/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain EqDomain -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 13:24:38,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 13:24:38,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 13:24:38,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 13:24:38,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 13:24:38,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 13:24:38,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 13:24:38,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 13:24:38,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 13:24:38,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 13:24:38,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 13:24:38,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 13:24:38,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 13:24:38,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 13:24:38,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 13:24:38,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 13:24:38,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 13:24:38,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 13:24:38,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 13:24:38,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 13:24:38,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 13:24:38,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 13:24:38,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 13:24:38,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 13:24:38,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 13:24:38,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 13:24:38,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 13:24:38,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 13:24:38,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 13:24:38,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 13:24:38,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 13:24:38,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 13:24:38,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 13:24:38,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 13:24:38,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 13:24:38,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 13:24:38,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 13:24:38,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 13:24:38,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 13:24:38,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 13:24:38,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 13:24:38,317 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 13:24:38,346 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 13:24:38,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 13:24:38,347 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 13:24:38,347 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 13:24:38,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 13:24:38,348 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 13:24:38,348 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 13:24:38,348 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 13:24:38,348 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 13:24:38,348 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 13:24:38,349 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 13:24:38,349 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 13:24:38,349 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 13:24:38,349 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 13:24:38,350 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 13:24:38,350 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 13:24:38,350 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 13:24:38,350 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 13:24:38,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 13:24:38,351 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 13:24:38,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 13:24:38,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 13:24:38,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 13:24:38,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 13:24:38,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 13:24:38,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 13:24:38,351 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 13:24:38,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 13:24:38,352 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 13:24:38,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 13:24:38,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 13:24:38,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 13:24:38,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 13:24:38,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 13:24:38,353 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 13:24:38,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 13:24:38,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 13:24:38,353 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 13:24:38,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 13:24:38,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 13:24:38,353 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 13:24:38,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 13:24:38,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 13:24:38,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 13:24:38,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 13:24:38,657 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 13:24:38,658 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 13:24:38,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2023-04-01 13:24:39,825 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 13:24:40,354 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 13:24:40,355 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2023-04-01 13:24:40,408 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50dd52176/02df4d5151874bdba7f0d5f4f2b4dbbd/FLAG7b3274bde [2023-04-01 13:24:40,428 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50dd52176/02df4d5151874bdba7f0d5f4f2b4dbbd [2023-04-01 13:24:40,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 13:24:40,432 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 13:24:40,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 13:24:40,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 13:24:40,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 13:24:40,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:24:40" (1/1) ... [2023-04-01 13:24:40,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2936d711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:24:40, skipping insertion in model container [2023-04-01 13:24:40,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:24:40" (1/1) ... [2023-04-01 13:24:40,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 13:24:40,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 13:24:42,495 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i[258672,258685] [2023-04-01 13:24:42,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 13:24:42,687 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 13:24:43,090 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i[258672,258685] [2023-04-01 13:24:43,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 13:24:43,237 WARN L667 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 13:24:43,237 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 13:24:43,237 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 13:24:43,243 INFO L208 MainTranslator]: Completed translation [2023-04-01 13:24:43,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:24:43 WrapperNode [2023-04-01 13:24:43,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 13:24:43,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 13:24:43,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 13:24:43,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 13:24:43,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:24:43" (1/1) ... [2023-04-01 13:24:43,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:24:43" (1/1) ... [2023-04-01 13:24:43,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:24:43" (1/1) ... [2023-04-01 13:24:43,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:24:43" (1/1) ... [2023-04-01 13:24:43,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:24:43" (1/1) ... [2023-04-01 13:24:43,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:24:43" (1/1) ... [2023-04-01 13:24:43,537 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:24:43" (1/1) ... [2023-04-01 13:24:43,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:24:43" (1/1) ... [2023-04-01 13:24:43,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 13:24:43,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 13:24:43,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 13:24:43,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 13:24:43,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:24:43" (1/1) ... [2023-04-01 13:24:43,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 13:24:43,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 13:24:43,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 13:24:43,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 13:24:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 