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 0.1.24-4ddfff8 [2019-08-09 14:19:13,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:19:13,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:19:13,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:19:13,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:19:13,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:19:13,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:19:13,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:19:13,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:19:13,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:19:13,832 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:19:13,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:19:13,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:19:13,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:19:13,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:19:13,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:19:13,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:19:13,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:19:13,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:19:13,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:19:13,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:19:13,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:19:13,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:19:13,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:19:13,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:19:13,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:19:13,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:19:13,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:19:13,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:19:13,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:19:13,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:19:13,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:19:13,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:19:13,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:19:13,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:19:13,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:19:13,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:19:13,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:19:13,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:19:13,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:19:13,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:19:13,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:19:13,898 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:19:13,901 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:19:13,903 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:19:13,904 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:19:13,904 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugIsInductiveReturnGlobalVarRenaming.bpl [2019-08-09 14:19:13,905 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugIsInductiveReturnGlobalVarRenaming.bpl' [2019-08-09 14:19:13,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:19:13,938 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:19:13,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:19:13,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:19:13,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:19:13,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugIsInductiveReturnGlobalVarRenaming.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:13" (1/1) ... [2019-08-09 14:19:13,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugIsInductiveReturnGlobalVarRenaming.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:13" (1/1) ... [2019-08-09 14:19:13,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugIsInductiveReturnGlobalVarRenaming.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:13" (1/1) ... [2019-08-09 14:19:13,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugIsInductiveReturnGlobalVarRenaming.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:13" (1/1) ... [2019-08-09 14:19:13,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugIsInductiveReturnGlobalVarRenaming.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:13" (1/1) ... [2019-08-09 14:19:13,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugIsInductiveReturnGlobalVarRenaming.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:13" (1/1) ... [2019-08-09 14:19:13,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugIsInductiveReturnGlobalVarRenaming.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:13" (1/1) ... [2019-08-09 14:19:13,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:19:13,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:19:13,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:19:13,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:19:13,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugIsInductiveReturnGlobalVarRenaming.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:13" (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 14:19:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-09 14:19:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-09 14:19:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2019-08-09 14:19:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2019-08-09 14:19:14,285 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:19:14,286 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-09 14:19:14,288 INFO L202 PluginConnector]: Adding new model BugIsInductiveReturnGlobalVarRenaming.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:14 BoogieIcfgContainer [2019-08-09 14:19:14,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:19:14,289 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:19:14,289 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:19:14,289 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:19:14,290 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugIsInductiveReturnGlobalVarRenaming.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:14" (1/1) ... [2019-08-09 14:19:14,430 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:19:14,440 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:19:14,444 INFO L168 Benchmark]: Toolchain (without parser) took 504.02 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 90.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:14,451 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:19:14,453 INFO L168 Benchmark]: Boogie Preprocessor took 40.63 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 106.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:14,456 INFO L168 Benchmark]: RCFGBuilder took 308.00 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 95.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:14,459 INFO L168 Benchmark]: Symbolic Interpretation took 151.98 ms. Allocated memory is still 131.6 MB. Free memory was 95.0 MB in the beginning and 90.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:14,465 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. Predicate is 10#(and (= Main_b 1) (not (= g 0)) (not (= 1 g)) (or (= Main_b g) (= g 0))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.63 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 106.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 308.00 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 95.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 151.98 ms. Allocated memory is still 131.6 MB. Free memory was 95.0 MB in the beginning and 90.6 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...