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/BugGotoRemoval01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:18:59,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:18:59,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:18:59,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:18:59,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:18:59,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:18:59,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:18:59,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:18:59,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:18:59,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:18:59,849 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:18:59,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:18:59,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:18:59,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:18:59,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:18:59,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:18:59,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:18:59,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:18:59,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:18:59,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:18:59,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:18:59,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:18:59,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:18:59,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:18:59,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:18:59,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:18:59,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:18:59,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:18:59,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:18:59,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:18:59,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:18:59,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:18:59,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:18:59,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:18:59,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:18:59,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:18:59,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:18:59,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:18:59,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:18:59,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:18:59,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:18:59,903 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:18:59,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:18:59,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:18:59,922 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:18:59,922 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:18:59,923 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugGotoRemoval01.bpl [2019-08-09 14:18:59,923 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugGotoRemoval01.bpl' [2019-08-09 14:18:59,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:18:59,958 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:18:59,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:18:59,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:18:59,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:18:59,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:59" (1/1) ... [2019-08-09 14:18:59,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:59" (1/1) ... [2019-08-09 14:18:59,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:59" (1/1) ... [2019-08-09 14:18:59,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:59" (1/1) ... [2019-08-09 14:18:59,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:59" (1/1) ... [2019-08-09 14:18:59,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:59" (1/1) ... [2019-08-09 14:18:59,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:59" (1/1) ... [2019-08-09 14:18:59,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:18:59,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:18:59,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:18:59,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:19:00,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:59" (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 14:19:00,081 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-09 14:19:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:19:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:19:00,205 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: x := 3; [2019-08-09 14:19:00,226 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:19:00,227 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:19:00,228 INFO L202 PluginConnector]: Adding new model BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:00 BoogieIcfgContainer [2019-08-09 14:19:00,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:19:00,229 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:19:00,229 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:19:00,229 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:19:00,230 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:00" (1/1) ... [2019-08-09 14:19:00,318 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:19:00,328 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:19:00,333 INFO L168 Benchmark]: Toolchain (without parser) took 373.37 ms. Allocated memory is still 135.8 MB. Free memory was 104.1 MB in the beginning and 89.2 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:00,336 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 135.8 MB. Free memory was 105.4 MB in the beginning and 105.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:19:00,337 INFO L168 Benchmark]: Boogie Preprocessor took 39.94 ms. Allocated memory is still 135.8 MB. Free memory was 104.1 MB in the beginning and 102.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:00,339 INFO L168 Benchmark]: RCFGBuilder took 229.87 ms. Allocated memory is still 135.8 MB. Free memory was 101.9 MB in the beginning and 93.4 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:00,341 INFO L168 Benchmark]: Symbolic Interpretation took 100.23 ms. Allocated memory is still 135.8 MB. Free memory was 93.2 MB in the beginning and 89.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:00,348 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 7#(= main_x 4). 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 135.8 MB. Free memory was 105.4 MB in the beginning and 105.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.94 ms. Allocated memory is still 135.8 MB. Free memory was 104.1 MB in the beginning and 102.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 229.87 ms. Allocated memory is still 135.8 MB. Free memory was 101.9 MB in the beginning and 93.4 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 100.23 ms. Allocated memory is still 135.8 MB. Free memory was 93.2 MB in the beginning and 89.4 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...