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-b8c145f [2019-08-05 11:49:15,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:49:15,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:49:15,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:49:15,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:49:15,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:49:15,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:49:15,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:49:15,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:49:15,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:49:15,381 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:49:15,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:49:15,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:49:15,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:49:15,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:49:15,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:49:15,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:49:15,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:49:15,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:49:15,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:49:15,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:49:15,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:49:15,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:49:15,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:49:15,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:49:15,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:49:15,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:49:15,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:49:15,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:49:15,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:49:15,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:49:15,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:49:15,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:49:15,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:49:15,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:49:15,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:49:15,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:49:15,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:49:15,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:49:15,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:49:15,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:49:15,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:49:15,473 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:49:15,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:49:15,478 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:49:15,479 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:49:15,479 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg.bpl [2019-08-05 11:49:15,480 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg.bpl' [2019-08-05 11:49:15,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:49:15,512 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:49:15,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:49:15,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:49:15,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:49:15,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:15" (1/1) ... [2019-08-05 11:49:15,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:15" (1/1) ... [2019-08-05 11:49:15,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:15" (1/1) ... [2019-08-05 11:49:15,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:15" (1/1) ... [2019-08-05 11:49:15,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:15" (1/1) ... [2019-08-05 11:49:15,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:15" (1/1) ... [2019-08-05 11:49:15,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:15" (1/1) ... [2019-08-05 11:49:15,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:49:15,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:49:15,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:49:15,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:49:15,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:15" (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 [2019-08-05 11:49:15,629 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 11:49:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:49:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:49:15,871 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:49:15,871 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 11:49:15,873 INFO L202 PluginConnector]: Adding new model Luxembourg.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:49:15 BoogieIcfgContainer [2019-08-05 11:49:15,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:49:15,874 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:49:15,874 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:49:15,874 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:49:15,879 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 11:49:15" (1/1) ... [2019-08-05 11:49:15,893 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:49:15,897 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:49:15,910 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 11:49:15,918 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:49:15,920 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 11:49:16,147 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-08-05 11:49:16,357 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2019-08-05 11:49:16,383 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:49:16,384 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:49:16,386 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (= main_x 1000) (not (<= main_y 0))) [2019-08-05 11:49:16,395 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:49:16,397 INFO L168 Benchmark]: Toolchain (without parser) took 884.59 ms. Allocated memory is still 142.1 MB. Free memory was 111.6 MB in the beginning and 87.2 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:16,398 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 112.8 MB in the beginning and 112.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:49:16,400 INFO L168 Benchmark]: Boogie Preprocessor took 42.09 ms. Allocated memory is still 142.1 MB. Free memory was 111.6 MB in the beginning and 109.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:16,401 INFO L168 Benchmark]: RCFGBuilder took 317.78 ms. Allocated memory is still 142.1 MB. Free memory was 109.4 MB in the beginning and 100.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:16,402 INFO L168 Benchmark]: Symbolic Interpretation took 521.14 ms. Allocated memory is still 142.1 MB. Free memory was 100.6 MB in the beginning and 87.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:16,406 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 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 112.8 MB in the beginning and 112.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.09 ms. Allocated memory is still 142.1 MB. Free memory was 111.6 MB in the beginning and 109.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 317.78 ms. Allocated memory is still 142.1 MB. Free memory was 109.4 MB in the beginning and 100.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 521.14 ms. Allocated memory is still 142.1 MB. Free memory was 100.6 MB in the beginning and 87.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...