13:24:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 13:24:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-01 13:24:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-01 13:24:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-04-01 13:24:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-01 13:24:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-04-01 13:24:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-04-01 13:24:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-01 13:24:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-04-01 13:24:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-04-01 13:24:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-04-01 13:24:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 13:24:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-01 13:24:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-01 13:24:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-04-01 13:24:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-01 13:24:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-04-01 13:24:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2023-04-01 13:24:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-04-01 13:24:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-01 13:24:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-01 13:24:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-01 13:24:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-04-01 13:24:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-04-01 13:24:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-04-01 13:24:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-04-01 13:24:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-04-01 13:24:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-04-01 13:24:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-01 13:24:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 13:24:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-01 13:24:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 13:24:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-01 13:24:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-01 13:24:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-01 13:24:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2023-04-01 13:24:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-04-01 13:24:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2023-04-01 13:24:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-04-01 13:24:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-04-01 13:24:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2023-04-01 13:24:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2023-04-01 13:24:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2023-04-01 13:24:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2023-04-01 13:24:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-04-01 13:24:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-01 13:24:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2023-04-01 13:24:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure device_enable_async_suspend [2023-04-01 13:24:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-04-01 13:24:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-04-01 13:24:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-01 13:24:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-04-01 13:24:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-04-01 13:24:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-04-01 13:24:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-01 13:24:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2023-04-01 13:24:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_int_must_check_helper [2023-04-01 13:24:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_init [2023-04-01 13:24:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_exit [2023-04-01 13:24:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_disconnect [2023-04-01 13:24:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_get_by_index [2023-04-01 13:24:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure get_free_serial [2023-04-01 13:24:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure return_serial [2023-04-01 13:24:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2023-04-01 13:24:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2023-04-01 13:24:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2023-04-01 13:24:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2023-04-01 13:24:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2023-04-01 13:24:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2023-04-01 13:24:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2023-04-01 13:24:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_close [2023-04-01 13:24:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2023-04-01 13:24:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2023-04-01 13:24:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2023-04-01 13:24:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2023-04-01 13:24:43,693 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2023-04-01 13:24:43,693 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2023-04-01 13:24:43,693 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2023-04-01 13:24:43,693 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2023-04-01 13:24:43,693 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2023-04-01 13:24:43,693 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_show [2023-04-01 13:24:43,693 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2023-04-01 13:24:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2023-04-01 13:24:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2023-04-01 13:24:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2023-04-01 13:24:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2023-04-01 13:24:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_work [2023-04-01 13:24:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2023-04-01 13:24:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_unpoison_urbs [2023-04-01 13:24:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_release [2023-04-01 13:24:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure create_serial [2023-04-01 13:24:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure match_dynamic_id [2023-04-01 13:24:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2023-04-01 13:24:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure search_serial_device [2023-04-01 13:24:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2023-04-01 13:24:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2023-04-01 13:24:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2023-04-01 13:24:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2023-04-01 13:24:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2023-04-01 13:24:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2023-04-01 13:24:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2023-04-01 13:24:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2023-04-01 13:24:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_init [2023-04-01 13:24:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_exit [2023-04-01 13:24:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_operations_init [2023-04-01 13:24:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2023-04-01 13:24:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2023-04-01 13:24:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register_drivers [2023-04-01 13:24:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2023-04-01 13:24:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 13:24:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2023-04-01 13:24:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2023-04-01 13:24:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2023-04-01 13:24:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2023-04-01 13:24:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2023-04-01 13:24:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2023-04-01 13:24:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2023-04-01 13:24:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2023-04-01 13:24:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2023-04-01 13:24:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2023-04-01 13:24:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2023-04-01 13:24:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2023-04-01 13:24:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_13 [2023-04-01 13:24:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2023-04-01 13:24:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2023-04-01 13:24:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2023-04-01 13:24:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2023-04-01 13:24:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2023-04-01 13:24:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_19 [2023-04-01 13:24:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_20 [2023-04-01 13:24:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_21 [2023-04-01 13:24:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2023-04-01 13:24:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2023-04-01 13:24:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2023-04-01 13:24:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2023-04-01 13:24:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2023-04-01 13:24:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2023-04-01 13:24:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_28 [2023-04-01 13:24:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2023-04-01 13:24:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2023-04-01 13:24:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2023-04-01 13:24:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2023-04-01 13:24:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_33 [2023-04-01 13:24:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_34 [2023-04-01 13:24:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_35 [2023-04-01 13:24:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-01 13:24:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2023-04-01 13:24:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-04-01 13:24:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit_lock [2023-04-01 13:24:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-04-01 13:24:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-01 13:24:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-04-01 13:24:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-01 13:24:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-04-01 13:24:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2023-04-01 13:24:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-01 13:24:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-01 13:24:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-01 13:24:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2023-04-01 13:24:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2023-04-01 13:24:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2023-04-01 13:24:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-04-01 13:24:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2023-04-01 13:24:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2023-04-01 13:24:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_register [2023-04-01 13:24:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_deregister [2023-04-01 13:24:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_open [2023-04-01 13:24:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_close [2023-04-01 13:24:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_prepare_write_buffer [2023-04-01 13:24:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2023-04-01 13:24:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2023-04-01 13:24:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_room [2023-04-01 13:24:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_chars_in_buffer [2023-04-01 13:24:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2023-04-01 13:24:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2023-04-01 13:24:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_process_read_urb [2023-04-01 13:24:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2023-04-01 13:24:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_bulk_callback [2023-04-01 13:24:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2023-04-01 13:24:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2023-04-01 13:24:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_msr_changed [2023-04-01 13:24:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2023-04-01 13:24:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2023-04-01 13:24:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_sysrq_char [2023-04-01 13:24:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_break [2023-04-01 13:24:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_dcd_change [2023-04-01 13:24:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2023-04-01 13:24:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main1_sequence_infinite_withcheck_stateful [2023-04-01 13:24:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_71 [2023-04-01 13:24:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_72 [2023-04-01 13:24:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_73 [2023-04-01 13:24:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_74 [2023-04-01 13:24:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_75 [2023-04-01 13:24:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2023-04-01 13:24:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure show_port_number [2023-04-01 13:24:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2023-04-01 13:24:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2023-04-01 13:24:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure store_new_id [2023-04-01 13:24:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dynids [2023-04-01 13:24:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dynids [2023-04-01 13:24:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_bus_register [2023-04-01 13:24:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_bus_deregister [2023-04-01 13:24:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main2_sequence_infinite_withcheck_stateful [2023-04-01 13:24:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_81 [2023-04-01 13:24:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_82 [2023-04-01 13:24:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_83 [2023-04-01 13:24:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_84 [2023-04-01 13:24:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_85 [2023-04-01 13:24:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 13:24:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 13:24:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_disc_mutex_of_usb_serial [2023-04-01 13:24:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_disc_mutex_of_usb_serial [2023-04-01 13:24:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2023-04-01 13:24:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_disc_mutex_of_usb_serial [2023-04-01 13:24:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_disc_mutex_of_usb_serial [2023-04-01 13:24:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_disc_mutex_of_usb_serial [2023-04-01 13:24:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2023-04-01 13:24:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2023-04-01 13:24:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2023-04-01 13:24:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-04-01 13:24:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-04-01 13:24:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-01 13:24:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-04-01 13:24:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-04-01 13:24:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-01 13:24:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-01 13:24:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-04-01 13:24:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-04-01 13:24:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-01 13:24:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-01 13:24:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-04-01 13:24:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_table_lock [2023-04-01 13:24:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_table_lock [2023-04-01 13:24:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2023-04-01 13:24:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_table_lock [2023-04-01 13:24:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_table_lock [2023-04-01 13:24:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_table_lock [2023-04-01 13:24:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2023-04-01 13:24:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 13:24:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 13:24:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-01 13:24:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-04-01 13:24:43,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-01 13:24:43,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_alloc [2023-04-01 13:24:43,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_free [2023-04-01 13:24:43,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in [2023-04-01 13:24:43,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in_r [2023-04-01 13:24:43,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_max_r [2023-04-01 13:24:43,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2023-04-01 13:24:43,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out_r [2023-04-01 13:24:43,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-01 13:24:43,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-01 13:24:43,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-01 13:24:43,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __tty_alloc_driver [2023-04-01 13:24:43,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-01 13:24:43,716 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-01 13:24:43,716 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-01 13:24:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-01 13:24:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-01 13:24:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-01 13:24:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-01 13:24:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-01 13:24:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_register [2023-04-01 13:24:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2023-04-01 