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-b8c145f [2019-08-04 21:51:23,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:51:23,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:51:23,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:51:23,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:51:23,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:51:23,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:51:23,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:51:23,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:51:23,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:51:23,758 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:51:23,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:51:23,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:51:23,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:51:23,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:51:23,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:51:23,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:51:23,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:51:23,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:51:23,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:51:23,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:51:23,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:51:23,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:51:23,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:51:23,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:51:23,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:51:23,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:51:23,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:51:23,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:51:23,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:51:23,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:51:23,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:51:23,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:51:23,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:51:23,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:51:23,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:51:23,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:51:23,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:51:23,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:51:23,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:51:23,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:51:23,849 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:51:23,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:51:23,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:51:23,865 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:51:23,866 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:51:23,866 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing-Incorrenct.bpl [2019-08-04 21:51:23,867 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing-Incorrenct.bpl' [2019-08-04 21:51:23,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:51:23,898 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-04 21:51:23,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:51:23,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:51:23,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:51:23,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:51:23" (1/1) ... [2019-08-04 21:51:23,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:51:23" (1/1) ... [2019-08-04 21:51:23,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:51:23" (1/1) ... [2019-08-04 21:51:23,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:51:23" (1/1) ... [2019-08-04 21:51:23,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:51:23" (1/1) ... [2019-08-04 21:51:23,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:51:23" (1/1) ... [2019-08-04 21:51:23,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:51:23" (1/1) ... [2019-08-04 21:51:23,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:51:23,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:51:23,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:51:23,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:51:23,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:51:23" (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 [2019-08-04 21:51:24,026 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2019-08-04 21:51:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2019-08-04 21:51:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2019-08-04 21:51:24,561 INFO L275 CfgBuilder]: Using library mode [2019-08-04 21:51:24,561 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-04 21:51:24,563 INFO L202 PluginConnector]: Adding new model RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:51:24 BoogieIcfgContainer [2019-08-04 21:51:24,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:51:24,564 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-04 21:51:24,564 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-04 21:51:24,564 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-04 21:51:24,567 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:51:24" (1/1) ... [2019-08-04 21:51:24,580 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-04 21:51:24,586 INFO L155 IcfgInterpreter]: Building call graph [2019-08-04 21:51:24,599 INFO L160 IcfgInterpreter]: Initial procedures are [GateController] [2019-08-04 21:51:24,616 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-04 21:51:24,617 INFO L184 IcfgInterpreter]: Interpreting procedure GateController with input of size 1 [2019-08-04 21:51:24,812 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-08-04 21:51:24,984 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-08-04 21:51:25,093 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-08-04 21:51:25,354 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-08-04 21:51:42,386 WARN L188 SmtUtils]: Spent 16.95 s on a formula simplification that was a NOOP. DAG size: 122 [2019-08-04 21:51:42,525 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 12 [2019-08-04 21:51:42,567 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-04 21:51:42,567 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-04 21:51:42,571 INFO L178 IcfgInterpreter]: Location GateControllerErr0ASSERT_VIOLATIONASSERT has predicate 28#(and (not GateController_alarmTrain) (< GateController_increment 1000) (not (< GateController_time GateController_thousand)) (< GateController_time (+ GateController_thousand GateController_increment)) (not GateController_gateMotorFailure) (not (= GateController_hundred GateController_gate))) [2019-08-04 21:51:42,578 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-04 21:51:42,581 INFO L168 Benchmark]: Toolchain (without parser) took 18682.24 ms. Allocated memory was 140.5 MB in the beginning and 177.2 MB in the end (delta: 36.7 MB). Free memory was 110.0 MB in the beginning and 144.1 MB in the end (delta: -34.1 MB). Peak memory consumption was 54.9 MB. Max. memory is 7.1 GB. [2019-08-04 21:51:42,582 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory is still 110.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-04 21:51:42,583 INFO L168 Benchmark]: Boogie Preprocessor took 50.83 ms. Allocated memory is still 140.5 MB. Free memory was 110.0 MB in the beginning and 107.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-04 21:51:42,584 INFO L168 Benchmark]: RCFGBuilder took 613.52 ms. Allocated memory is still 140.5 MB. Free memory was 107.8 MB in the beginning and 93.7 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-08-04 21:51:42,586 INFO L168 Benchmark]: Symbolic Interpretation took 18014.59 ms. Allocated memory was 140.5 MB in the beginning and 177.2 MB in the end (delta: 36.7 MB). Free memory was 93.7 MB in the beginning and 144.1 MB in the end (delta: -50.4 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. [2019-08-04 21:51:42,590 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 0.21 ms. Allocated memory is still 140.5 MB. Free memory is still 110.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.83 ms. Allocated memory is still 140.5 MB. Free memory was 110.0 MB in the beginning and 107.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 613.52 ms. Allocated memory is still 140.5 MB. Free memory was 107.8 MB in the beginning and 93.7 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 18014.59 ms. Allocated memory was 140.5 MB in the beginning and 177.2 MB in the end (delta: 36.7 MB). Free memory was 93.7 MB in the beginning and 144.1 MB in the end (delta: -50.4 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...