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-b03553c [2019-08-05 18:07:22,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:07:22,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:07:22,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:07:22,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:07:22,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:07:22,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:07:22,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:07:22,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:07:22,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:07:22,113 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:07:22,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:07:22,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:07:22,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:07:22,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:07:22,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:07:22,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:07:22,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:07:22,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:07:22,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:07:22,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:07:22,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:07:22,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:07:22,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:07:22,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:07:22,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:07:22,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:07:22,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:07:22,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:07:22,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:07:22,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:07:22,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:07:22,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:07:22,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:07:22,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:07:22,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:07:22,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:07:22,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:07:22,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:07:22,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:07:22,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:07:22,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:07:22,182 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:07:22,186 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:07:22,189 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:07:22,190 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:07:22,191 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing-Incorrenct.bpl [2019-08-05 18:07:22,192 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing-Incorrenct.bpl' [2019-08-05 18:07:22,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:07:22,232 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:07:22,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:07:22,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:07:22,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:07:22,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:07:22" (1/1) ... [2019-08-05 18:07:22,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:07:22" (1/1) ... [2019-08-05 18:07:22,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:07:22" (1/1) ... [2019-08-05 18:07:22,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:07:22" (1/1) ... [2019-08-05 18:07:22,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:07:22" (1/1) ... [2019-08-05 18:07:22,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:07:22" (1/1) ... [2019-08-05 18:07:22,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:07:22" (1/1) ... [2019-08-05 18:07:22,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:07:22,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:07:22,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:07:22,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:07:22,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:07:22" (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 18:07:22,359 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2019-08-05 18:07:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2019-08-05 18:07:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2019-08-05 18:07:22,756 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:07:22,757 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:07:22,758 INFO L202 PluginConnector]: Adding new model RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:07:22 BoogieIcfgContainer [2019-08-05 18:07:22,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:07:22,759 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:07:22,759 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:07:22,759 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:07:22,760 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "RailwayCrossing-Incorrenct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:07:22" (1/1) ... [2019-08-05 18:07:22,774 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:07:22,782 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:07:22,789 INFO L160 IcfgInterpreter]: Initial procedures are [GateController] [2019-08-05 18:07:22,796 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:07:22,798 INFO L185 IcfgInterpreter]: Interpreting procedure GateController with input of size 1 [2019-08-05 18:07:22,917 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:07:22,917 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:07:22,921 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))) [2019-08-05 18:07:22,922 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:07:22,929 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:07:22,932 INFO L168 Benchmark]: Toolchain (without parser) took 699.19 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 85.5 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:07:22,933 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.30 ms. Allocated memory is still 138.9 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:07:22,934 INFO L168 Benchmark]: Boogie Preprocessor took 51.31 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 105.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:07:22,936 INFO L168 Benchmark]: RCFGBuilder took 473.97 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 91.0 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:07:22,937 INFO L168 Benchmark]: Symbolic Interpretation took 170.35 ms. Allocated memory is still 138.9 MB. Free memory was 91.0 MB in the beginning and 85.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:07:22,940 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 0.30 ms. Allocated memory is still 138.9 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.31 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 105.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 473.97 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 91.0 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 170.35 ms. Allocated memory is still 138.9 MB. Free memory was 91.0 MB in the beginning and 85.5 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...