/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-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 07:41:04,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 07:41:04,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 07:41:04,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 07:41:04,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 07:41:04,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 07:41:04,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 07:41:04,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 07:41:04,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 07:41:04,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 07:41:04,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 07:41:04,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 07:41:04,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 07:41:04,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 07:41:04,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 07:41:04,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 07:41:04,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 07:41:04,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 07:41:04,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 07:41:04,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 07:41:04,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 07:41:04,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 07:41:04,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 07:41:04,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 07:41:04,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 07:41:04,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 07:41:04,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 07:41:04,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 07:41:04,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 07:41:04,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 07:41:04,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 07:41:04,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 07:41:04,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 07:41:04,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 07:41:04,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 07:41:04,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 07:41:04,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 07:41:04,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 07:41:04,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 07:41:04,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 07:41:04,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 07:41:04,275 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 07:41:04,314 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 07:41:04,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 07:41:04,314 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 07:41:04,314 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 07:41:04,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 07:41:04,315 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 07:41:04,315 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 07:41:04,316 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 07:41:04,316 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 07:41:04,316 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 07:41:04,316 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 07:41:04,316 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 07:41:04,316 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 07:41:04,316 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 07:41:04,320 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 07:41:04,320 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 07:41:04,320 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 07:41:04,320 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 07:41:04,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 07:41:04,321 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 07:41:04,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 07:41:04,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 07:41:04,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 07:41:04,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 07:41:04,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 07:41:04,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 07:41:04,323 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 07:41:04,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 07:41:04,323 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 07:41:04,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 07:41:04,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 07:41:04,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 07:41:04,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 07:41:04,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 07:41:04,324 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 07:41:04,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 07:41:04,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 07:41:04,326 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 07:41:04,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 07:41:04,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 07:41:04,326 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 07:41:04,326 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 07:41:04,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 07:41:04,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 07:41:04,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 07:41:04,594 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 07:41:04,595 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 07:41:04,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2023-04-01 07:41:05,825 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 07:41:06,309 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 07:41:06,310 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2023-04-01 07:41:06,357 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a2cf67e9/164728cd148b4970accc86a6df6f14ef/FLAG4dd628a79 [2023-04-01 07:41:06,373 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a2cf67e9/164728cd148b4970accc86a6df6f14ef [2023-04-01 07:41:06,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 07:41:06,378 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 07:41:06,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 07:41:06,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 07:41:06,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 07:41:06,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 07:41:06" (1/1) ... [2023-04-01 07:41:06,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a254a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:41:06, skipping insertion in model container [2023-04-01 07:41:06,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 07:41:06" (1/1) ... [2023-04-01 07:41:06,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 07:41:06,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 07:41:08,303 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i[258961,258974] [2023-04-01 07:41:08,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 07:41:08,633 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 07:41:08,937 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i[258961,258974] [2023-04-01 07:41:08,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 07:41:09,058 WARN L667 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 07:41:09,064 INFO L208 MainTranslator]: Completed translation [2023-04-01 07:41:09,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:41:09 WrapperNode [2023-04-01 07:41:09,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 07:41:09,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 07:41:09,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 07:41:09,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 07:41:09,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:41:09" (1/1) ... [2023-04-01 07:41:09,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:41:09" (1/1) ... [2023-04-01 07:41:09,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:41:09" (1/1) ... [2023-04-01 07:41:09,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:41:09" (1/1) ... [2023-04-01 07:41:09,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:41:09" (1/1) ... [2023-04-01 07:41:09,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:41:09" (1/1) ... [2023-04-01 07:41:09,332 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:41:09" (1/1) ... [2023-04-01 07:41:09,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:41:09" (1/1) ... [2023-04-01 07:41:09,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 07:41:09,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 07:41:09,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 07:41:09,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 07:41:09,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:41:09" (1/1) ... [2023-04-01 07:41:09,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 07:41:09,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 07:41:09,434 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 07:41:09,452 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 07:41:09,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 07:41:09,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 07:41:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-01 07:41:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 07:41:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-01 