/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 04:01:46,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 04:01:46,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 04:01:46,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 04:01:46,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 04:01:46,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 04:01:46,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 04:01:46,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 04:01:46,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 04:01:46,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 04:01:46,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 04:01:46,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 04:01:46,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 04:01:46,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 04:01:46,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 04:01:46,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 04:01:46,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 04:01:46,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 04:01:46,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 04:01:46,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 04:01:46,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 04:01:46,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 04:01:46,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 04:01:46,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 04:01:46,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 04:01:46,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 04:01:46,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 04:01:46,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 04:01:46,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 04:01:46,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 04:01:46,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 04:01:46,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 04:01:46,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 04:01:46,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 04:01:46,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 04:01:46,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 04:01:46,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 04:01:46,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 04:01:46,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 04:01:46,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 04:01:46,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 04:01:46,769 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 04:01:46,798 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 04:01:46,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 04:01:46,799 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 04:01:46,799 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 04:01:46,800 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 04:01:46,800 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 04:01:46,800 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 04:01:46,800 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 04:01:46,800 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 04:01:46,800 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 04:01:46,801 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 04:01:46,801 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 04:01:46,801 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 04:01:46,801 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 04:01:46,802 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 04:01:46,802 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 04:01:46,802 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 04:01:46,802 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 04:01:46,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 04:01:46,803 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 04:01:46,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 04:01:46,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 04:01:46,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 04:01:46,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 04:01:46,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 04:01:46,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 04:01:46,804 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 04:01:46,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 04:01:46,804 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 04:01:46,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 04:01:46,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 04:01:46,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 04:01:46,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 04:01:46,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 04:01:46,805 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 04:01:46,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 04:01:46,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 04:01:46,806 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 04:01:46,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 04:01:46,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 04:01:46,806 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 04:01:46,806 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 04:01:47,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 04:01:47,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 04:01:47,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 04:01:47,091 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 04:01:47,091 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 04:01:47,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2023-04-03 04:01:48,382 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 04:01:48,937 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 04:01:48,938 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2023-04-03 04:01:48,984 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66c420548/6261bb193d484df7b69789beb05db599/FLAGa02380e55 [2023-04-03 04:01:49,000 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66c420548/6261bb193d484df7b69789beb05db599 [2023-04-03 04:01:49,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 04:01:49,005 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 04:01:49,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 04:01:49,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 04:01:49,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 04:01:49,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 04:01:49" (1/1) ... [2023-04-03 04:01:49,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@288a8ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:01:49, skipping insertion in model container [2023-04-03 04:01:49,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 04:01:49" (1/1) ... [2023-04-03 04:01:49,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 04:01:49,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 04:01:51,871 WARN L247 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-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2023-04-03 04:01:52,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 04:01:52,034 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 04:01:52,369 WARN L247 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-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2023-04-03 04:01:52,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 04:01:52,445 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 04:01:52,446 WARN L667 CHandler]: The function __get_user_bad is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 04:01:52,446 WARN L667 CHandler]: The function __put_user_bad is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 04:01:52,446 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 04:01:52,453 INFO L208 MainTranslator]: Completed translation [2023-04-03 04:01:52,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:01:52 WrapperNode [2023-04-03 04:01:52,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 04:01:52,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 04:01:52,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 04:01:52,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 04:01:52,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:01:52" (1/1) ... [2023-04-03 04:01:52,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:01:52" (1/1) ... [2023-04-03 04:01:52,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:01:52" (1/1) ... [2023-04-03 04:01:52,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:01:52" (1/1) ... [2023-04-03 04:01:52,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:01:52" (1/1) ... [2023-04-03 04:01:52,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:01:52" (1/1) ... [2023-04-03 04:01:52,799 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:01:52" (1/1) ... [2023-04-03 04:01:52,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:01:52" (1/1) ... [2023-04-03 04:01:52,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 04:01:52,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 04:01:52,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 04:01:52,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 04:01:52,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:01:52" (1/1) ... [2023-04-03 04:01:52,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 04:01:52,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 04:01:52,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 04:01:52,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 04:01:52,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 04:01:52,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 04:01:52,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 04:01:52,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-03 04:01:52,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-04-03 04:01:52,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-04-03 04:01:52,946 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 04:01:52,946 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 04:01:52,946 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-04-03 04:01:52,946 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-03 04:01:52,946 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-04-03 04:01:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-04-03 04:01:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-04-03 04:01:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-03 04:01:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-04-03 04:01:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-04-03 04:01:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-03 04:01:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-04-03 04:01:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-04-03 04:01:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2023-04-03 04:01:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-04-03 04:01:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2023-04-03 04:01:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 04:01:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-03 04:01:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-03 04:01:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 04:01:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure init_waitqueue_func_entry [2023-04-03 04:01:52,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2023-04-03 04:01:52,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2023-04-03 04:01:52,949 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2023-04-03 04:01:52,949 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2023-04-03 04:01:52,949 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2023-04-03 04:01:52,949 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-04-03 04:01:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-04-03 04:01:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-04-03 04:01:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-04-03 04:01:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-04-03 04:01:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-04-03 04:01:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-04-03 04:01:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure vring_need_event [2023-04-03 04:01:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 