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/CNFsimplifiesFormula.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:04,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:04,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:04,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:04,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:04,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:04,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:04,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:04,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:04,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:04,827 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:04,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:04,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:04,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:04,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:04,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:04,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:04,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:04,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:04,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:04,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:04,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:04,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:04,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:04,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:04,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:04,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:04,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:04,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:04,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:04,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:04,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:04,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:04,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:04,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:04,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:04,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:04,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:04,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:04,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:04,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:04,895 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:04,908 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:04,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:04,916 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:04,917 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:04,918 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/CNFsimplifiesFormula.bpl [2019-08-06 16:58:04,919 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/CNFsimplifiesFormula.bpl' [2019-08-06 16:58:04,954 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:04,956 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:04,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:04,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:04,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:04,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CNFsimplifiesFormula.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:04" (1/1) ... [2019-08-06 16:58:04,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CNFsimplifiesFormula.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:04" (1/1) ... [2019-08-06 16:58:04,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CNFsimplifiesFormula.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:04" (1/1) ... [2019-08-06 16:58:04,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CNFsimplifiesFormula.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:04" (1/1) ... [2019-08-06 16:58:04,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CNFsimplifiesFormula.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:04" (1/1) ... [2019-08-06 16:58:05,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CNFsimplifiesFormula.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:04" (1/1) ... [2019-08-06 16:58:05,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CNFsimplifiesFormula.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:04" (1/1) ... [2019-08-06 16:58:05,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:05,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:05,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:05,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:05,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CNFsimplifiesFormula.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:04" (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 16:58:05,077 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:58:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:58:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:58:05,232 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:05,232 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-06 16:58:05,233 INFO L202 PluginConnector]: Adding new model CNFsimplifiesFormula.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:05 BoogieIcfgContainer [2019-08-06 16:58:05,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:05,234 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:05,234 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:05,234 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:05,235 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "CNFsimplifiesFormula.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:05" (1/1) ... [2019-08-06 16:58:05,247 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:05,250 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:05,257 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:58:05,269 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:05,271 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:58:05,331 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:05,331 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:05,334 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 18#(not a1) [2019-08-06 16:58:05,335 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:05,343 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:05,346 INFO L168 Benchmark]: Toolchain (without parser) took 388.32 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 93.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:05,347 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:58:05,348 INFO L168 Benchmark]: Boogie Preprocessor took 46.44 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 107.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:05,350 INFO L168 Benchmark]: RCFGBuilder took 229.54 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 97.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:05,351 INFO L168 Benchmark]: Symbolic Interpretation took 109.04 ms. Allocated memory is still 133.2 MB. Free memory was 97.7 MB in the beginning and 93.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:05,356 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 25]: 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 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.44 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 107.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 229.54 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 97.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 109.04 ms. Allocated memory is still 133.2 MB. Free memory was 97.7 MB in the beginning and 93.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...