/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/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 07:40:54,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 07:40:54,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 07:40:54,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 07:40:54,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 07:40:54,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 07:40:54,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 07:40:54,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 07:40:54,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 07:40:54,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 07:40:54,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 07:40:54,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 07:40:54,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 07:40:54,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 07:40:54,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 07:40:54,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 07:40:54,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 07:40:54,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 07:40:54,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 07:40:54,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 07:40:54,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 07:40:54,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 07:40:54,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 07:40:54,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 07:40:54,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 07:40:54,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 07:40:54,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 07:40:54,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 07:40:54,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 07:40:54,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 07:40:54,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 07:40:54,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 07:40:54,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 07:40:54,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 07:40:54,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 07:40:54,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 07:40:54,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 07:40:54,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 07:40:54,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 07:40:54,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 07:40:54,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 07:40:54,109 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 07:40:54,130 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 07:40:54,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 07:40:54,131 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 07:40:54,131 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 07:40:54,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 07:40:54,132 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 07:40:54,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 07:40:54,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 07:40:54,132 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 07:40:54,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 07:40:54,132 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 07:40:54,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 07:40:54,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 07:40:54,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 07:40:54,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 07:40:54,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 07:40:54,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 07:40:54,133 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 07:40:54,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 07:40:54,133 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 07:40:54,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 07:40:54,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 07:40:54,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 07:40:54,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 07:40:54,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 07:40:54,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 07:40:54,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 07:40:54,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 07:40:54,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 07:40:54,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 07:40:54,134 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 07:40:54,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 07:40:54,135 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 07:40:54,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 07:40:54,135 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 07:40:54,135 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 07:40:54,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 07:40:54,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 07:40:54,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 07:40:54,348 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 07:40:54,360 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 07:40:54,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-04-02 07:40:55,269 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 07:40:55,605 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 07:40:55,606 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-04-02 07:40:55,638 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac895e4f2/7669779ddcd148f8ad30535a9ba2c4f9/FLAG0ec8c9c10 [2023-04-02 07:40:55,653 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac895e4f2/7669779ddcd148f8ad30535a9ba2c4f9 [2023-04-02 07:40:55,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 07:40:55,656 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 07:40:55,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 07:40:55,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 07:40:55,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 07:40:55,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 07:40:55" (1/1) ... [2023-04-02 07:40:55,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46180c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:40:55, skipping insertion in model container [2023-04-02 07:40:55,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 07:40:55" (1/1) ... [2023-04-02 07:40:55,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 07:40:55,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 07:40:56,262 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-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-04-02 07:40:56,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 07:40:56,295 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 07:40:56,527 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-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2023-04-02 07:40:56,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 07:40:56,564 WARN L667 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 07:40:56,564 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 07:40:56,569 INFO L208 MainTranslator]: Completed translation [2023-04-02 07:40:56,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:40:56 WrapperNode [2023-04-02 07:40:56,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 07:40:56,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 07:40:56,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 07:40:56,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 07:40:56,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:40:56" (1/1) ... [2023-04-02 07:40:56,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:40:56" (1/1) ... [2023-04-02 07:40:56,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:40:56" (1/1) ... [2023-04-02 07:40:56,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:40:56" (1/1) ... [2023-04-02 07:40:56,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:40:56" (1/1) ... [2023-04-02 