/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 07:55:20,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 07:55:20,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 07:55:20,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 07:55:20,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 07:55:20,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 07:55:20,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 07:55:20,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 07:55:20,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 07:55:20,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 07:55:20,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 07:55:20,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 07:55:20,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 07:55:20,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 07:55:20,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 07:55:20,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 07:55:20,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 07:55:20,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 07:55:20,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 07:55:20,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 07:55:20,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 07:55:20,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 07:55:20,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 07:55:20,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 07:55:20,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 07:55:20,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 07:55:20,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 07:55:20,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 07:55:20,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 07:55:20,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 07:55:20,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 07:55:20,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 07:55:20,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 07:55:20,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 07:55:20,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 07:55:20,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 07:55:20,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 07:55:20,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 07:55:20,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 07:55:20,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 07:55:20,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 07:55:20,575 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 07:55:20,603 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 07:55:20,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 07:55:20,604 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 07:55:20,604 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 07:55:20,605 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 07:55:20,605 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 07:55:20,605 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 07:55:20,606 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 07:55:20,606 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 07:55:20,606 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 07:55:20,606 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 07:55:20,607 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 07:55:20,607 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 07:55:20,607 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 07:55:20,607 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 07:55:20,607 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 07:55:20,607 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 07:55:20,607 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 07:55:20,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 07:55:20,608 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 07:55:20,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 07:55:20,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 07:55:20,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 07:55:20,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 07:55:20,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 07:55:20,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 07:55:20,609 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 07:55:20,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 07:55:20,609 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 07:55:20,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 07:55:20,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 07:55:20,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 07:55:20,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 07:55:20,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 07:55:20,610 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 07:55:20,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 07:55:20,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 07:55:20,611 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 07:55:20,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 07:55:20,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 07:55:20,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 07:55:20,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 07:55:20,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 07:55:20,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 07:55:20,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 07:55:20,878 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 07:55:20,878 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 07:55:20,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point.cil.out.i [2023-04-01 07:55:22,090 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 07:55:22,655 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 07:55:22,656 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point.cil.out.i [2023-04-01 07:55:22,700 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdd6bf6a6/0f79d68da3f34f009433d23b5b5b418b/FLAG8816a2f6b [2023-04-01 07:55:22,720 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdd6bf6a6/0f79d68da3f34f009433d23b5b5b418b [2023-04-01 07:55:22,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 07:55:22,725 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 07:55:22,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 07:55:22,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 07:55:22,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 07:55:22,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 07:55:22" (1/1) ... [2023-04-01 07:55:22,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5658ced4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:22, skipping insertion in model container [2023-04-01 07:55:22,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 07:55:22" (1/1) ... [2023-04-01 07:55:22,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 07:55:22,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 07:55:25,411 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point.cil.out.i[338700,338713] [2023-04-01 07:55:25,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 07:55:25,486 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 07:55:25,877 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point.cil.out.i[338700,338713] [2023-04-01 07:55:25,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 07:55:25,946 WARN L667 CHandler]: The function ldv_calloc is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 07:55:25,953 INFO L208 MainTranslator]: Completed translation [2023-04-01 07:55:25,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:25 WrapperNode [2023-04-01 07:55:25,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 07:55:25,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 07:55:25,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 07:55:25,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 07:55:25,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:25" (1/1) ... [2023-04-01 07:55:25,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:25" (1/1) ... [2023-04-01 07:55:26,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:25" (1/1) ... [2023-04-01 07:55:26,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:25" (1/1) ... [2023-04-01 07:55:26,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:25" (1/1) ... [2023-04-01 07:55:26,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:25" (1/1) ... [2023-04-01 07:55:26,447 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:25" (1/1) ... [2023-04-01 