/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 08:25:43,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 08:25:43,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 08:25:43,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 08:25:43,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 08:25:43,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 08:25:43,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 08:25:43,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 08:25:43,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 08:25:43,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 08:25:43,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 08:25:43,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 08:25:43,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 08:25:43,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 08:25:43,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 08:25:43,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 08:25:43,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 08:25:43,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 08:25:43,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 08:25:43,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 08:25:43,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 08:25:43,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 08:25:43,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 08:25:43,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 08:25:43,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 08:25:43,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 08:25:43,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 08:25:43,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 08:25:43,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 08:25:43,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 08:25:43,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 08:25:43,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 08:25:43,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 08:25:43,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 08:25:43,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 08:25:43,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 08:25:43,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 08:25:43,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 08:25:43,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 08:25:43,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 08:25:43,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 08:25:43,541 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 08:25:43,569 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 08:25:43,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 08:25:43,570 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 08:25:43,570 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 08:25:43,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 08:25:43,571 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 08:25:43,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 08:25:43,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 08:25:43,572 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 08:25:43,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 08:25:43,572 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 08:25:43,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 08:25:43,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 08:25:43,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 08:25:43,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 08:25:43,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 08:25:43,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 08:25:43,573 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 08:25:43,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 08:25:43,573 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 08:25:43,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 08:25:43,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 08:25:43,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 08:25:43,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 08:25:43,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 08:25:43,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 08:25:43,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 08:25:43,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 08:25:43,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 08:25:43,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 08:25:43,574 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 08:25:43,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 08:25:43,574 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 08:25:43,574 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 08:25:43,574 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 08:25:43,575 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 08:25:43,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 08:25:43,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 08:25:43,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 08:25:43,781 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 08:25:43,781 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 08:25:43,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2023-04-02 08:25:44,889 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 08:25:45,263 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 08:25:45,263 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2023-04-02 08:25:45,297 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a7ecc34a/df719d46293d4df3be8bfc596fd07a87/FLAGaa55278a1 [2023-04-02 08:25:45,309 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a7ecc34a/df719d46293d4df3be8bfc596fd07a87 [2023-04-02 08:25:45,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 08:25:45,312 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 08:25:45,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 08:25:45,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 08:25:45,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 08:25:45,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:25:45" (1/1) ... [2023-04-02 08:25:45,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@160ec7b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:25:45, skipping insertion in model container [2023-04-02 08:25:45,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:25:45" (1/1) ... [2023-04-02 08:25:45,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 08:25:45,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 08:25:46,930 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-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i[258672,258685] [2023-04-02 08:25:47,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 08:25:47,040 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 08:25:47,313 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-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i[258672,258685] [2023-04-02 08:25:47,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 08:25:47,477 WARN L667 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 08:25:47,478 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 08:25:47,478 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 08:25:47,483 INFO L208 MainTranslator]: Completed translation [2023-04-02 08:25:47,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:25:47 WrapperNode [2023-04-02 08:25:47,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 08:25:47,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 08:25:47,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 08:25:47,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 08:25:47,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:25:47" (1/1) ... [2023-04-02 08:25:47,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:25:47" (1/1) ... [2023-04-02 08:25:47,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:25:47" (1/1) ... [2023-04-02 08:25:47,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:25:47" (1/1) ... [2023-04-02 08:25:47,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:25:47" (1/1) ... [2023-04-02 08:25:47,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:25:47" (1/1) ... [2023-04-02 08:25:47,786 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:25:47" (1/1) ... [2023-04-02 08:25:47,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:25:47" (1/1) ... [2023-04-02 08:25:47,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 08:25:47,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 08:25:47,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 08:25:47,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 08:25:47,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:25:47" (1/1) ... [2023-04-02 08:25:47,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 08:25:47,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:25:47,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 08:25:47,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 08:25:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 08:25:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 