13:24:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-04-01 13:24:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-01 13:24:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-01 13:24:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-01 13:24:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2023-04-01 13:24:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2023-04-01 13:24:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-04-01 13:24:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2023-04-01 13:24:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2023-04-01 13:24:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-04-01 13:24:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2023-04-01 13:24:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_register [2023-04-01 13:24:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-04-01 13:24:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2023-04-01 13:24:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-01 13:24:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_sysrq [2023-04-01 13:24:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-04-01 13:24:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2023-04-01 13:24:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-04-01 13:24:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-04-01 13:24:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-01 13:24:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-04-01 13:24:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-04-01 13:24:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-04-01 13:24:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-01 13:24:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-04-01 13:24:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-01 13:24:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2023-04-01 13:24:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-04-01 13:24:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-01 13:24:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-04-01 13:24:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-04-01 13:24:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2023-04-01 13:24:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2023-04-01 13:24:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-04-01 13:24:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2023-04-01 13:24:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2023-04-01 13:24:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2023-04-01 13:24:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2023-04-01 13:24:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_flags [2023-04-01 13:24:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2023-04-01 13:24:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_close [2023-04-01 13:24:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2023-04-01 13:24:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_hangup [2023-04-01 13:24:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_init [2023-04-01 13:24:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_install [2023-04-01 13:24:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_open [2023-04-01 13:24:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2023-04-01 13:24:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2023-04-01 13:24:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_device [2023-04-01 13:24:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_driver [2023-04-01 13:24:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2023-04-01 13:24:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_copy_hw [2023-04-01 13:24:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2023-04-01 13:24:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2023-04-01 13:24:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_vhangup [2023-04-01 13:24:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-04-01 13:24:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2023-04-01 13:24:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-04-01 13:24:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-01 13:24:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2023-04-01 13:24:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-04-01 13:24:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2023-04-01 13:24:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2023-04-01 13:24:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-01 13:24:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_id [2023-04-01 13:24:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2023-04-01 13:24:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2023-04-01 13:24:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2023-04-01 13:24:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2023-04-01 13:24:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-01 13:24:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_show_dynids [2023-04-01 13:24:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2023-04-01 13:24:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-04-01 13:24:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2023-04-01 13:24:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-04-01 13:24:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-01 13:24:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 13:24:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 13:24:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 13:24:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 13:24:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 13:24:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 13:24:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 13:24:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 13:24:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-01 13:24:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-01 13:24:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-04-01 13:24:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-01 13:24:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-01 13:24:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-01 13:24:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 13:24:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-01 13:24:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-04-01 13:24:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 13:24:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-04-01 13:24:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-04-01 13:24:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-01 13:24:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-01 13:24:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-04-01 13:24:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-04-01 13:24:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 13:24:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2023-04-01 13:24:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-04-01 13:24:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-01 13:24:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-01 13:24:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-04-01 13:24:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2023-04-01 13:24:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-01 13:24:43,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2023-04-01 13:24:43,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2023-04-01 13:24:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2023-04-01 13:24:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2023-04-01 13:24:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2023-04-01 13:24:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2023-04-01 13:24:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2023-04-01 13:24:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2023-04-01 13:24:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2023-04-01 13:24:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2023-04-01 13:24:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_20 [2023-04-01 13:24:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2023-04-01 13:24:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2023-04-01 13:24:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2023-04-01 13:24:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2023-04-01 13:24:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_28 [2023-04-01 13:24:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2023-04-01 13:24:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2023-04-01 13:24:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_33 [2023-04-01 13:24:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_35 [2023-04-01 13:24:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-04-01 13:24:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2023-04-01 13:24:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2023-04-01 13:24:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2023-04-01 13:24:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2023-04-01 13:24:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2023-04-01 13:24:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_13 [2023-04-01 13:24:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2023-04-01 13:24:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_19 [2023-04-01 13:24:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_21 [2023-04-01 13:24:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2023-04-01 