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/regression/bpl/interprocedural/BugIsInductiveReturnGlobalVarRenaming.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:20,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:20,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:20,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:20,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:20,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:20,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:20,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:20,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:20,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:20,976 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:20,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:20,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:20,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:20,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:20,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:20,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:20,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:20,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:20,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:20,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:20,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:20,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:21,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:21,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:21,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:21,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:21,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:21,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:21,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:21,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:21,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:21,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:21,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:21,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:21,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:21,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:21,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:21,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:21,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:21,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:21,039 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:21,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:21,055 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:21,056 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:21,057 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:21,058 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugIsInductiveReturnGlobalVarRenaming.bpl [2019-08-06 16:58:21,058 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugIsInductiveReturnGlobalVarRenaming.bpl' [2019-08-06 16:58:21,088 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:21,089 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:21,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:21,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:21,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:21,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugIsInductiveReturnGlobalVarRenaming.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:21" (1/1) ... [2019-08-06 16:58:21,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugIsInductiveReturnGlobalVarRenaming.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:21" (1/1) ... [2019-08-06 16:58:21,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugIsInductiveReturnGlobalVarRenaming.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:21" (1/1) ... [2019-08-06 16:58:21,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugIsInductiveReturnGlobalVarRenaming.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:21" (1/1) ... [2019-08-06 16:58:21,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugIsInductiveReturnGlobalVarRenaming.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:21" (1/1) ... [2019-08-06 16:58:21,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugIsInductiveReturnGlobalVarRenaming.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:21" (1/1) ... [2019-08-06 16:58:21,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugIsInductiveReturnGlobalVarRenaming.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:21" (1/1) ... [2019-08-06 16:58:21,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:21,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:21,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:21,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:21,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugIsInductiveReturnGlobalVarRenaming.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:21" (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 16:58:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-06 16:58:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-06 16:58:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2019-08-06 16:58:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2019-08-06 16:58:21,465 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:21,465 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-06 16:58:21,467 INFO L202 PluginConnector]: Adding new model BugIsInductiveReturnGlobalVarRenaming.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:21 BoogieIcfgContainer [2019-08-06 16:58:21,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:21,467 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:21,468 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:21,468 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:21,469 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugIsInductiveReturnGlobalVarRenaming.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:21" (1/1) ... [2019-08-06 16:58:21,509 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:21,517 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:21,527 INFO L160 IcfgInterpreter]: Initial procedures are [Main] [2019-08-06 16:58:21,535 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:21,537 INFO L185 IcfgInterpreter]: Interpreting procedure Main with input of size 1 [2019-08-06 16:58:21,624 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:21,624 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:21,629 INFO L179 IcfgInterpreter]: Location MainErr0ASSERT_VIOLATIONASSERT has predicate 10#(and (= Main_b 1) (not (= g 0)) (not (= 1 g)) (or (= Main_b g) (= g 0))) [2019-08-06 16:58:21,637 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:21,652 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:21,656 INFO L168 Benchmark]: Toolchain (without parser) took 564.43 ms. Allocated memory is still 138.4 MB. Free memory was 105.5 MB in the beginning and 88.0 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:21,657 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:58:21,660 INFO L168 Benchmark]: Boogie Preprocessor took 34.87 ms. Allocated memory is still 138.4 MB. Free memory was 105.5 MB in the beginning and 103.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:21,661 INFO L168 Benchmark]: RCFGBuilder took 341.54 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 92.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:21,662 INFO L168 Benchmark]: Symbolic Interpretation took 184.76 ms. Allocated memory is still 138.4 MB. Free memory was 92.3 MB in the beginning and 88.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:21,666 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 23]: 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 0.20 ms. Allocated memory is still 138.4 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.87 ms. Allocated memory is still 138.4 MB. Free memory was 105.5 MB in the beginning and 103.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 341.54 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 92.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 184.76 ms. Allocated memory is still 138.4 MB. Free memory was 92.3 MB in the beginning and 88.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...