08:25:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-02 08:25:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-02 08:25:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-04-02 08:25:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-02 08:25:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-04-02 08:25:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-04-02 08:25:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-02 08:25:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-04-02 08:25:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-04-02 08:25:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-04-02 08:25:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 08:25:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-02 08:25:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-02 08:25:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-04-02 08:25:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-02 08:25:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-04-02 08:25:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2023-04-02 08:25:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-04-02 08:25:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-02 08:25:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-02 08:25:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-02 08:25:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-04-02 08:25:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-04-02 08:25:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-04-02 08:25:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-04-02 08:25:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-04-02 08:25:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-04-02 08:25:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-02 08:25:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 08:25:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-02 08:25:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 08:25:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-02 08:25:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-02 08:25:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-02 08:25:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2023-04-02 08:25:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-04-02 08:25:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2023-04-02 08:25:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-04-02 08:25:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-04-02 08:25:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2023-04-02 08:25:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2023-04-02 08:25:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2023-04-02 08:25:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2023-04-02 08:25:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-04-02 08:25:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-02 08:25:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2023-04-02 08:25:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure device_enable_async_suspend [2023-04-02 08:25:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-04-02 08:25:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-04-02 08:25:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-02 08:25:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-04-02 08:25:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-04-02 08:25:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-04-02 08:25:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-02 08:25:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2023-04-02 08:25:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_int_must_check_helper [2023-04-02 08:25:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_init [2023-04-02 08:25:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_exit [2023-04-02 08:25:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_disconnect [2023-04-02 08:25:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_get_by_index [2023-04-02 08:25:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure get_free_serial [2023-04-02 08:25:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure return_serial [2023-04-02 08:25:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2023-04-02 08:25:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2023-04-02 08:25:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2023-04-02 08:25:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2023-04-02 08:25:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2023-04-02 08:25:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2023-04-02 08:25:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2023-04-02 08:25:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_close [2023-04-02 08:25:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2023-04-02 08:25:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2023-04-02 08:25:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2023-04-02 08:25:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2023-04-02 08:25:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2023-04-02 08:25:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2023-04-02 08:25:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2023-04-02 08:25:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2023-04-02 08:25:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2023-04-02 08:25:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_show [2023-04-02 08:25:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2023-04-02 08:25:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2023-04-02 08:25:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2023-04-02 08:25:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2023-04-02 08:25:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2023-04-02 08:25:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_work [2023-04-02 08:25:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2023-04-02 08:25:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_unpoison_urbs [2023-04-02 08:25:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_release [2023-04-02 08:25:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure create_serial [2023-04-02 08:25:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure match_dynamic_id [2023-04-02 08:25:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2023-04-02 08:25:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure search_serial_device [2023-04-02 08:25:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2023-04-02 08:25:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2023-04-02 08:25:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2023-04-02 08:25:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2023-04-02 08:25:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2023-04-02 08:25:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2023-04-02 08:25:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2023-04-02 08:25:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2023-04-02 08:25:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_init [2023-04-02 08:25:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_exit [2023-04-02 08:25:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_operations_init [2023-04-02 08:25:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2023-04-02 08:25:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2023-04-02 08:25:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register_drivers [2023-04-02 08:25:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2023-04-02 08:25:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 08:25:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2023-04-02 08:25:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2023-04-02 08:25:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2023-04-02 08:25:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2023-04-02 08:25:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2023-04-02 08:25:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2023-04-02 08:25:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2023-04-02 08:25:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2023-04-02 08:25:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2023-04-02 08:25:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2023-04-02 08:25:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2023-04-02 08:25:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2023-04-02 08:25:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_13 [2023-04-02 08:25:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2023-04-02 08:25:47,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2023-04-02 08:25:47,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2023-04-02 08:25:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2023-04-02 08:25:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2023-04-02 08:25:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_19 [2023-04-02 08:25:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_20 [2023-04-02 08:25:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_21 [2023-04-02 