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-Incorrenct.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-e6f8464 [2019-08-06 14:16:59,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 14:16:59,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 14:16:59,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 14:16:59,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 14:16:59,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 14:16:59,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 14:16:59,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 14:16:59,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 14:16:59,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 14:16:59,415 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 14:16:59,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 14:16:59,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 14:16:59,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 14:16:59,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 14:16:59,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 14:16:59,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 14:16:59,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 14:16:59,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 14:16:59,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 14:16:59,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 14:16:59,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 14:16:59,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 14:16:59,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 14:16:59,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 14:16:59,440 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 14:16:59,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 14:16:59,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 14:16:59,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 14:16:59,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 14:16:59,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 14:16:59,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 14:16:59,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 14:16:59,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 14:16:59,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 14:16:59,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 14:16:59,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 14:16:59,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 14:16:59,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 14:16:59,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 14:16:59,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 14:16:59,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 14:16:59,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 14:16:59,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 14:16:59,527 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 14:16:59,528 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 14:16:59,529 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing-Incorrenct.bpl [2019-08-06 14:16:59,530 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing-Incorrenct.bpl' [2019-08-06 14:16:59,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 14:16:59,568 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 14:16:59,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 14:16:59,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 14:16:59,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 14:16:59,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:16:59" (1/1) ... [2019-08-06 14:16:59,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:16:59" (1/1) ... [2019-08-06 14:16:59,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:16:59" (1/1) ... [2019-08-06 14:16:59,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:16:59" (1/1) ... [2019-08-06 14:16:59,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:16:59" (1/1) ... [2019-08-06 14:16:59,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:16:59" (1/1) ... [2019-08-06 14:16:59,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:16:59" (1/1) ... [2019-08-06 14:16:59,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 14:16:59,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 14:16:59,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 14:16:59,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 14:16:59,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:16:59" (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 [2019-08-06 14:16:59,687 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2019-08-06 14:16:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2019-08-06 14:16:59,688 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2019-08-06 14:17:00,071 INFO L275 CfgBuilder]: Using library mode [2019-08-06 14:17:00,071 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 14:17:00,072 INFO L202 PluginConnector]: Adding new model RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:17:00 BoogieIcfgContainer [2019-08-06 14:17:00,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 14:17:00,073 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 14:17:00,073 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 14:17:00,073 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 14:17:00,074 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:17:00" (1/1) ... [2019-08-06 14:17:00,086 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 14:17:00,089 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 14:17:00,096 INFO L160 IcfgInterpreter]: Initial procedures are [GateController] [2019-08-06 14:17:00,104 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 14:17:00,105 INFO L185 IcfgInterpreter]: Interpreting procedure GateController with input of size 1 [2019-08-06 14:17:00,211 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 14:17:00,212 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 14:17:00,215 INFO L179 IcfgInterpreter]: Location GateControllerErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (not GateController_alarmTrain) (< GateController_increment 1000) (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 14:17:00,216 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 14:17:00,222 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 14:17:00,224 INFO L168 Benchmark]: Toolchain (without parser) took 655.56 ms. Allocated memory is still 140.5 MB. Free memory was 108.8 MB in the beginning and 87.0 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-08-06 14:17:00,225 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.77 ms. Allocated memory is still 140.5 MB. Free memory is still 109.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 14:17:00,227 INFO L168 Benchmark]: Boogie Preprocessor took 47.84 ms. Allocated memory is still 140.5 MB. Free memory was 108.8 MB in the beginning and 106.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 14:17:00,228 INFO L168 Benchmark]: RCFGBuilder took 454.81 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 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. [2019-08-06 14:17:00,229 INFO L168 Benchmark]: Symbolic Interpretation took 149.22 ms. Allocated memory is still 140.5 MB. Free memory was 92.5 MB in the beginning and 87.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-06 14:17:00,233 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 0.77 ms. Allocated memory is still 140.5 MB. Free memory is still 109.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.84 ms. Allocated memory is still 140.5 MB. Free memory was 108.8 MB in the beginning and 106.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 454.81 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 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 149.22 ms. Allocated memory is still 140.5 MB. Free memory was 92.5 MB in the beginning and 87.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...