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 0.1.24-3b9210c [2019-08-06 16:58:05,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:05,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:05,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:05,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:05,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:05,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:05,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:05,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:05,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:05,856 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:05,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:05,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:05,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:05,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:05,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:05,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:05,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:05,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:05,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:05,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:05,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:05,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:05,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:05,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:05,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:05,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:05,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:05,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:05,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:05,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:05,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:05,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:05,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:05,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:05,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:05,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:05,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:05,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:05,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:05,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:05,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:05,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:05,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:05,928 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:05,929 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:05,929 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestSimultaneousAssignment.bpl [2019-08-06 16:58:05,930 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestSimultaneousAssignment.bpl' [2019-08-06 16:58:05,954 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:05,956 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:05,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:05,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:05,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:05,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestSimultaneousAssignment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:05" (1/1) ... [2019-08-06 16:58:05,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestSimultaneousAssignment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:05" (1/1) ... [2019-08-06 16:58:05,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestSimultaneousAssignment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:05" (1/1) ... [2019-08-06 16:58:05,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestSimultaneousAssignment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:05" (1/1) ... [2019-08-06 16:58:05,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestSimultaneousAssignment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:05" (1/1) ... [2019-08-06 16:58:05,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestSimultaneousAssignment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:05" (1/1) ... [2019-08-06 16:58:05,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestSimultaneousAssignment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:05" (1/1) ... [2019-08-06 16:58:05,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:05,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:05,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:05,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:05,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestSimultaneousAssignment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:05" (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 16:58:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-06 16:58:06,072 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-06 16:58:06,306 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:06,306 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:58:06,308 INFO L202 PluginConnector]: Adding new model TestSimultaneousAssignment.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:06 BoogieIcfgContainer [2019-08-06 16:58:06,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:06,309 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:06,310 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:06,310 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:06,311 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TestSimultaneousAssignment.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:06" (1/1) ... [2019-08-06 16:58:06,329 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:06,333 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:06,346 INFO L160 IcfgInterpreter]: Initial procedures are [proc] [2019-08-06 16:58:06,357 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:06,358 INFO L185 IcfgInterpreter]: Interpreting procedure proc with input of size 1 [2019-08-06 16:58:06,401 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:06,402 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:06,405 INFO L179 IcfgInterpreter]: Location procErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (= proc_a 8) (= proc_b 2) (or (not (= proc_b 2)) (not (= proc_a 8)))) [2019-08-06 16:58:06,406 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:06,413 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:06,416 INFO L168 Benchmark]: Toolchain (without parser) took 458.81 ms. Allocated memory is still 138.9 MB. Free memory was 110.6 MB in the beginning and 95.6 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:06,417 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 111.6 MB in the beginning and 111.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:58:06,419 INFO L168 Benchmark]: Boogie Preprocessor took 40.59 ms. Allocated memory is still 138.9 MB. Free memory was 110.3 MB in the beginning and 108.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:06,420 INFO L168 Benchmark]: RCFGBuilder took 310.82 ms. Allocated memory is still 138.9 MB. Free memory was 108.2 MB in the beginning and 99.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:06,421 INFO L168 Benchmark]: Symbolic Interpretation took 103.87 ms. Allocated memory is still 138.9 MB. Free memory was 99.5 MB in the beginning and 95.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:06,425 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.. 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 111.6 MB in the beginning and 111.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.59 ms. Allocated memory is still 138.9 MB. Free memory was 110.3 MB in the beginning and 108.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 310.82 ms. Allocated memory is still 138.9 MB. Free memory was 108.2 MB in the beginning and 99.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 103.87 ms. Allocated memory is still 138.9 MB. Free memory was 99.5 MB in the beginning and 95.6 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...