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-b03553c [2019-08-05 18:15:16,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:15:16,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:15:16,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:15:16,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:15:16,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:15:16,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:15:16,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:15:16,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:15:16,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:15:16,288 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:15:16,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:15:16,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:15:16,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:15:16,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:15:16,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:15:16,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:15:16,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:15:16,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:15:16,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:15:16,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:15:16,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:15:16,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:15:16,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:15:16,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:15:16,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:15:16,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:15:16,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:15:16,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:15:16,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:15:16,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:15:16,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:15:16,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:15:16,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:15:16,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:15:16,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:15:16,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:15:16,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:15:16,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:15:16,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:15:16,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:15:16,383 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:15:16,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:15:16,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:15:16,406 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:15:16,408 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:15:16,408 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugGotoRemoval01.bpl [2019-08-05 18:15:16,409 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugGotoRemoval01.bpl' [2019-08-05 18:15:16,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:15:16,447 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:15:16,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:15:16,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:15:16,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:15:16,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:16" (1/1) ... [2019-08-05 18:15:16,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:16" (1/1) ... [2019-08-05 18:15:16,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:16" (1/1) ... [2019-08-05 18:15:16,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:16" (1/1) ... [2019-08-05 18:15:16,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:16" (1/1) ... [2019-08-05 18:15:16,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:16" (1/1) ... [2019-08-05 18:15:16,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:16" (1/1) ... [2019-08-05 18:15:16,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:15:16,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:15:16,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:15:16,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:15:16,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:16" (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 [2019-08-05 18:15:16,557 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 18:15:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:15:16,558 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:15:16,708 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: x := 3; [2019-08-05 18:15:16,734 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:15:16,736 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:15:16,738 INFO L202 PluginConnector]: Adding new model BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:16 BoogieIcfgContainer [2019-08-05 18:15:16,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:15:16,738 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:15:16,739 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:15:16,739 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:15:16,740 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugGotoRemoval01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:16" (1/1) ... [2019-08-05 18:15:16,752 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:15:16,756 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:15:16,766 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:15:16,778 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:15:16,780 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:15:16,864 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:15:16,865 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:15:16,868 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 7#(= main_x 4) [2019-08-05 18:15:16,869 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:15:16,877 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:15:16,880 INFO L168 Benchmark]: Toolchain (without parser) took 432.02 ms. Allocated memory is still 141.0 MB. Free memory was 109.3 MB in the beginning and 94.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:16,882 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 110.6 MB in the beginning and 110.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 18:15:16,885 INFO L168 Benchmark]: Boogie Preprocessor took 44.00 ms. Allocated memory is still 141.0 MB. Free memory was 109.3 MB in the beginning and 107.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:16,886 INFO L168 Benchmark]: RCFGBuilder took 245.98 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 98.7 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:16,888 INFO L168 Benchmark]: Symbolic Interpretation took 138.56 ms. Allocated memory is still 141.0 MB. Free memory was 98.5 MB in the beginning and 94.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:16,894 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 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 110.6 MB in the beginning and 110.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.00 ms. Allocated memory is still 141.0 MB. Free memory was 109.3 MB in the beginning and 107.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 245.98 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 98.7 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 138.56 ms. Allocated memory is still 141.0 MB. Free memory was 98.5 MB in the beginning and 94.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...