08:25:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2023-04-02 08:25:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2023-04-02 08:25:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2023-04-02 08:25:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2023-04-02 08:25:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2023-04-02 08:25:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2023-04-02 08:25:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_28 [2023-04-02 08:25:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2023-04-02 08:25:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_33 [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_34 [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_35 [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit_lock [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-04-02 08:25:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2023-04-02 08:25:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2023-04-02 08:25:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_register [2023-04-02 08:25:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_deregister [2023-04-02 08:25:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_open [2023-04-02 08:25:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_close [2023-04-02 08:25:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_prepare_write_buffer [2023-04-02 08:25:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2023-04-02 08:25:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2023-04-02 08:25:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_room [2023-04-02 08:25:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_chars_in_buffer [2023-04-02 08:25:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2023-04-02 08:25:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2023-04-02 08:25:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_process_read_urb [2023-04-02 08:25:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2023-04-02 08:25:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_bulk_callback [2023-04-02 08:25:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2023-04-02 08:25:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2023-04-02 08:25:47,908 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_msr_changed [2023-04-02 08:25:47,908 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2023-04-02 08:25:47,908 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2023-04-02 08:25:47,908 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_sysrq_char [2023-04-02 08:25:47,908 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_break [2023-04-02 08:25:47,908 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_dcd_change [2023-04-02 08:25:47,908 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2023-04-02 08:25:47,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main1_sequence_infinite_withcheck_stateful [2023-04-02 08:25:47,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_71 [2023-04-02 08:25:47,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_72 [2023-04-02 08:25:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_73 [2023-04-02 08:25:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_74 [2023-04-02 08:25:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_75 [2023-04-02 08:25:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2023-04-02 08:25:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure show_port_number [2023-04-02 08:25:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2023-04-02 08:25:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2023-04-02 08:25:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure store_new_id [2023-04-02 08:25:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dynids [2023-04-02 08:25:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dynids [2023-04-02 08:25:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_bus_register [2023-04-02 08:25:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_bus_deregister [2023-04-02 08:25:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main2_sequence_infinite_withcheck_stateful [2023-04-02 08:25:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_81 [2023-04-02 08:25:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_82 [2023-04-02 08:25:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_83 [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_84 [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_85 [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_disc_mutex_of_usb_serial [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_disc_mutex_of_usb_serial [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_disc_mutex_of_usb_serial [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_disc_mutex_of_usb_serial [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_disc_mutex_of_usb_serial [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-04-02 08:25:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_table_lock [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_table_lock [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_table_lock [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_table_lock [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_table_lock [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_alloc [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_free [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in_r [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_max_r [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out_r [2023-04-02 08:25:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-02 08:25:47,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-02 08:25:47,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-02 08:25:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __tty_alloc_driver [2023-04-02 08:25:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-02 08:25:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-02 08:25:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-02 08:25:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-02 08:25:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-02 08:25:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-02 08:25:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-02 08:25:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-02 08:25:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_register [2023-04-02 08:25:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2023-04-02 08:25:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_register [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_sysrq [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-04-02 08:25:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_flags [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_close [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_hangup [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_init [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_install [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_open [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2023-04-02 08:25:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_device [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_driver [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_copy_hw [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_vhangup [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_id [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_show_dynids [2023-04-02 08:25:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2023-04-02 08:25:47,919 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-04-02 08:25:47,919 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2023-04-02 08:25:47,919 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-04-02 08:25:47,919 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-02 08:25:47,919 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 08:25:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 08:25:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 08:25:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 08:25:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-02 08:25:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_20 [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_28 [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_33 [2023-04-02 08:25:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_35 [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_13 [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_19 [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_21 [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_34 [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2023-04-02 08:25:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 08:25:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure __tty_alloc_driver [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure tty_vhangup [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_copy_hw [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_init [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_hangup [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_close [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_install [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_open [2023-04-02 08:25:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2023-04-02 08:25:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-04-02 08:25:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-04-02 08:25:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2023-04-02 08:25:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2023-04-02 08:25:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2023-04-02 08:25:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-04-02 08:25:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-04-02 08:25:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-04-02 08:25:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-04-02 08:25:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 08:25:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2023-04-02 08:25:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-04-02 08:25:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-04-02 08:25:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2023-04-02 08:25:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2023-04-02 08:25:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2023-04-02 08:25:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2023-04-02 08:25:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-04-02 08:25:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure bus_register [2023-04-02 08:25:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2023-04-02 08:25:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-02 08:25:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2023-04-02 08:25:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2023-04-02 08:25:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure device_enable_async_suspend [2023-04-02 08:25:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2023-04-02 08:25:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2023-04-02 08:25:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2023-04-02 08:25:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-02 08:25:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-02 08:25:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2023-04-02 08:25:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2023-04-02 08:25:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-02 08:25:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-02 08:25:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-04-02 08:25:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-04-02 08:25:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2023-04-02 08:25:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2023-04-02 08:25:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-02 08:25:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2023-04-02 08:25:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2023-04-02 08:25:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2023-04-02 08:25:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-04-02 08:25:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_id [2023-04-02 08:25:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2023-04-02 08:25:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-04-02 08:25:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-02 08:25:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-02 08:25:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2023-04-02 08:25:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-04-02 08:25:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-04-02 08:25:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-04-02 08:25:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-04-02 08:25:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2023-04-02 08:25:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2023-04-02 08:25:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-02 08:25:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2023-04-02 08:25:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_int_must_check_helper [2023-04-02 08:25:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_alloc [2023-04-02 08:25:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2023-04-02 08:25:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register_drivers [2023-04-02 08:25:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2023-04-02 08:25:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2023-04-02 08:25:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2023-04-02 08:25:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2023-04-02 08:25:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_init [2023-04-02 08:25:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_exit [2023-04-02 08:25:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_disconnect [2023-04-02 08:25:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_get_by_index [2023-04-02 08:25:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2023-04-02 08:25:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_open [2023-04-02 08:25:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2023-04-02 08:25:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_close [2023-04-02 08:25:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2023-04-02 08:25:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_room [2023-04-02 08:25:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_chars_in_buffer [2023-04-02 08:25:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2023-04-02 08:25:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_bulk_callback [2023-04-02 08:25:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_register [2023-04-02 08:25:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_deregister [2023-04-02 08:25:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_process_read_urb [2023-04-02 08:25:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_prepare_write_buffer [2023-04-02 08:25:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_bus_register [2023-04-02 08:25:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_bus_deregister [2023-04-02 08:25:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure get_free_serial [2023-04-02 08:25:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 08:25:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 08:25:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure return_serial [2023-04-02 08:25:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2023-04-02 08:25:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2023-04-02 08:25:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2023-04-02 08:25:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-02 08:25:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2023-04-02 08:25:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2023-04-02 08:25:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2023-04-02 08:25:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure serial_close [2023-04-02 08:25:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2023-04-02 08:25:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2023-04-02 08:25:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-04-02 08:25:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2023-04-02 08:25:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-02 08:25:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2023-04-02 08:25:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2023-04-02 08:25:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2023-04-02 08:25:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2023-04-02 08:25:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-04-02 08:25:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-04-02 08:25:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2023-04-02 08:25:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-02 08:25:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2023-04-02 08:25:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-04-02 08:25:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_show [2023-04-02 08:25:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2023-04-02 08:25:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2023-04-02 08:25:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2023-04-02 08:25:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2023-04-02 08:25:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_work [2023-04-02 08:25:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2023-04-02 08:25:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_unpoison_urbs [2023-04-02 08:25:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_release [2023-04-02 08:25:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure create_serial [2023-04-02 08:25:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure match_dynamic_id [2023-04-02 08:25:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2023-04-02 08:25:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure search_serial_device [2023-04-02 08:25:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2023-04-02 