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/toolDirectives/Overapproximation.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:01,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:01,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:01,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:01,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:01,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:01,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:01,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:01,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:01,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:01,798 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:01,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:01,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:01,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:01,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:01,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:01,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:01,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:01,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:01,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:01,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:01,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:01,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:01,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:01,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:01,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:01,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:01,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:01,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:01,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:01,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:01,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:01,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:01,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:01,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:01,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:01,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:01,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:01,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:01,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:01,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:01,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:01,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:01,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:01,894 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:01,894 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:01,895 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/toolDirectives/Overapproximation.bpl [2019-08-06 16:58:01,895 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/toolDirectives/Overapproximation.bpl' [2019-08-06 16:58:01,924 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:01,926 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:01,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:01,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:01,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:01,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:01" (1/1) ... [2019-08-06 16:58:01,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:01" (1/1) ... [2019-08-06 16:58:01,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:01" (1/1) ... [2019-08-06 16:58:01,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:01" (1/1) ... [2019-08-06 16:58:01,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:01" (1/1) ... [2019-08-06 16:58:01,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:01" (1/1) ... [2019-08-06 16:58:01,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:01" (1/1) ... [2019-08-06 16:58:01,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:01,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:01,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:01,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:01,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:01" (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 16:58:02,018 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:58:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:58:02,019 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:58:02,157 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:02,157 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:58:02,158 INFO L202 PluginConnector]: Adding new model Overapproximation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:02 BoogieIcfgContainer [2019-08-06 16:58:02,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:02,159 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:02,159 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:02,159 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:02,160 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Overapproximation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:02" (1/1) ... [2019-08-06 16:58:02,170 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:02,173 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:02,179 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:58:02,187 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:02,189 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:58:02,224 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:02,224 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:02,227 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (not (= main_x 0)) (= main_z 2) (= main_y 1)) [2019-08-06 16:58:02,228 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:02,235 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:02,238 INFO L168 Benchmark]: Toolchain (without parser) took 311.41 ms. Allocated memory is still 138.4 MB. Free memory was 107.6 MB in the beginning and 93.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:02,239 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 138.4 MB. Free memory is still 108.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:58:02,245 INFO L168 Benchmark]: Boogie Preprocessor took 39.26 ms. Allocated memory is still 138.4 MB. Free memory was 107.6 MB in the beginning and 105.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:02,247 INFO L168 Benchmark]: RCFGBuilder took 192.29 ms. Allocated memory is still 138.4 MB. Free memory was 105.4 MB in the beginning and 97.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:02,249 INFO L168 Benchmark]: Symbolic Interpretation took 76.68 ms. Allocated memory is still 138.4 MB. Free memory was 97.0 MB in the beginning and 93.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:02,254 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 26]: 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 0.17 ms. Allocated memory is still 138.4 MB. Free memory is still 108.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.26 ms. Allocated memory is still 138.4 MB. Free memory was 107.6 MB in the beginning and 105.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 192.29 ms. Allocated memory is still 138.4 MB. Free memory was 105.4 MB in the beginning and 97.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 76.68 ms. Allocated memory is still 138.4 MB. Free memory was 97.0 MB in the beginning and 93.2 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...