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/quantifier/regression/bpl/BoogieArrayTest-StoreAfterReadNestedUnknownIndexSafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:57:44,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:57:44,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:57:44,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:57:44,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:57:44,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:57:44,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:57:44,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:57:44,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:57:44,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:57:44,408 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:57:44,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:57:44,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:57:44,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:57:44,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:57:44,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:57:44,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:57:44,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:57:44,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:57:44,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:57:44,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:57:44,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:57:44,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:57:44,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:57:44,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:57:44,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:57:44,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:57:44,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:57:44,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:57:44,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:57:44,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:57:44,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:57:44,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:57:44,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:57:44,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:57:44,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:57:44,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:57:44,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:57:44,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:57:44,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:57:44,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:57:44,466 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:57:44,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:57:44,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:57:44,484 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:57:44,485 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:57:44,486 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/regression/bpl/BoogieArrayTest-StoreAfterReadNestedUnknownIndexSafe.bpl [2019-08-06 16:57:44,486 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/regression/bpl/BoogieArrayTest-StoreAfterReadNestedUnknownIndexSafe.bpl' [2019-08-06 16:57:44,520 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:57:44,522 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:57:44,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:57:44,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:57:44,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:57:44,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:44" (1/1) ... [2019-08-06 16:57:44,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:44" (1/1) ... [2019-08-06 16:57:44,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:44" (1/1) ... [2019-08-06 16:57:44,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:44" (1/1) ... [2019-08-06 16:57:44,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:44" (1/1) ... [2019-08-06 16:57:44,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:44" (1/1) ... [2019-08-06 16:57:44,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:44" (1/1) ... [2019-08-06 16:57:44,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:57:44,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:57:44,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:57:44,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:57:44,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BoogieArrayTest-StoreAfterReadNestedUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:44" (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 [2019-08-06 16:57:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:57:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:57:44,837 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:57:44,838 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:57:44,840 INFO L202 PluginConnector]: Adding new model BoogieArrayTest-StoreAfterReadNestedUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:57:44 BoogieIcfgContainer [2019-08-06 16:57:44,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:57:44,841 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:57:44,841 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:57:44,841 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:57:44,843 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BoogieArrayTest-StoreAfterReadNestedUnknownIndexSafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:57:44" (1/1) ... [2019-08-06 16:57:44,855 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:57:44,859 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:57:44,870 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:57:44,880 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:57:44,881 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:57:44,936 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:57:44,936 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:57:44,939 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (not (= i (select a 0))) (exists ((v_a_7 (Array Int Int))) (and (= (store v_a_7 i 42) a) (= (select v_a_7 (select v_a_7 0)) 23))) (not (= i 0)) (not (= (select a (select a 0)) 23))) [2019-08-06 16:57:44,940 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:57:44,948 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:57:44,951 INFO L168 Benchmark]: Toolchain (without parser) took 427.95 ms. Allocated memory is still 139.5 MB. Free memory was 106.5 MB in the beginning and 91.1 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:44,952 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 107.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:57:44,953 INFO L168 Benchmark]: Boogie Preprocessor took 43.75 ms. Allocated memory is still 139.5 MB. Free memory was 106.5 MB in the beginning and 104.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:44,955 INFO L168 Benchmark]: RCFGBuilder took 273.24 ms. Allocated memory is still 139.5 MB. Free memory was 104.3 MB in the beginning and 95.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:44,956 INFO L168 Benchmark]: Symbolic Interpretation took 107.18 ms. Allocated memory is still 139.5 MB. Free memory was 95.9 MB in the beginning and 91.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:44,961 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 15]: 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 139.5 MB. Free memory was 107.8 MB in the beginning and 107.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.75 ms. Allocated memory is still 139.5 MB. Free memory was 106.5 MB in the beginning and 104.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 273.24 ms. Allocated memory is still 139.5 MB. Free memory was 104.3 MB in the beginning and 95.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 107.18 ms. Allocated memory is still 139.5 MB. Free memory was 95.9 MB in the beginning and 91.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...