/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 14:47:36,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 14:47:36,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 14:47:37,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 14:47:37,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 14:47:37,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 14:47:37,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 14:47:37,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 14:47:37,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 14:47:37,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 14:47:37,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 14:47:37,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 14:47:37,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 14:47:37,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 14:47:37,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 14:47:37,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 14:47:37,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 14:47:37,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 14:47:37,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 14:47:37,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 14:47:37,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 14:47:37,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 14:47:37,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 14:47:37,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 14:47:37,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 14:47:37,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 14:47:37,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 14:47:37,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 14:47:37,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 14:47:37,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 14:47:37,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 14:47:37,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 14:47:37,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 14:47:37,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 14:47:37,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 14:47:37,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 14:47:37,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 14:47:37,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 14:47:37,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 14:47:37,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 14:47:37,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 14:47:37,111 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 14:47:37,139 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 14:47:37,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 14:47:37,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 14:47:37,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 14:47:37,142 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 14:47:37,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 14:47:37,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 14:47:37,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 14:47:37,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 14:47:37,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 14:47:37,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 14:47:37,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 14:47:37,145 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 14:47:37,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 14:47:37,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 14:47:37,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 14:47:37,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 14:47:37,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 14:47:37,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 14:47:37,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 14:47:37,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 14:47:37,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 14:47:37,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 14:47:37,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 14:47:37,150 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 14:47:37,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 14:47:37,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 14:47:37,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 14:47:37,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 14:47:37,628 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 14:47:37,629 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 14:47:37,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2020-12-22 14:47:37,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/094396d15/1971ea479f504acf851d18ce1cf13a59/FLAGc2646cdca [2020-12-22 14:47:38,924 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 14:47:38,925 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2020-12-22 14:47:39,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/094396d15/1971ea479f504acf851d18ce1cf13a59/FLAGc2646cdca [2020-12-22 14:47:39,224 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/094396d15/1971ea479f504acf851d18ce1cf13a59 [2020-12-22 14:47:39,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 14:47:39,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 14:47:39,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 14:47:39,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 14:47:39,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 14:47:39,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:47:39" (1/1) ... [2020-12-22 14:47:39,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3709196f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:47:39, skipping insertion in model container [2020-12-22 14:47:39,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:47:39" (1/1) ... [2020-12-22 14:47:39,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 14:47:39,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 14:47:44,013 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i[472306,472319] [2020-12-22 14:47:44,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 14:47:44,154 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 14:47:45,310 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i[472306,472319] [2020-12-22 14:47:45,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 14:47:46,393 INFO L208 MainTranslator]: Completed translation [2020-12-22 14:47:46,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:47:46 WrapperNode [2020-12-22 14:47:46,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 14:47:46,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 14:47:46,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 14:47:46,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 14:47:46,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:47:46" (1/1) ... [2020-12-22 14:47:46,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:47:46" (1/1) ... [2020-12-22 14:47:58,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 14:47:58,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 14:47:58,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 14:47:58,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 14:47:58,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:47:46" (1/1) ... [2020-12-22 14:47:58,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:47:46" (1/1) ... [2020-12-22 14:48:02,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:47:46" (1/1) ... [2020-12-22 14:48:02,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:47:46" (1/1) ... [2020-12-22 14:48:06,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:47:46" (1/1) ... [2020-12-22 14:48:07,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:47:46" (1/1) ... [2020-12-22 14:48:09,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:47:46" (1/1) ... [2020-12-22 14:48:10,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 14:48:10,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 14:48:10,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 14:48:10,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 14:48:10,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:47:46" (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 [2020-12-22 14:48:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-12-22 14:48:10,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-12-22 14:48:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 14:48:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 14:48:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 14:48:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 14:48:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure isert_release_work [2020-12-22 14:48:10,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_release_work [2020-12-22 14:48:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2020-12-22 14:48:10,770 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2020-12-22 14:48:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 14:48:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 14:48:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 14:48:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-12-22 14:48:10,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-12-22 14:48:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_conn [2020-12-22 14:48:10,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_conn [2020-12-22 14:48:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 14:48:10,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 14:48:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2020-12-22 14:48:10,773 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2020-12-22 14:48:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 14:48:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 14:48:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_conn [2020-12-22 14:48:10,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_conn [2020-12-22 14:48:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send [2020-12-22 14:48:10,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send [2020-12-22 14:48:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure isert_aborted_task [2020-12-22 14:48:10,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_aborted_task [2020-12-22 14:48:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 14:48:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 14:48:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_rdma [2020-12-22 14:48:10,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_rdma [2020-12-22 14:48:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 14:48:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_sig_mr [2020-12-22 14:48:10,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_sig_mr [2020-12-22 14:48:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure isert_handle_prot_cmd [2020-12-22 14:48:10,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_handle_prot_cmd [2020-12-22 14:48:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 14:48:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure isert_fast_reg_mr [2020-12-22 14:48:10,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_fast_reg_mr [2020-12-22 14:48:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 14:48:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-12-22 14:48:10,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID