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-StoreAfterReadNestedUnsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:57:40,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:57:40,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:57:40,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:57:40,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:57:40,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:57:40,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:57:40,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:57:40,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:57:40,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:57:40,334 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:57:40,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:57:40,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:57:40,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:57:40,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:57:40,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:57:40,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:57:40,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:57:40,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:57:40,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:57:40,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:57:40,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:57:40,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:57:40,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:57:40,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:57:40,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:57:40,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:57:40,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:57:40,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:57:40,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:57:40,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:57:40,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:57:40,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:57:40,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:57:40,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:57:40,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:57:40,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:57:40,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:57:40,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:57:40,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:57:40,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:57:40,391 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:57:40,410 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:57:40,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:57:40,415 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:57:40,416 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:57:40,418 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/regression/bpl/BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl [2019-08-06 16:57:40,418 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/regression/bpl/BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl' [2019-08-06 16:57:40,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:57:40,457 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:57:40,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:57:40,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:57:40,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:57:40,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:40" (1/1) ... [2019-08-06 16:57:40,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:40" (1/1) ... [2019-08-06 16:57:40,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:40" (1/1) ... [2019-08-06 16:57:40,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:40" (1/1) ... [2019-08-06 16:57:40,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:40" (1/1) ... [2019-08-06 16:57:40,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:40" (1/1) ... [2019-08-06 16:57:40,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:40" (1/1) ... [2019-08-06 16:57:40,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:57:40,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:57:40,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:57:40,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:57:40,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:40" (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 16:57:40,576 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:57:40,576 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:57:40,786 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:57:40,786 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:57:40,788 INFO L202 PluginConnector]: Adding new model BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:57:40 BoogieIcfgContainer [2019-08-06 16:57:40,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:57:40,789 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:57:40,789 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:57:40,789 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:57:40,790 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BoogieArrayTest-StoreAfterReadNestedUnsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:57:40" (1/1) ... [2019-08-06 16:57:40,801 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:57:40,804 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:57:40,811 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:57:40,819 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:57:40,820 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:57:40,868 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:57:40,868 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:57:40,871 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (= (select a (select a 0)) (select a (select a 1))) (exists ((v_a_7 (Array Int Int))) (and (not (= (select v_a_7 (select v_a_7 0)) (select v_a_7 (select v_a_7 1)))) (not (= (select v_a_7 0) 0)) (not (= 0 (select v_a_7 1))) (= (store v_a_7 0 42) a)))) [2019-08-06 16:57:40,873 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:57:40,880 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:57:40,883 INFO L168 Benchmark]: Toolchain (without parser) took 425.36 ms. Allocated memory is still 129.5 MB. Free memory was 105.8 MB in the beginning and 90.8 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:40,884 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 129.5 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:57:40,885 INFO L168 Benchmark]: Boogie Preprocessor took 44.70 ms. Allocated memory is still 129.5 MB. Free memory was 105.8 MB in the beginning and 103.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:40,887 INFO L168 Benchmark]: RCFGBuilder took 285.75 ms. Allocated memory is still 129.5 MB. Free memory was 103.6 MB in the beginning and 95.4 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:40,888 INFO L168 Benchmark]: Symbolic Interpretation took 91.49 ms. Allocated memory is still 129.5 MB. Free memory was 95.4 MB in the beginning and 90.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:40,893 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 13]: 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 129.5 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.70 ms. Allocated memory is still 129.5 MB. Free memory was 105.8 MB in the beginning and 103.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 285.75 ms. Allocated memory is still 129.5 MB. Free memory was 103.6 MB in the beginning and 95.4 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 91.49 ms. Allocated memory is still 129.5 MB. Free memory was 95.4 MB in the beginning and 90.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...