04:01:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 04:01:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 04:01:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 04:01:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 04:01:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2023-04-03 04:01:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-03 04:01:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-03 04:01:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2023-04-03 04:01:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2023-04-03 04:01:52,953 INFO L138 BoogieDeclarations]: Found implementation of procedure init_poll_funcptr [2023-04-03 04:01:52,953 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2023-04-03 04:01:52,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2023-04-03 04:01:52,953 INFO L138 BoogieDeclarations]: Found implementation of procedure need_resched [2023-04-03 04:01:52,953 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2023-04-03 04:01:52,953 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_func [2023-04-03 04:01:52,953 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_wakeup [2023-04-03 04:01:52,953 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2023-04-03 04:01:52,954 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2023-04-03 04:01:52,954 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2023-04-03 04:01:52,954 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2023-04-03 04:01:52,954 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2023-04-03 04:01:52,954 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2023-04-03 04:01:52,954 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2023-04-03 04:01:52,954 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2023-04-03 04:01:52,954 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2023-04-03 04:01:52,954 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2023-04-03 04:01:52,955 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_worker [2023-04-03 04:01:52,955 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2023-04-03 04:01:52,955 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_zcopy [2023-04-03 04:01:52,955 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_alloc_iovecs [2023-04-03 04:01:52,955 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_free_iovecs [2023-04-03 04:01:52,955 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_init [2023-04-03 04:01:52,955 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2023-04-03 04:01:52,955 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_attach_cgroups_work [2023-04-03 04:01:52,955 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_attach_cgroups [2023-04-03 04:01:52,956 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_set_owner [2023-04-03 04:01:52,956 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_reset_owner [2023-04-03 04:01:52,956 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2023-04-03 04:01:52,956 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2023-04-03 04:01:52,956 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2023-04-03 04:01:52,956 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2023-04-03 04:01:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2023-04-03 04:01:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2023-04-03 04:01:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_log_access_ok [2023-04-03 04:01:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2023-04-03 04:01:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_access_ok [2023-04-03 04:01:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_set_memory [2023-04-03 04:01:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_set_vring [2023-04-03 04:01:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_ioctl [2023-04-03 04:01:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure find_region [2023-04-03 04:01:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit_to_user [2023-04-03 04:01:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2023-04-03 04:01:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_log_write [2023-04-03 04:01:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2023-04-03 04:01:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_avail_event [2023-04-03 04:01:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_init_used [2023-04-03 04:01:52,959 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2023-04-03 04:01:52,959 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2023-04-03 04:01:52,959 INFO L138 BoogieDeclarations]: Found implementation of procedure get_indirect [2023-04-03 04:01:52,959 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2023-04-03 04:01:52,959 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_discard_vq_desc [2023-04-03 04:01:52,959 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used [2023-04-03 04:01:52,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __vhost_add_used_n [2023-04-03 04:01:52,959 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_n [2023-04-03 04:01:52,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_notify [2023-04-03 04:01:52,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2023-04-03 04:01:52,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2023-04-03 04:01:52,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal_n [2023-04-03 04:01:52,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2023-04-03 04:01:52,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2023-04-03 04:01:52,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_done_signal [2023-04-03 04:01:52,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_alloc [2023-04-03 04:01:52,961 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2023-04-03 04:01:52,961 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2023-04-03 04:01:52,962 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2023-04-03 04:01:52,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2023-04-03 04:01:52,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2023-04-03 04:01:52,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2023-04-03 04:01:52,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2023-04-03 04:01:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2023-04-03 04:01:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2023-04-03 04:01:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2023-04-03 04:01:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2023-04-03 04:01:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2023-04-03 04:01:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2023-04-03 04:01:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2023-04-03 04:01:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2023-04-03 04:01:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2023-04-03 04:01:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2023-04-03 04:01:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2023-04-03 04:01:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2023-04-03 04:01:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2023-04-03 04:01:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2023-04-03 04:01:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2023-04-03 04:01:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-04-03 04:01:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2023-04-03 04:01:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-04-03 04:01:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-04-03 04:01:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2023-04-03 04:01:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_flag [2023-04-03 04:01:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_sock_zcopy [2023-04-03 04:01:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure move_iovec_hdr [2023-04-03 04:01:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_iovec_hdr [2023-04-03 04:01:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2023-04-03 04:01:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2023-04-03 04:01:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2023-04-03 04:01:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure peek_head_len [2023-04-03 04:01:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rx_bufs [2023-04-03 04:01:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx [2023-04-03 04:01:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2023-04-03 04:01:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx_kick [2023-04-03 04:01:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2023-04-03 04:01:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx_net [2023-04-03 04:01:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_open [2023-04-03 04:01:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2023-04-03 04:01:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_enable_vq [2023-04-03 04:01:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2023-04-03 04:01:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2023-04-03 04:01:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2023-04-03 04:01:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2023-04-03 04:01:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_release [2023-04-03 04:01:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure get_raw_socket [2023-04-03 04:01:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tap_socket [2023-04-03 04:01:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure get_socket [2023-04-03 04:01:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_set_backend [2023-04-03 04:01:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_reset_owner [2023-04-03 04:01:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_set_features [2023-04-03 04:01:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2023-04-03 04:01:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_compat_ioctl [2023-04-03 04:01:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_init [2023-04-03 04:01:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_exit [2023-04-03 04:01:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 04:01:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_39 [2023-04-03 04:01:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_40 [2023-04-03 04:01:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_41 [2023-04-03 04:01:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_42 [2023-04-03 04:01:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_43 [2023-04-03 04:01:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_44 [2023-04-03 04:01:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_45 [2023-04-03 04:01:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_46 [2023-04-03 04:01:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_47 [2023-04-03 04:01:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_48 [2023-04-03 04:01:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_49 [2023-04-03 04:01:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_50 [2023-04-03 04:01:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_51 [2023-04-03 04:01:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_52 [2023-04-03 04:01:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_53 [2023-04-03 04:01:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_54 [2023-04-03 04:01:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_55 [2023-04-03 04:01:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_56 [2023-04-03 04:01:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_57 [2023-04-03 04:01:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_58 [2023-04-03 04:01:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_59 [2023-04-03 04:01:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_60 [2023-04-03 04:01:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_61 [2023-04-03 04:01:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_62 [2023-04-03 04:01:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_63 [2023-04-03 04:01:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_64 [2023-04-03 04:01:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_65 [2023-04-03 04:01:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_66 [2023-04-03 04:01:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_67 [2023-04-03 04:01:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_68 [2023-04-03 04:01:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_69 [2023-04-03 04:01:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_70 [2023-04-03 04:01:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_71 [2023-04-03 04:01:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_72 [2023-04-03 04:01:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_73 [2023-04-03 04:01:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_74 [2023-04-03 04:01:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 04:01:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 04:01:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex [2023-04-03 04:01:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex [2023-04-03 04:01:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex [2023-04-03 04:01:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex [2023-04-03 04:01:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex [2023-04-03 04:01:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex [2023-04-03 04:01:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex [2023-04-03 04:01:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2023-04-03 04:01:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2023-04-03 04:01:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-04-03 04:01:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-04-03 04:01:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-03 04:01:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-04-03 04:01:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-04-03 04:01:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx [2023-04-03 04:01:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mtx [2023-04-03 04:01:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx [2023-04-03 04:01:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mtx [2023-04-03 04:01:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mtx [2023-04-03 04:01:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mtx [2023-04-03 04:01:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx [2023-04-03 04:01:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex [2023-04-03 04:01:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex [2023-04-03 04:01:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2023-04-03 04:01:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex [2023-04-03 04:01:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex [2023-04-03 04:01:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex [2023-04-03 04:01:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2023-04-03 04:01:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 04:01:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 04:01:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-04-03 04:01:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-03 04:01:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-03 04:01:52,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-04-03 04:01:52,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-03 04:01:52,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 04:01:52,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-03 04:01:52,986 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-03 04:01:52,986 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-03 04:01:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-03 04:01:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-03 04:01:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-03 04:01:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 04:01:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-04-03 04:01:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure cgroup_attach_task_all [2023-04-03 04:01:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-04-03 04:01:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2023-04-03 04:01:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2023-04-03 04:01:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2023-04-03 04:01:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2023-04-03 04:01:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2023-04-03 04:01:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-03 04:01:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-04-03 04:01:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_mm [2023-04-03 04:01:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages_fast [2023-04-03 04:01:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2023-04-03 04:01:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2023-04-03 04:01:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2023-04-03 04:01:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-04-03 04:01:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-04-03 04:01:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2023-04-03 04:01:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2023-04-03 04:01:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2023-04-03 04:01:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-04-03 04:01:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure macvtap_get_socket [2023-04-03 04:01:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromiovec [2023-04-03 04:01:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2023-04-03 04:01:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-04-03 04:01:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-04-03 04:01:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2023-04-03 04:01:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2023-04-03 04:01:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-04-03 04:01:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-04-03 04:01:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 04:01:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-04-03 04:01:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2023-04-03 04:01:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2023-04-03 04:01:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2023-04-03 04:01:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-04-03 04:01:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-04-03 04:01:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure set_page_dirty_lock [2023-04-03 04:01:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure sockfd_lookup [2023-04-03 04:01:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_sched [2023-04-03 04:01:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_socket [2023-04-03 04:01:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure unuse_mm [2023-04-03 04:01:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure use_mm [2023-04-03 04:01:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2023-04-03 04:01:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-04-03 04:01:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 04:01:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2023-04-03 04:01:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 04:01:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 04:01:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 04:01:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 04:01:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 04:01:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 04:01:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 04:01:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 04:01:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 04:01:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 04:01:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-04-03 04:01:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-04-03 04:01:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-04-03 04:01:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-03 04:01:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 04:01:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-03 04:01:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-04-03 04:01:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 04:01:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-04-03 04:01:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-04-03 04:01:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-04-03 04:01:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-03 04:01:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-03 04:01:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-04-03 04:01:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 04:01:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-04-03 04:01:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-04-03 04:01:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-03 04:01:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-04-03 04:01:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-04-03 04:01:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 04:01:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-04-03 04:01:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 04:01:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2023-04-03 04:01:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2023-04-03 04:01:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2023-04-03 04:01:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2023-04-03 04:01:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-04-03 04:01:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-03 04:01:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-04-03 04:01:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2023-04-03 04:01:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 04:01:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2023-04-03 04:01:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2023-04-03 04:01:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2023-04-03 04:01:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2023-04-03 04:01:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2023-04-03 04:01:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2023-04-03 04:01:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2023-04-03 04:01:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2023-04-03 04:01:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2023-04-03 04:01:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-04-03 04:01:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2023-04-03 04:01:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2023-04-03 04:01:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2023-04-03 04:01:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2023-04-03 04:01:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2023-04-03 04:01:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2023-04-03 04:01:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2023-04-03 04:01:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2023-04-03 04:01:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2023-04-03 04:01:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex [2023-04-03 04:01:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex [2023-04-03 04:01:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-04-03 04:01:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-04-03 04:01:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx [2023-04-03 04:01:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx [2023-04-03 04:01:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2023-04-03 04:01:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex [2023-04-03 04:01:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2023-04-03 04:01:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-04-03 04:01:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-04-03 04:01:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2023-04-03 04:01:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 04:01:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-03 04:01:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-03 04:01:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-03 04:01:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 04:01:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 04:01:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-03 04:01:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-03 04:01:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 04:01:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-03 04:01:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure init_waitqueue_func_entry [2023-04-03 04:01:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-04-03 