/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain EqDomain -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 13:49:09,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 13:49:09,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 13:49:09,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 13:49:09,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 13:49:09,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 13:49:09,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 13:49:09,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 13:49:09,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 13:49:09,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 13:49:09,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 13:49:09,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 13:49:09,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 13:49:09,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 13:49:09,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 13:49:09,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 13:49:09,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 13:49:09,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 13:49:09,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 13:49:09,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 13:49:09,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 13:49:09,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 13:49:09,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 13:49:09,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 13:49:09,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 13:49:09,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 13:49:09,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 13:49:09,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 13:49:09,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 13:49:09,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 13:49:09,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 13:49:09,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 13:49:09,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 13:49:09,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 13:49:09,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 13:49:09,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 13:49:09,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 13:49:09,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 13:49:09,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 13:49:09,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 13:49:09,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 13:49:09,476 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 13:49:09,503 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 13:49:09,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 13:49:09,504 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 13:49:09,504 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 13:49:09,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 13:49:09,505 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 13:49:09,505 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 13:49:09,505 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 13:49:09,505 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 13:49:09,505 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 13:49:09,505 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 13:49:09,506 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 13:49:09,506 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 13:49:09,506 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 13:49:09,506 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 13:49:09,506 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 13:49:09,506 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 13:49:09,506 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 13:49:09,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 13:49:09,507 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 13:49:09,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 13:49:09,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 13:49:09,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 13:49:09,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 13:49:09,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 13:49:09,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 13:49:09,507 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 13:49:09,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 13:49:09,507 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 13:49:09,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 13:49:09,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 13:49:09,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 13:49:09,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 13:49:09,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 13:49:09,508 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 13:49:09,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 13:49:09,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 13:49:09,508 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 13:49:09,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 13:49:09,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 13:49:09,508 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 13:49:09,508 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 13:49:09,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 13:49:09,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 13:49:09,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 13:49:09,660 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 13:49:09,661 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 13:49:09,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-04-01 13:49:10,573 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 13:49:11,036 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 13:49:11,036 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-04-01 13:49:11,073 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/530c373f8/0293c2b6727a490191268d4813fdb23f/FLAG977410a28 [2023-04-01 13:49:11,087 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/530c373f8/0293c2b6727a490191268d4813fdb23f [2023-04-01 13:49:11,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 13:49:11,090 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 13:49:11,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 13:49:11,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 13:49:11,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 13:49:11,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:49:11" (1/1) ... [2023-04-01 13:49:11,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69777d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:49:11, skipping insertion in model container [2023-04-01 13:49:11,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:49:11" (1/1) ... [2023-04-01 13:49:11,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 13:49:11,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 13:49:12,956 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i[358518,358531] [2023-04-01 13:49:13,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 13:49:13,164 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 13:49:13,450 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i[358518,358531] [2023-04-01 13:49:13,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 13:49:13,547 WARN L667 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 13:49:13,548 WARN L667 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 13:49:13,548 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 13:49:13,548 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 13:49:13,552 INFO L208 MainTranslator]: Completed translation [2023-04-01 13:49:13,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:49:13 WrapperNode [2023-04-01 13:49:13,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 13:49:13,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 13:49:13,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 13:49:13,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 13:49:13,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:49:13" (1/1) ... [2023-04-01 13:49:13,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:49:13" (1/1) ... [2023-04-01 13:49:13,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:49:13" (1/1) ... [2023-04-01 13:49:13,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:49:13" (1/1) ... [2023-04-01 13:49:13,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:49:13" (1/1) ... [2023-04-01 13:49:13,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:49:13" (1/1) ... [2023-04-01 13:49:13,903 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:49:13" (1/1) ... [2023-04-01 13:49:13,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:49:13" (1/1) ... [2023-04-01 13:49:13,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 13:49:13,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 13:49:13,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 13:49:13,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 13:49:13,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:49:13" (1/1) ... [2023-04-01 13:49:13,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 13:49:13,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 13:49:14,006 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) [2023-04-01 13:49:14,021 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 [2023-04-01 13:49:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 13:49:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 13:49:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-04-01 13:49:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 13:49:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-04-01 13:49:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure fls64 [2023-04-01 13:49:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2023-04-01 13:49:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-04-01 13:49:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-04-01 13:49:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-01 13:49:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2023-04-01 13:49:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2023-04-01 13:49:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2023-04-01 13:49:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 13:49:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 13:49:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-01 13:49:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-01 13:49:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-01 13:49:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-01 13:49:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-01 13:49:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-01 13:49:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 13:49:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2023-04-01 13:49:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-04-01 13:49:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-04-01 13:49:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-04-01 13:49:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2023-04-01 13:49:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-04-01 13:49:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-01 13:49:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-01 13:49:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-01 13:49:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-04-01 13:49:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2023-04-01 13:49:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2023-04-01 13:49:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-04-01 13:49:14,048 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-01 13:49:14,048 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-01 13:49:14,048 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-01 13:49:14,048 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2023-04-01 13:49:14,048 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2023-04-01 13:49:14,048 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-04-01 13:49:14,048 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2023-04-01 13:49:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_analyze_sense [2023-04-01 13:49:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2023-04-01 13:49:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_end_async [2023-04-01 13:49:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_allocate_request [2023-04-01 13:49:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2023-04-01 13:49:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_execute [2023-04-01 13:49:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2023-04-01 13:49:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2023-04-01 13:49:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2023-04-01 13:49:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2023-04-01 13:49:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2023-04-01 13:49:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_for_medium [2023-04-01 13:49:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2023-04-01 13:49:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2023-04-01 13:49:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2023-04-01 13:49:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2023-04-01 13:49:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2023-04-01 13:49:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2023-04-01 13:49:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2023-04-01 13:49:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2023-04-01 13:49:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_sector [2023-04-01 13:49:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_sector [2023-04-01 13:49:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2023-04-01 13:49:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2023-04-01 13:49:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2023-04-01 13:49:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2023-04-01 13:49:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2023-04-01 13:49:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_fast [2023-04-01 13:49:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2023-04-01 13:49:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2023-04-01 13:49:14,052 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filler [2023-04-01 13:49:14,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2023-04-01 13:49:14,052 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2023-04-01 13:49:14,052 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2023-04-01 13:49:14,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2023-04-01 13:49:14,053 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_analyze_headers [2023-04-01 13:49:14,053 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_position [2023-04-01 13:49:14,053 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_parse_firmware_rev [2023-04-01 13:49:14,053 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_configure_onstream [2023-04-01 13:49:14,053 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2023-04-01 13:49:14,053 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2023-04-01 13:49:14,053 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2023-04-01 13:49:14,053 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2023-04-01 13:49:14,053 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2023-04-01 13:49:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2023-04-01 13:49:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2023-04-01 13:49:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2023-04-01 13:49:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_state [2023-04-01 13:49:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2023-04-01 13:49:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read [2023-04-01 13:49:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2023-04-01 13:49:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_options [2023-04-01 13:49:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2023-04-01 13:49:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __os_scsi_tape_open [2023-04-01 13:49:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_open [2023-04-01 13:49:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2023-04-01 13:49:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_close [2023-04-01 13:49:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_ioctl [2023-04-01 13:49:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_compat_ioctl [2023-04-01 13:49:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure new_tape_buffer [2023-04-01 13:49:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure enlarge_buffer [2023-04-01 13:49:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2023-04-01 13:49:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2023-04-01 13:49:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure from_buffer [2023-04-01 13:49:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_zero_buffer_tail [2023-04-01 13:49:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2023-04-01 13:49:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2023-04-01 13:49:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_options [2023-04-01 13:49:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_supports [2023-04-01 13:49:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_version_show [2023-04-01 13:49:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_create_sysfs_files [2023-04-01 13:49:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_remove_sysfs_files [2023-04-01 13:49:14,056 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_adr_rev_show [2023-04-01 13:49:14,056 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_linux_media_version_show [2023-04-01 13:49:14,056 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_capacity_show [2023-04-01 13:49:14,056 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_first_data_ppos_show [2023-04-01 13:49:14,058 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_eod_frame_ppos_show [2023-04-01 13:49:14,058 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_filemark_cnt_show [2023-04-01 13:49:14,062 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_init [2023-04-01 13:49:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2023-04-01 13:49:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2023-04-01 13:49:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2023-04-01 13:49:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_probe [2023-04-01 13:49:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_remove [2023-04-01 13:49:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure init_osst [2023-04-01 13:49:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_osst [2023-04-01 