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/abstractInterpretation/regression/all/special-cnf-conversion-bug-2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:03,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:03,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:03,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:03,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:03,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:03,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:03,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:03,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:03,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:03,647 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:03,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:03,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:03,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:03,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:03,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:03,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:03,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:03,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:03,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:03,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:03,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:03,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:03,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:03,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:03,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:03,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:03,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:03,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:03,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:03,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:03,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:03,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:03,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:03,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:03,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:03,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:03,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:03,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:03,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:03,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:03,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:03,768 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:03,772 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:03,773 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:03,774 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:03,775 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/special-cnf-conversion-bug-2.bpl [2019-08-06 16:59:03,775 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/special-cnf-conversion-bug-2.bpl' [2019-08-06 16:59:03,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:03,811 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:03,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:03,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:03,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:03,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "special-cnf-conversion-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:03" (1/1) ... [2019-08-06 16:59:03,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "special-cnf-conversion-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:03" (1/1) ... [2019-08-06 16:59:03,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "special-cnf-conversion-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:03" (1/1) ... [2019-08-06 16:59:03,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "special-cnf-conversion-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:03" (1/1) ... [2019-08-06 16:59:03,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "special-cnf-conversion-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:03" (1/1) ... [2019-08-06 16:59:03,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "special-cnf-conversion-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:03" (1/1) ... [2019-08-06 16:59:03,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "special-cnf-conversion-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:03" (1/1) ... [2019-08-06 16:59:03,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:03,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:03,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:03,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:03,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "special-cnf-conversion-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:03" (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 16:59:03,923 INFO L124 BoogieDeclarations]: Specification and implementation of procedure method1 given in one single declaration [2019-08-06 16:59:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure method1 [2019-08-06 16:59:03,924 INFO L138 BoogieDeclarations]: Found implementation of procedure method1 [2019-08-06 16:59:04,142 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:04,142 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-06 16:59:04,143 INFO L202 PluginConnector]: Adding new model special-cnf-conversion-bug-2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:04 BoogieIcfgContainer [2019-08-06 16:59:04,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:04,144 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:04,144 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:04,144 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:04,145 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "special-cnf-conversion-bug-2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:04" (1/1) ... [2019-08-06 16:59:04,156 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:59:04,159 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:04,166 INFO L160 IcfgInterpreter]: Initial procedures are [method1] [2019-08-06 16:59:04,174 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:04,175 INFO L185 IcfgInterpreter]: Interpreting procedure method1 with input of size 1 [2019-08-06 16:59:04,227 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:04,227 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:04,230 INFO L179 IcfgInterpreter]: Location method1Err0ASSERT_VIOLATIONASSERT has predicate 9#(or (and (not B) (not A)) (not B)) [2019-08-06 16:59:04,231 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:04,238 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:04,241 INFO L168 Benchmark]: Toolchain (without parser) took 428.79 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 92.2 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:04,242 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:04,243 INFO L168 Benchmark]: Boogie Preprocessor took 44.26 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 105.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:04,244 INFO L168 Benchmark]: RCFGBuilder took 287.11 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 96.2 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:04,245 INFO L168 Benchmark]: Symbolic Interpretation took 93.99 ms. Allocated memory is still 138.9 MB. Free memory was 96.2 MB in the beginning and 92.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:04,250 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 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.26 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 105.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 287.11 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 96.2 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 93.99 ms. Allocated memory is still 138.9 MB. Free memory was 96.2 MB in the beginning and 92.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...