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/BugCNF02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:08,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:08,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:08,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:08,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:08,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:08,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:08,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:08,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:08,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:08,934 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:08,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:08,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:08,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:08,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:08,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:08,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:08,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:08,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:08,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:08,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:08,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:08,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:08,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:08,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:08,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:08,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:08,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:08,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:08,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:08,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:08,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:08,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:08,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:08,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:08,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:08,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:08,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:08,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:08,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:08,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:08,990 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:09,006 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:09,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:09,012 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:09,013 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:09,013 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugCNF02.bpl [2019-08-06 16:58:09,014 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugCNF02.bpl' [2019-08-06 16:58:09,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:09,051 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:09,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:09,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:09,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:09,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:09" (1/1) ... [2019-08-06 16:58:09,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:09" (1/1) ... [2019-08-06 16:58:09,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:09" (1/1) ... [2019-08-06 16:58:09,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:09" (1/1) ... [2019-08-06 16:58:09,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:09" (1/1) ... [2019-08-06 16:58:09,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:09" (1/1) ... [2019-08-06 16:58:09,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:09" (1/1) ... [2019-08-06 16:58:09,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:09,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:09,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:09,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:09,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:09" (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 16:58:09,168 INFO L124 BoogieDeclarations]: Specification and implementation of procedure method1 given in one single declaration [2019-08-06 16:58:09,168 INFO L130 BoogieDeclarations]: Found specification of procedure method1 [2019-08-06 16:58:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure method1 [2019-08-06 16:58:09,440 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:09,441 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-06 16:58:09,442 INFO L202 PluginConnector]: Adding new model BugCNF02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:09 BoogieIcfgContainer [2019-08-06 16:58:09,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:09,443 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:09,443 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:09,443 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:09,445 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:09" (1/1) ... [2019-08-06 16:58:09,458 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:09,464 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:09,478 INFO L160 IcfgInterpreter]: Initial procedures are [method1] [2019-08-06 16:58:09,488 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:09,489 INFO L185 IcfgInterpreter]: Interpreting procedure method1 with input of size 1 [2019-08-06 16:58:09,552 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:09,552 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:09,557 INFO L179 IcfgInterpreter]: Location method1Err0ASSERT_VIOLATIONASSERT has predicate 9#(or (and (not B) (not A)) (not B)) [2019-08-06 16:58:09,559 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:09,567 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:09,570 INFO L168 Benchmark]: Toolchain (without parser) took 517.60 ms. Allocated memory is still 137.9 MB. Free memory was 106.3 MB in the beginning and 90.9 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:09,571 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory is still 107.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:58:09,572 INFO L168 Benchmark]: Boogie Preprocessor took 46.02 ms. Allocated memory is still 137.9 MB. Free memory was 106.3 MB in the beginning and 104.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:09,573 INFO L168 Benchmark]: RCFGBuilder took 344.39 ms. Allocated memory is still 137.9 MB. Free memory was 104.1 MB in the beginning and 95.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:09,575 INFO L168 Benchmark]: Symbolic Interpretation took 123.82 ms. Allocated memory is still 137.9 MB. Free memory was 95.1 MB in the beginning and 90.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:09,579 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 23]: 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 137.9 MB. Free memory is still 107.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.02 ms. Allocated memory is still 137.9 MB. Free memory was 106.3 MB in the beginning and 104.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 344.39 ms. Allocated memory is still 137.9 MB. Free memory was 104.1 MB in the beginning and 95.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 123.82 ms. Allocated memory is still 137.9 MB. Free memory was 95.1 MB in the beginning and 90.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...