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/interprocedural/BugBackwardPredicates04.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:21,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:21,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:21,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:21,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:21,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:21,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:21,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:21,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:21,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:21,901 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:21,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:21,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:21,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:21,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:21,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:21,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:21,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:21,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:21,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:21,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:21,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:21,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:21,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:21,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:21,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:21,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:21,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:21,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:21,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:21,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:21,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:21,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:21,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:21,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:21,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:21,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:21,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:21,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:21,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:21,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:21,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:21,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:21,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:21,998 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:21,998 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:21,999 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugBackwardPredicates04.bpl [2019-08-06 16:58:21,999 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugBackwardPredicates04.bpl' [2019-08-06 16:58:22,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:22,031 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:22,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:22,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:22,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:22,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugBackwardPredicates04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:22" (1/1) ... [2019-08-06 16:58:22,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugBackwardPredicates04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:22" (1/1) ... [2019-08-06 16:58:22,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugBackwardPredicates04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:22" (1/1) ... [2019-08-06 16:58:22,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugBackwardPredicates04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:22" (1/1) ... [2019-08-06 16:58:22,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugBackwardPredicates04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:22" (1/1) ... [2019-08-06 16:58:22,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugBackwardPredicates04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:22" (1/1) ... [2019-08-06 16:58:22,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugBackwardPredicates04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:22" (1/1) ... [2019-08-06 16:58:22,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:22,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:22,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:22,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:22,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugBackwardPredicates04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:22" (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 16:58:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-06 16:58:22,139 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:58:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-06 16:58:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:58:22,346 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:22,346 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:58:22,347 INFO L202 PluginConnector]: Adding new model BugBackwardPredicates04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:22 BoogieIcfgContainer [2019-08-06 16:58:22,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:22,348 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:22,348 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:22,348 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:22,349 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugBackwardPredicates04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:22" (1/1) ... [2019-08-06 16:58:22,359 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:22,362 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:22,369 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:58:22,377 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:22,379 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:58:22,432 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:22,432 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:22,437 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 10#(not (= |old(g)| 7)) [2019-08-06 16:58:22,438 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:22,445 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:22,453 INFO L168 Benchmark]: Toolchain (without parser) took 415.79 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 94.0 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:22,455 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 111.3 MB in the beginning and 111.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:58:22,458 INFO L168 Benchmark]: Boogie Preprocessor took 40.84 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 108.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:22,459 INFO L168 Benchmark]: RCFGBuilder took 274.17 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 98.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:22,461 INFO L168 Benchmark]: Symbolic Interpretation took 97.83 ms. Allocated memory is still 133.7 MB. Free memory was 98.7 MB in the beginning and 94.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:22,466 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 37]: 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 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 111.3 MB in the beginning and 111.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.84 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 108.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 274.17 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 98.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 97.83 ms. Allocated memory is still 133.7 MB. Free memory was 98.7 MB in the beginning and 94.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...