:17:02,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:17:02,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:17:02,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:17:02,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:17:02,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:17:02,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:17:02,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:17:02,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:17:02,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:17:02,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:17:02,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:17:02,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:17:02,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:17:02,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:17:02,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:17:02,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:17:02,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:17:02,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:17:02,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:17:02,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:17:02,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:17:02,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:17:02,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:17:02,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:17:02,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:17:02,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:17:02,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:17:02,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:17:02,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:17:02,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:17:02,561 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:17:02,562 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:17:02,562 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/dangerInvariants/nondeterministicControlFlow.bpl [2019-08-05 18:17:02,563 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/dangerInvariants/nondeterministicControlFlow.bpl' [2019-08-05 18:17:02,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:17:02,593 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:17:02,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:17:02,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:17:02,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:17:02,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nondeterministicControlFlow.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:02" (1/1) ... [2019-08-05 18:17:02,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nondeterministicControlFlow.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:02" (1/1) ... [2019-08-05 18:17:02,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nondeterministicControlFlow.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:02" (1/1) ... [2019-08-05 18:17:02,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nondeterministicControlFlow.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:02" (1/1) ... [2019-08-05 18:17:02,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nondeterministicControlFlow.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:02" (1/1) ... [2019-08-05 18:17:02,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nondeterministicControlFlow.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:02" (1/1) ... [2019-08-05 18:17:02,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nondeterministicControlFlow.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:02" (1/1) ... [2019-08-05 18:17:02,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:17:02,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:17:02,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:17:02,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:17:02,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nondeterministicControlFlow.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:02" (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 18:17:02,697 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 18:17:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:17:02,699 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:17:02,850 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:17:02,851 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:17:02,853 INFO L202 PluginConnector]: Adding new model nondeterministicControlFlow.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:17:02 BoogieIcfgContainer [2019-08-05 18:17:02,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:17:02,853 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:17:02,853 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:17:02,854 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:17:02,855 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nondeterministicControlFlow.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:17:02" (1/1) ... [2019-08-05 18:17:02,869 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:17:02,872 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:17:02,879 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:17:02,887 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:17:02,889 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:17:02,916 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:17:02,917 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:17:02,920 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 5#true [2019-08-05 18:17:02,921 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:17:02,928 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:17:02,931 INFO L168 Benchmark]: Toolchain (without parser) took 337.71 ms. Allocated memory is still 140.5 MB. Free memory was 107.9 MB in the beginning and 94.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:02,933 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 108.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:17:02,934 INFO L168 Benchmark]: Boogie Preprocessor took 36.77 ms. Allocated memory is still 140.5 MB. Free memory was 107.7 MB in the beginning and 105.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:02,935 INFO L168 Benchmark]: RCFGBuilder took 222.31 ms. Allocated memory is still 140.5 MB. Free memory was 105.8 MB in the beginning and 97.6 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:02,937 INFO L168 Benchmark]: Symbolic Interpretation took 75.29 ms. Allocated memory is still 140.5 MB. Free memory was 97.6 MB in the beginning and 94.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:02,941 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 8]: 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 140.5 MB. Free memory was 108.9 MB in the beginning and 108.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.77 ms. Allocated memory is still 140.5 MB. Free memory was 107.7 MB in the beginning and 105.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 222.31 ms. Allocated memory is still 140.5 MB. Free memory was 105.8 MB in the beginning and 97.6 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 75.29 ms. Allocated memory is still 140.5 MB. Free memory was 97.6 MB in the beginning and 94.0 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...