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/EasyIf.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:16:51,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:16:51,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:16:51,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:16:51,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:16:51,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:16:51,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:16:51,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:16:51,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:16:51,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:16:51,288 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:16:51,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:16:51,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:16:51,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:16:51,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:16:51,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:16:51,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:16:51,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:16:51,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:16:51,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:16:51,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:16:51,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:16:51,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:16:51,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:16:51,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:16:51,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:16:51,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:16:51,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:16:51,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:16:51,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:16:51,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:16:51,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:16:51,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:16:51,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:16:51,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:16:51,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:16:51,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:16:51,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:16:51,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:16:51,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:16:51,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:16:51,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:16:51,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:16:51,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:16:51,413 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:16:51,413 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:16:51,414 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/EasyIf.bpl [2019-08-05 18:16:51,414 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/EasyIf.bpl' [2019-08-05 18:16:51,446 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:16:51,448 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:16:51,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:16:51,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:16:51,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:16:51,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "EasyIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:51" (1/1) ... [2019-08-05 18:16:51,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "EasyIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:51" (1/1) ... [2019-08-05 18:16:51,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "EasyIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:51" (1/1) ... [2019-08-05 18:16:51,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "EasyIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:51" (1/1) ... [2019-08-05 18:16:51,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "EasyIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:51" (1/1) ... [2019-08-05 18:16:51,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "EasyIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:51" (1/1) ... [2019-08-05 18:16:51,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "EasyIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:51" (1/1) ... [2019-08-05 18:16:51,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:16:51,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:16:51,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:16:51,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:16:51,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "EasyIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:51" (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 18:16:51,568 INFO L124 BoogieDeclarations]: Specification and implementation of procedure EasyIf given in one single declaration [2019-08-05 18:16:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure EasyIf [2019-08-05 18:16:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure EasyIf [2019-08-05 18:16:51,786 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:16:51,786 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:16:51,788 INFO L202 PluginConnector]: Adding new model EasyIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:51 BoogieIcfgContainer [2019-08-05 18:16:51,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:16:51,789 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:16:51,789 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:16:51,789 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:16:51,791 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "EasyIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:51" (1/1) ... [2019-08-05 18:16:51,805 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:16:51,810 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:16:51,818 INFO L160 IcfgInterpreter]: Initial procedures are [EasyIf] [2019-08-05 18:16:51,825 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:16:51,827 INFO L185 IcfgInterpreter]: Interpreting procedure EasyIf with input of size 1 [2019-08-05 18:16:51,864 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:16:51,865 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:16:51,868 INFO L179 IcfgInterpreter]: Location EasyIfErr0ASSERT_VIOLATIONASSERT has predicate 7#(and (not (<= EasyIf_x 0)) (not (< 0 EasyIf_x))) [2019-08-05 18:16:51,869 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:16:51,877 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:16:51,881 INFO L168 Benchmark]: Toolchain (without parser) took 431.65 ms. Allocated memory is still 135.8 MB. Free memory was 106.8 MB in the beginning and 92.3 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:51,883 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 107.9 MB in the beginning and 107.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 18:16:51,886 INFO L168 Benchmark]: Boogie Preprocessor took 44.18 ms. Allocated memory is still 135.8 MB. Free memory was 106.6 MB in the beginning and 104.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:51,888 INFO L168 Benchmark]: RCFGBuilder took 295.09 ms. Allocated memory is still 135.8 MB. Free memory was 104.5 MB in the beginning and 96.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:51,889 INFO L168 Benchmark]: Symbolic Interpretation took 88.89 ms. Allocated memory is still 135.8 MB. Free memory was 96.2 MB in the beginning and 92.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:51,893 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 135.8 MB. Free memory was 107.9 MB in the beginning and 107.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.18 ms. Allocated memory is still 135.8 MB. Free memory was 106.6 MB in the beginning and 104.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 295.09 ms. Allocated memory is still 135.8 MB. Free memory was 104.5 MB in the beginning and 96.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 88.89 ms. Allocated memory is still 135.8 MB. Free memory was 96.2 MB in the beginning and 92.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...