13:24:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2023-04-01 13:24:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2023-04-01 13:24:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2023-04-01 13:24:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_34 [2023-04-01 13:24:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2023-04-01 13:24:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2023-04-01 13:24:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-04-01 13:24:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-04-01 13:24:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-04-01 13:24:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-04-01 13:24:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-04-01 13:24:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2023-04-01 13:24:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2023-04-01 13:24:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-01 13:24:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-01 13:24:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-01 13:24:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-01 13:24:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-01 13:24:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-01 13:24:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-01 13:24:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-01 13:24:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-01 13:24:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-04-01 13:24:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-04-01 13:24:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-04-01 13:24:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 13:24:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-04-01 13:24:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-04-01 13:24:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-04-01 13:24:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-01 13:24:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-04-01 13:24:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-01 13:24:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 13:24:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 13:24:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 13:24:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-01 13:24:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 13:24:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 13:24:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-01 13:24:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-01 13:24:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 13:24:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-01 13:24:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure __tty_alloc_driver [2023-04-01 13:24:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-04-01 13:24:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2023-04-01 13:24:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2023-04-01 13:24:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2023-04-01 13:24:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2023-04-01 13:24:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2023-04-01 13:24:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure tty_vhangup [2023-04-01 13:24:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_copy_hw [2023-04-01 13:24:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_init [2023-04-01 13:24:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2023-04-01 13:24:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2023-04-01 13:24:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_hangup [2023-04-01 13:24:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2023-04-01 13:24:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_close [2023-04-01 13:24:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_install [2023-04-01 13:24:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_open [2023-04-01 13:24:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2023-04-01 13:24:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-04-01 13:24:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-04-01 13:24:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2023-04-01 13:24:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2023-04-01 13:24:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2023-04-01 13:24:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-04-01 13:24:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-04-01 13:24:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-04-01 13:24:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-04-01 13:24:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 13:24:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2023-04-01 13:24:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-04-01 13:24:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-04-01 13:24:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2023-04-01 13:24:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2023-04-01 13:24:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2023-04-01 13:24:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2023-04-01 13:24:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-04-01 13:24:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure bus_register [2023-04-01 13:24:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2023-04-01 13:24:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-01 13:24:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2023-04-01 13:24:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2023-04-01 13:24:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure device_enable_async_suspend [2023-04-01 13:24:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2023-04-01 13:24:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2023-04-01 13:24:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2023-04-01 13:24:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-01 13:24:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-01 13:24:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2023-04-01 13:24:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2023-04-01 13:24:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-01 13:24:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-01 13:24:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-04-01 13:24:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-04-01 13:24:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2023-04-01 13:24:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2023-04-01 13:24:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-01 13:24:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2023-04-01 13:24:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2023-04-01 13:24:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2023-04-01 13:24:43,737 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-04-01 13:24:43,737 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_id [2023-04-01 13:24:43,737 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2023-04-01 13:24:43,737 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-04-01 13:24:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-01 13:24:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-01 13:24:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2023-04-01 13:24:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-04-01 13:24:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-04-01 13:24:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-04-01 13:24:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-04-01 13:24:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2023-04-01 13:24:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2023-04-01 13:24:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-01 13:24:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2023-04-01 13:24:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_int_must_check_helper [2023-04-01 13:24:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_alloc [2023-04-01 13:24:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2023-04-01 13:24:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register_drivers [2023-04-01 13:24:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2023-04-01 13:24:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2023-04-01 13:24:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2023-04-01 13:24:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2023-04-01 13:24:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_init [2023-04-01 13:24:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_exit [2023-04-01 13:24:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_disconnect [2023-04-01 13:24:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_get_by_index [2023-04-01 13:24:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2023-04-01 13:24:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_open [2023-04-01 13:24:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2023-04-01 13:24:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_close [2023-04-01 13:24:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2023-04-01 13:24:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_room [2023-04-01 13:24:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_chars_in_buffer [2023-04-01 13:24:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2023-04-01 13:24:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_bulk_callback [2023-04-01 13:24:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_register [2023-04-01 13:24:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_deregister [2023-04-01 13:24:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_process_read_urb [2023-04-01 13:24:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_prepare_write_buffer [2023-04-01 13:24:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_bus_register [2023-04-01 13:24:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_bus_deregister [2023-04-01 13:24:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure get_free_serial [2023-04-01 13:24:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 13:24:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 13:24:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure return_serial [2023-04-01 13:24:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2023-04-01 13:24:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2023-04-01 13:24:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2023-04-01 13:24:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-01 13:24:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2023-04-01 13:24:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2023-04-01 13:24:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2023-04-01 13:24:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure serial_close [2023-04-01 13:24:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2023-04-01 13:24:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2023-04-01 13:24:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-04-01 13:24:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2023-04-01 13:24:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-01 13:24:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2023-04-01 13:24:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2023-04-01 13:24:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2023-04-01 13:24:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2023-04-01 13:24:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-04-01 13:24:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-04-01 13:24:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2023-04-01 13:24:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-01 13:24:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2023-04-01 13:24:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-04-01 13:24:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_show [2023-04-01 13:24:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2023-04-01 13:24:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2023-04-01 13:24:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2023-04-01 13:24:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2023-04-01 13:24:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_work [2023-04-01 13:24:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2023-04-01 13:24:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_unpoison_urbs [2023-04-01 13:24:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_release [2023-04-01 13:24:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure create_serial [2023-04-01 13:24:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure match_dynamic_id [2023-04-01 13:24:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2023-04-01 13:24:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure search_serial_device [2023-04-01 13:24:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2023-04-01 13:24:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2023-04-01 13:24:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2023-04-01 13:24:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2023-04-01 13:24:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-04-01 13:24:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2023-04-01 13:24:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2023-04-01 13:24:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_init [2023-04-01 13:24:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_exit [2023-04-01 13:24:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_operations_init [2023-04-01 13:24:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2023-04-01 13:24:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2023-04-01 13:24:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 13:24:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-04-01 13:24:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2023-04-01 13:24:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 13:24:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-04-01 13:24:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 13:24:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-01 13:24:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2023-04-01 13:24:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-04-01 13:24:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit_lock [2023-04-01 13:24:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-04-01 13:24:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-01 13:24:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-04-01 13:24:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2023-04-01 13:24:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-01 13:24:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-01 13:24:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_74 [2023-04-01 13:24:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_72 [2023-04-01 13:24:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_75 [2023-04-01 13:24:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_71 [2023-04-01 13:24:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_73 [2023-04-01 13:24:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-04-01 13:24:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2023-04-01 13:24:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-01 13:24:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-01 13:24:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-01 13:24:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-01 13:24:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-01 13:24:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-01 13:24:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-01 13:24:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-04-01 13:24:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-01 13:24:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2023-04-01 13:24:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure handle_sysrq [2023-04-01 13:24:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2023-04-01 13:24:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_flags [2023-04-01 13:24:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2023-04-01 13:24:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2023-04-01 13:24:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2023-04-01 13:24:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2023-04-01 13:24:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-04-01 13:24:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2023-04-01 13:24:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-04-01 13:24:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-04-01 13:24:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-01 13:24:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2023-04-01 13:24:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2023-04-01 13:24:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2023-04-01 13:24:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in_r [2023-04-01 13:24:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2023-04-01 13:24:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_max_r [2023-04-01 13:24:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2023-04-01 13:24:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2023-04-01 13:24:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2023-04-01 13:24:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2023-04-01 13:24:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2023-04-01 13:24:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_sysrq_char [2023-04-01 13:24:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_break [2023-04-01 13:24:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_dcd_change [2023-04-01 13:24:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2023-04-01 13:24:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2023-04-01 13:24:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-04-01 13:24:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2023-04-01 13:24:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_msr_changed [2023-04-01 13:24:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main1_sequence_infinite_withcheck_stateful [2023-04-01 13:24:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-01 13:24:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_84 [2023-04-01 13:24:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_82 [2023-04-01 13:24:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_85 [2023-04-01 13:24:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_81 [2023-04-01 13:24:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_83 [2023-04-01 13:24:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_device [2023-04-01 13:24:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2023-04-01 13:24:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2023-04-01 