07:55:26,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:25" (1/1) ... [2023-04-01 07:55:26,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 07:55:26,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 07:55:26,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 07:55:26,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 07:55:26,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:25" (1/1) ... [2023-04-01 07:55:26,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 07:55:26,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 07:55:26,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 07:55:26,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 07:55:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 07:55:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 07:55:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-01 07:55:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-01 07:55:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-04-01 07:55:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-01 07:55:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 07:55:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2023-04-01 07:55:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 07:55:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 07:55:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-01 07:55:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-01 07:55:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-01 07:55:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-01 07:55:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-01 07:55:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-01 07:55:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 07:55:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-01 07:55:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-04-01 07:55:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-04-01 07:55:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2023-04-01 07:55:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-01 07:55:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-01 07:55:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-04-01 07:55:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2023-04-01 07:55:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_coherent_mask [2023-04-01 07:55:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2023-04-01 07:55:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_readl [2023-04-01 07:55:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_writel [2023-04-01 07:55:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_oip [2023-04-01 07:55:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_stop [2023-04-01 07:55:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_reset [2023-04-01 07:55:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_run [2023-04-01 07:55:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_softconn [2023-04-01 07:55:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_softdisconn [2023-04-01 07:55:26,610 INFO L138 BoogieDeclarations]: Found implementation of procedure scratchpad_setup [2023-04-01 07:55:26,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_srr [2023-04-01 07:55:26,610 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_mem_init [2023-04-01 07:55:26,610 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_mem_free [2023-04-01 07:55:26,610 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_reinit [2023-04-01 07:55:26,610 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_mem_alloc [2023-04-01 07:55:26,611 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_hw_exit [2023-04-01 07:55:26,611 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_hw_init [2023-04-01 07:55:26,611 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_probe [2023-04-01 07:55:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_remove [2023-04-01 07:55:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_driver_init [2023-04-01 07:55:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_driver_exit [2023-04-01 07:55:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_probe_4 [2023-04-01 07:55:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_init_4 [2023-04-01 07:55:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 07:55:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-01 07:55:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2023-04-01 07:55:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2023-04-01 07:55:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2023-04-01 07:55:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2023-04-01 07:55:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2023-04-01 07:55:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-04-01 07:55:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2023-04-01 07:55:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___platform_driver_register_29 [2023-04-01 07:55:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_30 [2023-04-01 07:55:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2023-04-01 07:55:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-04-01 07:55:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2023-04-01 07:55:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-04-01 07:55:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_issue_cmd [2023-04-01 07:55:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_submit_cmd [2023-04-01 07:55:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_dconfig_ep [2023-04-01 07:55:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_bd_list_reinit [2023-04-01 07:55:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_config_ep [2023-04-01 07:55:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_ep_bla [2023-04-01 07:55:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_address_device [2023-04-01 07:55:26,615 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_function_wake_fh [2023-04-01 07:55:26,615 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_function_wake [2023-04-01 07:55:26,615 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_ep_set_stall [2023-04-01 07:55:26,615 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_ep_clear_stall [2023-04-01 07:55:26,615 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_stop_ep [2023-04-01 07:55:26,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_52 [2023-04-01 07:55:26,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_53 [2023-04-01 07:55:26,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_54 [2023-04-01 07:55:26,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_55 [2023-04-01 07:55:26,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_56 [2023-04-01 07:55:26,616 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-01 07:55:26,617 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-04-01 07:55:26,617 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-04-01 07:55:26,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_75 [2023-04-01 07:55:26,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_79 [2023-04-01 07:55:26,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_82 [2023-04-01 07:55:26,617 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2023-04-01 07:55:26,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_bd_list_free [2023-04-01 07:55:26,617 INFO L138 BoogieDeclarations]: Found implementation of procedure chain_table [2023-04-01 07:55:26,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_bd_list_alloc [2023-04-01 07:55:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_needed_req [2023-04-01 07:55:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_add_to_bdi [2023-04-01 07:55:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure bdi_to_tbi [2023-04-01 07:55:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure find_end_bdi [2023-04-01 07:55:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_available_ep [2023-04-01 07:55:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_notify_xfr [2023-04-01 07:55:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure bdi_to_bd [2023-04-01 07:55:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_bdlist_eqp_adv [2023-04-01 07:55:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_first_bd_ep0 [2023-04-01 07:55:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bd_list_xfr [2023-04-01 07:55:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_queue_xfr [2023-04-01 07:55:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_req_complete [2023-04-01 07:55:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_ep_disable [2023-04-01 