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/abstractInterpretation/unclassified/EasyIfMirror.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:31,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:31,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:31,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:31,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:31,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:31,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:31,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:31,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:31,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:31,446 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:31,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:31,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:31,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:31,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:31,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:31,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:31,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:31,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:31,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:31,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:31,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:31,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:31,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:31,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:31,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:31,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:31,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:31,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:31,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:31,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:31,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:31,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:31,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:31,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:31,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:31,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:31,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:31,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:31,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:31,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:31,504 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:31,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:31,520 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:31,521 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:31,522 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:31,523 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/EasyIfMirror.bpl [2019-08-06 16:59:31,523 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/EasyIfMirror.bpl' [2019-08-06 16:59:31,552 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:31,554 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:31,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:31,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:31,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:31,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "EasyIfMirror.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:31" (1/1) ... [2019-08-06 16:59:31,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "EasyIfMirror.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:31" (1/1) ... [2019-08-06 16:59:31,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "EasyIfMirror.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:31" (1/1) ... [2019-08-06 16:59:31,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "EasyIfMirror.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:31" (1/1) ... [2019-08-06 16:59:31,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "EasyIfMirror.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:31" (1/1) ... [2019-08-06 16:59:31,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "EasyIfMirror.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:31" (1/1) ... [2019-08-06 16:59:31,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "EasyIfMirror.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:31" (1/1) ... [2019-08-06 16:59:31,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:31,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:31,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:31,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:31,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "EasyIfMirror.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:31" (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 16:59:31,660 INFO L124 BoogieDeclarations]: Specification and implementation of procedure EasyIf given in one single declaration [2019-08-06 16:59:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure EasyIf [2019-08-06 16:59:31,661 INFO L138 BoogieDeclarations]: Found implementation of procedure EasyIf [2019-08-06 16:59:31,843 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:31,843 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:31,845 INFO L202 PluginConnector]: Adding new model EasyIfMirror.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:31 BoogieIcfgContainer [2019-08-06 16:59:31,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:31,845 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:31,846 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:31,846 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:31,847 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "EasyIfMirror.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:31" (1/1) ... [2019-08-06 16:59:31,858 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:59:31,861 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:31,867 INFO L160 IcfgInterpreter]: Initial procedures are [EasyIf] [2019-08-06 16:59:31,876 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:31,878 INFO L185 IcfgInterpreter]: Interpreting procedure EasyIf with input of size 1 [2019-08-06 16:59:31,913 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:31,913 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:31,916 INFO L179 IcfgInterpreter]: Location EasyIfErr0ASSERT_VIOLATIONASSERT has predicate 7#(and (not (<= EasyIf_x 0)) (not (< 0 EasyIf_x))) [2019-08-06 16:59:31,917 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:31,923 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:31,927 INFO L168 Benchmark]: Toolchain (without parser) took 371.63 ms. Allocated memory is still 132.1 MB. Free memory was 107.4 MB in the beginning and 92.9 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:31,928 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:31,929 INFO L168 Benchmark]: Boogie Preprocessor took 39.91 ms. Allocated memory is still 132.1 MB. Free memory was 107.2 MB in the beginning and 105.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:31,930 INFO L168 Benchmark]: RCFGBuilder took 250.30 ms. Allocated memory is still 132.1 MB. Free memory was 105.0 MB in the beginning and 96.7 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:31,931 INFO L168 Benchmark]: Symbolic Interpretation took 78.25 ms. Allocated memory is still 132.1 MB. Free memory was 96.7 MB in the beginning and 92.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:31,935 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 7]: 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 132.1 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.91 ms. Allocated memory is still 132.1 MB. Free memory was 107.2 MB in the beginning and 105.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 250.30 ms. Allocated memory is still 132.1 MB. Free memory was 105.0 MB in the beginning and 96.7 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 78.25 ms. Allocated memory is still 132.1 MB. Free memory was 96.7 MB in the beginning and 92.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...