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/BugUPD.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:06,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:06,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:06,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:06,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:06,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:06,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:06,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:06,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:06,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:06,258 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:06,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:06,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:06,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:06,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:06,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:06,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:06,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:06,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:06,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:06,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:06,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:06,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:06,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:06,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:06,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:06,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:06,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:06,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:06,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:06,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:06,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:06,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:06,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:06,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:06,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:06,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:06,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:06,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:06,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:06,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:06,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:06,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:06,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:06,341 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:06,342 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:06,343 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugUPD.bpl [2019-08-06 16:58:06,343 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugUPD.bpl' [2019-08-06 16:58:06,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:06,380 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:06,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:06,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:06,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:06,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugUPD.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:06" (1/1) ... [2019-08-06 16:58:06,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugUPD.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:06" (1/1) ... [2019-08-06 16:58:06,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugUPD.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:06" (1/1) ... [2019-08-06 16:58:06,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugUPD.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:06" (1/1) ... [2019-08-06 16:58:06,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugUPD.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:06" (1/1) ... [2019-08-06 16:58:06,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugUPD.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:06" (1/1) ... [2019-08-06 16:58:06,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugUPD.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:06" (1/1) ... [2019-08-06 16:58:06,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:06,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:06,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:06,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:06,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugUPD.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:06" (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 [2019-08-06 16:58:06,506 INFO L124 BoogieDeclarations]: Specification and implementation of procedure method1 given in one single declaration [2019-08-06 16:58:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure method1 [2019-08-06 16:58:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure method1 [2019-08-06 16:58:06,720 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:06,721 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:58:06,722 INFO L202 PluginConnector]: Adding new model BugUPD.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:06 BoogieIcfgContainer [2019-08-06 16:58:06,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:06,723 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:06,723 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:06,724 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:06,725 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugUPD.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:06" (1/1) ... [2019-08-06 16:58:06,736 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:06,739 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:06,746 INFO L160 IcfgInterpreter]: Initial procedures are [method1] [2019-08-06 16:58:06,754 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:06,756 INFO L185 IcfgInterpreter]: Interpreting procedure method1 with input of size 1 [2019-08-06 16:58:06,806 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:06,806 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:06,809 INFO L179 IcfgInterpreter]: Location method1Err0ASSERT_VIOLATIONASSERT has predicate 6#(and (not (= a 0)) (or (and (exists ((v_y_3 Int)) (not (= x v_y_3))) (= x 0)) (and (exists ((v_b_3 Int)) (not (= a v_b_3))) (= a 0))) (not (= x 0))) [2019-08-06 16:58:06,810 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:06,817 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:06,820 INFO L168 Benchmark]: Toolchain (without parser) took 438.37 ms. Allocated memory is still 141.0 MB. Free memory was 109.6 MB in the beginning and 94.3 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:06,821 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:58:06,822 INFO L168 Benchmark]: Boogie Preprocessor took 46.14 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:06,823 INFO L168 Benchmark]: RCFGBuilder took 294.99 ms. Allocated memory is still 141.0 MB. Free memory was 107.3 MB in the beginning and 98.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:06,824 INFO L168 Benchmark]: Symbolic Interpretation took 93.71 ms. Allocated memory is still 141.0 MB. Free memory was 98.7 MB in the beginning and 94.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:06,828 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 16]: 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 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.14 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 294.99 ms. Allocated memory is still 141.0 MB. Free memory was 107.3 MB in the beginning and 98.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 93.71 ms. Allocated memory is still 141.0 MB. Free memory was 98.7 MB in the beginning and 94.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...