04:01:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-04-03 04:01:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-03 04:01:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-04-03 04:01:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-03 04:01:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2023-04-03 04:01:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2023-04-03 04:01:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2023-04-03 04:01:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2023-04-03 04:01:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2023-04-03 04:01:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_sched [2023-04-03 04:01:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2023-04-03 04:01:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2023-04-03 04:01:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2023-04-03 04:01:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2023-04-03 04:01:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2023-04-03 04:01:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2023-04-03 04:01:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2023-04-03 04:01:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-04-03 04:01:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-04-03 04:01:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-04-03 04:01:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-04-03 04:01:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2023-04-03 04:01:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-04-03 04:01:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_fast [2023-04-03 04:01:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure set_page_dirty_lock [2023-04-03 04:01:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-04-03 04:01:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-04-03 04:01:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 04:01:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-04-03 04:01:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure vring_need_event [2023-04-03 04:01:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromiovec [2023-04-03 04:01:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 04:01:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 04:01:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 04:01:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 04:01:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 04:01:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 04:01:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 04:01:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 04:01:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 04:01:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 04:01:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2023-04-03 04:01:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2023-04-03 04:01:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_enhanced_fast_string [2023-04-03 04:01:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic_string [2023-04-03 04:01:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic_unrolled [2023-04-03 04:01:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2023-04-03 04:01:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-03 04:01:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-03 04:01:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-03 04:01:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-03 04:01:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2023-04-03 04:01:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2023-04-03 04:01:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure use_mm [2023-04-03 04:01:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure unuse_mm [2023-04-03 04:01:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure init_poll_funcptr [2023-04-03 04:01:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2023-04-03 04:01:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2023-04-03 04:01:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-04-03 04:01:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2023-04-03 04:01:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2023-04-03 04:01:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_mm [2023-04-03 04:01:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure need_resched [2023-04-03 04:01:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2023-04-03 04:01:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2023-04-03 04:01:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2023-04-03 04:01:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure cgroup_attach_task_all [2023-04-03 04:01:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2023-04-03 04:01:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2023-04-03 04:01:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2023-04-03 04:01:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2023-04-03 04:01:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2023-04-03 04:01:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2023-04-03 04:01:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2023-04-03 04:01:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_alloc [2023-04-03 04:01:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2023-04-03 04:01:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2023-04-03 04:01:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_init [2023-04-03 04:01:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2023-04-03 04:01:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_reset_owner [2023-04-03 04:01:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2023-04-03 04:01:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_ioctl [2023-04-03 04:01:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_access_ok [2023-04-03 04:01:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_log_access_ok [2023-04-03 04:01:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2023-04-03 04:01:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_discard_vq_desc [2023-04-03 04:01:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_init_used [2023-04-03 04:01:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used [2023-04-03 04:01:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_n [2023-04-03 04:01:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2023-04-03 04:01:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal_n [2023-04-03 04:01:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2023-04-03 04:01:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2023-04-03 04:01:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2023-04-03 04:01:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_log_write [2023-04-03 04:01:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2023-04-03 04:01:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2023-04-03 04:01:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2023-04-03 04:01:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_zcopy [2023-04-03 04:01:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_func [2023-04-03 04:01:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_wakeup [2023-04-03 04:01:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 04:01:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 04:01:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-03 04:01:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2023-04-03 04:01:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2023-04-03 04:01:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2023-04-03 04:01:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_worker [2023-04-03 04:01:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2023-04-03 04:01:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_alloc_iovecs [2023-04-03 04:01:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_free_iovecs [2023-04-03 04:01:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_attach_cgroups_work [2023-04-03 04:01:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_attach_cgroups [2023-04-03 04:01:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_set_owner [2023-04-03 04:01:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2023-04-03 04:01:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2023-04-03 04:01:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2023-04-03 04:01:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2023-04-03 04:01:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2023-04-03 04:01:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_set_memory [2023-04-03 04:01:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 04:01:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_set_vring [2023-04-03 04:01:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure find_region [2023-04-03 04:01:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit_to_user [2023-04-03 04:01:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2023-04-03 04:01:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2023-04-03 04:01:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_avail_event [2023-04-03 04:01:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2023-04-03 04:01:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2023-04-03 04:01:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure get_indirect [2023-04-03 04:01:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure __vhost_add_used_n [2023-04-03 04:01:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_notify [2023-04-03 04:01:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_done_signal [2023-04-03 04:01:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-04-03 04:01:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_48 [2023-04-03 04:01:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_40 [2023-04-03 04:01:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_42 [2023-04-03 04:01:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_44 [2023-04-03 04:01:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_46 [2023-04-03 04:01:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_49 [2023-04-03 04:01:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_51 [2023-04-03 04:01:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_53 [2023-04-03 04:01:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_55 [2023-04-03 04:01:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_57 [2023-04-03 04:01:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_60 [2023-04-03 04:01:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_62 [2023-04-03 04:01:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_63 [2023-04-03 04:01:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_64 [2023-04-03 04:01:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_65 [2023-04-03 04:01:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_67 [2023-04-03 04:01:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_69 [2023-04-03 04:01:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_71 [2023-04-03 04:01:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_72 [2023-04-03 04:01:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_74 [2023-04-03 04:01:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_39 [2023-04-03 04:01:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_41 [2023-04-03 04:01:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_43 [2023-04-03 04:01:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_45 [2023-04-03 04:01:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_47 [2023-04-03 04:01:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_50 [2023-04-03 04:01:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_52 [2023-04-03 04:01:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_54 [2023-04-03 04:01:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_56 [2023-04-03 04:01:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_58 [2023-04-03 04:01:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_59 [2023-04-03 04:01:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_61 [2023-04-03 04:01:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_66 [2023-04-03 04:01:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_68 [2023-04-03 04:01:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_70 [2023-04-03 04:01:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_73 [2023-04-03 