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/toy/LabelEncodingWithUnrolling.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:54:55,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:54:55,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:54:55,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:54:55,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:54:55,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:54:55,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:54:55,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:54:55,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:54:55,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:54:55,883 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:54:55,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:54:55,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:54:55,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:54:55,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:54:55,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:54:55,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:54:55,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:54:55,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:54:55,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:54:55,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:54:55,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:54:55,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:54:55,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:54:55,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:54:55,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:54:55,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:54:55,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:54:55,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:54:55,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:54:55,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:54:55,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:54:55,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:54:55,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:54:55,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:54:55,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:54:55,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:54:55,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:54:55,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:54:55,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:54:55,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:54:55,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:54:55,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:54:55,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:54:55,980 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:54:55,980 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:54:55,981 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/LabelEncodingWithUnrolling.bpl [2019-08-06 16:54:55,981 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/LabelEncodingWithUnrolling.bpl' [2019-08-06 16:54:56,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:54:56,016 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:54:56,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:54:56,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:54:56,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:54:56,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:56" (1/1) ... [2019-08-06 16:54:56,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:56" (1/1) ... [2019-08-06 16:54:56,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:56" (1/1) ... [2019-08-06 16:54:56,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:56" (1/1) ... [2019-08-06 16:54:56,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:56" (1/1) ... [2019-08-06 16:54:56,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:56" (1/1) ... [2019-08-06 16:54:56,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:56" (1/1) ... [2019-08-06 16:54:56,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:54:56,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:54:56,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:54:56,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:54:56,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:56" (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 16:54:56,151 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:54:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:54:56,151 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:54:56,430 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:54:56,430 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:54:56,431 INFO L202 PluginConnector]: Adding new model LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:56 BoogieIcfgContainer [2019-08-06 16:54:56,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:54:56,432 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:54:56,432 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:54:56,433 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:54:56,433 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:56" (1/1) ... [2019-08-06 16:54:56,444 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:54:56,447 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:54:56,453 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:54:56,462 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:54:56,463 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:54:56,556 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:54:56,556 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:54:56,560 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONINVARIANTandASSERT has predicate 20#(and (= main_y (- 1)) (or (exists ((v_main_x_9 Bool) (v_main_y_8 Int)) (and (or (and (= v_main_x_9 main_x) v_main_x_9 (= v_main_y_8 main_y)) (and (= (+ v_main_y_8 (- 1)) main_y) (= v_main_x_9 main_x) (not v_main_x_9)) (and v_main_x_9 (not main_x) (= v_main_y_8 main_y)) (and (= v_main_x_9 main_x) (= v_main_y_8 main_y)) (and (= v_main_x_9 main_x) (= v_main_y_8 main_y) (not v_main_x_9))) (not (= v_main_y_8 (- 1))) (exists ((v_main_x_8 Bool) (v_main_y_7 Int)) (and (or (and (= v_main_y_8 v_main_y_7) v_main_x_8 (not v_main_x_9)) (and (= v_main_y_8 v_main_y_7) (= v_main_x_8 v_main_x_9)) (and (= v_main_y_8 v_main_y_7) (= v_main_x_8 v_main_x_9) (not v_main_x_8)) (and (= v_main_y_8 (+ v_main_y_7 (- 1))) (= v_main_x_8 v_main_x_9) (not v_main_x_8)) (and (= v_main_y_8 v_main_y_7) v_main_x_8 (= v_main_x_8 v_main_x_9))) (or (and (exists ((v_main_x_7 Bool)) (and v_main_x_7 (or (and v_main_x_7 (not v_main_x_8) (= v_main_y_7 0)) (and (= v_main_x_7 v_main_x_8) (not v_main_x_7) (= v_main_y_7 0)) (and v_main_x_7 (= v_main_x_7 v_main_x_8) (= v_main_y_7 0)) (and (= v_main_x_7 v_main_x_8) (= v_main_y_7 0)) (and (= v_main_y_7 (- 1)) (= v_main_x_7 v_main_x_8) (not v_main_x_7))))) (not (= v_main_y_7 (- 1)))) (and v_main_x_8 (not (= v_main_y_7 (- 1))) (= v_main_y_7 0))))))) (and (= main_y 0) main_x))) [2019-08-06 16:54:56,561 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:54:56,569 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:54:56,572 INFO L168 Benchmark]: Toolchain (without parser) took 554.67 ms. Allocated memory is still 134.2 MB. Free memory was 110.7 MB in the beginning and 93.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:56,574 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 111.9 MB in the beginning and 111.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:54:56,575 INFO L168 Benchmark]: Boogie Preprocessor took 49.79 ms. Allocated memory is still 134.2 MB. Free memory was 110.7 MB in the beginning and 108.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:56,576 INFO L168 Benchmark]: RCFGBuilder took 364.39 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 99.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:56,577 INFO L168 Benchmark]: Symbolic Interpretation took 137.13 ms. Allocated memory is still 134.2 MB. Free memory was 99.0 MB in the beginning and 93.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:56,581 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 18]: Unable to prove that loop invariant is valid and assertion always holds Unable to prove that loop invariant is valid and 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 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 111.9 MB in the beginning and 111.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.79 ms. Allocated memory is still 134.2 MB. Free memory was 110.7 MB in the beginning and 108.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 364.39 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 99.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 137.13 ms. Allocated memory is still 134.2 MB. Free memory was 99.0 MB in the beginning and 93.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...