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-b03553c [2019-08-05 18:12:44,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:12:44,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:12:44,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:12:44,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:12:44,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:12:44,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:12:44,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:12:44,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:12:44,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:12:44,346 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:12:44,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:12:44,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:12:44,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:12:44,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:12:44,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:12:44,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:12:44,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:12:44,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:12:44,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:12:44,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:12:44,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:12:44,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:12:44,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:12:44,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:12:44,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:12:44,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:12:44,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:12:44,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:12:44,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:12:44,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:12:44,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:12:44,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:12:44,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:12:44,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:12:44,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:12:44,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:12:44,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:12:44,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:12:44,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:12:44,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:12:44,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:12:44,465 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:12:44,469 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:12:44,471 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:12:44,472 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:12:44,472 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/arraySearchFirstAndLast.bpl [2019-08-05 18:12:44,473 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/arraySearchFirstAndLast.bpl' [2019-08-05 18:12:44,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:12:44,510 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:12:44,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:12:44,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:12:44,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:12:44,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:44" (1/1) ... [2019-08-05 18:12:44,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:44" (1/1) ... [2019-08-05 18:12:44,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:44" (1/1) ... [2019-08-05 18:12:44,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:44" (1/1) ... [2019-08-05 18:12:44,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:44" (1/1) ... [2019-08-05 18:12:44,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:44" (1/1) ... [2019-08-05 18:12:44,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:44" (1/1) ... [2019-08-05 18:12:44,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:12:44,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:12:44,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:12:44,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:12:44,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:44" (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 [2019-08-05 18:12:44,625 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 18:12:44,625 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:12:44,626 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:12:45,044 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:12:45,044 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:12:45,046 INFO L202 PluginConnector]: Adding new model arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:45 BoogieIcfgContainer [2019-08-05 18:12:45,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:12:45,046 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:12:45,046 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:12:45,047 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:12:45,048 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:45" (1/1) ... [2019-08-05 18:12:45,057 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:12:45,066 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:12:45,073 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:12:45,081 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:12:45,082 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:12:45,186 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:12:45,187 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:12:45,190 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)))) [2019-08-05 18:12:45,191 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:12:45,199 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:12:45,202 INFO L168 Benchmark]: Toolchain (without parser) took 690.53 ms. Allocated memory is still 139.5 MB. Free memory was 107.9 MB in the beginning and 85.4 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:45,203 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 18:12:45,204 INFO L168 Benchmark]: Boogie Preprocessor took 46.86 ms. Allocated memory is still 139.5 MB. Free memory was 107.9 MB in the beginning and 105.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:45,206 INFO L168 Benchmark]: RCFGBuilder took 487.61 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 91.4 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:45,207 INFO L168 Benchmark]: Symbolic Interpretation took 152.68 ms. Allocated memory is still 139.5 MB. Free memory was 91.4 MB in the beginning and 85.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:45,211 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 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.86 ms. Allocated memory is still 139.5 MB. Free memory was 107.9 MB in the beginning and 105.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 487.61 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 91.4 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 152.68 ms. Allocated memory is still 139.5 MB. Free memory was 91.4 MB in the beginning and 85.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...