07:41:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 07:41:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 07:41:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-01 07:41:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-01 07:41:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-01 07:41:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-01 07:41:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-01 07:41:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-01 07:41:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 07:41:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-01 07:41:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-04-01 07:41:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-04-01 07:41:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-01 07:41:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-01 07:41:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-01 07:41:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-01 07:41:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2023-04-01 07:41:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2023-04-01 07:41:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-04-01 07:41:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-04-01 07:41:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-01 07:41:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2023-04-01 07:41:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-04-01 07:41:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-01 07:41:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-04-01 07:41:09,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2023-04-01 07:41:09,481 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-04-01 07:41:09,481 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-04-01 07:41:09,481 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2023-04-01 07:41:09,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-01 07:41:09,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2023-04-01 07:41:09,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-04-01 07:41:09,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-04-01 07:41:09,482 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wiphy_dev [2023-04-01 07:41:09,482 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_DEV [2023-04-01 07:41:09,482 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_rx_cb [2023-04-01 07:41:09,482 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_cb [2023-04-01 07:41:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_dummy_cb [2023-04-01 07:41:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_free_urbs [2023-04-01 07:41:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_stop [2023-04-01 07:41:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_init_urbs [2023-04-01 07:41:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_open [2023-04-01 07:41:09,484 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_lm87_chksum [2023-04-01 07:41:09,484 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_lm87 [2023-04-01 07:41:09,484 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_net2280 [2023-04-01 07:41:09,484 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_write [2023-04-01 07:41:09,484 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_read [2023-04-01 07:41:09,484 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_bulk_msg [2023-04-01 07:41:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_device_reset [2023-04-01 07:41:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_firmware_reset_3887 [2023-04-01 07:41:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_3887 [2023-04-01 07:41:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_net2280 [2023-04-01 07:41:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_find_type [2023-04-01 07:41:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_start_ops [2023-04-01 07:41:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware_cb [2023-04-01 07:41:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware [2023-04-01 07:41:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_probe [2023-04-01 07:41:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_disconnect [2023-04-01 07:41:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_pre_reset [2023-04-01 07:41:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_resume [2023-04-01 07:41:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_post_reset [2023-04-01 07:41:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_suspend [2023-04-01 07:41:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_init [2023-04-01 07:41:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_exit [2023-04-01 07:41:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2023-04-01 07:41:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 07:41:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2023-04-01 07:41:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2023-04-01 07:41:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2023-04-01 07:41:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2023-04-01 07:41:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2023-04-01 07:41:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2023-04-01 07:41:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2023-04-01 07:41:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_12 [2023-04-01 07:41:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_13 [2023-04-01 07:41:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2023-04-01 07:41:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2023-04-01 07:41:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 07:41:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-01 07:41:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-01 07:41:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-01 07:41:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-01 07:41:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-01 07:41:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2023-04-01 07:41:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2023-04-01 07:41:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2023-04-01 07:41:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2023-04-01 07:41:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-04-01 07:41:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2023-04-01 07:41:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2023-04-01 07:41:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2023-04-01 07:41:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2023-04-01 07:41:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2023-04-01 07:41:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2023-04-01 07:41:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2023-04-01 07:41:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2023-04-01 07:41:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-04-01 07:41:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-04-01 07:41:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-01 07:41:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-04-01 07:41:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-04-01 07:41:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2023-04-01 07:41:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2023-04-01 07:41:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2023-04-01 07:41:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2023-04-01 07:41:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-01 07:41:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-01 07:41:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-04-01 07:41:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-04-01 07:41:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-01 07:41:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-01 07:41:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-04-01 07:41:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2023-04-01 07:41:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2023-04-01 07:41:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-04-01 07:41:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2023-04-01 07:41:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_udev_of_p54u_priv [2023-04-01 07:41:09,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_udev_of_p54u_priv [2023-04-01 07:41:09,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev_of_p54u_priv [2023-04-01 07:41:09,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_udev_of_p54u_priv [2023-04-01 07:41:09,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_udev_of_p54u_priv [2023-04-01 07:41:09,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_udev_of_p54u_priv [2023-04-01 07:41:09,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev_of_p54u_priv [2023-04-01 07:41:09,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_udev_of_p54u_priv [2023-04-01 07:41:09,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_udev_of_p54u_priv [2023-04-01 07:41:09,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev_of_p54u_priv [2023-04-01 07:41:09,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev_of_p54u_priv [2023-04-01 07:41:09,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 07:41:09,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-01 07:41:09,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2023-04-01 07:41:09,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-01 07:41:09,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2023-04-01 