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/TestSimultaneousAssignment.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:18:58,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:18:58,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:18:58,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:18:58,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:18:58,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:18:58,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:18:58,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:18:58,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:18:58,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:18:58,987 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:18:58,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:18:58,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:18:58,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:18:58,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:18:58,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:18:58,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:18:58,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:18:58,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:18:58,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:18:58,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:18:58,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:18:59,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:18:59,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:18:59,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:18:59,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:18:59,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:18:59,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:18:59,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:18:59,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:18:59,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:18:59,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:18:59,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:18:59,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:18:59,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:18:59,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:18:59,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:18:59,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:18:59,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:18:59,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:18:59,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:18:59,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:18:59,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:18:59,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:18:59,055 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:18:59,055 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:18:59,056 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestSimultaneousAssignment.bpl [2019-08-09 14:18:59,057 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestSimultaneousAssignment.bpl' [2019-08-09 14:18:59,081 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:18:59,083 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:18:59,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:18:59,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:18:59,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:18:59,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestSimultaneousAssignment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:59" (1/1) ... [2019-08-09 14:18:59,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestSimultaneousAssignment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:59" (1/1) ... [2019-08-09 14:18:59,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestSimultaneousAssignment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:59" (1/1) ... [2019-08-09 14:18:59,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestSimultaneousAssignment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:59" (1/1) ... [2019-08-09 14:18:59,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestSimultaneousAssignment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:59" (1/1) ... [2019-08-09 14:18:59,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestSimultaneousAssignment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:59" (1/1) ... [2019-08-09 14:18:59,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestSimultaneousAssignment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:59" (1/1) ... [2019-08-09 14:18:59,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:18:59,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:18:59,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:18:59,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:18:59,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestSimultaneousAssignment.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 14:18:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-09 14:18:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-09 14:18:59,328 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:18:59,329 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:18:59,330 INFO L202 PluginConnector]: Adding new model TestSimultaneousAssignment.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:18:59 BoogieIcfgContainer [2019-08-09 14:18:59,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:18:59,331 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:18:59,331 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:18:59,332 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:18:59,332 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TestSimultaneousAssignment.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:18:59" (1/1) ... [2019-08-09 14:18:59,404 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:18:59,411 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:18:59,415 INFO L168 Benchmark]: Toolchain (without parser) took 330.93 ms. Allocated memory is still 137.4 MB. Free memory was 107.7 MB in the beginning and 92.9 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:59,416 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:18:59,418 INFO L168 Benchmark]: Boogie Preprocessor took 40.09 ms. Allocated memory is still 137.4 MB. Free memory was 107.5 MB in the beginning and 105.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:59,419 INFO L168 Benchmark]: RCFGBuilder took 206.88 ms. Allocated memory is still 137.4 MB. Free memory was 105.3 MB in the beginning and 96.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:59,420 INFO L168 Benchmark]: Symbolic Interpretation took 80.75 ms. Allocated memory is still 137.4 MB. Free memory was 96.6 MB in the beginning and 93.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:59,424 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 20]: 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 (= proc_a 8) (= proc_b 2) (or (not (= proc_b 2)) (not (= proc_a 8)))). 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 137.4 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.09 ms. Allocated memory is still 137.4 MB. Free memory was 107.5 MB in the beginning and 105.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 206.88 ms. Allocated memory is still 137.4 MB. Free memory was 105.3 MB in the beginning and 96.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 80.75 ms. Allocated memory is still 137.4 MB. Free memory was 96.6 MB in the beginning and 93.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...