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 0.1.24-3b9210c [2019-08-06 16:49:51,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:49:51,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:49:51,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:49:51,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:49:51,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:49:51,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:49:51,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:49:51,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:49:51,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:49:51,192 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:49:51,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:49:51,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:49:51,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:49:51,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:49:51,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:49:51,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:49:51,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:49:51,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:49:51,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:49:51,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:49:51,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:49:51,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:49:51,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:49:51,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:49:51,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:49:51,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:49:51,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:49:51,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:49:51,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:49:51,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:49:51,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:49:51,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:49:51,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:49:51,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:49:51,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:49:51,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:49:51,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:49:51,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:49:51,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:49:51,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:49:51,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:49:51,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:49:51,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:49:51,293 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:49:51,293 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:49:51,295 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl [2019-08-06 16:49:51,295 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl' [2019-08-06 16:49:51,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:49:51,336 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:49:51,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:49:51,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:49:51,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:49:51,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:49:51" (1/1) ... [2019-08-06 16:49:51,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:49:51" (1/1) ... [2019-08-06 16:49:51,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:49:51" (1/1) ... [2019-08-06 16:49:51,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:49:51" (1/1) ... [2019-08-06 16:49:51,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:49:51" (1/1) ... [2019-08-06 16:49:51,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:49:51" (1/1) ... [2019-08-06 16:49:51,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:49:51" (1/1) ... [2019-08-06 16:49:51,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:49:51,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:49:51,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:49:51,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:49:51,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:49:51" (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 16:49:51,454 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2019-08-06 16:49:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2019-08-06 16:49:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2019-08-06 16:49:51,844 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:49:51,845 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:49:51,847 INFO L202 PluginConnector]: Adding new model RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:49:51 BoogieIcfgContainer [2019-08-06 16:49:51,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:49:51,848 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:49:51,848 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:49:51,848 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:49:51,850 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:49:51" (1/1) ... [2019-08-06 16:49:51,863 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:49:51,866 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:49:51,873 INFO L160 IcfgInterpreter]: Initial procedures are [GateController] [2019-08-06 16:49:51,882 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:49:51,884 INFO L185 IcfgInterpreter]: Interpreting procedure GateController with input of size 1 [2019-08-06 16:49:52,002 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:49:52,003 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:49:52,008 INFO L179 IcfgInterpreter]: Location GateControllerErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (not GateController_alarmTrain) (< GateController_increment 10) (not (< GateController_time GateController_thousand)) (< GateController_time (+ GateController_thousand GateController_increment)) (or (and (not GateController_gateMotorFailure) (or (< GateController_gate (+ GateController_hundred 1)) (<= GateController_hundred GateController_gate))) (and GateController_alarmTrain GateController_gateMotorFailure)) (not (= GateController_hundred GateController_gate))) [2019-08-06 16:49:52,009 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:49:52,017 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:49:52,020 INFO L168 Benchmark]: Toolchain (without parser) took 683.44 ms. Allocated memory is still 138.9 MB. Free memory was 107.2 MB in the beginning and 85.3 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:49:52,022 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:49:52,023 INFO L168 Benchmark]: Boogie Preprocessor took 50.97 ms. Allocated memory is still 138.9 MB. Free memory was 107.2 MB in the beginning and 105.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:49:52,024 INFO L168 Benchmark]: RCFGBuilder took 457.13 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 91.2 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:49:52,025 INFO L168 Benchmark]: Symbolic Interpretation took 169.49 ms. Allocated memory is still 138.9 MB. Free memory was 91.0 MB in the beginning and 85.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:49:52,029 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.97 ms. Allocated memory is still 138.9 MB. Free memory was 107.2 MB in the beginning and 105.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 457.13 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 91.2 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 169.49 ms. Allocated memory is still 138.9 MB. Free memory was 91.0 MB in the beginning and 85.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...