13:24:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-04-01 13:24:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-04-01 13:24:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-04-01 13:24:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2023-04-01 13:24:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_show_dynids [2023-04-01 13:24:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2023-04-01 13:24:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure show_port_number [2023-04-01 13:24:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2023-04-01 13:24:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2023-04-01 13:24:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure store_new_id [2023-04-01 13:24:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure show_dynids [2023-04-01 13:24:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure free_dynids [2023-04-01 13:24:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main2_sequence_infinite_withcheck_stateful [2023-04-01 13:24:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 13:24:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_disc_mutex_of_usb_serial [2023-04-01 13:24:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_disc_mutex_of_usb_serial [2023-04-01 13:24:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_disc_mutex_of_usb_serial [2023-04-01 13:24:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_disc_mutex_of_usb_serial [2023-04-01 13:24:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_disc_mutex_of_usb_serial [2023-04-01 13:24:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2023-04-01 13:24:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2023-04-01 13:24:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-04-01 13:24:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-01 13:24:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-04-01 13:24:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-01 13:24:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-01 13:24:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-01 13:24:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-01 13:24:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_table_lock [2023-04-01 13:24:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_table_lock [2023-04-01 13:24:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_table_lock [2023-04-01 13:24:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_table_lock [2023-04-01 13:24:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_table_lock [2023-04-01 13:24:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-01 13:24:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 13:24:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-01 13:24:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-01 13:24:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 13:24:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 13:24:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 13:24:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 13:24:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 13:24:44,674 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 13:24:44,686 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 13:24:55,344 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 13:24:56,499 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 13:24:56,499 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-01 13:24:56,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:24:56 BoogieIcfgContainer [2023-04-01 13:24:56,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 13:24:56,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 13:24:56,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 13:24:56,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 13:24:56,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 01:24:40" (1/3) ... [2023-04-01 13:24:56,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b780dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:24:56, skipping insertion in model container [2023-04-01 13:24:56,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:24:43" (2/3) ... [2023-04-01 13:24:56,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b780dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:24:56, skipping insertion in model container [2023-04-01 13:24:56,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:24:56" (3/3) ... [2023-04-01 13:24:56,513 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2023-04-01 13:24:56,530 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 13:24:56,530 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 13:24:56,632 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 13:24:56,638 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;@2752ee27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 13:24:56,638 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 13:24:56,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 2481 states, 1399 states have (on average 1.2573266619013581) internal successors, (1759), 1457 states have internal predecessors, (1759), 746 states have call successors, (746), 294 states have call predecessors, (746), 294 states have return successors, (746), 724 states have call predecessors, (746), 746 states have call successors, (746) [2023-04-01 13:24:56,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-04-01 13:24:56,662 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:24:56,662 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] [2023-04-01 13:24:56,663 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:24:56,668 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:24:56,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1219801213, now seen corresponding path program 1 times [2023-04-01 13:24:56,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:24:56,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852539865] [2023-04-01 13:24:56,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:24:56,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:24:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:24:57,255 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 13:24:57,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:24:57,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852539865] [2023-04-01 13:24:57,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852539865] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:24:57,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:24:57,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 13:24:57,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930394056] [2023-04-01 13:24:57,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:24:57,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 13:24:57,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:24:57,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 13:24:57,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 13:24:57,291 INFO L87 Difference]: Start difference. First operand has 2481 states, 1399 states have (on average 1.2573266619013581) internal successors, (1759), 1457 states have internal predecessors, (1759), 746 states have call successors, (746), 294 states have call predecessors, (746), 294 states have return successors, (746), 724 states have call predecessors, (746), 746 states have call successors, (746) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-01 13:24:58,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:24:58,870 INFO L93 Difference]: Finished difference Result 6369 states and 8826 transitions. [2023-04-01 13:24:58,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 13:24:58,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 44 [2023-04-01 13:24:58,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:24:58,913 INFO L225 Difference]: With dead ends: 6369 [2023-04-01 13:24:58,913 INFO L226 Difference]: Without dead ends: 4152 [2023-04-01 13:24:58,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 13:24:58,934 INFO L413 NwaCegarLoop]: 3007 mSDtfsCounter, 2984 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2984 SdHoareTripleChecker+Valid, 5361 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-01 13:24:58,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2984 Valid, 5361 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-01 13:24:58,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4152 states. [2023-04-01 13:24:59,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4152 to 4147. [2023-04-01 13:24:59,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4147 states, 2377 states have (on average 1.2612536811106436) internal successors, (2998), 2465 states have internal predecessors, (2998), 1260 states have call successors, (1260), 530 states have call predecessors, (1260), 509 states have return successors, (1319), 1183 states have call predecessors, (1319), 1237 states have call successors, (1319) [2023-04-01 13:24:59,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4147 states to 4147 states and 5577 transitions. [2023-04-01 13:24:59,222 INFO L78 Accepts]: Start accepts. Automaton has 4147 states and 5577 transitions. Word has length 44 [2023-04-01 13:24:59,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:24:59,223 INFO L495 AbstractCegarLoop]: Abstraction has 4147 states and 5577 transitions. [2023-04-01 13:24:59,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-01 13:24:59,223 INFO L276 IsEmpty]: Start isEmpty. Operand 4147 states