07:40:56,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:40:56" (1/1) ... [2023-04-02 07:40:56,717 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:40:56" (1/1) ... [2023-04-02 07:40:56,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:40:56" (1/1) ... [2023-04-02 07:40:56,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 07:40:56,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 07:40:56,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 07:40:56,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 07:40:56,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:40:56" (1/1) ... [2023-04-02 07:40:56,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 07:40:56,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:40:56,770 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) [2023-04-02 07:40:56,786 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 [2023-04-02 07:40:56,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 07:40:56,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 07:40:56,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2023-04-02 07:40:56,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2023-04-02 07:40:56,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-04-02 07:40:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-02 07:40:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 07:40:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-04-02 07:40:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2023-04-02 07:40:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-02 07:40:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-04-02 07:40:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-04-02 07:40:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-02 07:40:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-02 07:40:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2023-04-02 07:40:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2023-04-02 07:40:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2023-04-02 07:40:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2023-04-02 07:40:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-02 07:40:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_kmalloc_pool [2023-04-02 07:40:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2023-04-02 07:40:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2023-04-02 07:40:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2023-04-02 07:40:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2023-04-02 07:40:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2023-04-02 07:40:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2023-04-02 07:40:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2023-04-02 07:40:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 07:40:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 07:40:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-02 07:40:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2023-04-02 07:40:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-02 07:40:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2023-04-02 07:40:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2023-04-02 07:40:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2023-04-02 07:40:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf [2023-04-02 07:40:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2023-04-02 07:40:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2023-04-02 07:40:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_find_single_vq [2023-04-02 07:40:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_done [2023-04-02 07:40:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure do_req [2023-04-02 07:40:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure do_virtblk_request [2023-04-02 07:40:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_prepare_flush [2023-04-02 07:40:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_get_id [2023-04-02 07:40:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_ioctl [2023-04-02 07:40:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_getgeo [2023-04-02 07:40:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2023-04-02 07:40:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_probe [2023-04-02 07:40:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2023-04-02 07:40:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2023-04-02 07:40:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure fini [2023-04-02 07:40:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 07:40:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-04-02 07:40:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-04-02 07:40:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-02 07:40:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request_5 [2023-04-02 07:40:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-02 07:40:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-02 07:40:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-02 07:40:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-02 07:40:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-02 07:40:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-02 07:40:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR___0 [2023-04-02 07:40:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_blk_rq [2023-04-02 07:40:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_blk_rq [2023-04-02 07:40:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 07:40:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2023-04-02 07:40:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2023-04-02 07:40:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-02 07:40:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-02 07:40:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-02 07:40:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-02 07:40:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-02 07:40:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-02 07:40:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2023-04-02 07:40:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2023-04-02 07:40:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_map_kern [2023-04-02 07:40:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2023-04-02 07:40:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2023-04-02 07:40:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq [2023-04-02 07:40:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2023-04-02 07:40:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_make_request [2023-04-02 07:40:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_peek_request [2023-04-02 07:40:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_alignment_offset [2023-04-02 07:40:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_bounce_limit [2023-04-02 07:40:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_min [2023-04-02 07:40:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_opt [2023-04-02 07:40:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2023-04-02 07:40:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2023-04-02 07:40:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2023-04-02 07:40:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segments [2023-04-02 07:40:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2023-04-02 07:40:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_physical_block_size [2023-04-02 07:40:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_sg [2023-04-02 07:40:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2023-04-02 07:40:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_request [2023-04-02 07:40:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2023-04-02 07:40:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-04-02 07:40:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2023-04-02 07:40:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-04-02 07:40:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 07:40:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-04-02 