07:55:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_ep_enable [2023-04-01 07:55:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_queue_status_stage [2023-04-01 07:55:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_queue [2023-04-01 07:55:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_queue_data_stage [2023-04-01 07:55:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_queue [2023-04-01 07:55:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_dequeue [2023-04-01 07:55:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_set_halt [2023-04-01 07:55:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_free_ep [2023-04-01 07:55:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_set_test_mode [2023-04-01 07:55:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_xsr_succ_status [2023-04-01 07:55:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_xsf_ep0_setup_recv [2023-04-01 07:55:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_stall [2023-04-01 07:55:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_set_address [2023-04-01 07:55:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_handle_feature_dev [2023-04-01 07:55:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_handle_feature [2023-04-01 07:55:26,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_handle_status [2023-04-01 07:55:26,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_set_sel_cmpl [2023-04-01 07:55:26,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_set_sel [2023-04-01 07:55:26,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_queue_zlp [2023-04-01 07:55:26,629 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_control_request [2023-04-01 07:55:26,629 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_xsf_ep0_data_start [2023-04-01 07:55:26,629 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_xsf_ep0_status_start [2023-04-01 07:55:26,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_xsf_complete [2023-04-01 07:55:26,629 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_sr_xsf [2023-04-01 07:55:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_ep_queue [2023-04-01 07:55:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_ep_dequeue [2023-04-01 07:55:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_ep_set_halt [2023-04-01 07:55:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_alloc_request [2023-04-01 07:55:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_free_request [2023-04-01 07:55:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_ep_enable [2023-04-01 07:55:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_ep_disable [2023-04-01 07:55:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ep [2023-04-01 07:55:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_init_ep [2023-04-01 07:55:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_ep_ops_3 [2023-04-01 07:55:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2023-04-01 07:55:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-01 07:55:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-01 07:55:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-01 07:55:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_85 [2023-04-01 07:55:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_86 [2023-04-01 07:55:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_87 [2023-04-01 07:55:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_88 [2023-04-01 07:55:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_89 [2023-04-01 07:55:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-01 07:55:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_99 [2023-04-01 07:55:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-04-01 07:55:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-04-01 07:55:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-04-01 07:55:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2023-04-01 07:55:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure srr_dqp_index_advc [2023-04-01 07:55:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_uspc_connected [2023-04-01 07:55:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_uspc_disconnected [2023-04-01 07:55:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_func_wake_timer [2023-04-01 07:55:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_link_state_change [2023-04-01 07:55:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_sr_uspc [2023-04-01 07:55:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_interrupt [2023-04-01 07:55:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_start [2023-04-01 07:55:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_stop [2023-04-01 07:55:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_pullup [2023-04-01 07:55:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_set_selfpowered [2023-04-01 07:55:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_wakeup [2023-04-01 07:55:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_init [2023-04-01 07:55:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_exit [2023-04-01 07:55:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-04-01 07:55:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2023-04-01 07:55:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-04-01 07:55:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2023-04-01 07:55:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-04-01 07:55:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_gadget_ops_2 [2023-04-01 07:55:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2023-04-01 07:55:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_2 [2023-04-01 07:55:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_119 [2023-04-01 07:55:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_120 [2023-04-01 07:55:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_121 [2023-04-01 07:55:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_122 [2023-04-01 07:55:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_123 [2023-04-01 07:55:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_dbg_regs [2023-04-01 07:55:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_dump_epsts [2023-04-01 07:55:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_dbg_srr [2023-04-01 07:55:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_dbg_bd_list [2023-04-01 07:55:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_152 [2023-04-01 07:55:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_153 [2023-04-01 07:55:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_154 [2023-04-01 07:55:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_155 [2023-04-01 07:55:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_156 [2023-04-01 07:55:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 07:55:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-01 07:55:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-01 07:55:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-01 07:55:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-01 07:55:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-01 07:55:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 07:55:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-01 07:55:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-01 07:55:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-01 07:55:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-01 07:55:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-04-01 07:55:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-01 07:55:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-01 07:55:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-04-01 07:55:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-01 07:55:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-01 07:55:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2023-04-01 07:55:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2023-04-01 07:55:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-01 07:55:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-01 07:55:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-01 07:55:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-01 07:55:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-01 07:55:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-01 07:55:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_resource [2023-04-01 07:55:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2023-04-01 07:55:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2023-04-01 07:55:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-01 07:55:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2023-04-01 