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/MultipleModifiesSpecifications.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:19:24,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:19:24,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:19:24,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:19:24,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:19:24,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:19:24,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:19:24,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:19:24,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:19:24,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:19:24,189 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:19:24,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:19:24,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:19:24,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:19:24,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:19:24,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:19:24,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:19:24,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:19:24,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:19:24,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:19:24,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:19:24,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:19:24,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:19:24,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:19:24,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:19:24,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:19:24,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:19:24,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:19:24,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:19:24,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:19:24,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:19:24,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:19:24,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:19:24,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:19:24,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:19:24,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:19:24,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:19:24,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:19:24,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:19:24,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:19:24,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:19:24,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:19:24,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:19:24,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:19:24,289 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:19:24,290 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:19:24,290 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/MultipleModifiesSpecifications.bpl [2019-08-09 14:19:24,291 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/MultipleModifiesSpecifications.bpl' [2019-08-09 14:19:24,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:19:24,327 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:19:24,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:19:24,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:19:24,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:19:24,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:24" (1/1) ... [2019-08-09 14:19:24,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:24" (1/1) ... [2019-08-09 14:19:24,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:24" (1/1) ... [2019-08-09 14:19:24,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:24" (1/1) ... [2019-08-09 14:19:24,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:24" (1/1) ... [2019-08-09 14:19:24,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:24" (1/1) ... [2019-08-09 14:19:24,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:24" (1/1) ... [2019-08-09 14:19:24,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:19:24,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:19:24,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:19:24,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:19:24,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:24" (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 14:19:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:19:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:19:24,590 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:19:24,591 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:19:24,593 INFO L202 PluginConnector]: Adding new model MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:24 BoogieIcfgContainer [2019-08-09 14:19:24,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:19:24,594 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:19:24,594 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:19:24,595 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:19:24,596 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:24" (1/1) ... [2019-08-09 14:19:24,710 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:19:24,719 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:19:24,722 INFO L168 Benchmark]: Toolchain (without parser) took 394.06 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 93.0 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:24,724 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:19:24,725 INFO L168 Benchmark]: Boogie Preprocessor took 44.10 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 105.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:24,726 INFO L168 Benchmark]: RCFGBuilder took 218.70 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 96.7 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:24,727 INFO L168 Benchmark]: Symbolic Interpretation took 125.37 ms. Allocated memory is still 138.9 MB. Free memory was 96.7 MB in the beginning and 93.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:24,733 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 14]: 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 (not (= |old(y)| y)) (= 1 y) (not (= |old(x)| x)) (= 1 x)). 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 138.9 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.10 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 105.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 218.70 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 96.7 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 125.37 ms. Allocated memory is still 138.9 MB. Free memory was 96.7 MB in the beginning and 93.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...