13:49:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_driver_9 [2023-04-01 13:49:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_8 [2023-04-01 13:49:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 13:49:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-04-01 13:49:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-01 13:49:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2023-04-01 13:49:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2023-04-01 13:49:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2023-04-01 13:49:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2023-04-01 13:49:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_9 [2023-04-01 13:49:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_10 [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_14 [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_19 [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_20 [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_25 [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_26 [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-01 13:49:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2023-04-01 13:49:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2023-04-01 13:49:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2023-04-01 13:49:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2023-04-01 13:49:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_osst_tape [2023-04-01 13:49:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_osst_tape [2023-04-01 13:49:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_osst_tape [2023-04-01 13:49:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_osst_tape [2023-04-01 13:49:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_osst_tape [2023-04-01 13:49:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_osst_tape [2023-04-01 13:49:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock_of_osst_tape [2023-04-01 13:49:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock_of_osst_tape [2023-04-01 13:49:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock_of_osst_tape [2023-04-01 13:49:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock_of_osst_tape [2023-04-01 13:49:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_osst_int_mutex [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_osst_int_mutex [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_osst_int_mutex [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_osst_int_mutex [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_osst_int_mutex [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_osst_int_mutex [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_osst_int_mutex [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_osst_int_mutex [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_osst_int_mutex [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_osst_int_mutex [2023-04-01 13:49:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_osst_int_mutex [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_put_request [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_chrdev [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_print_sense [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq_nowait [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_get_request [2023-04-01 13:49:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_put_request [2023-04-01 13:49:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_kern [2023-04-01 13:49:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_user [2023-04-01 13:49:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_set_block_pc [2023-04-01 13:49:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_unmap_user [2023-04-01 13:49:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-04-01 13:49:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2023-04-01 13:49:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-04-01 13:49:14,071 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2023-04-01 13:49:14,072 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-04-01 13:49:14,072 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2023-04-01 13:49:14,072 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2023-04-01 13:49:14,072 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure panic [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_get [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_get_sense_info_fld [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_ioctl [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_ioctl_block_when_processing_errors [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_normalize_sense [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_register_driver [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sense_desc_find [2023-04-01 13:49:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_set_medium_removal [2023-04-01 13:49:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2023-04-01 13:49:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2023-04-01 13:49:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-01 13:49:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-04-01 13:49:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2023-04-01 13:49:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-04-01 13:49:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 13:49:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-01 13:49:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-01 13:49:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-01 13:49:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-04-01 13:49:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 13:49:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 13:49:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 13:49:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 13:49:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 13:49:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure fls64 [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure panic [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-01 13:49:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_10 [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_20 [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 13:49:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_14 [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_19 [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_9 [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2023-04-01 13:49:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_osst_tape [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_osst_int_mutex [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_osst_int_mutex [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2023-04-01 13:49:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_driver_9 [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_8 [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_25 [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_26 [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-04-01 13:49:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-04-01 13:49:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_request [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_put_request [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure blk_get_request [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_set_block_pc [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_user [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_unmap_user [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_kern [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq_nowait [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_normalize_sense [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_print_sense [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_get [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_set_medium_removal [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_register_driver [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sense_desc_find [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_get_sense_info_fld [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_ioctl_block_when_processing_errors [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_ioctl [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure new_tape_buffer [2023-04-01 13:49:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure enlarge_buffer [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure from_buffer [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_zero_buffer_tail [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_probe [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_remove [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_analyze_sense [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_end_async [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_allocate_request [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_execute [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 13:49:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_for_medium [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_sector [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_sector [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_fast [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2023-04-01 13:49:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2023-04-01 13:49:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filler [2023-04-01 13:49:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2023-04-01 13:49:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2023-04-01 13:49:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2023-04-01 13:49:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2023-04-01 13:49:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure osst_analyze_headers [2023-04-01 13:49:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_position [2023-04-01 13:49:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure osst_parse_firmware_rev [2023-04-01 13:49:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure osst_configure_onstream [2023-04-01 13:49:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2023-04-01 13:49:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2023-04-01 13:49:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2023-04-01 13:49:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2023-04-01 13:49:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2023-04-01 13:49:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure reset_state [2023-04-01 13:49:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2023-04-01 13:49:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read [2023-04-01 13:49:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2023-04-01 13:49:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_options [2023-04-01 13:49:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure __os_scsi_tape_open [2023-04-01 13:49:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_open [2023-04-01 13:49:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2023-04-01 13:49:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_close [2023-04-01 13:49:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure osst_ioctl [2023-04-01 13:49:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure osst_compat_ioctl [2023-04-01 13:49:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure validate_options [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure osst_supports [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure osst_version_show [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure osst_create_sysfs_files [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure osst_remove_sysfs_files [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure osst_adr_rev_show [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure osst_linux_media_version_show [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure osst_capacity_show [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure osst_first_data_ppos_show [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure osst_eod_frame_ppos_show [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure osst_filemark_cnt_show [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_init [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure init_osst [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure exit_osst [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 13:49:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2023-04-01 13:49:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_osst_tape [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_osst_tape [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_osst_tape [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_osst_tape [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_osst_tape [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock_of_osst_tape [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock_of_osst_tape [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock_of_osst_tape [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock_of_osst_tape [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_osst_int_mutex [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_osst_int_mutex [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_osst_int_mutex [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_osst_int_mutex [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_osst_int_mutex [2023-04-01 13:49:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_osst_int_mutex [2023-04-01 13:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_osst_int_mutex [2023-04-01 13:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_osst_int_mutex [2023-04-01 13:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_osst_int_mutex [2023-04-01 13:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-01 13:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-01 13:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-01 13:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 13:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 13:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 13:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 13:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 13:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-01 13:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-01 13:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-01 13:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-01 13:49:14,997 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 13:49:15,002 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 13:49:15,272 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-01 13:49:24,926 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 13:49:28,799 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 13:49:28,799 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-04-01 13:49:28,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:49:28 BoogieIcfgContainer [2023-04-01 13:49:28,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 13:49:28,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 13:49:28,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 13:49:28,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 13:49:28,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 01:49:11" (1/3) ... [2023-04-01 13:49:28,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@238c319d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:49:28, skipping insertion in model container [2023-04-01 13:49:28,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:49:13" (2/3) ... [2023-04-01 13:49:28,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@238c319d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:49:28, skipping insertion in model container [2023-04-01 13:49:28,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:49:28" (3/3) ... [2023-04-01 13:49:28,809 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-04-01 13:49:28,822 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 13:49:28,822 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 13:49:28,898 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 13:49:28,904 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@35374e28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 13:49:28,904 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 13:49:28,915 INFO L276 IsEmpty]: Start isEmpty. Operand has 3275 states, 2063 states have (on average 1.3383422200678623) internal successors, (2761), 2108 states have internal predecessors, (2761), 933 states have call successors, (933), 221 states have call predecessors, (933), 220 states have return successors, (921), 918 states have call predecessors, (921), 921 states have call successors, (921) [2023-04-01 13:49:28,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2023-04-01 13:49:28,931 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:49:28,932 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 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, 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] [2023-04-01 13:49:28,932 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:49:28,936 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:49:28,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1872214715, now seen corresponding path program 1 times [2023-04-01 13:49:28,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:49:28,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736085759] [2023-04-01 13:49:28,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:49:28,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:49:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:49:29,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3196 trivial. 