07:40:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2023-04-02 07:40:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_alloc [2023-04-02 07:40:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create [2023-04-02 07:40:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2023-04-02 07:40:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2023-04-02 07:40:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-04-02 07:40:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-04-02 07:40:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2023-04-02 07:40:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure register_virtio_driver [2023-04-02 07:40:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2023-04-02 07:40:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure set_disk_ro [2023-04-02 07:40:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2023-04-02 07:40:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2023-04-02 07:40:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_virtio_driver [2023-04-02 07:40:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_check_driver_offered_feature [2023-04-02 07:40:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf_gfp [2023-04-02 07:40:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_get_buf [2023-04-02 07:40:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_kick [2023-04-02 07:40:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 07:40:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 07:40:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 07:40:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 07:40:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 07:40:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 07:40:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 07:40:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-02 07:40:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-04-02 07:40:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-04-02 07:40:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-02 07:40:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-02 07:40:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2023-04-02 07:40:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-04-02 07:40:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-04-02 07:40:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-02 07:40:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-02 07:40:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 07:40:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-02 07:40:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-04-02 07:40:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 07:40:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-04-02 07:40:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-04-02 07:40:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2023-04-02 07:40:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-02 07:40:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-02 07:40:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-02 07:40:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-02 07:40:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-02 07:40:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-04-02 07:40:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2023-04-02 07:40:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2023-04-02 07:40:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2023-04-02 07:40:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2023-04-02 07:40:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2023-04-02 07:40:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2023-04-02 07:40:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2023-04-02 07:40:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure set_disk_ro [2023-04-02 07:40:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2023-04-02 07:40:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 07:40:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2023-04-02 07:40:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 07:40:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2023-04-02 07:40:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-04-02 07:40:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-02 07:40:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-02 07:40:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create [2023-04-02 07:40:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2023-04-02 07:40:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2023-04-02 07:40:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2023-04-02 07:40:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kmalloc [2023-04-02 07:40:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kfree [2023-04-02 07:40:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_kmalloc_pool [2023-04-02 07:40:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2023-04-02 07:40:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure bio_map_kern [2023-04-02 07:40:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2023-04-02 07:40:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure blk_make_request [2023-04-02 07:40:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request_5 [2023-04-02 07:40:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2023-04-02 07:40:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2023-04-02 07:40:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2023-04-02 07:40:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq [2023-04-02 07:40:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2023-04-02 07:40:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure blk_peek_request [2023-04-02 07:40:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_request [2023-04-02 07:40:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2023-04-02 07:40:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2023-04-02 07:40:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2023-04-02 07:40:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2023-04-02 07:40:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2023-04-02 07:40:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segments [2023-04-02 07:40:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2023-04-02 07:40:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2023-04-02 07:40:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_physical_block_size [2023-04-02 07:40:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_alignment_offset [2023-04-02 07:40:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_min [2023-04-02 07:40:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_opt [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_sg [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_blk_rq [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2023-04-02 07:40:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2023-04-02 07:40:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-02 07:40:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2023-04-02 07:40:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2023-04-02 07:40:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2023-04-02 07:40:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2023-04-02 07:40:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf_gfp [2023-04-02 07:40:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf [2023-04-02 07:40:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_kick [2023-04-02 07:40:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_get_buf [2023-04-02 07:40:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure register_virtio_driver [2023-04-02 07:40:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_virtio_driver [2023-04-02 07:40:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_check_driver_offered_feature [2023-04-02 07:40:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2023-04-02 07:40:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2023-04-02 07:40:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2023-04-02 