07:41:09,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2023-04-01 07:41:09,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-04-01 07:41:09,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-01 07:41:09,503 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-01 07:41:09,503 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-04-01 07:41:09,503 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-04-01 07:41:09,503 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-01 07:41:09,503 INFO L138 BoogieDeclarations]: Found implementation of procedure device_release_driver [2023-04-01 07:41:09,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_restart_hw [2023-04-01 07:41:09,503 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-04-01 07:41:09,503 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2023-04-01 07:41:09,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 07:41:09,503 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-04-01 07:41:09,503 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-04-01 07:41:09,503 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-01 07:41:09,503 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_common [2023-04-01 07:41:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_skb [2023-04-01 07:41:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_init_common [2023-04-01 07:41:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_parse_firmware [2023-04-01 07:41:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_read_eeprom [2023-04-01 07:41:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_register_common [2023-04-01 07:41:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_rx [2023-04-01 07:41:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_unregister_common [2023-04-01 07:41:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-04-01 07:41:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware_nowait [2023-04-01 07:41:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-04-01 07:41:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-04-01 07:41:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-01 07:41:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-04-01 07:41:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-04-01 07:41:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2023-04-01 07:41:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-04-01 07:41:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2023-04-01 07:41:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-04-01 07:41:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-01 07:41:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-04-01 07:41:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2023-04-01 07:41:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2023-04-01 07:41:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_interrupt_msg [2023-04-01 07:41:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2023-04-01 07:41:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2023-04-01 07:41:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-01 07:41:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2023-04-01 07:41:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-04-01 07:41:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2023-04-01 07:41:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-04-01 07:41:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 07:41:09,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-01 07:41:09,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-01 07:41:09,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-01 07:41:09,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-04-01 07:41:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 07:41:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 07:41:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 07:41:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 07:41:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 07:41:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 07:41:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 07:41:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-01 07:41:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 07:41:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-01 07:41:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-01 07:41:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-04-01 07:41:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2023-04-01 07:41:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2023-04-01 07:41:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2023-04-01 07:41:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-04-01 07:41:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2023-04-01 07:41:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-01 07:41:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2023-04-01 07:41:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2023-04-01 07:41:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2023-04-01 07:41:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 07:41:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 07:41:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 07:41:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 07:41:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 07:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 07:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 07:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 07:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-01 07:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-01 07:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-01 07:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-01 07:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-01 07:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-01 07:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-01 07:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2023-04-01 07:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_13 [2023-04-01 07:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-04-01 07:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2023-04-01 07:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2023-04-01 07:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2023-04-01 07:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2023-04-01 07:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2023-04-01 07:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-04-01 07:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-04-01 07:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-04-01 07:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-04-01 07:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-04-01 07:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev_of_p54u_priv [2023-04-01 07:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev_of_p54u_priv [2023-04-01 07:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-01 07:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-01 07:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-01 07:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-04-01 07:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 07:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 07:41:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 07:41:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-04-01 07:41:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-04-01 07:41:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2023-04-01 07:41:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-04-01 07:41:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 07:41:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-01 07:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-01 07:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2023-04-01 07:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-01 07:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-01 07:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 07:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-01 07:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2023-04-01 07:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2023-04-01 07:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure device_release_driver [2023-04-01 07:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-01 07:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-01 07:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-04-01 07:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-04-01 07:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-01 07:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2023-04-01 07:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2023-04-01 07:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_12 [2023-04-01 07:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2023-04-01 07:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2023-04-01 07:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-01 07:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2023-04-01 07:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-01 07:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2023-04-01 07:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2023-04-01 07:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-04-01 07:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-04-01 07:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-04-01 07:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-04-01 07:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2023-04-01 07:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2023-04-01 07:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2023-04-01 07:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_interrupt_msg [2023-04-01 07:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-04-01 07:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-01 07:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 07:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware_nowait [2023-04-01 07:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-04-01 07:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-04-01 07:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-04-01 07:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2023-04-01 07:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-04-01 07:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-04-01 07:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2023-04-01 07:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-04-01 07:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2023-04-01 07:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-01 07:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-04-01 07:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-04-01 07:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-04-01 07:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-04-01 07:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-01 07:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2023-04-01 07:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-04-01 07:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2023-04-01 07:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-04-01 07:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-04-01 07:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure set_wiphy_dev [2023-04-01 07:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_DEV [2023-04-01 07:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_restart_hw [2023-04-01 07:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure p54_rx [2023-04-01 07:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_skb [2023-04-01 07:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure p54_parse_firmware [2023-04-01 07:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure p54_read_eeprom [2023-04-01 07:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure p54_init_common [2023-04-01 07:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure p54_register_common [2023-04-01 07:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_common [2023-04-01 07:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure p54_unregister_common [2023-04-01 07:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_rx_cb [2023-04-01 07:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_cb [2023-04-01 07:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_dummy_cb [2023-04-01 07:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_free_urbs [2023-04-01 07:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_stop [2023-04-01 07:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_init_urbs [2023-04-01 07:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_open [2023-04-01 07:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_lm87_chksum [2023-04-01 07:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_lm87 [2023-04-01 07:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_net2280 [2023-04-01 07:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_write [2023-04-01 07:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_read [2023-04-01 07:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_bulk_msg [2023-04-01 07:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_device_reset [2023-04-01 07:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_firmware_reset_3887 [2023-04-01 07:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_3887 [2023-04-01 07:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-04-01 07:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-01 07:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_net2280 [2023-04-01 07:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure p54_find_type [2023-04-01 07:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_start_ops [2023-04-01 07:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-01 07:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware_cb [2023-04-01 07:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware [2023-04-01 07:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_probe [2023-04-01 07:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_disconnect [2023-04-01 07:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_pre_reset [2023-04-01 07:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_resume [2023-04-01 07:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_post_reset [2023-04-01 07:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_suspend [2023-04-01 07:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_init [2023-04-01 07:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_exit [2023-04-01 07:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 07:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 07:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 07:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 07:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-01 07:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-01 07:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-01 07:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-01 07:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-01 07:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2023-04-01 07:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2023-04-01 07:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2023-04-01 07:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-04-01 07:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2023-04-01 07:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2023-04-01 07:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2023-04-01 07:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2023-04-01 07:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2023-04-01 07:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2023-04-01 07:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2023-04-01 07:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-04-01 07:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-01 07:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-04-01 07:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2023-04-01 07:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2023-04-01 07:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2023-04-01 07:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2023-04-01 07:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-01 07:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-01 07:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-01 07:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-01 07:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2023-04-01 07:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2023-04-01 07:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-04-01 07:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2023-04-01 07:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_udev_of_p54u_priv [2023-04-01 07:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_udev_of_p54u_priv [2023-04-01 07:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev_of_p54u_priv [2023-04-01 07:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_udev_of_p54u_priv [2023-04-01 07:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_udev_of_p54u_priv [2023-04-01 07:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_udev_of_p54u_priv [2023-04-01 07:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev_of_p54u_priv [2023-04-01 07:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_udev_of_p54u_priv [2023-04-01 07:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_udev_of_p54u_priv [2023-04-01 07:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-01 07:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 07:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 07:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 07:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-01 07:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-01 07:41:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 07:41:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 07:41:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-01 07:41:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-01 07:41:10,177 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 07:41:10,189 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 07:41:10,268 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-01 07:41:46,762 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 07:41:47,698 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 07:41:47,699 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 07:41:47,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 07:41:47 BoogieIcfgContainer [2023-04-01 07:41:47,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 07:41:47,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 07:41:47,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 07:41:47,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 07:41:47,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 07:41:06" (1/3) ... [2023-04-01 