08:25:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2023-04-02 08:25:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2023-04-02 08:25:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2023-04-02 08:25:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-04-02 08:25:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2023-04-02 08:25:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2023-04-02 08:25:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_init [2023-04-02 08:25:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_exit [2023-04-02 08:25:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_operations_init [2023-04-02 08:25:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2023-04-02 08:25:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2023-04-02 08:25:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 08:25:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-04-02 08:25:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2023-04-02 08:25:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 08:25:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-04-02 08:25:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 08:25:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-02 08:25:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2023-04-02 08:25:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-04-02 08:25:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit_lock [2023-04-02 08:25:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-04-02 08:25:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-02 08:25:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-04-02 08:25:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2023-04-02 08:25:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-02 08:25:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-02 08:25:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_74 [2023-04-02 08:25:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_72 [2023-04-02 08:25:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_75 [2023-04-02 08:25:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_71 [2023-04-02 08:25:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_73 [2023-04-02 08:25:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-04-02 08:25:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2023-04-02 08:25:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-02 08:25:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-02 08:25:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-02 08:25:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-02 08:25:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-02 08:25:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-02 08:25:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-02 08:25:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-04-02 08:25:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-02 08:25:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2023-04-02 08:25:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure handle_sysrq [2023-04-02 08:25:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2023-04-02 08:25:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_flags [2023-04-02 08:25:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2023-04-02 08:25:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2023-04-02 08:25:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in_r [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_max_r [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_sysrq_char [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_break [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_dcd_change [2023-04-02 08:25:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_msr_changed [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main1_sequence_infinite_withcheck_stateful [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_84 [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_82 [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_85 [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_81 [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_83 [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_device [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_show_dynids [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2023-04-02 08:25:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure show_port_number [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure store_new_id [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure show_dynids [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure free_dynids [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main2_sequence_infinite_withcheck_stateful [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_disc_mutex_of_usb_serial [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_disc_mutex_of_usb_serial [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_disc_mutex_of_usb_serial [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_disc_mutex_of_usb_serial [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_disc_mutex_of_usb_serial [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-02 08:25:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-02 08:25:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_table_lock [2023-04-02 08:25:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_table_lock [2023-04-02 08:25:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_table_lock [2023-04-02 08:25:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_table_lock [2023-04-02 08:25:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_table_lock [2023-04-02 08:25:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-02 08:25:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 08:25:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-02 08:25:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-02 08:25:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 08:25:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 08:25:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 08:25:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 08:25:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 08:25:48,722 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 08:25:48,728 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 08:25:57,278 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 08:25:57,297 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 08:25:57,297 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-02 08:25:57,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:25:57 BoogieIcfgContainer [2023-04-02 08:25:57,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 08:25:57,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 08:25:57,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 08:25:57,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 08:25:57,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 08:25:45" (1/3) ... [2023-04-02 08:25:57,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f3c07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:25:57, skipping insertion in model container [2023-04-02 08:25:57,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:25:47" (2/3) ... [2023-04-02 08:25:57,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f3c07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:25:57, skipping insertion in model container [2023-04-02 08:25:57,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:25:57" (3/3) ... [2023-04-02 08:25:57,309 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2023-04-02 08:25:57,320 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 08:25:57,320 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 08:25:57,396 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 08:25:57,402 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@55ca0247, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 08:25:57,402 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 08:25:57,413 INFO L276 IsEmpty]: Start isEmpty. Operand has 2897 states, 1815 states have (on average 1.2573002754820937) internal successors, (2282), 1873 states have internal predecessors, (2282), 746 states have call successors, (746), 294 states have call predecessors, (746), 294 states have return successors, (746), 724 states have call predecessors, (746), 746 states have call successors, (746) [2023-04-02 08:25:57,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-02 08:25:57,420 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:25:57,421 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:25:57,421 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:25:57,429 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:25:57,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1886945317, now seen corresponding path program 1 times [2023-04-02 08:25:57,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:25:57,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487529288] [2023-04-02 