07:55:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-04-01 07:55:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-04-01 07:55:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2023-04-01 07:55:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_supported [2023-04-01 07:55:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-04-01 07:55:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-01 07:55:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 07:55:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 07:55:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-01 07:55:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-04-01 07:55:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-01 07:55:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-04-01 07:55:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2023-04-01 07:55:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-04-01 07:55:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-04-01 07:55:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-01 07:55:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_add_gadget_udc [2023-04-01 07:55:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_del_gadget_udc [2023-04-01 07:55:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_giveback_request [2023-04-01 07:55:26,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_map_request [2023-04-01 07:55:26,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_state [2023-04-01 07:55:26,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_unmap_request [2023-04-01 07:55:26,637 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 07:55:26,637 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-01 07:55:26,637 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-01 07:55:26,637 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-01 07:55:26,637 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 07:55:26,637 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 07:55:26,638 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 07:55:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 07:55:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 07:55:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 07:55:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 07:55:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2023-04-01 07:55:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-01 07:55:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-01 07:55:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 07:55:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 07:55:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-01 07:55:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 07:55:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 07:55:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 07:55:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-01 07:55:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 07:55:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 07:55:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 07:55:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-01 07:55:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-01 07:55:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-01 07:55:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-01 07:55:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-01 07:55:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-01 07:55:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-01 07:55:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-01 07:55:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-01 07:55:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-01 07:55:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2023-04-01 07:55:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2023-04-01 07:55:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-04-01 07:55:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2023-04-01 07:55:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2023-04-01 07:55:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-04-01 07:55:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2023-04-01 07:55:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-04-01 07:55:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-04-01 07:55:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 07:55:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-04-01 07:55:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-01 07:55:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-04-01 07:55:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_probe_4 [2023-04-01 07:55:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_ep_ops_3 [2023-04-01 07:55:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_init_4 [2023-04-01 07:55:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-04-01 07:55:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_gadget_ops_2 [2023-04-01 07:55:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2023-04-01 07:55:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2023-04-01 07:55:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2023-04-01 07:55:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2023-04-01 07:55:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-01 07:55:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 07:55:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-01 07:55:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 07:55:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-01 07:55:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-01 07:55:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-04-01 07:55:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2023-04-01 07:55:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2023-04-01 07:55:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___platform_driver_register_29 [2023-04-01 07:55:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-04-01 07:55:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_30 [2023-04-01 07:55:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-04-01 07:55:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2023-04-01 07:55:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-01 07:55:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure dma_supported [2023-04-01 07:55:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2023-04-01 07:55:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-01 07:55:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_coherent_mask [2023-04-01 07:55:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 07:55:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2023-04-01 07:55:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2023-04-01 07:55:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2023-04-01 07:55:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-04-01 07:55:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_readl [2023-04-01 07:55:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_writel [2023-04-01 07:55:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_softconn [2023-04-01 07:55:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_softdisconn [2023-04-01 07:55:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_run [2023-04-01 07:55:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_stop [2023-04-01 07:55:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_reset [2023-04-01 07:55:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_init [2023-04-01 07:55:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_exit [2023-04-01 07:55:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_reinit [2023-04-01 07:55:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_sr_uspc [2023-04-01 07:55:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_sr_xsf [2023-04-01 07:55:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_xsf_ep0_setup_recv [2023-04-01 07:55:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_xsf_ep0_data_start [2023-04-01 07:55:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_xsf_ep0_status_start [2023-04-01 07:55:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_dbg_regs [2023-04-01 07:55:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure poll_oip [2023-04-01 07:55:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 07:55:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 07:55:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 07:55:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure scratchpad_setup [2023-04-01 07:55:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure setup_srr [2023-04-01 07:55:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_mem_init [2023-04-01 07:55:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_mem_free [2023-04-01 07:55:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_mem_alloc [2023-04-01 07:55:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_hw_exit [2023-04-01 07:55:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_hw_init [2023-04-01 07:55:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_probe [2023-04-01 07:55:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_remove [2023-04-01 07:55:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_driver_init [2023-04-01 07:55:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_driver_exit [2023-04-01 07:55:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 07:55:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 07:55:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-01 07:55:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_2 [2023-04-01 07:55:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2023-04-01 07:55:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 07:55:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-01 07:55:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_52 [2023-04-01 07:55:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_54 [2023-04-01 07:55:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_53 [2023-04-01 07:55:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_56 [2023-04-01 07:55:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_55 [2023-04-01 07:55:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2023-04-01 07:55:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-04-01 07:55:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2023-04-01 07:55:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-04-01 07:55:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-04-01 07:55:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_notify_xfr [2023-04-01 07:55:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_address_device [2023-04-01 07:55:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_config_ep [2023-04-01 07:55:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_dconfig_ep [2023-04-01 07:55:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_stop_ep [2023-04-01 07:55:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_ep_set_stall [2023-04-01 07:55:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_ep_clear_stall [2023-04-01 07:55:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_ep_bla [2023-04-01 07:55:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_function_wake [2023-04-01 07:55:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_function_wake_fh [2023-04-01 07:55:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_dump_epsts [2023-04-01 07:55:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_issue_cmd [2023-04-01 07:55:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_submit_cmd [2023-04-01 07:55:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure ep_bd_list_reinit [2023-04-01 07:55:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-04-01 07:55:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-01 07:55:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-01 07:55:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-01 07:55:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-01 07:55:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-01 07:55:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-04-01 07:55:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-04-01 07:55:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-04-01 07:55:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-01 07:55:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-01 07:55:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-01 07:55:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-01 07:55:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_75 [2023-04-01 07:55:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-01 07:55:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_79 [2023-04-01 07:55:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-01 07:55:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_82 [2023-04-01 07:55:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-01 07:55:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_85 [2023-04-01 07:55:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_87 [2023-04-01 07:55:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_86 [2023-04-01 07:55:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_89 [2023-04-01 07:55:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_88 [2023-04-01 07:55:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-01 07:55:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_99 [2023-04-01 07:55:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-04-01 07:55:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2023-04-01 07:55:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_map_request [2023-04-01 07:55:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_unmap_request [2023-04-01 07:55:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_state [2023-04-01 07:55:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_giveback_request [2023-04-01 07:55:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_init_ep [2023-04-01 07:55:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_ep_disable [2023-04-01 07:55:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_ep_enable [2023-04-01 07:55:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_free_ep [2023-04-01 07:55:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_dbg_bd_list [2023-04-01 07:55:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_dbg_srr [2023-04-01 07:55:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure ep_bd_list_free [2023-04-01 07:55:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure chain_table [2023-04-01 07:55:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure ep_bd_list_alloc [2023-04-01 07:55:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure bd_needed_req [2023-04-01 07:55:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure bd_add_to_bdi [2023-04-01 07:55:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure bdi_to_tbi [2023-04-01 07:55:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure find_end_bdi [2023-04-01 07:55:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure bd_available_ep [2023-04-01 07:55:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure bdi_to_bd [2023-04-01 07:55:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure ep_bdlist_eqp_adv [2023-04-01 07:55:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure setup_first_bd_ep0 [2023-04-01 07:55:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bd_list_xfr [2023-04-01 07:55:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_queue_xfr [2023-04-01 07:55:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_req_complete [2023-04-01 07:55:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_queue_status_stage [2023-04-01 07:55:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_queue [2023-04-01 07:55:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_queue_data_stage [2023-04-01 07:55:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure ep_queue [2023-04-01 07:55:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure ep_dequeue [2023-04-01 07:55:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure ep_set_halt [2023-04-01 07:55:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_set_test_mode [2023-04-01 07:55:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure handle_xsr_succ_status [2023-04-01 07:55:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-01 07:55:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_stall [2023-04-01 07:55:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_set_address [2023-04-01 07:55:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_handle_feature_dev [2023-04-01 07:55:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_handle_feature [2023-04-01 07:55:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_handle_status [2023-04-01 07:55:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_set_sel_cmpl [2023-04-01 07:55:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_set_sel [2023-04-01 07:55:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_queue_zlp [2023-04-01 07:55:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure handle_control_request [2023-04-01 07:55:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-01 