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/BugSequentialComposition03.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:19:23,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:19:23,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:19:23,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:19:23,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:19:23,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:19:23,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:19:23,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:19:23,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:19:23,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:19:23,696 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:19:23,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:19:23,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:19:23,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:19:23,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:19:23,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:19:23,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:19:23,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:19:23,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:19:23,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:19:23,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:19:23,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:19:23,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:19:23,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:19:23,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:19:23,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:19:23,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:19:23,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:19:23,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:19:23,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:19:23,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:19:23,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:19:23,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:19:23,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:19:23,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:19:23,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:19:23,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:19:23,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:19:23,721 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:19:23,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:19:23,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:19:23,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:19:23,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:19:23,785 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:19:23,786 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:19:23,787 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:19:23,787 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugSequentialComposition03.bpl [2019-08-09 14:19:23,788 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugSequentialComposition03.bpl' [2019-08-09 14:19:23,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:19:23,829 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:19:23,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:19:23,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:19:23,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:19:23,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:23" (1/1) ... [2019-08-09 14:19:23,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:23" (1/1) ... [2019-08-09 14:19:23,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:23" (1/1) ... [2019-08-09 14:19:23,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:23" (1/1) ... [2019-08-09 14:19:23,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:23" (1/1) ... [2019-08-09 14:19:23,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:23" (1/1) ... [2019-08-09 14:19:23,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:23" (1/1) ... [2019-08-09 14:19:23,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:19:23,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:19:23,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:19:23,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:19:23,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:23" (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 14:19:23,925 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-09 14:19:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:19:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:19:24,100 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:19:24,100 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:19:24,102 INFO L202 PluginConnector]: Adding new model BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:24 BoogieIcfgContainer [2019-08-09 14:19:24,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:19:24,102 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:19:24,103 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:19:24,103 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:19:24,104 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugSequentialComposition03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:24" (1/1) ... [2019-08-09 14:19:24,227 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:19:24,239 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:19:24,243 INFO L168 Benchmark]: Toolchain (without parser) took 412.36 ms. Allocated memory is still 135.8 MB. Free memory was 104.1 MB in the beginning and 88.3 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:24,245 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory is still 105.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 14:19:24,247 INFO L168 Benchmark]: Boogie Preprocessor took 32.65 ms. Allocated memory is still 135.8 MB. Free memory was 104.1 MB in the beginning and 102.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:24,248 INFO L168 Benchmark]: RCFGBuilder took 239.76 ms. Allocated memory is still 135.8 MB. Free memory was 102.0 MB in the beginning and 92.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:24,250 INFO L168 Benchmark]: Symbolic Interpretation took 137.12 ms. Allocated memory is still 135.8 MB. Free memory was 92.1 MB in the beginning and 88.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:24,257 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 19]: 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 (= main_d 0) (= main_e main_c)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory is still 105.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.65 ms. Allocated memory is still 135.8 MB. Free memory was 104.1 MB in the beginning and 102.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 239.76 ms. Allocated memory is still 135.8 MB. Free memory was 102.0 MB in the beginning and 92.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 137.12 ms. Allocated memory is still 135.8 MB. Free memory was 92.1 MB in the beginning and 88.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...