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-b8c145f [2019-08-05 11:50:14,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:50:14,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:50:14,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:50:14,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:50:14,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:50:14,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:50:14,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:50:14,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:50:14,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:50:14,356 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:50:14,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:50:14,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:50:14,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:50:14,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:50:14,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:50:14,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:50:14,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:50:14,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:50:14,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:50:14,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:50:14,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:50:14,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:50:14,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:50:14,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:50:14,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:50:14,374 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:50:14,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:50:14,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:50:14,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:50:14,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:50:14,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:50:14,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:50:14,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:50:14,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:50:14,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:50:14,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:50:14,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:50:14,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:50:14,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:50:14,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:50:14,410 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:50:14,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:50:14,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:50:14,427 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:50:14,427 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:50:14,428 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/arraySearchFirstAndLast.bpl [2019-08-05 11:50:14,428 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/arraySearchFirstAndLast.bpl' [2019-08-05 11:50:14,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:50:14,456 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:50:14,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:50:14,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:50:14,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:50:14,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:14" (1/1) ... [2019-08-05 11:50:14,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:14" (1/1) ... [2019-08-05 11:50:14,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:14" (1/1) ... [2019-08-05 11:50:14,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:14" (1/1) ... [2019-08-05 11:50:14,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:14" (1/1) ... [2019-08-05 11:50:14,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:14" (1/1) ... [2019-08-05 11:50:14,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:14" (1/1) ... [2019-08-05 11:50:14,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:50:14,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:50:14,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:50:14,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:50:14,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:14" (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 11:50:14,588 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 11:50:14,588 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:50:14,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:50:15,104 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:50:15,105 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:50:15,106 INFO L202 PluginConnector]: Adding new model arraySearchFirstAndLast.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:50:15 BoogieIcfgContainer [2019-08-05 11:50:15,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:50:15,106 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:50:15,107 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:50:15,107 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:50:15,109 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 11:50:15" (1/1) ... [2019-08-05 11:50:15,118 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:50:15,120 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:50:15,127 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 11:50:15,136 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:50:15,137 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 11:50:15,336 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-08-05 11:50:15,620 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-08-05 11:50:16,046 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-08-05 11:50:16,446 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2019-08-05 11:51:00,243 WARN L188 SmtUtils]: Spent 43.71 s on a formula simplification that was a NOOP. DAG size: 190 [2019-08-05 11:51:00,297 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:51:00,297 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:51:00,301 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 38#(and (not (<= main_f main_l)) (exists ((v_main_l_27 Int) (v_main_f_26 Int)) (and (< v_main_l_27 main_n) (or (and (or (and (= main_l (+ main_i (- 1))) (= main_x (select main_a (+ main_i (- 1))))) (and (= main_l v_main_l_27) (not (= main_x (select main_a (+ main_i (- 1))))))) (not (= (- 1) v_main_f_26)) (= main_f v_main_f_26)) (and (= (- 1) v_main_f_26) (or (and (= main_l (+ main_i (- 1))) (= main_f (+ main_i (- 1))) (= main_x (select main_a (+ main_i (- 1))))) (and (= main_l v_main_l_27) (not (= main_x (select main_a (+ main_i (- 1))))) (= main_f v_main_f_26))))) (<= v_main_f_26 v_main_l_27)))) [2019-08-05 11:51:00,309 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:51:00,311 INFO L168 Benchmark]: Toolchain (without parser) took 45854.02 ms. Allocated memory was 141.0 MB in the beginning and 176.7 MB in the end (delta: 35.7 MB). Free memory was 109.4 MB in the beginning and 125.3 MB in the end (delta: -15.9 MB). Peak memory consumption was 53.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:51:00,312 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 141.0 MB. Free memory was 110.6 MB in the beginning and 110.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:51:00,314 INFO L168 Benchmark]: Boogie Preprocessor took 50.31 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:51:00,315 INFO L168 Benchmark]: RCFGBuilder took 598.16 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 93.0 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:51:00,316 INFO L168 Benchmark]: Symbolic Interpretation took 45202.49 ms. Allocated memory was 141.0 MB in the beginning and 176.7 MB in the end (delta: 35.7 MB). Free memory was 93.0 MB in the beginning and 125.3 MB in the end (delta: -32.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:51:00,321 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 141.0 MB. Free memory was 110.6 MB in the beginning and 110.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.31 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 598.16 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 93.0 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 45202.49 ms. Allocated memory was 141.0 MB in the beginning and 176.7 MB in the end (delta: 35.7 MB). Free memory was 93.0 MB in the beginning and 125.3 MB in the end (delta: -32.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...