07:40:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_find_single_vq [2023-04-02 07:40:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 07:40:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-04-02 07:40:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 07:40:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure blk_done [2023-04-02 07:40:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure do_req [2023-04-02 07:40:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure do_virtblk_request [2023-04-02 07:40:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_prepare_flush [2023-04-02 07:40:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_get_id [2023-04-02 07:40:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_ioctl [2023-04-02 07:40:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_getgeo [2023-04-02 07:40:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2023-04-02 07:40:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_probe [2023-04-02 07:40:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-02 07:40:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2023-04-02 07:40:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure init [2023-04-02 07:40:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure fini [2023-04-02 07:40:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 07:40:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 07:40:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-04-02 07:40:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 07:40:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-02 07:40:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-02 07:40:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR___0 [2023-04-02 07:40:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_blk_rq [2023-04-02 07:40:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 07:40:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 07:40:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 07:40:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 07:40:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 07:40:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 07:40:57,134 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 07:40:57,137 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 07:40:58,151 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 07:40:58,167 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 07:40:58,167 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-02 07:40:58,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 07:40:58 BoogieIcfgContainer [2023-04-02 07:40:58,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 07:40:58,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 07:40:58,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 07:40:58,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 07:40:58,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 07:40:55" (1/3) ... [2023-04-02 07:40:58,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b11231f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 07:40:58, skipping insertion in model container [2023-04-02 07:40:58,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:40:56" (2/3) ... [2023-04-02 07:40:58,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b11231f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 07:40:58, skipping insertion in model container [2023-04-02 07:40:58,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 07:40:58" (3/3) ... [2023-04-02 07:40:58,176 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2023-04-02 07:40:58,188 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 07:40:58,188 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 07:40:58,236 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 07:40:58,240 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=PETRI_NET, 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;@522cd82e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 07:40:58,241 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 07:40:58,246 INFO L276 IsEmpty]: Start isEmpty. Operand has 816 states, 528 states have (on average 1.2348484848484849) internal successors, (652), 541 states have internal predecessors, (652), 168 states have call successors, (168), 115 states have call predecessors, (168), 115 states have return successors, (168), 166 states have call predecessors, (168), 168 states have call successors, (168) [2023-04-02 07:40:58,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-04-02 07:40:58,251 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:40:58,251 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] [2023-04-02 07:40:58,252 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:40:58,255 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:40:58,255 INFO L85 PathProgramCache]: Analyzing trace with hash 720866658, now seen corresponding path program 1 times [2023-04-02 07:40:58,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:40:58,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894239415] [2023-04-02 07:40:58,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:40:58,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:40:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:40:58,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:40:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:40:58,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:40:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:40:58,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:40:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:40:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:40:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:40:58,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:40:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:40:58,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:40:58,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:40:58,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894239415] [2023-04-02 07:40:58,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894239415] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:40:58,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:40:58,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 07:40:58,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586577479] [2023-04-02 07:40:58,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:40:58,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 07:40:58,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:40:58,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 07:40:58,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 07:40:58,686 INFO L87 Difference]: Start difference. First operand has 816 states, 528 states have (on average 1.2348484848484849) internal successors, (652), 541 states have internal predecessors, (652), 168 states have call successors, (168), 115 states have call predecessors, (168), 115 states have return successors, (168), 166 states have call predecessors, (168), 168 states have call successors, (168) Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-02 07:40:59,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:40:59,719 INFO L93 Difference]: Finished difference Result 603 states and 723 transitions. [2023-04-02 07:40:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 07:40:59,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (8), 5 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 [2023-04-02 07:40:59,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:40:59,729 INFO L225 Difference]: With dead ends: 603 [2023-04-02 07:40:59,729 INFO L226 Difference]: Without dead ends: 384 [2023-04-02 07:40:59,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-04-02 07:40:59,735 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 419 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-02 07:40:59,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 87 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-02 07:40:59,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2023-04-02 