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/errorLocalization/CallAndReturn/call_return_simple2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:55:41,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:55:41,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:55:41,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:55:41,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:55:41,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:55:41,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:55:41,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:55:41,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:55:41,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:55:41,781 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:55:41,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:55:41,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:55:41,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:55:41,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:55:41,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:55:41,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:55:41,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:55:41,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:55:41,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:55:41,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:55:41,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:55:41,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:55:41,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:55:41,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:55:41,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:55:41,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:55:41,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:55:41,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:55:41,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:55:41,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:55:41,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:55:41,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:55:41,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:55:41,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:55:41,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:55:41,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:55:41,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:55:41,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:55:41,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:55:41,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:55:41,842 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:55:41,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:55:41,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:55:41,871 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:55:41,872 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:55:41,873 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/CallAndReturn/call_return_simple2.bpl [2019-08-06 16:55:41,873 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/CallAndReturn/call_return_simple2.bpl' [2019-08-06 16:55:41,907 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:55:41,910 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:55:41,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:55:41,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:55:41,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:55:41,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "call_return_simple2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:41" (1/1) ... [2019-08-06 16:55:41,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "call_return_simple2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:41" (1/1) ... [2019-08-06 16:55:41,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "call_return_simple2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:41" (1/1) ... [2019-08-06 16:55:41,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "call_return_simple2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:41" (1/1) ... [2019-08-06 16:55:41,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "call_return_simple2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:41" (1/1) ... [2019-08-06 16:55:41,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "call_return_simple2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:41" (1/1) ... [2019-08-06 16:55:41,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "call_return_simple2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:41" (1/1) ... [2019-08-06 16:55:41,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:55:41,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:55:41,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:55:41,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:55:41,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "call_return_simple2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:41" (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 16:55:42,024 INFO L124 BoogieDeclarations]: Specification and implementation of procedure F given in one single declaration [2019-08-06 16:55:42,024 INFO L130 BoogieDeclarations]: Found specification of procedure F [2019-08-06 16:55:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure F [2019-08-06 16:55:42,025 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:55:42,025 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:55:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:55:42,302 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:55:42,302 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:55:42,304 INFO L202 PluginConnector]: Adding new model call_return_simple2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:42 BoogieIcfgContainer [2019-08-06 16:55:42,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:55:42,304 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:55:42,305 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:55:42,305 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:55:42,306 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "call_return_simple2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:42" (1/1) ... [2019-08-06 16:55:42,319 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:55:42,322 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:55:42,333 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:55:42,345 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:55:42,347 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:55:42,423 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:55:42,424 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:55:42,426 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 9#(= main_c 2) [2019-08-06 16:55:42,427 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:55:42,435 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:55:42,438 INFO L168 Benchmark]: Toolchain (without parser) took 527.72 ms. Allocated memory is still 138.9 MB. Free memory was 107.6 MB in the beginning and 91.6 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:42,439 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:55:42,440 INFO L168 Benchmark]: Boogie Preprocessor took 45.02 ms. Allocated memory is still 138.9 MB. Free memory was 107.4 MB in the beginning and 105.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:42,442 INFO L168 Benchmark]: RCFGBuilder took 348.06 ms. Allocated memory is still 138.9 MB. Free memory was 105.2 MB in the beginning and 96.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:42,443 INFO L168 Benchmark]: Symbolic Interpretation took 130.56 ms. Allocated memory is still 138.9 MB. Free memory was 96.2 MB in the beginning and 91.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:42,448 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 20]: 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 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.02 ms. Allocated memory is still 138.9 MB. Free memory was 107.4 MB in the beginning and 105.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 348.06 ms. Allocated memory is still 138.9 MB. Free memory was 105.2 MB in the beginning and 96.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 130.56 ms. Allocated memory is still 138.9 MB. Free memory was 96.2 MB in the beginning and 91.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...