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/BoogiePL/Jochen/tacas06/loop1-fixed_WithInvariant.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:46:55,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:46:55,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:46:55,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:46:55,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:46:55,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:46:55,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:46:55,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:46:55,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:46:55,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:46:55,298 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:46:55,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:46:55,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:46:55,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:46:55,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:46:55,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:46:55,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:46:55,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:46:55,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:46:55,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:46:55,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:46:55,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:46:55,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:46:55,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:46:55,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:46:55,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:46:55,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:46:55,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:46:55,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:46:55,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:46:55,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:46:55,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:46:55,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:46:55,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:46:55,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:46:55,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:46:55,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:46:55,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:46:55,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:46:55,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:46:55,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:46:55,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:46:55,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:46:55,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:46:55,408 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:46:55,409 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:46:55,410 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/Jochen/tacas06/loop1-fixed_WithInvariant.bpl [2019-08-06 16:46:55,410 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/Jochen/tacas06/loop1-fixed_WithInvariant.bpl' [2019-08-06 16:46:55,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:46:55,451 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:46:55,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:46:55,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:46:55,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:46:55,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loop1-fixed_WithInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:55" (1/1) ... [2019-08-06 16:46:55,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loop1-fixed_WithInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:55" (1/1) ... [2019-08-06 16:46:55,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loop1-fixed_WithInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:55" (1/1) ... [2019-08-06 16:46:55,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loop1-fixed_WithInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:55" (1/1) ... [2019-08-06 16:46:55,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loop1-fixed_WithInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:55" (1/1) ... [2019-08-06 16:46:55,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loop1-fixed_WithInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:55" (1/1) ... [2019-08-06 16:46:55,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loop1-fixed_WithInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:55" (1/1) ... [2019-08-06 16:46:55,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:46:55,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:46:55,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:46:55,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:46:55,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loop1-fixed_WithInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:55" (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 16:46:55,573 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:46:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:46:55,573 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:46:55,819 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:46:55,819 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:46:55,821 INFO L202 PluginConnector]: Adding new model loop1-fixed_WithInvariant.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:46:55 BoogieIcfgContainer [2019-08-06 16:46:55,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:46:55,822 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:46:55,822 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:46:55,822 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:46:55,823 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "loop1-fixed_WithInvariant.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:46:55" (1/1) ... [2019-08-06 16:46:55,835 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:46:55,838 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:46:55,845 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:46:55,853 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:46:55,855 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:46:55,963 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:46:55,964 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:46:55,967 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONINVARIANTandASSERT has predicate 34#(and (exists ((v_skolemized_qy_2 Int)) (and (<= 0 v_skolemized_qy_2) (< v_skolemized_qy_2 main_i) (not (= (select main_x v_skolemized_qy_2) v_skolemized_qy_2)))) (or (and (exists ((v_main_x_10 (Array Int Int))) (and (= (store v_main_x_10 (+ main_i (- 1)) (+ main_i (- 1))) main_x) (forall ((qy Int)) (or (= qy (select v_main_x_10 qy)) (not (< (+ qy 1) main_i)) (not (<= 0 qy)))) (exists ((v_main_x_9 (Array Int Int))) (= v_main_x_10 (store v_main_x_9 (+ main_i (- 2)) (+ main_i (- 2))))))) (< main_i 101) (< main_i 102)) (= main_i 0))) [2019-08-06 16:46:55,967 INFO L179 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 28#(and (not (= main_j (select main_x main_j))) (forall ((qy Int)) (or (not (< qy main_i)) (= qy (select main_x qy)) (not (<= 0 qy)))) (not (< main_i 100)) (exists ((v_main_x_9 (Array Int Int))) (= (store v_main_x_9 (+ main_i (- 1)) (+ main_i (- 1))) main_x)) (< main_j 100) (< main_i 101) (<= 0 main_j)) [2019-08-06 16:46:55,969 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:46:55,976 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:46:55,979 INFO L168 Benchmark]: Toolchain (without parser) took 527.35 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 90.1 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:55,980 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:46:55,981 INFO L168 Benchmark]: Boogie Preprocessor took 49.10 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:55,982 INFO L168 Benchmark]: RCFGBuilder took 320.42 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 96.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:55,983 INFO L168 Benchmark]: Symbolic Interpretation took 154.45 ms. Allocated memory is still 139.5 MB. Free memory was 96.0 MB in the beginning and 90.1 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:55,987 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 17]: 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: - UnprovableResult [Line: 24]: 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 0.24 ms. Allocated memory is still 139.5 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.10 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 320.42 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 96.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 154.45 ms. Allocated memory is still 139.5 MB. Free memory was 96.0 MB in the beginning and 90.1 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...