07:55:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_xsf_complete [2023-04-01 07:55:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-04-01 07:55:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_ep_queue [2023-04-01 07:55:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_ep_dequeue [2023-04-01 07:55:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_ep_set_halt [2023-04-01 07:55:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_alloc_request [2023-04-01 07:55:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_free_request [2023-04-01 07:55:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_ep_enable [2023-04-01 07:55:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_ep_disable [2023-04-01 07:55:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure init_ep [2023-04-01 07:55:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-01 07:55:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2023-04-01 07:55:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-04-01 07:55:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-01 07:55:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-04-01 07:55:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-01 07:55:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_119 [2023-04-01 07:55:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_121 [2023-04-01 07:55:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_120 [2023-04-01 07:55:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_123 [2023-04-01 07:55:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_122 [2023-04-01 07:55:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-04-01 07:55:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-04-01 07:55:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2023-04-01 07:55:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-04-01 07:55:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2023-04-01 07:55:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2023-04-01 07:55:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2023-04-01 07:55:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure usb_add_gadget_udc [2023-04-01 07:55:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure usb_del_gadget_udc [2023-04-01 07:55:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure srr_dqp_index_advc [2023-04-01 07:55:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_uspc_connected [2023-04-01 07:55:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_uspc_disconnected [2023-04-01 07:55:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-01 07:55:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_func_wake_timer [2023-04-01 07:55:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure handle_link_state_change [2023-04-01 07:55:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_interrupt [2023-04-01 07:55:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_start [2023-04-01 07:55:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_stop [2023-04-01 07:55:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_pullup [2023-04-01 07:55:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_set_selfpowered [2023-04-01 07:55:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_wakeup [2023-04-01 07:55:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_152 [2023-04-01 07:55:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_154 [2023-04-01 07:55:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_153 [2023-04-01 07:55:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_156 [2023-04-01 07:55:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_155 [2023-04-01 07:55:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 07:55:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-01 07:55:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-01 07:55:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-01 07:55:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-01 07:55:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 07:55:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-01 07:55:26,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-01 07:55:26,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-01 07:55:26,659 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 07:55:26,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 07:55:26,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 07:55:26,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 07:55:26,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 07:55:26,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-01 07:55:26,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-01 07:55:26,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-01 07:55:26,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-01 07:55:27,591 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 07:55:27,597 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 07:55:29,399 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-01 07:55:46,797 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 07:55:50,291 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 07:55:50,291 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-04-01 07:55:50,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 07:55:50 BoogieIcfgContainer [2023-04-01 07:55:50,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 07:55:50,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 07:55:50,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 07:55:50,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 07:55:50,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 07:55:22" (1/3) ... [2023-04-01 07:55:50,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b80b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 07:55:50, skipping insertion in model container [2023-04-01 07:55:50,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:25" (2/3) ... [2023-04-01 07:55:50,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b80b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 07:55:50, skipping insertion in model container [2023-04-01 07:55:50,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 07:55:50" (3/3) ... [2023-04-01 07:55:50,308 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point.cil.out.i [2023-04-01 07:55:50,326 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 07:55:50,326 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 07:55:50,440 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 07:55:50,449 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@b20605f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 07:55:50,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 07:55:50,463 INFO L276 IsEmpty]: Start isEmpty. Operand has 2888 states, 1776 states have (on average 1.2837837837837838) internal successors, (2280), 1814 states have internal predecessors, (2280), 876 states have call successors, (876), 202 states have call predecessors, (876), 201 states have return successors, (871), 861 states have call predecessors, (871), 871 states have call successors, (871) [2023-04-01 07:55:50,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-04-01 07:55:50,491 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:55:50,492 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:55:50,493 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:55:50,499 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:55:50,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1775623239, now seen corresponding path program 1 times [2023-04-01 07:55:50,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:55:50,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178307993] [2023-04-01 07:55:50,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:55:50,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:55:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:55:51,443 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-04-01 07:55:51,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:55:51,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178307993] [2023-04-01 07:55:51,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178307993] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:55:51,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:55:51,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:55:51,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309658954] [2023-04-01 07:55:51,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:55:51,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:55:51,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:55:51,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:55:51,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:55:51,506 