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-b03553c [2019-08-05 18:09:00,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:09:00,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:09:00,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:09:00,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:09:00,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:09:00,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:09:00,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:09:00,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:09:00,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:09:00,428 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:09:00,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:09:00,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:09:00,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:09:00,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:09:00,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:09:00,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:09:00,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:09:00,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:09:00,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:09:00,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:09:00,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:09:00,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:09:00,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:09:00,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:09:00,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:09:00,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:09:00,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:09:00,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:09:00,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:09:00,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:09:00,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:09:00,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:09:00,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:09:00,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:09:00,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:09:00,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:09:00,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:09:00,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:09:00,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:09:00,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:09:00,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:09:00,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:09:00,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:09:00,567 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:09:00,568 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:09:00,570 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl [2019-08-05 18:09:00,570 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl' [2019-08-05 18:09:00,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:09:00,613 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:09:00,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:09:00,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:09:00,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:09:00,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:09:00" (1/1) ... [2019-08-05 18:09:00,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:09:00" (1/1) ... [2019-08-05 18:09:00,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:09:00" (1/1) ... [2019-08-05 18:09:00,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:09:00" (1/1) ... [2019-08-05 18:09:00,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:09:00" (1/1) ... [2019-08-05 18:09:00,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:09:00" (1/1) ... [2019-08-05 18:09:00,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:09:00" (1/1) ... [2019-08-05 18:09:00,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:09:00,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:09:00,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:09:00,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:09:00,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:09:00" (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 18:09:00,737 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2019-08-05 18:09:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2019-08-05 18:09:00,738 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2019-08-05 18:09:01,179 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:09:01,179 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:09:01,181 INFO L202 PluginConnector]: Adding new model RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:09:01 BoogieIcfgContainer [2019-08-05 18:09:01,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:09:01,182 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:09:01,182 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:09:01,182 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:09:01,183 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:09:01" (1/1) ... [2019-08-05 18:09:01,207 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:09:01,210 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:09:01,223 INFO L160 IcfgInterpreter]: Initial procedures are [GateController] [2019-08-05 18:09:01,241 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:09:01,242 INFO L185 IcfgInterpreter]: Interpreting procedure GateController with input of size 1 [2019-08-05 18:09:01,361 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:09:01,361 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:09:01,368 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))) [2019-08-05 18:09:01,369 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:09:01,378 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:09:01,381 INFO L168 Benchmark]: Toolchain (without parser) took 768.87 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 87.6 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:09:01,383 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.32 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:09:01,386 INFO L168 Benchmark]: Boogie Preprocessor took 50.73 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 107.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:09:01,387 INFO L168 Benchmark]: RCFGBuilder took 516.99 ms. Allocated memory is still 133.2 MB. Free memory was 107.2 MB in the beginning and 93.4 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:09:01,390 INFO L168 Benchmark]: Symbolic Interpretation took 196.50 ms. Allocated memory is still 133.2 MB. Free memory was 93.4 MB in the beginning and 87.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-05 18:09:01,397 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 0.32 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.73 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 107.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 516.99 ms. Allocated memory is still 133.2 MB. Free memory was 107.2 MB in the beginning and 93.4 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 196.50 ms. Allocated memory is still 133.2 MB. Free memory was 93.4 MB in the beginning and 87.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...