0 not checked. [2023-04-01 13:49:29,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:49:29,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736085759] [2023-04-01 13:49:29,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736085759] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:49:29,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:49:29,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 13:49:29,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893843101] [2023-04-01 13:49:29,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:49:29,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 13:49:29,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:49:29,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 13:49:29,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 13:49:29,856 INFO L87 Difference]: Start difference. First operand has 3275 states, 2063 states have (on average 1.3383422200678623) internal successors, (2761), 2108 states have internal predecessors, (2761), 933 states have call successors, (933), 221 states have call predecessors, (933), 220 states have return successors, (921), 918 states have call predecessors, (921), 921 states have call successors, (921) Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-04-01 13:49:33,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-01 13:49:34,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-01 13:49:36,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 13:49:37,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 13:49:39,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:49:39,669 INFO L93 Difference]: Finished difference Result 6526 states and 9443 transitions. [2023-04-01 13:49:39,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 13:49:39,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 403 [2023-04-01 13:49:39,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:49:39,714 INFO L225 Difference]: With dead ends: 6526 [2023-04-01 13:49:39,714 INFO L226 Difference]: Without dead ends: 3503 [2023-04-01 13:49:39,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 13:49:39,738 INFO L413 NwaCegarLoop]: 4001 mSDtfsCounter, 778 mSDsluCounter, 3826 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 7827 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-04-01 13:49:39,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [778 Valid, 7827 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 9.5s Time] [2023-04-01 13:49:39,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3503 states. [2023-04-01 13:49:39,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3503 to 3470. [2023-04-01 13:49:39,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3470 states, 2227 states have (on average 1.3426133812303547) internal successors, (2990), 2257 states have internal predecessors, (2990), 977 states have call successors, (977), 269 states have call predecessors, (977), 265 states have return successors, (968), 960 states have call predecessors, (968), 966 states have call successors, (968) [2023-04-01 13:49:39,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3470 states to 3470 states and 4935 transitions. [2023-04-01 13:49:39,943 INFO L78 Accepts]: Start accepts. Automaton has 3470 states and 4935 transitions. Word has length 403 [2023-04-01 13:49:39,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:49:39,946 INFO L495 AbstractCegarLoop]: Abstraction has 3470 states and 4935 transitions. [2023-04-01 13:49:39,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-04-01 13:49:39,946 INFO L276 IsEmpty]: Start isEmpty. Operand 3470 states and 4935 transitions. [2023-04-01 13:49:39,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2023-04-01 13:49:39,957 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:49:39,957 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 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, 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] [2023-04-01 13:49:39,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 13:49:39,958 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:49:39,959 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:49:39,959 INFO L85 PathProgramCache]: Analyzing trace with hash 707513539, now seen corresponding path program 1 times [2023-04-01 13:49:39,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:49:39,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147179277] [2023-04-01 13:49:39,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:49:39,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:49:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:49:40,454 INFO L134 CoverageAnalysis]: Checked inductivity of 3196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3196 trivial. 0 not checked. [2023-04-01 13:49:40,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:49:40,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147179277] [2023-04-01 13:49:40,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147179277] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:49:40,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:49:40,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 13:49:40,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585157408] [2023-04-01 13:49:40,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:49:40,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 13:49:40,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:49:40,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 13:49:40,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 13:49:40,458 INFO L87 Difference]: Start difference. First operand 3470 states and 4935 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-04-01 13:49:44,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-01 13:49:46,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-01 13:49:48,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-01 13:49:50,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 13:49:53,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:49:53,474 INFO L93 Difference]: Finished difference Result 10063 states and 14342 transitions. [2023-04-01 13:49:53,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 13:49:53,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 433 [2023-04-01 13:49:53,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:49:53,514 INFO L225 Difference]: With dead ends: 10063 [2023-04-01 13:49:53,514 INFO L226 Difference]: Without dead ends: 6674 [2023-04-01 13:49:53,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 13:49:53,533 INFO L413 NwaCegarLoop]: 4230 mSDtfsCounter, 4162 mSDsluCounter, 3872 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4162 SdHoareTripleChecker+Valid, 8102 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2023-04-01 13:49:53,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4162 Valid, 8102 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 820 Invalid, 4 Unknown, 0 Unchecked, 12.7s Time] [2023-04-01 13:49:53,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2023-04-01 13:49:53,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 6656. [2023-04-01 13:49:53,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6656 states, 4312 states have (on average 1.3478664192949907) internal successors, (5812), 4359 states have internal predecessors, (5812), 1847 states have call successors, (1847), 499 states have call predecessors, (1847), 496 states have return successors, (1838), 1828 states have call predecessors, (1838), 1836 states have call successors, (1838) [2023-04-01 13:49:53,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6656 states to 6656 states and 9497 transitions. [2023-04-01 13:49:53,769 INFO L78 Accepts]: Start accepts. Automaton has 6656 states and 9497 transitions. Word has length 433 [2023-04-01 13:49:53,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:49:53,773 INFO L495 AbstractCegarLoop]: Abstraction has 6656 states and 9497 transitions. [2023-04-01 13:49:53,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-04-01 13:49:53,782 INFO L276 IsEmpty]: Start isEmpty. Operand 6656 states and 9497 transitions. [2023-04-01 13:49:53,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2023-04-01 13:49:53,787 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:49:53,787 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 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, 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] [2023-04-01 13:49:53,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 13:49:53,788 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:49:53,788 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:49:53,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1193338457, now seen corresponding path program 1 times [2023-04-01 13:49:53,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:49:53,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818782037] [2023-04-01 13:49:53,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:49:53,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:49:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:49:54,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3196 trivial. 0 not checked. [2023-04-01 13:49:54,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:49:54,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818782037] [2023-04-01 13:49:54,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818782037] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:49:54,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:49:54,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 13:49:54,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525757532] [2023-04-01 13:49:54,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:49:54,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 13:49:54,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:49:54,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 13:49:54,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:49:54,396 INFO L87 Difference]: Start difference. First operand 6656 states and 9497 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (49), 2 states have call predecessors, (49), 3 states have return successors, (46), 3 states have call predecessors, (46), 1 states have call successors, (46) [2023-04-01 13:49:57,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-01 13:49:59,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-01 13:50:01,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-01 13:50:03,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-01 13:50:06,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 13:50:09,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []