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/BugBackwardPredicates01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:19:18,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:19:18,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:19:18,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:19:18,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:19:18,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:19:18,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:19:18,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:19:18,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:19:18,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:19:18,957 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:19:18,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:19:18,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:19:18,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:19:18,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:19:18,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:19:18,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:19:18,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:19:18,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:19:18,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:19:18,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:19:18,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:19:18,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:19:18,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:19:18,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:19:18,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:19:18,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:19:18,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:19:18,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:19:18,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:19:18,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:19:18,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:19:18,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:19:18,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:19:18,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:19:18,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:19:18,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:19:18,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:19:18,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:19:18,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:19:18,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:19:19,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:19:19,020 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:19:19,024 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:19:19,025 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:19:19,026 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:19:19,026 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugBackwardPredicates01.bpl [2019-08-09 14:19:19,027 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugBackwardPredicates01.bpl' [2019-08-09 14:19:19,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:19:19,060 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:19:19,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:19:19,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:19:19,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:19:19,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugBackwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:19" (1/1) ... [2019-08-09 14:19:19,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugBackwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:19" (1/1) ... [2019-08-09 14:19:19,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugBackwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:19" (1/1) ... [2019-08-09 14:19:19,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugBackwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:19" (1/1) ... [2019-08-09 14:19:19,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugBackwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:19" (1/1) ... [2019-08-09 14:19:19,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugBackwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:19" (1/1) ... [2019-08-09 14:19:19,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugBackwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:19" (1/1) ... [2019-08-09 14:19:19,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:19:19,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:19:19,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:19:19,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:19:19,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugBackwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:19" (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 14:19:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure callee [2019-08-09 14:19:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:19:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:19:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure callee [2019-08-09 14:19:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:19:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:19:19,350 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:19:19,350 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:19:19,352 INFO L202 PluginConnector]: Adding new model BugBackwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:19 BoogieIcfgContainer [2019-08-09 14:19:19,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:19:19,352 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:19:19,352 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:19:19,353 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:19:19,354 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugBackwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:19" (1/1) ... [2019-08-09 14:19:19,446 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:19:19,453 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:19:19,456 INFO L168 Benchmark]: Toolchain (without parser) took 395.07 ms. Allocated memory is still 140.5 MB. Free memory was 108.8 MB in the beginning and 92.1 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:19,458 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:19:19,459 INFO L168 Benchmark]: Boogie Preprocessor took 38.63 ms. Allocated memory is still 140.5 MB. Free memory was 108.8 MB in the beginning and 106.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:19,460 INFO L168 Benchmark]: RCFGBuilder took 251.83 ms. Allocated memory is still 140.5 MB. Free memory was 106.8 MB in the beginning and 96.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:19,461 INFO L168 Benchmark]: Symbolic Interpretation took 101.44 ms. Allocated memory is still 140.5 MB. Free memory was 96.9 MB in the beginning and 92.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:19,465 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 24]: 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 12#(and (= main_tmp g) (not (= main_x (+ g (- 3)))) (= main_tmp (+ main_x 3)) (= main_x |old(g)|)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.63 ms. Allocated memory is still 140.5 MB. Free memory was 108.8 MB in the beginning and 106.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 251.83 ms. Allocated memory is still 140.5 MB. Free memory was 106.8 MB in the beginning and 96.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 101.44 ms. Allocated memory is still 140.5 MB. Free memory was 96.9 MB in the beginning and 92.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...