04:01:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2023-04-03 04:01:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2023-04-03 04:01:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-04-03 04:01:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-04-03 04:01:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2023-04-03 04:01:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-04-03 04:01:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure sockfd_lookup [2023-04-03 04:01:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2023-04-03 04:01:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2023-04-03 04:01:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-04-03 04:01:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_socket [2023-04-03 04:01:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure macvtap_get_socket [2023-04-03 04:01:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure sock_flag [2023-04-03 04:01:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_sock_zcopy [2023-04-03 04:01:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure move_iovec_hdr [2023-04-03 04:01:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure copy_iovec_hdr [2023-04-03 04:01:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2023-04-03 04:01:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2023-04-03 04:01:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2023-04-03 04:01:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-04-03 04:01:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure peek_head_len [2023-04-03 04:01:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure get_rx_bufs [2023-04-03 04:01:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx [2023-04-03 04:01:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-04-03 04:01:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2023-04-03 04:01:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx_kick [2023-04-03 04:01:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2023-04-03 04:01:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx_net [2023-04-03 04:01:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_open [2023-04-03 04:01:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2023-04-03 04:01:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_enable_vq [2023-04-03 04:01:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2023-04-03 04:01:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2023-04-03 04:01:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2023-04-03 04:01:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2023-04-03 04:01:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_release [2023-04-03 04:01:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure get_raw_socket [2023-04-03 04:01:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure get_tap_socket [2023-04-03 04:01:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure get_socket [2023-04-03 04:01:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_set_backend [2023-04-03 04:01:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_reset_owner [2023-04-03 04:01:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_set_features [2023-04-03 04:01:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2023-04-03 04:01:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_compat_ioctl [2023-04-03 04:01:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_init [2023-04-03 04:01:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_exit [2023-04-03 04:01:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 04:01:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-04-03 04:01:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 04:01:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-04-03 04:01:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 04:01:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 04:01:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex [2023-04-03 04:01:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex [2023-04-03 04:01:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex [2023-04-03 04:01:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex [2023-04-03 04:01:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex [2023-04-03 04:01:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2023-04-03 04:01:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2023-04-03 04:01:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-04-03 04:01:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-03 04:01:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-04-03 04:01:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx [2023-04-03 04:01:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mtx [2023-04-03 04:01:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mtx [2023-04-03 04:01:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mtx [2023-04-03 04:01:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mtx [2023-04-03 04:01:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex [2023-04-03 04:01:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex [2023-04-03 04:01:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex [2023-04-03 04:01:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex [2023-04-03 04:01:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 04:01:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 04:01:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 04:01:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 04:01:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 04:01:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 04:01:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 04:01:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 04:01:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 04:01:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 04:01:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 04:01:53,897 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 04:01:53,902 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 04:01:59,576 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857: SUMMARY for call #t~ret139 := ldv__builtin_expect((if 0 != ~ret~2 then 1 else 0), 0); srcloc: null [2023-04-03 04:01:59,577 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857-1: assume -2147483648 <= #t~ret139 && #t~ret139 <= 2147483647;~tmp___1~3 := #t~ret139;havoc #t~ret139; [2023-04-03 04:01:59,577 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845: SUMMARY for call #t~ret138 := ldv__builtin_expect((if 0 != ~ret~2 then 1 else 0), 0); srcloc: null [2023-04-03 04:01:59,577 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845-1: assume -2147483648 <= #t~ret138 && #t~ret138 <= 2147483647;~tmp___0~6 := #t~ret138;havoc #t~ret138; [2023-04-03 04:01:59,577 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume #t~switch137; [2023-04-03 04:01:59,577 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume !#t~switch137; [2023-04-03 04:01:59,577 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch137;#res := ~ret~2; [2023-04-03 04:01:59,577 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume 0 != ~tmp___1~3;#res := ~ret~2; [2023-04-03 04:01:59,577 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume !(0 != ~tmp___1~3);#res := ~ret~2; [2023-04-03 04:01:59,578 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch137;#t~switch137 := #t~switch137 || 2 == ~size; [2023-04-03 04:01:59,578 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume #t~switch137; [2023-04-03 04:01:59,578 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume !#t~switch137;#t~switch137 := true; [2023-04-03 04:01:59,578 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825: havoc #t~switch137; [2023-04-03 04:01:59,578 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume 0 != ~tmp___0~6;#res := ~ret~2; [2023-04-03 04:01:59,578 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume !(0 != ~tmp___0~6);#res := ~ret~2; [2023-04-03 04:01:59,578 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume #t~switch137; [2023-04-03 04:01:59,578 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume !#t~switch137;#t~switch137 := #t~switch137 || 16 == ~size; [2023-04-03 04:01:59,578 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume #t~switch137;#res := ~ret~2; [2023-04-03 04:01:59,578 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume !#t~switch137;#t~switch137 := #t~switch137 || 10 == ~size; [2023-04-03 04:01:59,578 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867: SUMMARY for call #t~ret140 := copy_user_generic(~dst.base, ~dst.offset, ~src.base, ~src.offset, ~size); srcloc: null [2023-04-03 04:01:59,578 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume #t~switch137;#res := ~ret~2; [2023-04-03 04:01:59,578 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume !#t~switch137;#t~switch137 := #t~switch137 || 8 == ~size; [2023-04-03 04:01:59,578 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867-1: ~tmp___2~4 := #t~ret140;havoc #t~ret140;#res := (if ~tmp___2~4 % 4294967296 % 4294967296 <= 2147483647 then ~tmp___2~4 % 4294967296 % 4294967296 else ~tmp___2~4 % 4294967296 % 4294967296 - 4294967296); [2023-04-03 04:01:59,579 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume #t~switch137;#res := ~ret~2; [2023-04-03 04:01:59,579 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume !#t~switch137;#t~switch137 := #t~switch137 || 4 == ~size; [2023-04-03 04:02:01,424 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc #t~switch132; [2023-04-03 04:02:01,424 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785: SUMMARY for call #t~ret133 := ldv__builtin_expect((if 0 != ~ret~1 then 1 else 0), 0); srcloc: null [2023-04-03 04:02:01,424 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785-1: assume -2147483648 <= #t~ret133 && #t~ret133 <= 2147483647;~tmp___0~5 := #t~ret133;havoc #t~ret133; [2023-04-03 04:02:01,424 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume #t~switch132; [2023-04-03 04:02:01,425 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !#t~switch132;#t~switch132 := #t~switch132 || 16 == ~size; [2023-04-03 04:02:01,425 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808-1: ~tmp___2~3 := #t~ret135;havoc #t~ret135;#res := (if ~tmp___2~3 % 4294967296 % 4294967296 <= 2147483647 then ~tmp___2~3 % 4294967296 % 4294967296 else ~tmp___2~3 % 4294967296 % 4294967296 - 4294967296); [2023-04-03 04:02:01,425 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808: SUMMARY for call #t~ret135 := copy_user_generic(~dst.base, ~dst.offset, ~src.base, ~src.offset, ~size); srcloc: null [2023-04-03 04:02:01,425 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume #t~switch132;#res := ~ret~1; [2023-04-03 04:02:01,425 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume !#t~switch132;#t~switch132 := #t~switch132 || 8 == ~size; [2023-04-03 04:02:01,425 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch132;#res := ~ret~1; [2023-04-03 04:02:01,425 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798: SUMMARY for call #t~ret134 := ldv__builtin_expect((if 0 != ~ret~1 then 1 else 0), 0); srcloc: null [2023-04-03 04:02:01,425 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume #t~switch132; [2023-04-03 04:02:01,425 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !#t~switch132;#t~switch132 := true; [2023-04-03 04:02:01,425 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch132;#t~switch132 := #t~switch132 || 2 == ~size; [2023-04-03 04:02:01,425 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798-1: assume -2147483648 <= #t~ret134 && #t~ret134 <= 2147483647;~tmp___1~2 := #t~ret134;havoc #t~ret134; [2023-04-03 04:02:01,426 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume 0 != ~tmp___0~5;#res := ~ret~1; [2023-04-03 04:02:01,426 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume !(0 != ~tmp___0~5);#res := ~ret~1; [2023-04-03 04:02:01,426 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume #t~switch132; [2023-04-03 04:02:01,426 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !#t~switch132; [2023-04-03 04:02:01,426 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume #t~switch132;#res := ~ret~1; [2023-04-03 04:02:01,426 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume !#t~switch132;#t~switch132 := #t~switch132 || 10 == ~size; [2023-04-03 04:02:01,426 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume 0 != ~tmp___1~2;#res := ~ret~1; [2023-04-03 04:02:01,426 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume !(0 != ~tmp___1~2);#res := ~ret~1; [2023-04-03 04:02:01,426 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume #t~switch132;#res := ~ret~1; [2023-04-03 04:02:01,426 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume !#t~switch132;#t~switch132 := #t~switch132 || 4 == ~size; [2023-04-03 04:02:01,717 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 04:02:03,476 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 04:02:03,476 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-03 04:02:03,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 04:02:03 BoogieIcfgContainer [2023-04-03 04:02:03,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 04:02:03,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 04:02:03,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 04:02:03,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 04:02:03,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 04:01:49" (1/3) ... [2023-04-03 04:02:03,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ce82f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 04:02:03, skipping insertion in model container [2023-04-03 04:02:03,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:01:52" (2/3) ... [2023-04-03 04:02:03,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ce82f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 04:02:03, skipping insertion in model container [2023-04-03 04:02:03,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 04:02:03" (3/3) ... [2023-04-03 04:02:03,492 INFO L112 eAbstractionObserver]: Analyzing ICFG main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2023-04-03 04:02:03,511 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 04:02:03,511 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 04:02:03,616 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 04:02:03,622 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@442415b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 04:02:03,622 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 04:02:03,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 2614 states, 1524 states have (on average 1.269028871391076) internal successors, (1934), 1582 states have internal predecessors, (1934), 795 states have call successors, (795), 248 states have call predecessors, (795), 248 states have return successors, (795), 785 states have call predecessors, (795), 795 states have call successors, (795) [2023-04-03 04:02:03,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-04-03 04:02:03,643 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:02:03,644 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:02:03,645 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:02:03,650 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:02:03,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1754017635, now seen corresponding path program 1 times [2023-04-03 04:02:03,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:02:03,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847167274] [2023-04-03 04:02:03,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:02:03,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:02:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:02:04,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 04:02:04,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:02:04,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847167274] [2023-04-03 04:02:04,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847167274] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:02:04,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:02:04,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:02:04,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892344580] [2023-04-03 04:02:04,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:02:04,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:02:04,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:02:04,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:02:04,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:02:04,216 INFO L87 Difference]: Start difference. First operand has 2614 states, 1524 states have (on average 1.269028871391076) internal successors, (1934), 1582 states have internal predecessors, (1934), 795 states have call successors, (795), 248 states have call predecessors, (795), 248 states have return successors, (795), 785 states have call predecessors, (795), 795 states have call successors, (795) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-03 04:02:06,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:02:07,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:02:07,033 INFO L93 Difference]: Finished difference Result 4840 states and 6762 transitions. [2023-04-03 04:02:07,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:02:07,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 25 [2023-04-03 04:02:07,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:02:07,075 INFO L225 Difference]: With dead ends: 4840 [2023-04-03 04:02:07,075 INFO L226 Difference]: Without dead ends: 2420 [2023-04-03 04:02:07,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:02:07,096 INFO L413 NwaCegarLoop]: 3117 mSDtfsCounter, 3315 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3315 SdHoareTripleChecker+Valid, 3122 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-04-03 04:02:07,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3315 Valid, 3122 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 211 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2023-04-03 04:02:07,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2420 states. [2023-04-03 04:02:07,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2420 to 2420. [2023-04-03 04:02:07,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2420 states, 1434 states have (on average 1.2740585774058577) internal successors, (1827), 1486 states have internal predecessors, (1827), 747 states have call successors, (747), 241 states have call predecessors, (747), 238 states have return successors, (740), 731 states have call predecessors, (740), 740 states have call successors, (740) [2023-04-03 04:02:07,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2420 states and 3314 transitions. [2023-04-03 04:02:07,303 INFO L78 Accepts]: Start accepts. Automaton has 2420 states and 3314 transitions. Word has length 25 [2023-04-03 04:02:07,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:02:07,305 INFO L495 AbstractCegarLoop]: Abstraction has 2420 states and 3314 transitions. [2023-04-03 04:02:07,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-03 04:02:07,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 3314 transitions. [2023-04-03 04:02:07,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-04-03 04:02:07,306 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:02:07,306 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:02:07,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 04:02:07,307 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:02:07,307 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:02:07,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1461566296, now seen corresponding path program 1 times [2023-04-03 04:02:07,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:02:07,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53870226] [2023-04-03 04:02:07,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:02:07,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:02:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:02:07,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 04:02:07,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:02:07,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53870226] [2023-04-03 04:02:07,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53870226] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:02:07,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:02:07,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:02:07,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346377290] [2023-04-03 04:02:07,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:02:07,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:02:07,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:02:07,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:02:07,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:02:07,412 INFO L87 Difference]: Start difference. First operand 2420 states and 3314 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-03 04:02:09,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:02:10,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:02:10,081 INFO L93 Difference]: Finished difference Result 2422 states and 3315 transitions. [2023-04-03 04:02:10,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:02:10,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 26 [2023-04-03 04:02:10,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:02:10,098 INFO L225 Difference]: With dead ends: 2422 [2023-04-03 04:02:10,099 INFO L226 Difference]: Without dead ends: 2419 [2023-04-03 04:02:10,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:02:10,102 INFO L413 NwaCegarLoop]: 3102 mSDtfsCounter, 3298 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3298 SdHoareTripleChecker+Valid, 3107 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-04-03 04:02:10,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3298 Valid, 3107 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 210 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2023-04-03 04:02:10,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2419 states. [2023-04-03 04:02:10,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2419 to 2419. [2023-04-03 04:02:10,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2419 states, 1434 states have (on average 1.2733612273361228) internal successors, (1826), 1485 states have internal predecessors, (1826), 746 states have call successors, (746), 241 states have call predecessors, (746), 238 states have return successors, (740), 731 states have call predecessors, (740), 740 states have call successors, (740) [2023-04-03 04:02:10,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 2419 states and 3312 transitions. [2023-04-03 04:02:10,250 INFO L78 Accepts]: Start accepts. Automaton has 2419 states and 3312 transitions. Word has length 26 [2023-04-03 04:02:10,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:02:10,251 INFO L495 AbstractCegarLoop]: Abstraction has 2419 states and 3312 transitions. [2023-04-03 04:02:10,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-03 04:02:10,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2419 states and 3312 transitions. [2023-04-03 04:02:10,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-04-03 04:02:10,252 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:02:10,252 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:02:10,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 04:02:10,253 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:02:10,253 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:02:10,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1934551814, now seen corresponding path program 1 times [2023-04-03 04:02:10,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:02:10,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633596692] [2023-04-03 04:02:10,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:02:10,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:02:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:02:10,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 04:02:10,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:02:10,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633596692] [2023-04-03 04:02:10,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633596692] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:02:10,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:02:10,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:02:10,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501536050] [2023-04-03 04:02:10,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:02:10,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:02:10,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:02:10,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:02:10,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:02:10,418 INFO L87 Difference]: Start difference. First operand 2419 states and 3312 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-03 04:02:12,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:02:13,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:02:13,037 INFO L93 Difference]: Finished difference Result 2421 states and 3313 transitions. [2023-04-03 04:02:13,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:02:13,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 27 [2023-04-03 04:02:13,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:02:13,053 INFO L225 Difference]: With dead ends: 2421 [2023-04-03 04:02:13,054 INFO L226 Difference]: Without dead ends: 2418 [2023-04-03 04:02:13,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:02:13,059 INFO L413 NwaCegarLoop]: 3100 mSDtfsCounter, 3295 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3295 SdHoareTripleChecker+Valid, 3105 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-04-03 04:02:13,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3295 Valid, 3105 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 210 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2023-04-03 04:02:13,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2418 states. [2023-04-03 04:02:13,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2418 to 2418. [2023-04-03 04:02:13,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2418 states, 1434 states have (on average 1.2726638772663876) internal successors, (1825), 1484 states have internal predecessors, (1825), 745 states have call successors, (745), 241 states have call predecessors, (745), 238 states have return successors, (740), 731 states have call predecessors, (740), 740 states have call successors, (740) [2023-04-03 04:02:13,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2418 states and 3310 transitions. [2023-04-03 04:02:13,206 INFO L78 Accepts]: Start accepts. Automaton has 2418 states and 3310 transitions. Word has length 27 [2023-04-03 04:02:13,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:02:13,206 INFO L495 AbstractCegarLoop]: Abstraction has 2418 states and 3310 transitions. [2023-04-03 04:02:13,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-03 04:02:13,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 3310 transitions. [2023-04-03 04:02:13,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-04-03 04:02:13,208 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:02:13,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:02:13,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 04:02:13,208 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:02:13,209 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:02:13,209 INFO L85 PathProgramCache]: Analyzing trace with hash -159964309, now seen corresponding path program 1 times [2023-04-03 04:02:13,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:02:13,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41015170] [2023-04-03 04:02:13,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:02:13,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:02:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:02:13,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 04:02:13,344 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:02:13,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41015170] [2023-04-03 04:02:13,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41015170] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:02:13,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:02:13,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:02:13,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828538107] [2023-04-03 04:02:13,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:02:13,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:02:13,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:02:13,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:02:13,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:02:13,346 INFO L87 Difference]: Start difference. First operand 2418 states and 3310 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-03 04:02:15,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:02:17,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:02:19,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:02:20,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:02:20,558 INFO L93 Difference]: Finished difference Result 5537 states and 7567 transitions. [2023-04-03 04:02:20,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:02:20,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 28 [2023-04-03 04:02:20,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:02:20,587 INFO L225 Difference]: With dead ends: 5537 [2023-04-03 04:02:20,588 INFO L226 Difference]: Without dead ends: 3129 [2023-04-03 04:02:20,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:02:20,607 INFO L413 NwaCegarLoop]: 3578 mSDtfsCounter, 1336 mSDsluCounter, 2664 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1336 SdHoareTripleChecker+Valid, 6242 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-04-03 04:02:20,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1336 Valid, 6242 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 451 Invalid, 3 Unknown, 0 Unchecked, 6.9s Time] [2023-04-03 04:02:20,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3129 states. [2023-04-03 04:02:20,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3129 to 3126. [2023-04-03 04:02:20,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3126 states, 1830 states have (on average 1.2540983606557377) internal successors, (2295), 1903 states have internal predecessors, (2295), 946 states have call successors, (946), 368 states have call predecessors, (946), 349 states have return successors, (951), 900 states have call predecessors, (951), 921 states have call successors, (951) [2023-04-03 04:02:20,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3126 states to 3126 states and 4192 transitions. [2023-04-03 04:02:20,869 INFO L78 Accepts]: Start accepts. Automaton has 3126 states and 4192 transitions. Word has length 28 [2023-04-03 04:02:20,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:02:20,870 INFO L495 AbstractCegarLoop]: Abstraction has 3126 states and 4192 transitions. [2023-04-03 04:02:20,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-03 04:02:20,871 INFO L276 IsEmpty]: Start isEmpty. Operand 3126 states and 4192 transitions. [2023-04-03 04:02:20,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-04-03 04:02:20,883 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:02:20,883 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:02:20,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 04:02:20,886 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:02:20,886 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:02:20,887 INFO L85 PathProgramCache]: Analyzing trace with hash 323644192, now seen corresponding path program 1 times [2023-04-03 04:02:20,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:02:20,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507266236] [2023-04-03 04:02:20,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:02:20,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:02:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:02:21,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 04:02:21,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:02:21,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507266236] [2023-04-03 04:02:21,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507266236] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:02:21,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:02:21,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:02:21,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342131831] [2023-04-03 04:02:21,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:02:21,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:02:21,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:02:21,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:02:21,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:02:21,233 INFO L87 Difference]: Start difference. First operand 3126 states and 4192 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-03 04:02:23,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:02:25,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:02:27,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:02:28,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:02:28,130 INFO L93 Difference]: Finished difference Result 5165 states and 6892 transitions. [2023-04-03 04:02:28,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:02:28,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 65 [2023-04-03 04:02:28,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:02:28,146 INFO L225 Difference]: With dead ends: 5165 [2023-04-03 04:02:28,146 INFO L226 Difference]: Without dead ends: 2521 [2023-04-03 04:02:28,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:02:28,158 INFO L413 NwaCegarLoop]: 2951 mSDtfsCounter, 2269 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2269 SdHoareTripleChecker+Valid, 3869 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-04-03 04:02:28,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2269 Valid, 3869 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 339 Invalid, 3 Unknown, 0 Unchecked, 6.6s Time] [2023-04-03 04:02:28,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2521 states. [2023-04-03 04:02:28,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2521 to 2521. [2023-04-03 04:02:28,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2521 states, 1481 states have (on average 1.2444294395678595) internal successors, (1843), 1537 states have internal predecessors, (1843), 745 states have call successors, (745), 310 states have call predecessors, (745), 294 states have return successors, (719), 704 states have call predecessors, (719), 719 states have call successors, (719) [2023-04-03 04:02:28,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2521 states and 3307 transitions. [2023-04-03 04:02:28,318 INFO L78 Accepts]: Start accepts. Automaton has 2521 states and 3307 transitions. Word has length 65 [2023-04-03 04:02:28,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:02:28,319 INFO L495 AbstractCegarLoop]: Abstraction has 2521 states and 3307 transitions. [2023-04-03 04:02:28,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-03 04:02:28,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 3307 transitions. [2023-04-03 04:02:28,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-04-03 04:02:28,322 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:02:28,323 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:02:28,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 04:02:28,323 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:02:28,324 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:02:28,324 INFO L85 PathProgramCache]: Analyzing trace with hash 460483340, now seen corresponding path program 1 times [2023-04-03 04:02:28,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:02:28,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277013853] [2023-04-03 04:02:28,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:02:28,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:02:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-03 04:02:28,518 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-04-03 04:02:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-03 04:02:28,738 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-04-03 04:02:28,738 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-04-03 04:02:28,739 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 04:02:28,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 04:02:28,745 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-03 04:02:28,748 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 04:02:28,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 04:02:28 BoogieIcfgContainer [2023-04-03 04:02:28,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 04:02:28,839 INFO L158 Benchmark]: Toolchain (without parser) took 39833.57ms. Allocated memory was 368.1MB in the beginning and 930.1MB in the end (delta: 562.0MB). Free memory was 303.8MB in the beginning and 603.5MB in the end (delta: -299.7MB). Peak memory consumption was 263.4MB. Max. memory is 8.0GB. [2023-04-03 04:02:28,839 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 255.9MB. Free memory is still 204.