07:41:47,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616244c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 07:41:47, skipping insertion in model container [2023-04-01 07:41:47,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:41:09" (2/3) ... [2023-04-01 07:41:47,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616244c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 07:41:47, skipping insertion in model container [2023-04-01 07:41:47,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 07:41:47" (3/3) ... [2023-04-01 07:41:47,713 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2023-04-01 07:41:47,729 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 07:41:47,730 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 07:41:47,807 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 07:41:47,816 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;@437847f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 07:41:47,816 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 07:41:47,827 INFO L276 IsEmpty]: Start isEmpty. Operand has 1170 states, 660 states have (on average 1.2742424242424242) internal successors, (841), 699 states have internal predecessors, (841), 332 states have call successors, (332), 128 states have call predecessors, (332), 127 states have return successors, (328), 325 states have call predecessors, (328), 328 states have call successors, (328) [2023-04-01 07:41:47,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-04-01 07:41:47,840 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:41:47,840 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:41:47,841 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:41:47,846 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:41:47,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1168114035, now seen corresponding path program 1 times [2023-04-01 07:41:47,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:41:47,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973611337] [2023-04-01 07:41:47,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:41:47,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:41:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:41:49,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 07:41:49,083 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:41:49,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973611337] [2023-04-01 07:41:49,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973611337] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:41:49,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:41:49,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:41:49,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276376335] [2023-04-01 07:41:49,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:41:49,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:41:49,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:41:49,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:41:49,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:41:49,120 INFO L87 Difference]: Start difference. First operand has 1170 states, 660 states have (on average 1.2742424242424242) internal successors, (841), 699 states have internal predecessors, (841), 332 states have call successors, (332), 128 states have call predecessors, (332), 127 states have return successors, (328), 325 states have call predecessors, (328), 328 states have call successors, (328) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 07:41:51,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 07:41:53,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 07:41:54,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:41:54,189 INFO L93 Difference]: Finished difference Result 2357 states and 3183 transitions. [2023-04-01 07:41:54,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:41:54,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 50 [2023-04-01 07:41:54,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:41:54,218 INFO L225 Difference]: With dead ends: 2357 [2023-04-01 07:41:54,218 INFO L226 Difference]: Without dead ends: 1545 [2023-04-01 07:41:54,227 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 07:41:54,230 INFO L413 NwaCegarLoop]: 961 mSDtfsCounter, 1014 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 1893 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-04-01 07:41:54,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 1893 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 242 Invalid, 2 Unknown, 0 Unchecked, 4.9s Time] [2023-04-01 07:41:54,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2023-04-01 07:41:54,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 1541. [2023-04-01 07:41:54,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1541 states, 925 states have (on average 1.2972972972972974) internal successors, (1200), 958 states have internal predecessors, (1200), 427 states have call successors, (427), 191 states have call predecessors, (427), 188 states have return successors, (419), 419 states have call predecessors, (419), 419 states have call successors, (419) [2023-04-01 07:41:54,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 2046 transitions. [2023-04-01 07:41:54,395 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 2046 transitions. Word has length 50 [2023-04-01 07:41:54,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:41:54,396 INFO L495 AbstractCegarLoop]: Abstraction has 1541 states and 2046 transitions. [2023-04-01 07:41:54,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 07:41:54,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 2046 transitions. [2023-04-01 07:41:54,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-04-01 07:41:54,466 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:41:54,466 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:41:54,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 07:41:54,467 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:41:54,468 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:41:54,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1379594186, now seen corresponding path program 1 times [2023-04-01 07:41:54,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:41:54,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690238258] [2023-04-01 07:41:54,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:41:54,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:41:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:41:55,217 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-01 07:41:55,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:41:55,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690238258] [2023-04-01 07:41:55,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690238258] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:41:55,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:41:55,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:41:55,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812492894] [2023-04-01 07:41:55,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:41:55,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:41:55,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:41:55,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:41:55,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:41:55,220 INFO L87 Difference]: Start difference. First operand 1541 states and 2046 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-01 07:41:57,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 07:41:57,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:41:57,700 INFO L93 Difference]: Finished difference Result 1543 states and 2047 transitions. [2023-04-01 07:41:57,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:41:57,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 69 [2023-04-01 07:41:57,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:41:57,712 INFO L225 Difference]: With dead ends: 1543 [2023-04-01 07:41:57,712 INFO L226 Difference]: Without dead ends: 1540 [2023-04-01 07:41:57,715 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 07:41:57,717 INFO L413 NwaCegarLoop]: 938 mSDtfsCounter, 1034 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1034 SdHoareTripleChecker+Valid, 939 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-04-01 07:41:57,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1034 Valid, 939 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2023-04-01 07:41:57,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2023-04-01 07:41:57,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1540. [2023-04-01 07:41:57,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1540 states, 925 states have (on average 1.2962162162162163) internal successors, (1199), 957 states have internal predecessors, (1199), 426 states have call successors, (426), 191 states have call predecessors, (426), 188 states have return successors, (419), 419 states have call predecessors, (419), 419 states have call successors, (419) [2023-04-01 07:41:57,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 2044 transitions. [2023-04-01 07:41:57,829 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 2044 transitions. Word has length 69 [2023-04-01 07:41:57,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:41:57,829 INFO L495 AbstractCegarLoop]: Abstraction has 1540 states and 2044 transitions. [2023-04-01 07:41:57,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-01 07:41:57,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 2044 transitions. [2023-04-01 07:41:57,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-04-01 