08:25:57,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:25:57,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:25:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:58,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:25:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:58,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:25:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:58,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:25:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:58,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 08:25:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:58,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:58,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:58,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:58,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:25:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:58,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:58,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 08:25:58,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:25:58,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487529288] [2023-04-02 08:25:58,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487529288] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:25:58,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:25:58,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-04-02 08:25:58,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417203585] [2023-04-02 08:25:58,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:25:58,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-02 08:25:58,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:25:58,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-02 08:25:58,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-04-02 08:25:58,945 INFO L87 Difference]: Start difference. First operand has 2897 states, 1815 states have (on average 1.2573002754820937) internal successors, (2282), 1873 states have internal predecessors, (2282), 746 states have call successors, (746), 294 states have call predecessors, (746), 294 states have return successors, (746), 724 states have call predecessors, (746), 746 states have call successors, (746) Second operand has 15 states, 15 states have (on average 2.0) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (9), 6 states have call predecessors, (9), 1 states have call successors, (9) [2023-04-02 08:26:02,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:04,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:06,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:08,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:10,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:12,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:14,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:16,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:18,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:20,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:22,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:24,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:45,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:47,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:49,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:51,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:53,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:55,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:57,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:59,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:27:01,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:27:03,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:27:05,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:27:07,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:27:09,827 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 [] [2023-04-02 08:27:25,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:27:25,155 INFO L93 Difference]: Finished difference Result 6034 states and 8395 transitions. [2023-04-02 08:27:25,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 08:27:25,157 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (9), 6 states have call predecessors, (9), 1 states have call successors, (9) Word has length 51 [2023-04-02 08:27:25,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:27:25,186 INFO L225 Difference]: With dead ends: 6034 [2023-04-02 08:27:25,186 INFO L226 Difference]: Without dead ends: 3447 [2023-04-02 08:27:25,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=133, Invalid=623, Unknown=0, NotChecked=0, Total=756 [2023-04-02 08:27:25,203 INFO L413 NwaCegarLoop]: 892 mSDtfsCounter, 5270 mSDsluCounter, 6916 mSDsCounter, 0 mSdLazyCounter, 31016 mSolverCounterSat, 4233 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 80.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5574 SdHoareTripleChecker+Valid, 7808 SdHoareTripleChecker+Invalid, 35274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4233 IncrementalHoareTripleChecker+Valid, 31016 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.5s IncrementalHoareTripleChecker+Time [2023-04-02 08:27:25,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5574 Valid, 7808 Invalid, 35274 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4233 Valid, 31016 Invalid, 25 Unknown, 0 Unchecked, 83.5s Time] [2023-04-02 08:27:25,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3447 states. [2023-04-02 08:27:25,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3447 to 2589. [2023-04-02 08:27:25,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2589 states, 1614 states have (on average 1.244733581164808) internal successors, (2009), 1662 states have internal predecessors, (2009), 693 states have call successors, (693), 284 states have call predecessors, (693), 281 states have return successors, (683), 663 states have call predecessors, (683), 683 states have call successors, (683) [2023-04-02 08:27:25,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 2589 states and 3385 transitions. [2023-04-02 08:27:25,592 INFO L78 Accepts]: Start accepts. Automaton has 2589 states and 3385 transitions. Word has length 51 [2023-04-02 08:27:25,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:27:25,593 INFO L495 AbstractCegarLoop]: Abstraction has 2589 states and 3385 transitions. [2023-04-02 08:27:25,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (9), 6 states have call predecessors, (9), 1 states have call successors, (9) [2023-04-02 08:27:25,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states and 3385 transitions. [2023-04-02 08:27:25,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-02 08:27:25,596 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:27:25,596 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:27:25,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 08:27:25,596 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:27:25,596 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:27:25,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1593542310, now seen corresponding path program 1 times [2023-04-02 08:27:25,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:27:25,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55099995] [2023-04-02 08:27:25,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:27:25,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:27:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:25,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:27:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:25,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:27:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:25,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:27:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:25,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 08:27:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:26,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:26,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:26,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:26,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:27:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:26,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:26,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 08:27:26,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:27:26,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55099995] [2023-04-02 08:27:26,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55099995] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:27:26,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:27:26,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 08:27:26,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481720551] [2023-04-02 08:27:26,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:27:26,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 08:27:26,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:27:26,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 08:27:26,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-02 08:27:26,076 INFO L87 Difference]: Start difference. First operand 2589 states and 3385 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (12), 7 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-02 08:27:28,712 