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/loops/count_up_down-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:45:37,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:45:37,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:45:37,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:45:37,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:45:37,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:45:37,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:45:37,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:45:37,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:45:37,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:45:37,790 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:45:37,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:45:37,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:45:37,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:45:37,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:45:37,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:45:37,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:45:37,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:45:37,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:45:37,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:45:37,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:45:37,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:45:37,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:45:37,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:45:37,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:45:37,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 11:45:37,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 11:45:37,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 11:45:37,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 11:45:37,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 11:45:37,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 11:45:37,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 11:45:37,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 11:45:37,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:45:37,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:45:37,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:45:37,817 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 11:45:37,831 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:45:37,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:45:37,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:45:37,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:45:37,833 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:45:37,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:45:37,833 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:45:37,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:45:37,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:45:37,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:45:37,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:45:37,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:45:37,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:45:37,834 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:45:37,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:45:37,835 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:45:37,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:45:37,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:45:37,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:45:37,836 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:45:37,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:45:37,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:45:37,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:45:37,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:45:37,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:45:37,837 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:45:37,837 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:45:37,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:45:37,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:45:37,868 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:45:37,884 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:45:37,888 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:45:37,892 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:45:37,893 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:45:37,893 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/count_up_down-1.c [2019-08-08 11:45:37,954 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b20cdfcf/03224b8929e544c8868e595e3b546e34/FLAG0951c2fdd [2019-08-08 11:45:38,430 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:45:38,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/count_up_down-1.c [2019-08-08 11:45:38,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b20cdfcf/03224b8929e544c8868e595e3b546e34/FLAG0951c2fdd [2019-08-08 11:45:38,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b20cdfcf/03224b8929e544c8868e595e3b546e34 [2019-08-08 11:45:38,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:45:38,776 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:45:38,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:45:38,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:45:38,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:45:38,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:45:38" (1/1) ... [2019-08-08 11:45:38,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7de4b44b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:45:38, skipping insertion in model container [2019-08-08 11:45:38,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:45:38" (1/1) ... [2019-08-08 11:45:38,793 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:45:38,808 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:45:38,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:45:38,962 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:45:38,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:45:38,995 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:45:38,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:45:38 WrapperNode [2019-08-08 11:45:38,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:45:38,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:45:38,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:45:38,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:45:39,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:45:38" (1/1) ... [2019-08-08 11:45:39,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:45:38" (1/1) ... [2019-08-08 11:45:39,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:45:38" (1/1) ... [2019-08-08 11:45:39,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:45:38" (1/1) ... [2019-08-08 11:45:39,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:45:38" (1/1) ... [2019-08-08 11:45:39,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:45:38" (1/1) ... [2019-08-08 11:45:39,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:45:38" (1/1) ... [2019-08-08 11:45:39,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:45:39,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:45:39,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:45:39,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:45:39,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:45:38" (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 11:45:39,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:45:39,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:45:39,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-08 11:45:39,170 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:45:39,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:45:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-08 11:45:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-08 11:45:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:45:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:45:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:45:39,368 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:45:39,368 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 11:45:39,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:45:39 BoogieIcfgContainer [2019-08-08 11:45:39,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:45:39,370 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:45:39,370 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:45:39,370 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:45:39,371 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:45:39" (1/1) ... [2019-08-08 11:45:39,380 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:45:39,383 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:45:39,388 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:45:39,394 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:45:39,395 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:45:39,432 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-08 11:45:39,488 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 22 [2019-08-08 11:45:39,494 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:45:39,495 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:45:39,498 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 34#(and (exists ((v_main_~x~0_BEFORE_CALL_1 Int)) (and (not (< 0 (mod v_main_~x~0_BEFORE_CALL_1 4294967296))) (< 0 (mod (+ v_main_~x~0_BEFORE_CALL_1 1) 4294967296)))) (exists ((v_main_~n~0_BEFORE_CALL_1 Int) (v_main_~y~0_BEFORE_CALL_1 Int)) (= |__VERIFIER_assert_#in~cond| (ite (= (mod v_main_~y~0_BEFORE_CALL_1 4294967296) (mod v_main_~n~0_BEFORE_CALL_1 4294967296)) 1 0))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-08 11:45:39,499 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:45:39,507 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:45:39,510 INFO L168 Benchmark]: Toolchain (without parser) took 733.19 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.3 MB in the beginning and 160.9 MB in the end (delta: -73.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 11:45:39,512 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory is still 105.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 11:45:39,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.34 ms. Allocated memory is still 133.2 MB. Free memory was 87.3 MB in the beginning and 78.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-08 11:45:39,514 INFO L168 Benchmark]: Boogie Preprocessor took 115.55 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 78.2 MB in the beginning and 179.5 MB in the end (delta: -101.3 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2019-08-08 11:45:39,516 INFO L168 Benchmark]: RCFGBuilder took 256.97 ms. Allocated memory is still 200.3 MB. Free memory was 179.5 MB in the beginning and 166.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-08-08 11:45:39,517 INFO L168 Benchmark]: Symbolic Interpretation took 137.51 ms. Allocated memory is still 200.3 MB. Free memory was 166.6 MB in the beginning and 160.9 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-08 11:45:39,525 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 5]: 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 0.18 ms. Allocated memory is still 133.2 MB. Free memory is still 105.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 219.34 ms. Allocated memory is still 133.2 MB. Free memory was 87.3 MB in the beginning and 78.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.55 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 78.2 MB in the beginning and 179.5 MB in the end (delta: -101.3 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 256.97 ms. Allocated memory is still 200.3 MB. Free memory was 179.5 MB in the beginning and 166.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 137.51 ms. Allocated memory is still 200.3 MB. Free memory was 166.6 MB in the beginning and 160.9 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...