07:41:57,837 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:41:57,838 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:41:57,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 07:41:57,838 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:41:57,838 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:41:57,838 INFO L85 PathProgramCache]: Analyzing trace with hash 181654072, now seen corresponding path program 1 times [2023-04-01 07:41:57,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:41:57,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579374048] [2023-04-01 07:41:57,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:41:57,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:41:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:41:58,573 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-01 07:41:58,574 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:41:58,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579374048] [2023-04-01 07:41:58,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579374048] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:41:58,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:41:58,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:41:58,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290278533] [2023-04-01 07:41:58,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:41:58,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:41:58,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:41:58,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:41:58,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:41:58,576 INFO L87 Difference]: Start difference. First operand 1540 states and 2044 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-01 07:42:00,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 07:42:01,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:42:01,065 INFO L93 Difference]: Finished difference Result 1542 states and 2045 transitions. [2023-04-01 07:42:01,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:42:01,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 70 [2023-04-01 07:42:01,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:42:01,075 INFO L225 Difference]: With dead ends: 1542 [2023-04-01 07:42:01,075 INFO L226 Difference]: Without dead ends: 1539 [2023-04-01 07:42:01,077 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 07:42:01,077 INFO L413 NwaCegarLoop]: 936 mSDtfsCounter, 1031 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1031 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-04-01 07:42:01,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1031 Valid, 937 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2023-04-01 07:42:01,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1539 states. [2023-04-01 07:42:01,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1539 to 1539. [2023-04-01 07:42:01,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1539 states, 925 states have (on average 1.2951351351351352) internal successors, (1198), 956 states have internal predecessors, (1198), 425 states have call successors, (425), 191 states have call predecessors, (425), 188 states have return successors, (419), 419 states have call predecessors, (419), 419 states have call successors, (419) [2023-04-01 07:42:01,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1539 states and 2042 transitions. [2023-04-01 07:42:01,158 INFO L78 Accepts]: Start accepts. Automaton has 1539 states and 2042 transitions. Word has length 70 [2023-04-01 07:42:01,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:42:01,159 INFO L495 AbstractCegarLoop]: Abstraction has 1539 states and 2042 transitions. [2023-04-01 07:42:01,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-01 07:42:01,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 2042 transitions. [2023-04-01 07:42:01,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-04-01 07:42:01,163 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:42:01,163 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:42:01,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 07:42:01,163 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:42:01,164 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:42:01,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1335714681, now seen corresponding path program 1 times [2023-04-01 07:42:01,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:42:01,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727395779] [2023-04-01 07:42:01,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:42:01,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:42:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:42:01,786 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-01 07:42:01,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:42:01,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727395779] [2023-04-01 07:42:01,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727395779] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:42:01,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:42:01,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:42:01,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120517583] [2023-04-01 07:42:01,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:42:01,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:42:01,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:42:01,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:42:01,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:42:01,788 INFO L87 Difference]: Start difference. First operand 1539 states and 2042 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-01 07:42:03,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 07:42:04,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:42:04,445 INFO L93 Difference]: Finished difference Result 1541 states and 2043 transitions. [2023-04-01 07:42:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:42:04,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 71 [2023-04-01 07:42:04,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:42:04,454 INFO L225 Difference]: With dead ends: 1541 [2023-04-01 07:42:04,454 INFO L226 Difference]: Without dead ends: 1538 [2023-04-01 07:42:04,457 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 07:42:04,459 INFO L413 NwaCegarLoop]: 934 mSDtfsCounter, 1028 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1028 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-04-01 07:42:04,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1028 Valid, 935 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2023-04-01 07:42:04,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2023-04-01 07:42:04,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 1538. [2023-04-01 07:42:04,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1538 states, 925 states have (on average 1.2940540540540542) internal successors, (1197), 955 states have internal predecessors, (1197), 424 states have call successors, (424), 191 states have call predecessors, (424), 188 states have return successors, (419), 419 states have call predecessors, (419), 419 states have call successors, (419) [2023-04-01 07:42:04,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 2040 transitions. [2023-04-01 07:42:04,574 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 2040 transitions. Word has length 71 [2023-04-01 07:42:04,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:42:04,575 INFO L495 AbstractCegarLoop]: Abstraction has 1538 states and 2040 transitions. [2023-04-01 07:42:04,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-01 07:42:04,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 2040 transitions. [2023-04-01 07:42:04,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-04-01 07:42:04,577 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:42:04,577 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:42:04,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 07:42:04,578 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:42:04,578 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:42:04,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1543107237, now seen corresponding path program 1 times [2023-04-01 07:42:04,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:42:04,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482020285] [2023-04-01 07:42:04,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:42:04,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:42:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:42:05,475 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-01 07:42:05,476 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:42:05,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482020285] [2023-04-01 07:42:05,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482020285] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:42:05,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:42:05,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:42:05,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588872901] [2023-04-01 07:42:05,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:42:05,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:42:05,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:42:05,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:42:05,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:42:05,477 INFO L87 Difference]: Start difference. First operand 1538 states and 2040 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)