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/DraegerElevator-FSEN2007.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:48:15,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:48:15,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:48:15,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:48:15,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:48:15,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:48:15,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:48:15,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:48:15,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:48:15,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:48:15,103 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:48:15,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:48:15,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:48:15,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:48:15,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:48:15,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:48:15,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:48:15,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:48:15,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:48:15,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:48:15,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:48:15,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:48:15,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:48:15,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:48:15,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:48:15,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:48:15,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:48:15,123 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:48:15,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:48:15,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:48:15,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:48:15,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:48:15,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:48:15,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:48:15,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:48:15,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:48:15,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:48:15,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:48:15,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:48:15,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:48:15,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:48:15,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:48:15,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:48:15,202 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:48:15,206 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:48:15,206 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:48:15,207 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/DraegerElevator-FSEN2007.bpl [2019-08-06 16:48:15,207 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/DraegerElevator-FSEN2007.bpl' [2019-08-06 16:48:15,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:48:15,250 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:48:15,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:48:15,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:48:15,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:48:15,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:15" (1/1) ... [2019-08-06 16:48:15,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:15" (1/1) ... [2019-08-06 16:48:15,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:15" (1/1) ... [2019-08-06 16:48:15,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:15" (1/1) ... [2019-08-06 16:48:15,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:15" (1/1) ... [2019-08-06 16:48:15,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:15" (1/1) ... [2019-08-06 16:48:15,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:15" (1/1) ... [2019-08-06 16:48:15,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:48:15,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:48:15,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:48:15,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:48:15,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:15" (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 16:48:15,381 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:48:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:48:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:48:16,197 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:48:16,198 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:48:16,199 INFO L202 PluginConnector]: Adding new model DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:48:16 BoogieIcfgContainer [2019-08-06 16:48:16,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:48:16,200 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:48:16,200 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:48:16,201 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:48:16,202 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:48:16" (1/1) ... [2019-08-06 16:48:16,214 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:48:16,218 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:48:16,225 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:48:16,233 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:48:16,235 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:48:16,333 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:48:16,333 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:48:16,336 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONINVARIANTandASSERT has predicate 17#(not (<= main_current main_max)) [2019-08-06 16:48:16,337 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:48:16,345 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:48:16,349 INFO L168 Benchmark]: Toolchain (without parser) took 1098.06 ms. Allocated memory is still 131.6 MB. Free memory was 106.8 MB in the beginning and 71.0 MB in the end (delta: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:48:16,350 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:48:16,351 INFO L168 Benchmark]: Boogie Preprocessor took 57.99 ms. Allocated memory is still 131.6 MB. Free memory was 106.8 MB in the beginning and 104.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:48:16,352 INFO L168 Benchmark]: RCFGBuilder took 890.80 ms. Allocated memory is still 131.6 MB. Free memory was 104.1 MB in the beginning and 77.7 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:48:16,353 INFO L168 Benchmark]: Symbolic Interpretation took 145.73 ms. Allocated memory is still 131.6 MB. Free memory was 77.3 MB in the beginning and 71.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:48:16,357 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 10]: Unable to prove that loop invariant is valid and assertion always holds Unable to prove that loop invariant is valid and 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 131.6 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.99 ms. Allocated memory is still 131.6 MB. Free memory was 106.8 MB in the beginning and 104.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 890.80 ms. Allocated memory is still 131.6 MB. Free memory was 104.1 MB in the beginning and 77.7 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 145.73 ms. Allocated memory is still 131.6 MB. Free memory was 77.3 MB in the beginning and 71.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...