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 [] [2023-04-02 08:27:30,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:27:32,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:27:44,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:27:46,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:27:48,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:27:50,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:28:07,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:28:07,698 INFO L93 Difference]: Finished difference Result 8479 states and 11677 transitions. [2023-04-02 08:28:07,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-02 08:28:07,698 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (12), 7 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 51 [2023-04-02 08:28:07,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:28:07,724 INFO L225 Difference]: With dead ends: 8479 [2023-04-02 08:28:07,724 INFO L226 Difference]: Without dead ends: 6141 [2023-04-02 08:28:07,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-04-02 08:28:07,736 INFO L413 NwaCegarLoop]: 821 mSDtfsCounter, 9780 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 10367 mSolverCounterSat, 7224 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10221 SdHoareTripleChecker+Valid, 2023 SdHoareTripleChecker+Invalid, 17598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7224 IncrementalHoareTripleChecker+Valid, 10367 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.9s IncrementalHoareTripleChecker+Time [2023-04-02 08:28:07,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10221 Valid, 2023 Invalid, 17598 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7224 Valid, 10367 Invalid, 7 Unknown, 0 Unchecked, 39.9s Time] [2023-04-02 08:28:07,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6141 states. [2023-04-02 08:28:08,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6141 to 4909. [2023-04-02 08:28:08,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4909 states, 3086 states have (on average 1.2394685677252106) internal successors, (3825), 3168 states have internal predecessors, (3825), 1279 states have call successors, (1279), 530 states have call predecessors, (1279), 543 states have return successors, (1390), 1242 states have call predecessors, (1390), 1256 states have call successors, (1390) [2023-04-02 08:28:08,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4909 states to 4909 states and 6494 transitions. [2023-04-02 08:28:08,403 INFO L78 Accepts]: Start accepts. Automaton has 4909 states and 6494 transitions. Word has length 51 [2023-04-02 08:28:08,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:28:08,405 INFO L495 AbstractCegarLoop]: Abstraction has 4909 states and 6494 transitions. [2023-04-02 08:28:08,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (12), 7 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-02 08:28:08,405 INFO L276 IsEmpty]: Start isEmpty. Operand 4909 states and 6494 transitions. [2023-04-02 08:28:08,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-02 08:28:08,408 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:28:08,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:28:08,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 08:28:08,408 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:28:08,408 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:28:08,409 INFO L85 PathProgramCache]: Analyzing trace with hash -2141335015, now seen corresponding path program 1 times [2023-04-02 08:28:08,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:28:08,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342471850] [2023-04-02 08:28:08,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:28:08,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:28:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:28:08,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:28:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:28:08,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:28:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:28:08,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:28:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:28:08,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 08:28:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:28:08,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:28:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:28:08,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:28:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:28:08,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:28:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:28:08,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:28:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:28:08,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:28:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:28:08,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 08:28:08,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:28:08,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342471850] [2023-04-02 08:28:08,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342471850] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:28:08,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:28:08,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 08:28:08,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553239437] [2023-04-02 08:28:08,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:28:08,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 08:28:08,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:28:08,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 08:28:08,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-02 08:28:08,930 INFO L87 Difference]: Start difference. First operand 4909 states and 6494 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (12), 7 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-02 08:28:11,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:28:13,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:28:15,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:28:28,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:28:30,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:28:32,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:28:34,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:28:46,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:28:46,473 INFO L93 Difference]: Finished difference Result 6224 states and 8625 transitions. [2023-04-02 08:28:46,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 08:28:46,474 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (12), 7 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 52 [2023-04-02 08:28:46,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:28:46,501 INFO L225 Difference]: With dead ends: 6224 [2023-04-02 08:28:46,501 INFO L226 Difference]: Without dead ends: 6221 [2023-04-02 08:28:46,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2023-04-02 08:28:46,504 INFO L413 NwaCegarLoop]: 746 mSDtfsCounter, 7055 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 7953 mSolverCounterSat, 4951 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7318 SdHoareTripleChecker+Valid, 1411 SdHoareTripleChecker+Invalid, 12911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4951 IncrementalHoareTripleChecker+Valid, 7953 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.9s IncrementalHoareTripleChecker+Time [2023-04-02 08:28:46,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7318 Valid, 1411 Invalid, 12911 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4951 Valid, 7953 Invalid, 7 Unknown, 0 Unchecked, 35.9s Time] [2023-04-02 08:28:46,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6221 states. [2023-04-02 08:28:47,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6221 to 4908. [2023-04-02 08:28:47,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4908 states, 3086 states have (on average 1.2391445236552172) internal successors, (3824), 3167 states have internal predecessors, (3824), 1278 states have call successors, (1278), 530 states have call predecessors, (1278), 543 states have return successors, (1390), 1242 states have call predecessors, (1390), 1256 states have call successors, (1390) [2023-04-02 08:28:47,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4908 states to 4908 states and 6492 transitions. [2023-04-02 08:28:47,156 INFO L78 Accepts]: Start accepts. Automaton has 4908 states and 6492 transitions. Word has length 52 [2023-04-02 08:28:47,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:28:47,156 INFO L495 AbstractCegarLoop]: Abstraction has 4908 states and 6492 transitions. [2023-04-02 08:28:47,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (12), 7 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-02 08:28:47,157 INFO L276 IsEmpty]: Start isEmpty. Operand 4908 states and 6492 transitions. [2023-04-02 08:28:47,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-02 08:28:47,157 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:28:47,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:28:47,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 