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 04:02:28,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3446.19ms. Allocated memory is still 368.1MB. Free memory was 303.8MB in the beginning and 235.7MB in the end (delta: 68.1MB). Peak memory consumption was 107.9MB. Max. memory is 8.0GB. [2023-04-03 04:02:28,839 INFO L158 Benchmark]: Boogie Preprocessor took 414.63ms. Allocated memory was 368.1MB in the beginning and 512.8MB in the end (delta: 144.7MB). Free memory was 235.2MB in the beginning and 416.6MB in the end (delta: -181.4MB). Peak memory consumption was 45.6MB. Max. memory is 8.0GB. [2023-04-03 04:02:28,840 INFO L158 Benchmark]: RCFGBuilder took 10613.68ms. Allocated memory was 512.8MB in the beginning and 666.9MB in the end (delta: 154.1MB). Free memory was 416.6MB in the beginning and 422.7MB in the end (delta: -6.2MB). Peak memory consumption was 408.0MB. Max. memory is 8.0GB. [2023-04-03 04:02:28,840 INFO L158 Benchmark]: TraceAbstraction took 25352.13ms. Allocated memory was 666.9MB in the beginning and 930.1MB in the end (delta: 263.2MB). Free memory was 422.2MB in the beginning and 603.5MB in the end (delta: -181.3MB). Peak memory consumption was 82.5MB. Max. memory is 8.0GB. [2023-04-03 04:02:28,842 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 255.9MB. Free memory is still 204.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3446.19ms. Allocated memory is still 368.1MB. Free memory was 303.8MB in the beginning and 235.7MB in the end (delta: 68.1MB). Peak memory consumption was 107.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 414.63ms. Allocated memory was 368.1MB in the beginning and 512.8MB in the end (delta: 144.7MB). Free memory was 235.2MB in the beginning and 416.6MB in the end (delta: -181.4MB). Peak memory consumption was 45.6MB. Max. memory is 8.0GB. * RCFGBuilder took 10613.68ms. Allocated memory was 512.8MB in the beginning and 666.9MB in the end (delta: 154.1MB). Free memory was 416.6MB in the beginning and 422.7MB in the end (delta: -6.2MB). Peak memory consumption was 408.0MB. Max. memory is 8.0GB. * TraceAbstraction took 25352.13ms. Allocated memory was 666.9MB in the beginning and 930.1MB in the end (delta: 263.2MB). Free memory was 422.2MB in the beginning and 603.5MB in the end (delta: -181.3MB). Peak memory consumption was 82.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 10595. Possible FailurePath: [L5971] static unsigned int vhost_zcopy_mask ; [L9348] static int experimental_zcopytx ; [L10590-L10593] static struct file_operations const vhost_net_fops = {& __this_module, & noop_llseek, 0, 0, 0, 0, 0, 0, & vhost_net_ioctl, & vhost_net_compat_ioctl, 0, & vhost_net_open, 0, & vhost_net_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L10594-L10595] static struct miscdevice vhost_net_misc = {238, "vhost-net", & vhost_net_fops, {0, 0}, 0, 0, 0, (unsigned short)0}; [L10620] int LDV_IN_INTERRUPT ; [L11002] static int ldv_mutex_cred_guard_mutex ; [L11109] static int ldv_mutex_lock ; [L11216] static int ldv_mutex_mtx ; [L11323] static int ldv_mutex_mutex ; [L10623] struct inode *var_group1 ; [L10624] struct file *var_group2 ; [L10625] unsigned int var_vhost_net_ioctl_27_p1 ; [L10626] unsigned long var_vhost_net_ioctl_27_p2 ; [L10627] unsigned int var_vhost_net_compat_ioctl_28_p1 ; [L10628] unsigned long var_vhost_net_compat_ioctl_28_p2 ; [L10629] int res_vhost_net_open_13 ; [L10630] int ldv_s_vhost_net_fops_file_operations ; [L10631] int tmp ; [L10632] int tmp___0 ; [L10633] int tmp___1 ; [L10635] ldv_s_vhost_net_fops_file_operations = 0 [L10636] LDV_IN_INTERRUPT = 1 VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, ldv_s_vhost_net_fops_file_operations=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10637] CALL ldv_initialize() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11433] ldv_mutex_cred_guard_mutex = 1 [L11434] ldv_mutex_lock = 1 [L11435] ldv_mutex_mtx = 1 [L11436] ldv_mutex_mutex = 1 [L10637] RET ldv_initialize() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10638] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10639] CALL, EXPR vhost_net_init() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10598] int tmp ; VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10600] COND FALSE !(experimental_zcopytx != 0) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10604] CALL, EXPR misc_register(& vhost_net_misc) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, arg0={216:0}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11595] return __VERIFIER_nondet_int(); [L10604] RET, EXPR misc_register(& vhost_net_misc) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, misc_register(& vhost_net_misc)=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10604] tmp = misc_register(& vhost_net_misc) [L10605] return (tmp); [L10639] RET, EXPR vhost_net_init() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, vhost_net_fops={215:0}, vhost_net_init()=0, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10639] tmp = vhost_net_init() [L10640] COND FALSE !(tmp != 0) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10682] tmp___1 = __VERIFIER_nondet_int() [L10683] COND TRUE tmp___1 != 0 || ldv_s_vhost_net_fops_file_operations != 0 [L10646] tmp___0 = __VERIFIER_nondet_int() [L10648] case 0: [L10661] case 1: [L10669] case 2: VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___0=2, tmp___1=-2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10670] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___0=2, tmp___1=-2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10671] CALL vhost_net_ioctl(var_group2, var_vhost_net_ioctl_27_p1, var_vhost_net_ioctl_27_p2) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(arg)=0, \old(ioctl)=44802, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, f={44813:-203}, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10521] struct vhost_net *n ; [L10522] void *argp ; [L10523] u64 *featurep ; [L10524] struct vhost_vring_file backend ; [L10525] u64 features ; [L10526] int r ; [L10527] unsigned long tmp ; [L10528] long tmp___0 ; [L10529] int tmp___1 ; [L10530] unsigned long tmp___2 ; [L10531] int tmp___3 ; [L10532] long tmp___4 ; [L10533] long tmp___5 ; [L10535] EXPR f->private_data [L10535] n = (struct vhost_net *)f->private_data [L10536] argp = (void *)arg [L10537] featurep = (u64 *)argp [L10539] case 1074310960U: [L10547] case 2148052736U: [L10555] case 1074310912U: [L10567] case 44802U: VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(arg)=0, \old(ioctl)=44802, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, arg=0, argp={0:0}, backend={218:0}, experimental_zcopytx=0, f={44813:-203}, f={44813:-203}, featurep={0:0}, features={219:0}, ioctl=44802, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, n={44814:-8804}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10568] CALL vhost_net_reset_owner(n) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, n={44814:-8804}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10445] struct socket *tx_sock ; [L10446] struct socket *rx_sock ; [L10447] long err ; [L10449] tx_sock = 0 [L10450] rx_sock = 0 VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, n={44814:-8804}, n={44814:-8804}, rx_sock={217:0}, tx_sock={220:0}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10451] CALL ldv_mutex_lock_66(& n->dev.mutex) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_func_arg1={44814:-8796}, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10919] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={44814:-8796}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11361] COND TRUE ldv_mutex_mutex == 1 VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={44814:-8796}, lock={44814:-8796}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11365] ldv_mutex_mutex = 2 [L10919] RET ldv_mutex_lock_mutex(ldv_func_arg1) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_func_arg1={44814:-8796}, ldv_func_arg1={44814:-8796}, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10920] FCALL mutex_lock(ldv_func_arg1) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_func_arg1={44814:-8796}, ldv_func_arg1={44814:-8796}, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10451] RET ldv_mutex_lock_66(& n->dev.mutex) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={44814:-8804}, n={44814:-8804}, rx_sock={217:0}, tx_sock={220:0}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10452] CALL, EXPR vhost_dev_check_owner(& n->dev) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, dev={44814:-8804}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6410] struct task_struct *tmp ; VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, dev={44814:-8804}, dev={44814:-8804}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6412] CALL, EXPR get_current() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L5283] struct task_struct *pfo_ret__ ; [L5286] case 1UL: [L5289] case 2UL: [L5292] case 4UL: [L5295] case 8UL: [L5302] return (pfo_ret__); [L6412] RET, EXPR get_current() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, dev={44814:-8804}, dev={44814:-8804}, experimental_zcopytx=0, get_current()={44820:-4}, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6412] tmp = get_current() [L6413] EXPR dev->mm [L6413] EXPR tmp->mm [L6413] return ((unsigned long )dev->mm == (unsigned long )tmp->mm ? 0L : -1L); [L10452] RET, EXPR vhost_dev_check_owner(& n->dev) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={44814:-8804}, n={44814:-8804}, rx_sock={217:0}, tx_sock={220:0}, vhost_dev_check_owner(& n->dev)=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10452] err = vhost_dev_check_owner(& n->dev) [L10453] COND FALSE !(err != 0L) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, err=0, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={44814:-8804}, n={44814:-8804}, rx_sock={217:0}, tx_sock={220:0}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10457] CALL vhost_net_stop(n, & tx_sock, & rx_sock) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={44814:-8804}, rx_sock={217:0}, tx_sock={220:0}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10183] CALL vhost_net_stop_vq(n, (struct vhost_virtqueue *)(& n->vqs) + 1UL) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={44814:-8804}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0, vq={44814:-4}] [L10155] struct socket *sock ; [L10156] bool __warned ; [L10157] int tmp ; [L10158] int tmp___0 ; VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={44814:-8804}, n={44814:-8804}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0, vq={44814:-4}, vq={44814:-4}] [L10160] CALL ldv_mutex_lock_56(& vq->mutex) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_func_arg1={44814:0}, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10839] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, lock={44814:0}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11361] COND FALSE !(ldv_mutex_mutex == 1) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, lock={44814:0}, lock={44814:0}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11363] CALL ldv_error() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10992] reach_error() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(vhost_zcopy_mask)=0, __this_module={44808:44807}, experimental_zcopytx=0, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 303 procedures, 2750 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.2s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 22.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 13513 SdHoareTripleChecker+Valid, 21.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13513 mSDsluCounter, 19445 SdHoareTripleChecker+Invalid, 20.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3597 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1421 IncrementalHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 15848 mSDtfsCounter, 1421 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3126occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 240 NumberOfCodeBlocks, 240 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 258 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-04-03 04:02:28,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...