07:40:59,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2023-04-02 07:40:59,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 238 states have (on average 1.1596638655462186) internal successors, (276), 242 states have internal predecessors, (276), 81 states have call successors, (81), 65 states have call predecessors, (81), 64 states have return successors, (87), 78 states have call predecessors, (87), 77 states have call successors, (87) [2023-04-02 07:40:59,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 444 transitions. [2023-04-02 07:40:59,816 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 444 transitions. Word has length 28 [2023-04-02 07:40:59,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:40:59,816 INFO L495 AbstractCegarLoop]: Abstraction has 384 states and 444 transitions. [2023-04-02 07:40:59,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-02 07:40:59,817 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 444 transitions. [2023-04-02 07:40:59,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-02 07:40:59,821 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:40:59,821 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2023-04-02 07:40:59,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 07:40:59,822 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:40:59,822 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:40:59,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1800962255, now seen corresponding path program 1 times [2023-04-02 07:40:59,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:40:59,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814630783] [2023-04-02 07:40:59,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:40:59,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:40:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:40:59,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:40:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:40:59,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:40:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:40:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:40:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:40:59,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:40:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:41:00,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:41:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:41:00,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 07:41:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:41:00,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 07:41:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:41:00,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:41:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:41:00,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:41:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:41:00,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:41:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:41:00,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:41:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:41:00,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:41:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:41:00,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-04-02 07:41:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:41:00,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:41:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:41:00,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:41:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:41:00,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:41:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:41:00,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 07:41:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:41:00,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:41:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:41:00,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-04-02 07:41:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:41:00,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 07:41:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:41:00,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 07:41:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:41:00,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:41:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:41:00,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 07:41:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:41:00,163 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-02 07:41:00,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:41:00,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814630783] [2023-04-02 07:41:00,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814630783] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:41:00,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:41:00,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 07:41:00,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151390359] [2023-04-02 07:41:00,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:41:00,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 07:41:00,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:41:00,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 07:41:00,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-04-02 07:41:00,167 INFO L87 Difference]: Start difference. First operand 384 states and 444 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 8 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-02 07:41:01,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:41:01,252 INFO L93 Difference]: Finished difference Result 835 states and 1004 transitions. [2023-04-02 07:41:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-02 07:41:01,252 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 8 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 125 [2023-04-02 07:41:01,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:41:01,255 INFO L225 Difference]: With dead ends: 835 [2023-04-02 07:41:01,255 INFO L226 Difference]: Without dead ends: 474 [2023-04-02 07:41:01,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2023-04-02 07:41:01,257 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 629 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 1600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-02 07:41:01,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 158 Invalid, 1600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-02 07:41:01,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2023-04-02 07:41:01,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 384. [2023-04-02 07:41:01,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 238 states have (on average 1.1554621848739495) internal successors, (275), 242 states have internal predecessors, (275), 81 states have call successors, (81), 65 states have call predecessors, (81), 64 states have return successors, (87), 78 states have call predecessors, (87), 77 states have call successors, (87) [2023-04-02 07:41:01,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 443 transitions. [2023-04-02 07:41:01,307 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 443 transitions. Word has length 125 [2023-04-02 07:41:01,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:41:01,307 INFO L495 AbstractCegarLoop]: Abstraction has 384 states and 443 transitions. [2023-04-02 07:41:01,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 8 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-02 07:41:01,307 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 443 transitions. [2023-04-02 07:41:01,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-04-02 07:41:01,309 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:41:01,309 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2023-04-02 07:41:01,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 07:41:01,310 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:41:01,310 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:41:01,310 