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/errorLocalization/arraySearchFirstAndLast.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:55:24,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:55:24,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:55:24,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:55:24,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:55:24,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:55:24,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:55:24,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:55:24,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:55:24,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:55:24,982 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:55:24,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:55:24,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:55:24,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:55:24,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:55:24,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:55:24,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:55:24,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:55:24,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:55:24,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:55:24,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:55:25,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:55:25,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:55:25,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:55:25,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:55:25,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:55:25,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:55:25,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:55:25,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:55:25,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:55:25,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:55:25,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:55:25,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:55:25,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:55:25,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:55:25,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:55:25,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:55:25,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:55:25,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:55:25,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:55:25,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:55:25,049 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:55:25,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:55:25,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:55:25,074 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:55:25,074 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:55:25,075 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/arraySearchFirstAndLast.bpl [2019-08-06 16:55:25,075 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/arraySearchFirstAndLast.bpl' [2019-08-06 16:55:25,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:55:25,109 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:55:25,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:55:25,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:55:25,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:55:25,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:25" (1/1) ... [2019-08-06 16:55:25,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:25" (1/1) ... [2019-08-06 16:55:25,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:25" (1/1) ... [2019-08-06 16:55:25,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:25" (1/1) ... [2019-08-06 16:55:25,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:25" (1/1) ... [2019-08-06 16:55:25,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:25" (1/1) ... [2019-08-06 16:55:25,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:25" (1/1) ... [2019-08-06 16:55:25,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:55:25,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:55:25,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:55:25,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:55:25,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:25" (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 16:55:25,229 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:55:25,229 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:55:25,230 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:55:25,782 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:55:25,782 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:55:25,784 INFO L202 PluginConnector]: Adding new model arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:25 BoogieIcfgContainer [2019-08-06 16:55:25,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:55:25,786 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:55:25,786 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:55:25,787 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:55:25,789 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:25" (1/1) ... [2019-08-06 16:55:25,799 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:55:25,802 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:55:25,809 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:55:25,817 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:55:25,819 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:55:25,943 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:55:25,944 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:55:25,947 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 26#(and (< main_i (+ main_n 1)) (or (not (<= main_f main_l)) (not (< main_l main_n))) (exists ((v_main_f_24 Int) (v_main_l_25 Int)) (and (or (and (= (- 1) v_main_f_24) (or (and (= main_f (+ main_i (- 1))) (= main_l (+ main_i (- 1))) (= main_x (select main_a (+ main_i (- 1))))) (and (= main_f v_main_f_24) (not (= main_x (select main_a (+ main_i (- 1))))) (= main_l v_main_l_25)))) (and (= main_f v_main_f_24) (or (and (= main_l (+ main_i (- 1))) (= main_x (select main_a (+ main_i (- 1))))) (and (not (= main_x (select main_a (+ main_i (- 1))))) (= main_l v_main_l_25))) (not (= (- 1) v_main_f_24)))) (<= v_main_f_24 v_main_l_25) (< v_main_l_25 main_n)))) [2019-08-06 16:55:25,948 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:55:25,956 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:55:25,959 INFO L168 Benchmark]: Toolchain (without parser) took 849.23 ms. Allocated memory is still 138.4 MB. Free memory was 106.8 MB in the beginning and 84.3 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:25,961 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 138.4 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:55:25,962 INFO L168 Benchmark]: Boogie Preprocessor took 46.03 ms. Allocated memory is still 138.4 MB. Free memory was 106.8 MB in the beginning and 104.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:25,963 INFO L168 Benchmark]: RCFGBuilder took 628.65 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 90.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:25,964 INFO L168 Benchmark]: Symbolic Interpretation took 170.05 ms. Allocated memory is still 138.4 MB. Free memory was 90.4 MB in the beginning and 84.3 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:25,968 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 30]: 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 0.16 ms. Allocated memory is still 138.4 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.03 ms. Allocated memory is still 138.4 MB. Free memory was 106.8 MB in the beginning and 104.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 628.65 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 90.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 170.05 ms. Allocated memory is still 138.4 MB. Free memory was 90.4 MB in the beginning and 84.3 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...