INFO L87 Difference]: Start difference. First operand has 2888 states, 1776 states have (on average 1.2837837837837838) internal successors, (2280), 1814 states have internal predecessors, (2280), 876 states have call successors, (876), 202 states have call predecessors, (876), 201 states have return successors, (871), 861 states have call predecessors, (871), 871 states have call successors, (871) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 07:55:53,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:55:53,697 INFO L93 Difference]: Finished difference Result 5032 states and 6970 transitions. [2023-04-01 07:55:53,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:55:53,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 75 [2023-04-01 07:55:53,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:55:53,740 INFO L225 Difference]: With dead ends: 5032 [2023-04-01 07:55:53,740 INFO L226 Difference]: Without dead ends: 3148 [2023-04-01 07:55:53,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:55:53,765 INFO L413 NwaCegarLoop]: 2458 mSDtfsCounter, 1831 mSDsluCounter, 2321 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1831 SdHoareTripleChecker+Valid, 4779 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-04-01 07:55:53,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1831 Valid, 4779 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-04-01 07:55:53,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2023-04-01 07:55:54,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3144. [2023-04-01 07:55:54,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3144 states, 1892 states have (on average 1.2521141649048626) internal successors, (2369), 1922 states have internal predecessors, (2369), 974 states have call successors, (974), 279 states have call predecessors, (974), 277 states have return successors, (972), 969 states have call predecessors, (972), 972 states have call successors, (972) [2023-04-01 07:55:54,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3144 states to 3144 states and 4315 transitions. [2023-04-01 07:55:54,107 INFO L78 Accepts]: Start accepts. Automaton has 3144 states and 4315 transitions. Word has length 75 [2023-04-01 07:55:54,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:55:54,107 INFO L495 AbstractCegarLoop]: Abstraction has 3144 states and 4315 transitions. [2023-04-01 07:55:54,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 07:55:54,108 INFO L276 IsEmpty]: Start isEmpty. Operand 3144 states and 4315 transitions. [2023-04-01 07:55:54,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-04-01 07:55:54,120 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:55:54,121 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:55:54,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 07:55:54,121 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:55:54,122 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:55:54,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1885358162, now seen corresponding path program 1 times [2023-04-01 07:55:54,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:55:54,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785089704] [2023-04-01 07:55:54,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:55:54,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:55:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:55:56,094 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-04-01 07:55:56,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:55:56,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785089704] [2023-04-01 07:55:56,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785089704] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:55:56,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:55:56,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 07:55:56,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139185074] [2023-04-01 07:55:56,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:55:56,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 07:55:56,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:55:56,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 07:55:56,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 07:55:56,103 INFO L87 Difference]: Start difference. First operand 3144 states and 4315 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-01 07:55:58,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:55:58,712 INFO L93 Difference]: Finished difference Result 5655 states and 7792 transitions. [2023-04-01 07:55:58,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 07:55:58,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 156 [2023-04-01 07:55:58,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:55:58,750 INFO L225 Difference]: With dead ends: 5655 [2023-04-01 07:55:58,750 INFO L226 Difference]: Without dead ends: 5652 [2023-04-01 07:55:58,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 07:55:58,757 INFO L413 NwaCegarLoop]: 2550 mSDtfsCounter, 1860 mSDsluCounter, 4816 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1860 SdHoareTripleChecker+Valid, 7366 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-04-01 07:55:58,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1860 Valid, 7366 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-04-01 07:55:58,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5652 states. [2023-04-01 07:55:59,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5652 to 5617. [2023-04-01 07:55:59,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5617 states, 3394 states have (on average 1.2548615203299942) internal successors, (4259), 3457 states have internal predecessors, (4259), 1728 states have call successors, (1728), 503 states have call predecessors, (1728), 494 states have return successors, (1747), 1704 states have call predecessors, (1747), 1726 states have call successors, (1747) [2023-04-01 07:55:59,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5617 states to 5617 states and 7734 transitions. [2023-04-01 07:55:59,108 INFO L78 Accepts]: Start accepts. Automaton has 5617 states and 7734 transitions. Word has length 156 [2023-04-01 07:55:59,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:55:59,111 INFO L495 AbstractCegarLoop]: Abstraction has 5617 states and 7734 transitions. [2023-04-01 07:55:59,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-01 07:55:59,111 INFO L276 IsEmpty]: Start isEmpty. Operand 5617 states and 7734 transitions. [2023-04-01 07:55:59,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-04-01 07:55:59,126 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:55:59,126 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:55:59,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 07:55:59,126 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:55:59,127 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:55:59,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1473128228, now seen corresponding path program 1 times [2023-04-01 07:55:59,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:55:59,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326472181] [2023-04-01 07:55:59,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:55:59,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:55:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:56:02,922 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-04-01 07:56:02,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:56:02,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326472181] [2023-04-01 07:56:02,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326472181] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:56:02,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:56:02,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-01 07:56:02,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322417575] [2023-04-01 07:56:02,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:56:02,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 07:56:02,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:56:02,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 07:56:02,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-04-01 07:56:02,925 INFO L87 Difference]: Start difference. First operand 5617 states and 7734 transitions. Second operand has 12 states, 10 states have (on average 8.0) internal successors, (80), 9 states have internal predecessors, (80), 5 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (27), 7 states have call predecessors, (27), 5 states have call successors, (27)