INFO L85 PathProgramCache]: Analyzing trace with hash -757408261, now seen corresponding path program 1 times [2023-04-02 07:41:01,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:41:01,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134549797] [2023-04-02 07:41:01,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:41:01,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:41:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-02 07:41:01,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-04-02 07:41:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-02 07:41:01,432 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-04-02 07:41:01,433 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-04-02 07:41:01,433 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 07:41:01,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 07:41:01,437 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-04-02 07:41:01,440 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 07:41:01,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 07:41:01 BoogieIcfgContainer [2023-04-02 07:41:01,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 07:41:01,516 INFO L158 Benchmark]: Toolchain (without parser) took 5859.58ms. Allocated memory was 290.5MB in the beginning and 393.2MB in the end (delta: 102.8MB). Free memory was 246.0MB in the beginning and 227.0MB in the end (delta: 19.0MB). Peak memory consumption was 122.3MB. Max. memory is 8.0GB. [2023-04-02 07:41:01,516 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 183.5MB. Free memory is still 129.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 07:41:01,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 911.90ms. Allocated memory is still 290.5MB. Free memory was 246.0MB in the beginning and 149.5MB in the end (delta: 96.5MB). Peak memory consumption was 96.5MB. Max. memory is 8.0GB. [2023-04-02 07:41:01,517 INFO L158 Benchmark]: Boogie Preprocessor took 176.43ms. Allocated memory is still 290.5MB. Free memory was 149.5MB in the beginning and 138.0MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-04-02 07:41:01,517 INFO L158 Benchmark]: RCFGBuilder took 1423.06ms. Allocated memory is still 290.5MB. Free memory was 138.0MB in the beginning and 156.5MB in the end (delta: -18.4MB). Peak memory consumption was 63.3MB. Max. memory is 8.0GB. [2023-04-02 07:41:01,517 INFO L158 Benchmark]: TraceAbstraction took 3343.60ms. Allocated memory was 290.5MB in the beginning and 393.2MB in the end (delta: 102.8MB). Free memory was 155.9MB in the beginning and 227.0MB in the end (delta: -71.0MB). Peak memory consumption was 31.7MB. Max. memory is 8.0GB. [2023-04-02 07:41:01,518 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 183.5MB. Free memory is still 129.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 911.90ms. Allocated memory is still 290.5MB. Free memory was 246.0MB in the beginning and 149.5MB in the end (delta: 96.5MB). Peak memory consumption was 96.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 176.43ms. Allocated memory is still 290.5MB. Free memory was 149.5MB in the beginning and 138.0MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * RCFGBuilder took 1423.06ms. Allocated memory is still 290.5MB. Free memory was 138.0MB in the beginning and 156.5MB in the end (delta: -18.4MB). Peak memory consumption was 63.3MB. Max. memory is 8.0GB. * TraceAbstraction took 3343.60ms. Allocated memory was 290.5MB in the beginning and 393.2MB in the end (delta: 102.8MB). Free memory was 155.9MB in the beginning and 227.0MB in the end (delta: -71.0MB). Peak memory consumption was 31.7MB. 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: 4295]: 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 4179. Possible FailurePath: [L3648] static int major ; [L3649] static int index ; [L3974-L3975] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L4173-L4174] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4175-L4178] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4179-L4180] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4202] struct virtio_device_id const __mod_virtio_device_table ; [L4207] int LDV_IN_INTERRUPT ; [L4348] int ldv_blk_rq = 0; VAL [LDV_IN_INTERRUPT=0, \old(LDV_IN_INTERRUPT)=4294967306, \old(__mod_virtio_device_table)=4294967301, \old(__mod_virtio_device_table)=4294967305, \old(features)={4294967308:4294967298}, \old(id_table)={4294967299:4294967313}, \old(index)=4294967318, \old(ldv_blk_rq)=4294967303, \old(major)=4294967314, \old(virtblk_fops)={4294967315:4294967312}, \old(virtio_blk)={4294967309:4294967321}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4210] struct block_device *var_group1 ; [L4211] fmode_t var_virtblk_ioctl_5_p1 ; [L4212] unsigned int var_virtblk_ioctl_5_p2 ; [L4213] unsigned long var_virtblk_ioctl_5_p3 ; [L4214] struct hd_geometry *var_group2 ; [L4215] int tmp ; [L4216] int tmp___0 ; [L4217] int tmp___1 ; [L4219] LDV_IN_INTERRUPT = 1 VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4220] FCALL ldv_initialize() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4221] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4222] CALL, EXPR init() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4183] int tmp ; VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4185] CALL, EXPR register_blkdev(0U, "virtblk") VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(arg0)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, arg1={10:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4531] return __VERIFIER_nondet_int(); [L4185] RET, EXPR register_blkdev(0U, "virtblk") VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, register_blkdev(0U, "virtblk")=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4185] major = register_blkdev(0U, "virtblk") [L4186] COND FALSE !(major < 0) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4190] CALL, EXPR register_virtio_driver(& virtio_blk) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, arg0={15:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4535] return __VERIFIER_nondet_int(); [L4190] RET, EXPR register_virtio_driver(& virtio_blk) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, register_virtio_driver(& virtio_blk)=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4190] tmp = register_virtio_driver(& virtio_blk) [L4191] return (tmp); VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, \result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4222] RET, EXPR init() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, init()=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4222] tmp = init() [L4223] COND FALSE !(tmp != 0) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4244] tmp___1 = __VERIFIER_nondet_int() [L4245] COND TRUE tmp___1 != 0 VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, tmp=0, tmp___1=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4229] tmp___0 = __VERIFIER_nondet_int() [L4231] case 0: VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, tmp=0, tmp___0=0, tmp___1=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4232] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, tmp=0, tmp___0=0, tmp___1=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4233] CALL virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(cmd)=1447184708, \old(data)=0, \old(ldv_blk_rq)=0, \old(major)=0, \old(mode)=24, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, bdev={4294967317:-2}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L3912] struct gendisk *disk ; [L3913] struct virtio_blk *vblk ; [L3914] void *usr_data ; [L3915] char id_str[20U] ; [L3916] int err ; [L3917] int tmp ; [L3918] bool tmp___0 ; [L3919] int tmp___1 ; [L3920] int tmp___2 ; [L3922] EXPR bdev->bd_disk [L3922] disk = bdev->bd_disk [L3923] EXPR disk->private_data [L3923] vblk = (struct virtio_blk *)disk->private_data [L3924] COND TRUE cmd == 1447184708U [L3925] usr_data = (void *)data VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(cmd)=1447184708, \old(data)=0, \old(ldv_blk_rq)=0, \old(major)=0, \old(mode)=24, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, bdev={4294967317:-2}, bdev={4294967317:-2}, cmd=1447184708, data=0, disk={4294967304:0}, features={14:0}, id_str={18:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, mode=24, usr_data={0:0}, vblk={0:-5}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3926] CALL, EXPR virtblk_get_id(disk, (char *)(& id_str)) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, disk={4294967304:0}, features={14:0}, id_str={18:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L3879] struct virtio_blk *vblk ; [L3880] struct request *req ; [L3881] struct bio *bio ; [L3882] long tmp ; [L3883] long tmp___0 ; [L3884] long tmp___1 ; [L3885] long tmp___2 ; [L3886] int tmp___3 ; [L3888] EXPR disk->private_data [L3888] vblk = (struct virtio_blk *)disk->private_data [L3889] EXPR vblk->disk [L3889] EXPR (vblk->disk)->queue VAL [(vblk->disk)->queue={4294967296:4294967311}, LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, disk={4294967304:0}, disk={4294967304:0}, features={14:0}, id_str={18:0}, id_str={18:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, vblk->disk={4294967297:0}, vblk={0:-5}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3889] CALL, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(arg2)=20, \old(arg3)=208, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, arg0={4294967296:4294967311}, arg1={18:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4427] CALL, EXPR ldv_malloc(sizeof(struct bio)) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, \old(size)=72, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L3456] COND FALSE !(__VERIFIER_nondet_int()) [L3461] return ((void *)0); VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, \old(size)=72, \result={0:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, size=72, virtblk_fops={12:0}, virtio_blk={15:0}] [L4427] RET, EXPR ldv_malloc(sizeof(struct bio)) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(arg2)=20, \old(arg3)=208, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, arg0={4294967296:4294967311}, arg0={4294967296:4294967311}, arg1={18:0}, arg1={18:0}, arg2=20, arg3=208, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_malloc(sizeof(struct bio))={0:0}, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4427] return ldv_malloc(sizeof(struct bio)); [L3889] RET, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) VAL [(vblk->disk)->queue={4294967296:4294967311}, LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U)={0:0}, disk={4294967304:0}, disk={4294967304:0}, features={14:0}, id_str={18:0}, id_str={18:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, vblk->disk={4294967297:0}, vblk={0:-5}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3889] bio = bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3890] CALL, EXPR IS_ERR((void const *)bio) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4274] long tmp ; VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] CALL, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4307] return ((unsigned long )ptr > 2012UL); VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, \result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] RET, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_is_err(ptr)=0, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] tmp = ldv_is_err(ptr) [L4277] return (tmp); VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, \result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, ptr={0:0}, ptr={0:0}, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L3890] RET, EXPR IS_ERR((void const *)bio) VAL [IS_ERR((void const *)bio)=0, LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, bio={0:0}, disk={4294967304:0}, disk={4294967304:0}, features={14:0}, id_str={18:0}, id_str={18:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, vblk={0:-5}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3890] tmp___0 = IS_ERR((void const *)bio) [L3891] COND FALSE !(tmp___0 != 0L) [L3896] EXPR vblk->disk [L3896] EXPR (vblk->disk)->queue VAL [(vblk->disk)->queue={4294967296:4294967311}, LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, bio={0:0}, disk={4294967304:0}, disk={4294967304:0}, features={14:0}, id_str={18:0}, id_str={18:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, tmp___0=0, vblk->disk={4294967297:0}, vblk={0:-5}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3896] CALL, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(ldv_func_arg3)=208, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_func_arg1={4294967296:4294967311}, ldv_func_arg2={0:0}, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4283] ldv_func_ret_type___3 ldv_func_res ; [L4284] struct request *tmp ; VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(ldv_func_arg3)=208, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_func_arg1={4294967296:4294967311}, ldv_func_arg1={4294967296:4294967311}, ldv_func_arg2={0:0}, ldv_func_arg2={0:0}, ldv_func_arg3=208, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4286] CALL, EXPR blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(arg2)=208, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, arg0={4294967296:4294967311}, arg1={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4443] CALL, EXPR ldv_malloc(sizeof(struct request)) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, \old(size)=198, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L3456] COND FALSE !(__VERIFIER_nondet_int()) [L3461] return ((void *)0); VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, \old(size)=198, \result={0:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, size=198, virtblk_fops={12:0}, virtio_blk={15:0}] [L4443] RET, EXPR ldv_malloc(sizeof(struct request)) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(arg2)=208, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, arg0={4294967296:4294967311}, arg0={4294967296:4294967311}, arg1={0:0}, arg1={0:0}, arg2=208, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_malloc(sizeof(struct request))={0:0}, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4443] return ldv_malloc(sizeof(struct request)); [L4286] RET, EXPR blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(ldv_func_arg3)=208, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3)={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_func_arg1={4294967296:4294967311}, ldv_func_arg1={4294967296:4294967311}, ldv_func_arg2={0:0}, ldv_func_arg2={0:0}, ldv_func_arg3=208, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4286] tmp = blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4287] ldv_func_res = tmp VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(ldv_func_arg3)=208, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, ldv_func_arg1={4294967296:4294967311}, ldv_func_arg1={4294967296:4294967311}, ldv_func_arg2={0:0}, ldv_func_arg2={0:0}, ldv_func_arg3=208, ldv_func_res={0:0}, major=0, tmp={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4288] CALL ldv_get_blk_rq(ldv_func_res, ldv_func_arg3) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, \old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4351] long tmp ; VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, \old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4353] COND TRUE ldv_blk_rq == 0 VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, \old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, major=0, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4357] COND TRUE (mask == 16U || mask == 208U) || mask == 16U [L4358] ldv_blk_rq = 1 VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, \old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4288] RET ldv_get_blk_rq(ldv_func_res, ldv_func_arg3) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(ldv_func_arg3)=208, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_func_arg1={4294967296:4294967311}, ldv_func_arg1={4294967296:4294967311}, ldv_func_arg2={0:0}, ldv_func_arg2={0:0}, ldv_func_arg3=208, ldv_func_res={0:0}, major=0, tmp={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4289] return (ldv_func_res); VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(ldv_func_arg3)=208, \old(major)=0, \result={0:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_func_arg1={4294967296:4294967311}, ldv_func_arg1={4294967296:4294967311}, ldv_func_arg2={0:0}, ldv_func_arg2={0:0}, ldv_func_arg3=208, ldv_func_res={0:0}, major=0, tmp={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3896] RET, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) VAL [(vblk->disk)->queue={4294967296:4294967311}, LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, bio={0:0}, disk={4294967304:0}, disk={4294967304:0}, features={14:0}, id_str={18:0}, id_str={18:0}, id_table={13:0}, index=0, ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U)={0:0}, ldv_blk_rq=1, major=0, tmp___0=0, vblk->disk={4294967297:0}, vblk={0:-5}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3896] req = ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3897] CALL, EXPR IS_ERR((void const *)req) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4274] long tmp ; VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] CALL, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4307] return ((unsigned long )ptr > 2012UL); VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, \result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] RET, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_is_err(ptr)=0, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] tmp = ldv_is_err(ptr) [L4277] return (tmp); VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, \result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, ptr={0:0}, ptr={0:0}, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L3897] RET, EXPR IS_ERR((void const *)req) VAL [IS_ERR((void const *)req)=0, LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, bio={0:0}, disk={4294967304:0}, disk={4294967304:0}, features={14:0}, id_str={18:0}, id_str={18:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, req={0:0}, tmp___0=0, vblk={0:-5}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3897] tmp___2 = IS_ERR((void const *)req) [L3898] COND FALSE !(tmp___2 != 0L) [L3904] req->cmd_type = 7 [L3905] EXPR vblk->disk [L3905] EXPR (vblk->disk)->queue [L3905] EXPR vblk->disk VAL [(vblk->disk)->queue={4294967296:4294967311}, LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, bio={0:0}, disk={4294967304:0}, disk={4294967304:0}, features={14:0}, id_str={18:0}, id_str={18:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, req={0:0}, tmp___0=0, tmp___2=0, vblk->disk={4294967297:0}, vblk->disk={4294967297:0}, vblk={0:-5}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3905] CALL, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(arg3)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, arg0={4294967296:4294967311}, arg1={4294967297:0}, arg2={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4437] return __VERIFIER_nondet_int(); [L3905] RET, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) VAL [(vblk->disk)->queue={4294967296:4294967311}, LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, bio={0:0}, blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0)=19, disk={4294967304:0}, disk={4294967304:0}, features={14:0}, id_str={18:0}, id_str={18:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, req={0:0}, tmp___0=0, tmp___2=0, vblk->disk={4294967297:0}, vblk->disk={4294967297:0}, vblk={0:-5}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3905] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3906] return (tmp___3); VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, \result=19, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, bio={0:0}, disk={4294967304:0}, disk={4294967304:0}, features={14:0}, id_str={18:0}, id_str={18:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, req={0:0}, tmp___0=0, tmp___2=0, tmp___3=19, vblk={0:-5}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3926] RET, EXPR virtblk_get_id(disk, (char *)(& id_str)) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(cmd)=1447184708, \old(data)=0, \old(ldv_blk_rq)=0, \old(major)=0, \old(mode)=24, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, bdev={4294967317:-2}, bdev={4294967317:-2}, cmd=1447184708, data=0, disk={4294967304:0}, features={14:0}, id_str={18:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, mode=24, usr_data={0:0}, vblk={0:-5}, virtblk_fops={12:0}, virtblk_get_id(disk, (char *)(& id_str))=19, virtio_blk={15:0}] [L3926] err = virtblk_get_id(disk, (char *)(& id_str)) [L3927] COND FALSE !(err == 0) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(cmd)=1447184708, \old(data)=0, \old(ldv_blk_rq)=0, \old(major)=0, \old(mode)=24, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, bdev={4294967317:-2}, bdev={4294967317:-2}, cmd=1447184708, data=0, disk={4294967304:0}, err=19, features={14:0}, id_str={18:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, mode=24, usr_data={0:0}, vblk={0:-5}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3935] return (err); [L3935] return (err); VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(cmd)=1447184708, \old(data)=0, \old(ldv_blk_rq)=0, \old(major)=0, \old(mode)=24, \result=19, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, bdev={4294967317:-2}, bdev={4294967317:-2}, cmd=1447184708, data=0, disk={4294967304:0}, err=19, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, mode=24, usr_data={0:0}, vblk={0:-5}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4233] RET virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, tmp=0, tmp___0=0, tmp___1=1, var_group1={4294967317:-2}, var_virtblk_ioctl_5_p1=24, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=0, virtblk_fops={12:0}, virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3)=19, virtio_blk={15:0}] [L4244] tmp___1 = __VERIFIER_nondet_int() [L4245] COND FALSE !(tmp___1 != 0) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, tmp=0, tmp___0=0, tmp___1=0, var_group1={4294967317:-2}, var_virtblk_ioctl_5_p1=24, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4249] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, tmp=0, tmp___0=0, tmp___1=0, var_group1={4294967317:-2}, var_virtblk_ioctl_5_p1=24, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4250] CALL fini() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4197] FCALL unregister_blkdev((unsigned int )major, "virtblk") VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4198] FCALL unregister_virtio_driver(& virtio_blk) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4250] RET fini() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, tmp=0, tmp___0=0, tmp___1=0, var_group1={4294967317:-2}, var_virtblk_ioctl_5_p1=24, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4252] CALL ldv_check_final_state() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4385] COND FALSE !(ldv_blk_rq == 0) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4387] CALL ldv_error() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4295] reach_error() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_blk_rq)=0, \old(major)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={4294967319:4294967307}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 121 procedures, 829 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1107 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1048 mSDsluCounter, 245 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 176 mSDsCounter, 592 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1700 IncrementalHoareTripleChecker+Invalid, 2292 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 592 mSolverCounterUnsat, 69 mSDtfsCounter, 1700 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=816occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 90 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 283 NumberOfCodeBlocks, 283 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 151 ConstructedInterpolants, 0 QuantifiedInterpolants, 360 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 20/20 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 [2023-04-02 07:41:01,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...