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/real-life/RailwayCrossing.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:07:59,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:07:59,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:07:59,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:07:59,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:07:59,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:07:59,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:07:59,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:07:59,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:07:59,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:07:59,474 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:07:59,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:07:59,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:07:59,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:07:59,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:07:59,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:07:59,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:07:59,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:07:59,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:07:59,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:07:59,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:07:59,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:07:59,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:07:59,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:07:59,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:07:59,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:07:59,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:07:59,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:07:59,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:07:59,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:07:59,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:07:59,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:07:59,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:07:59,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:07:59,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:07:59,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:07:59,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:07:59,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:07:59,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:07:59,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:07:59,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:07:59,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:07:59,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:07:59,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:07:59,546 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:07:59,546 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:07:59,547 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl [2019-08-09 14:07:59,547 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl' [2019-08-09 14:07:59,583 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:07:59,585 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:07:59,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:07:59,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:07:59,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:07:59,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:07:59" (1/1) ... [2019-08-09 14:07:59,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:07:59" (1/1) ... [2019-08-09 14:07:59,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:07:59" (1/1) ... [2019-08-09 14:07:59,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:07:59" (1/1) ... [2019-08-09 14:07:59,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:07:59" (1/1) ... [2019-08-09 14:07:59,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:07:59" (1/1) ... [2019-08-09 14:07:59,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:07:59" (1/1) ... [2019-08-09 14:07:59,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:07:59,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:07:59,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:07:59,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:07:59,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:07:59" (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 14:07:59,701 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2019-08-09 14:07:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2019-08-09 14:07:59,702 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2019-08-09 14:07:59,942 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:07:59,942 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:07:59,944 INFO L202 PluginConnector]: Adding new model RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:07:59 BoogieIcfgContainer [2019-08-09 14:07:59,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:07:59,945 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:07:59,945 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:07:59,946 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:07:59,947 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:07:59" (1/1) ... [2019-08-09 14:08:00,133 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:08:00,141 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:08:00,144 INFO L168 Benchmark]: Toolchain (without parser) took 557.61 ms. Allocated memory is still 132.1 MB. Free memory was 108.6 MB in the beginning and 84.2 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:08:00,146 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:08:00,148 INFO L168 Benchmark]: Boogie Preprocessor took 46.01 ms. Allocated memory is still 132.1 MB. Free memory was 108.6 MB in the beginning and 106.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:08:00,151 INFO L168 Benchmark]: RCFGBuilder took 311.98 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 92.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:08:00,152 INFO L168 Benchmark]: Symbolic Interpretation took 195.84 ms. Allocated memory is still 132.1 MB. Free memory was 92.5 MB in the beginning and 84.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:08:00,157 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 39]: 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 23#(and (not GateController_alarmTrain) (not (< GateController_time GateController_thousand)) (not (= GateController_hundred GateController_gate))). 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 132.1 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.01 ms. Allocated memory is still 132.1 MB. Free memory was 108.6 MB in the beginning and 106.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 311.98 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 92.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 195.84 ms. Allocated memory is still 132.1 MB. Free memory was 92.5 MB in the beginning and 84.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...