08:28:47,158 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:28:47,158 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:28:47,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1958410231, now seen corresponding path program 1 times [2023-04-02 08:28:47,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:28:47,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424157385] [2023-04-02 08:28:47,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:28:47,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:28:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:28:47,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:28:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:28:47,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:28:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:28:47,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:28:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:28:47,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 08:28:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:28:47,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:28:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:28:47,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:28:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:28:47,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:28:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:28:47,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:28:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:28:47,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:28:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:28:47,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 08:28:47,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:28:47,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424157385] [2023-04-02 08:28:47,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424157385] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:28:47,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:28:47,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 08:28:47,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683342599] [2023-04-02 08:28:47,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:28:47,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 08:28:47,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:28:47,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 08:28:47,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-02 08:28:47,551 INFO L87 Difference]: Start difference. First operand 4908 states and 6492 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (12), 7 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-02 08:28:50,234 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 [] [2023-04-02 08:28:52,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:28:54,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:29:05,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:29:07,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:29:09,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:29:11,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:29:24,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:29:24,638 INFO L93 Difference]: Finished difference Result 6223 states and 8623 transitions. [2023-04-02 08:29:24,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 08:29:24,640 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (12), 7 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 53 [2023-04-02 08:29:24,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:29:24,665 INFO L225 Difference]: With dead ends: 6223 [2023-04-02 08:29:24,665 INFO L226 Difference]: Without dead ends: 6220 [2023-04-02 08:29:24,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2023-04-02 08:29:24,669 INFO L413 NwaCegarLoop]: 728 mSDtfsCounter, 6000 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 8782 mSolverCounterSat, 3933 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6262 SdHoareTripleChecker+Valid, 1391 SdHoareTripleChecker+Invalid, 12722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3933 IncrementalHoareTripleChecker+Valid, 8782 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.5s IncrementalHoareTripleChecker+Time [2023-04-02 08:29:24,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6262 Valid, 1391 Invalid, 12722 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3933 Valid, 8782 Invalid, 7 Unknown, 0 Unchecked, 35.5s Time] [2023-04-02 08:29:24,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6220 states. [2023-04-02 08:29:25,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6220 to 4907. [2023-04-02 08:29:25,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4907 states, 3086 states have (on average 1.2388204795852236) internal successors, (3823), 3166 states have internal predecessors, (3823), 1277 states have call successors, (1277), 530 states have call predecessors, (1277), 543 states have return successors, (1390), 1242 states have call predecessors, (1390), 1256 states have call successors, (1390) [2023-04-02 08:29:25,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4907 states to 4907 states and 6490 transitions. [2023-04-02 08:29:25,392 INFO L78 Accepts]: Start accepts. Automaton has 4907 states and 6490 transitions. Word has length 53 [2023-04-02 08:29:25,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:29:25,393 INFO L495 AbstractCegarLoop]: Abstraction has 4907 states and 6490 transitions. [2023-04-02 08:29:25,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (12), 7 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-02 08:29:25,393 INFO L276 IsEmpty]: Start isEmpty. Operand 4907 states and 6490 transitions. [2023-04-02 08:29:25,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-04-02 08:29:25,398 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:29:25,398 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:29:25,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 08:29:25,398 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:29:25,398 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:29:25,399 INFO L85 PathProgramCache]: Analyzing trace with hash -582704356, now seen corresponding path program 1 times [2023-04-02 08:29:25,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:29:25,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570263108] [2023-04-02 08:29:25,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:29:25,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:29:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:25,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:29:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:25,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:29:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:25,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:29:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:25,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 08:29:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:25,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:29:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:25,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:29:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:25,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:29:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:25,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:29:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:25,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:29:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:25,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 08:29:25,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:29:25,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570263108] [2023-04-02 08:29:25,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570263108] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:29:25,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:29:25,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 08:29:25,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019473654] [2023-04-02 08:29:25,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:29:25,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 08:29:25,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:29:25,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 08:29:25,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-04-02 08:29:25,927 INFO L87 Difference]: Start difference. First operand 4907 states and 6490 transitions. Second operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 4 states have internal predecessors, (33), 4 states have call successors, (12), 7 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-02 08:29:28,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:29:30,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:29:32,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:29:44,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:29:46,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:29:48,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:29:50,199 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 []