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/toy/tooDifficultLoopInvariant/Luxembourg.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:12:25,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:12:25,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:12:25,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:12:25,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:12:25,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:12:25,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:12:25,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:12:25,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:12:25,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:12:25,281 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:12:25,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:12:25,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:12:25,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:12:25,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:12:25,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:12:25,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:12:25,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:12:25,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:12:25,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:12:25,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:12:25,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:12:25,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:12:25,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:12:25,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:12:25,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:12:25,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:12:25,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:12:25,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:12:25,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:12:25,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:12:25,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:12:25,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:12:25,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:12:25,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:12:25,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:12:25,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:12:25,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:12:25,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:12:25,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:12:25,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:12:25,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:12:25,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:12:25,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:12:25,388 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:12:25,388 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:12:25,389 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg.bpl [2019-08-05 18:12:25,389 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg.bpl' [2019-08-05 18:12:25,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:12:25,420 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:12:25,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:12:25,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:12:25,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:12:25,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:25" (1/1) ... [2019-08-05 18:12:25,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:25" (1/1) ... [2019-08-05 18:12:25,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:25" (1/1) ... [2019-08-05 18:12:25,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:25" (1/1) ... [2019-08-05 18:12:25,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:25" (1/1) ... [2019-08-05 18:12:25,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:25" (1/1) ... [2019-08-05 18:12:25,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:25" (1/1) ... [2019-08-05 18:12:25,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:12:25,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:12:25,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:12:25,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:12:25,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:25" (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 18:12:25,530 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 18:12:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:12:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:12:25,762 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:12:25,762 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 18:12:25,763 INFO L202 PluginConnector]: Adding new model Luxembourg.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:25 BoogieIcfgContainer [2019-08-05 18:12:25,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:12:25,764 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:12:25,764 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:12:25,765 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:12:25,766 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:25" (1/1) ... [2019-08-05 18:12:25,780 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:12:25,783 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:12:25,789 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:12:25,799 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:12:25,800 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:12:25,884 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:12:25,884 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:12:25,887 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 24#(and (= main_x 1000) (not (<= main_y 0))) [2019-08-05 18:12:25,888 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:12:25,895 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:12:25,898 INFO L168 Benchmark]: Toolchain (without parser) took 476.58 ms. Allocated memory is still 134.7 MB. Free memory was 109.9 MB in the beginning and 94.0 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:25,899 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 134.7 MB. Free memory was 111.1 MB in the beginning and 110.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 18:12:25,901 INFO L168 Benchmark]: Boogie Preprocessor took 38.98 ms. Allocated memory is still 134.7 MB. Free memory was 109.9 MB in the beginning and 107.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:25,902 INFO L168 Benchmark]: RCFGBuilder took 303.70 ms. Allocated memory is still 134.7 MB. Free memory was 107.7 MB in the beginning and 98.9 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:25,903 INFO L168 Benchmark]: Symbolic Interpretation took 130.86 ms. Allocated memory is still 134.7 MB. Free memory was 98.9 MB in the beginning and 94.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:25,907 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 24]: 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 0.20 ms. Allocated memory is still 134.7 MB. Free memory was 111.1 MB in the beginning and 110.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.98 ms. Allocated memory is still 134.7 MB. Free memory was 109.9 MB in the beginning and 107.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 303.70 ms. Allocated memory is still 134.7 MB. Free memory was 107.7 MB in the beginning and 98.9 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 130.86 ms. Allocated memory is still 134.7 MB. Free memory was 98.9 MB in the beginning and 94.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...