java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 09:59:25,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 09:59:25,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 09:59:25,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 09:59:25,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 09:59:25,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 09:59:25,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 09:59:25,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 09:59:25,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 09:59:25,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 09:59:25,618 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 09:59:25,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 09:59:25,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 09:59:25,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 09:59:25,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 09:59:25,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 09:59:25,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 09:59:25,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 09:59:25,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 09:59:25,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 09:59:25,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 09:59:25,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 09:59:25,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 09:59:25,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 09:59:25,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 09:59:25,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 09:59:25,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 09:59:25,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 09:59:25,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 09:59:25,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 09:59:25,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 09:59:25,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 09:59:25,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 09:59:25,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 09:59:25,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 09:59:25,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 09:59:25,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-08 09:59:25,663 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 09:59:25,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 09:59:25,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 09:59:25,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 09:59:25,665 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 09:59:25,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 09:59:25,665 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 09:59:25,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 09:59:25,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 09:59:25,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 09:59:25,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 09:59:25,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 09:59:25,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 09:59:25,667 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 09:59:25,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 09:59:25,667 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 09:59:25,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 09:59:25,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 09:59:25,668 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 09:59:25,668 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 09:59:25,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 09:59:25,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 09:59:25,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 09:59:25,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 09:59:25,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 09:59:25,669 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 09:59:25,670 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 09:59:25,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 09:59:25,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 09:59:25,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 09:59:25,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 09:59:25,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 09:59:25,717 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 09:59:25,717 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 09:59:25,718 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label27.c [2019-08-08 09:59:25,777 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/702dc7973/c6dc15a4e73348ef95d3c62b0729fd5a/FLAG3345908bb [2019-08-08 09:59:26,336 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 09:59:26,337 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label27.c [2019-08-08 09:59:26,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/702dc7973/c6dc15a4e73348ef95d3c62b0729fd5a/FLAG3345908bb [2019-08-08 09:59:26,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/702dc7973/c6dc15a4e73348ef95d3c62b0729fd5a [2019-08-08 09:59:26,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 09:59:26,623 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 09:59:26,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 09:59:26,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 09:59:26,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 09:59:26,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:59:26" (1/1) ... [2019-08-08 09:59:26,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f929e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:26, skipping insertion in model container [2019-08-08 09:59:26,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:59:26" (1/1) ... [2019-08-08 09:59:26,642 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 09:59:26,704 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 09:59:27,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:59:27,311 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 09:59:27,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:59:27,457 INFO L192 MainTranslator]: Completed translation [2019-08-08 09:59:27,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:27 WrapperNode [2019-08-08 09:59:27,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 09:59:27,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 09:59:27,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 09:59:27,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 09:59:27,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:27" (1/1) ... [2019-08-08 09:59:27,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:27" (1/1) ... [2019-08-08 09:59:27,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:27" (1/1) ... [2019-08-08 09:59:27,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:27" (1/1) ... [2019-08-08 09:59:27,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:27" (1/1) ... [2019-08-08 09:59:27,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:27" (1/1) ... [2019-08-08 09:59:27,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:27" (1/1) ... [2019-08-08 09:59:27,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 09:59:27,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 09:59:27,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 09:59:27,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 09:59:27,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:27" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 09:59:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 09:59:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 09:59:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 09:59:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 09:59:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 09:59:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 09:59:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 09:59:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 09:59:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 09:59:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 09:59:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 09:59:30,558 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 09:59:30,564 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 09:59:30,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:59:30 BoogieIcfgContainer [2019-08-08 09:59:30,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 09:59:30,566 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 09:59:30,566 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 09:59:30,566 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 09:59:30,567 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:59:30" (1/1) ... [2019-08-08 09:59:30,584 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 09:59:30,595 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 09:59:30,611 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 09:59:30,620 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 09:59:30,622 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 09:59:30,701 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 66 [2019-08-08 09:59:32,348 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 19 [2019-08-08 09:59:32,538 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 09:59:32,540 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 09:59:32,544 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 27001#(and (= 1 ~a7~0) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= 15 ~a8~0) (not (= ~a17~0 1)) (= ~a16~0 5)) [2019-08-08 09:59:32,545 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 09:59:32,553 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 09:59:32,556 INFO L168 Benchmark]: Toolchain (without parser) took 5932.30 ms. Allocated memory was 143.1 MB in the beginning and 318.2 MB in the end (delta: 175.1 MB). Free memory was 88.9 MB in the beginning and 208.0 MB in the end (delta: -119.1 MB). Peak memory consumption was 115.3 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:32,558 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.1 MB. Free memory was 109.3 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 09:59:32,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 833.43 ms. Allocated memory was 143.1 MB in the beginning and 204.5 MB in the end (delta: 61.3 MB). Free memory was 88.7 MB in the beginning and 169.9 MB in the end (delta: -81.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:32,561 INFO L168 Benchmark]: Boogie Preprocessor took 96.00 ms. Allocated memory is still 204.5 MB. Free memory was 169.9 MB in the beginning and 164.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:32,563 INFO L168 Benchmark]: RCFGBuilder took 3010.84 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 164.8 MB in the beginning and 182.1 MB in the end (delta: -17.3 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:32,564 INFO L168 Benchmark]: Symbolic Interpretation took 1987.78 ms. Allocated memory was 235.9 MB in the beginning and 318.2 MB in the end (delta: 82.3 MB). Free memory was 182.1 MB in the beginning and 208.0 MB in the end (delta: -25.9 MB). Peak memory consumption was 115.7 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:32,576 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 440]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable 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: * CDTParser took 0.22 ms. Allocated memory is still 143.1 MB. Free memory was 109.3 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 833.43 ms. Allocated memory was 143.1 MB in the beginning and 204.5 MB in the end (delta: 61.3 MB). Free memory was 88.7 MB in the beginning and 169.9 MB in the end (delta: -81.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.00 ms. Allocated memory is still 204.5 MB. Free memory was 169.9 MB in the beginning and 164.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3010.84 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 164.8 MB in the beginning and 182.1 MB in the end (delta: -17.3 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1987.78 ms. Allocated memory was 235.9 MB in the beginning and 318.2 MB in the end (delta: 82.3 MB). Free memory was 182.1 MB in the beginning and 208.0 MB in the end (delta: -25.9 MB). Peak memory consumption was 115.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...