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/Easy_incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:20:32,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:20:32,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:20:32,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:20:32,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:20:32,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:20:32,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:20:32,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:20:32,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:20:32,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:20:32,643 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:20:32,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:20:32,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:20:32,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:20:32,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:20:32,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:20:32,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:20:32,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:20:32,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:20:32,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:20:32,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:20:32,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:20:32,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:20:32,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:20:32,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:20:32,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:20:32,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:20:32,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:20:32,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:20:32,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:20:32,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:20:32,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:20:32,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:20:32,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:20:32,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:20:32,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:20:32,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:20:32,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:20:32,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:20:32,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:20:32,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:20:32,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:20:32,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:20:32,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:20:32,724 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:20:32,724 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:20:32,725 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/Easy_incorrect.bpl [2019-08-09 14:20:32,725 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/Easy_incorrect.bpl' [2019-08-09 14:20:32,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:20:32,760 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:20:32,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:20:32,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:20:32,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:20:32,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Easy_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:32" (1/1) ... [2019-08-09 14:20:32,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Easy_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:32" (1/1) ... [2019-08-09 14:20:32,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Easy_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:32" (1/1) ... [2019-08-09 14:20:32,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Easy_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:32" (1/1) ... [2019-08-09 14:20:32,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Easy_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:32" (1/1) ... [2019-08-09 14:20:32,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Easy_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:32" (1/1) ... [2019-08-09 14:20:32,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Easy_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:32" (1/1) ... [2019-08-09 14:20:32,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:20:32,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:20:32,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:20:32,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:20:32,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Easy_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:32" (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 [2019-08-09 14:20:32,880 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Easy given in one single declaration [2019-08-09 14:20:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure Easy [2019-08-09 14:20:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure Easy [2019-08-09 14:20:33,014 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:20:33,014 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:20:33,016 INFO L202 PluginConnector]: Adding new model Easy_incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:33 BoogieIcfgContainer [2019-08-09 14:20:33,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:20:33,017 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:20:33,018 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:20:33,018 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:20:33,019 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Easy_incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:33" (1/1) ... [2019-08-09 14:20:33,108 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:20:33,121 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:20:33,124 INFO L168 Benchmark]: Toolchain (without parser) took 362.68 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 94.1 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:33,125 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory is still 108.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 14:20:33,126 INFO L168 Benchmark]: Boogie Preprocessor took 43.00 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 105.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:33,127 INFO L168 Benchmark]: RCFGBuilder took 210.10 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 97.5 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:33,128 INFO L168 Benchmark]: Symbolic Interpretation took 103.71 ms. Allocated memory is still 131.6 MB. Free memory was 97.5 MB in the beginning and 94.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:33,132 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 8]: 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. Predicate is 6#(and (= 0 Easy_x) (not (= 1 Easy_x))). 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 131.6 MB. Free memory is still 108.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.00 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 105.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 210.10 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 97.5 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 103.71 ms. Allocated memory is still 131.6 MB. Free memory was 97.5 MB in the beginning and 94.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...