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-b03553c [2019-08-05 18:05:58,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:05:58,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:05:58,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:05:58,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:05:58,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:05:58,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:05:58,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:05:58,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:05:58,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:05:58,872 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:05:58,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:05:58,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:05:58,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:05:58,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:05:58,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:05:58,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:05:58,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:05:58,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:05:58,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:05:58,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:05:58,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:05:58,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:05:58,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:05:58,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:05:58,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:05:58,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:05:58,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:05:58,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:05:58,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:05:58,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:05:58,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:05:58,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:05:58,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:05:58,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:05:58,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:05:58,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:05:58,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:05:58,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:05:58,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:05:58,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:05:58,939 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:05:58,951 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:05:58,955 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:05:58,956 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:05:58,957 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:05:58,958 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/Jochen/tacas06/loop1-fixed_WithInvariant.bpl [2019-08-05 18:05:58,958 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/Jochen/tacas06/loop1-fixed_WithInvariant.bpl' [2019-08-05 18:05:58,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:05:58,991 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:05:58,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:05:58,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:05:58,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:05:59,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loop1-fixed_WithInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:58" (1/1) ... [2019-08-05 18:05:59,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loop1-fixed_WithInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:58" (1/1) ... [2019-08-05 18:05:59,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loop1-fixed_WithInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:58" (1/1) ... [2019-08-05 18:05:59,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loop1-fixed_WithInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:58" (1/1) ... [2019-08-05 18:05:59,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loop1-fixed_WithInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:58" (1/1) ... [2019-08-05 18:05:59,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loop1-fixed_WithInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:58" (1/1) ... [2019-08-05 18:05:59,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loop1-fixed_WithInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:58" (1/1) ... [2019-08-05 18:05:59,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:05:59,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:05:59,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:05:59,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:05:59,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loop1-fixed_WithInvariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:58" (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 18:05:59,099 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 18:05:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:05:59,100 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:05:59,289 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:05:59,290 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:05:59,291 INFO L202 PluginConnector]: Adding new model loop1-fixed_WithInvariant.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:05:59 BoogieIcfgContainer [2019-08-05 18:05:59,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:05:59,292 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:05:59,292 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:05:59,293 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:05:59,294 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 05.08 06:05:59" (1/1) ... [2019-08-05 18:05:59,305 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 18:05:59,308 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:05:59,318 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:05:59,330 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:05:59,332 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:05:59,491 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:05:59,492 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:05:59,495 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))) [2019-08-05 18:05:59,496 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)) [2019-08-05 18:05:59,499 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:05:59,507 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:05:59,510 INFO L168 Benchmark]: Toolchain (without parser) took 518.43 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 91.7 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2019-08-05 18:05:59,512 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 18:05:59,514 INFO L168 Benchmark]: Boogie Preprocessor took 41.75 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:05:59,516 INFO L168 Benchmark]: RCFGBuilder took 257.83 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 97.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:05:59,518 INFO L168 Benchmark]: Symbolic Interpretation took 215.54 ms. Allocated memory is still 141.0 MB. Free memory was 97.8 MB in the beginning and 91.7 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:05:59,524 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 0.21 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: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.75 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 257.83 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 97.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 215.54 ms. Allocated memory is still 141.0 MB. Free memory was 97.8 MB in the beginning and 91.7 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...