and 5577 transitions. [2023-04-01 13:24:59,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-04-01 13:24:59,225 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:24:59,225 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] [2023-04-01 13:24:59,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 13:24:59,226 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:24:59,226 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:24:59,226 INFO L85 PathProgramCache]: Analyzing trace with hash -842407134, now seen corresponding path program 1 times [2023-04-01 13:24:59,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:24:59,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202386685] [2023-04-01 13:24:59,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:24:59,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:24:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:24:59,559 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 13:24:59,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:24:59,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202386685] [2023-04-01 13:24:59,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202386685] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:24:59,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:24:59,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 13:24:59,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65869673] [2023-04-01 13:24:59,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:24:59,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 13:24:59,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:24:59,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 13:24:59,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 13:24:59,562 INFO L87 Difference]: Start difference. First operand 4147 states and 5577 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-01 13:25:00,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:25:00,412 INFO L93 Difference]: Finished difference Result 4149 states and 5578 transitions. [2023-04-01 13:25:00,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 13:25:00,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 45 [2023-04-01 13:25:00,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:25:00,440 INFO L225 Difference]: With dead ends: 4149 [2023-04-01 13:25:00,440 INFO L226 Difference]: Without dead ends: 4146 [2023-04-01 13:25:00,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 13:25:00,445 INFO L413 NwaCegarLoop]: 2747 mSDtfsCounter, 2993 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2993 SdHoareTripleChecker+Valid, 2752 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 13:25:00,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2993 Valid, 2752 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 13:25:00,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4146 states. [2023-04-01 13:25:00,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4146 to 4146. [2023-04-01 13:25:00,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4146 states, 2377 states have (on average 1.2608329827513673) internal successors, (2997), 2464 states have internal predecessors, (2997), 1259 states have call successors, (1259), 530 states have call predecessors, (1259), 509 states have return successors, (1319), 1183 states have call predecessors, (1319), 1237 states have call successors, (1319) [2023-04-01 13:25:00,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4146 states to 4146 states and 5575 transitions. [2023-04-01 13:25:00,695 INFO L78 Accepts]: Start accepts. Automaton has 4146 states and 5575 transitions. Word has length 45 [2023-04-01 13:25:00,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:25:00,695 INFO L495 AbstractCegarLoop]: Abstraction has 4146 states and 5575 transitions. [2023-04-01 13:25:00,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-01 13:25:00,696 INFO L276 IsEmpty]: Start isEmpty. Operand 4146 states and 5575 transitions. [2023-04-01 13:25:00,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-01 13:25:00,697 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:25:00,697 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] [2023-04-01 13:25:00,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 13:25:00,697 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:25:00,698 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:25:00,698 INFO L85 PathProgramCache]: Analyzing trace with hash -346351584, now seen corresponding path program 1 times [2023-04-01 13:25:00,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:25:00,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416643857] [2023-04-01 13:25:00,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:25:00,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:25:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:25:00,935 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 13:25:00,935 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:25:00,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416643857] [2023-04-01 13:25:00,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416643857] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:25:00,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:25:00,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 13:25:00,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368084321] [2023-04-01 13:25:00,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:25:00,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 13:25:00,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:25:00,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 13:25:00,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 13:25:00,938 INFO L87 Difference]: Start difference. First operand 4146 states and 5575 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-01 13:25:01,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:25:01,700 INFO L93 Difference]: Finished difference Result 4148 states and 5576 transitions. [2023-04-01 13:25:01,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 13:25:01,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 46 [2023-04-01 13:25:01,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:25:01,732 INFO L225 Difference]: With dead ends: 4148 [2023-04-01 13:25:01,732 INFO L226 Difference]: Without dead ends: 4145 [2023-04-01 13:25:01,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 13:25:01,738 INFO L413 NwaCegarLoop]: 2745 mSDtfsCounter, 2990 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2990 SdHoareTripleChecker+Valid, 2750 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 13:25:01,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2990 Valid, 2750 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 13:25:01,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4145 states. [2023-04-01 13:25:01,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4145 to 4145. [2023-04-01 13:25:01,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4145 states, 2377 states have (on average 1.2604122843920909) internal successors, (2996), 2463 states have internal predecessors, (2996), 1258 states have call successors, (1258), 530 states have call predecessors, (1258), 509 states have return successors, (1319), 1183 states have call predecessors, (1319), 1237 states have call successors, (1319) [2023-04-01 13:25:01,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4145 states to 4145 states and 5573 transitions. [2023-04-01 13:25:01,977 INFO L78 Accepts]: Start accepts. Automaton has 4145 states and 5573 transitions. Word has length 46 [2023-04-01 13:25:01,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:25:01,979 INFO L495 AbstractCegarLoop]: Abstraction has 4145 states and 5573 transitions. [2023-04-01 13:25:01,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-01 13:25:01,980 INFO L276 IsEmpty]: Start isEmpty. Operand 4145 states and 5573 transitions. [2023-04-01 13:25:01,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-01 13:25:01,985 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:25:01,986 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] [2023-04-01 13:25:01,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 13:25:01,986 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:25:01,986 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:25:01,986 INFO L85 PathProgramCache]: Analyzing trace with hash 2146473445, now seen corresponding path program 1 times [2023-04-01 13:25:01,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:25:01,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32108043] [2023-04-01 13:25:01,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:25:01,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:25:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:25:02,353 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 13:25:02,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:25:02,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32108043] [2023-04-01 13:25:02,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32108043] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:25:02,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:25:02,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 13:25:02,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089159860] [2023-04-01 13:25:02,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:25:02,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 13:25:02,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:25:02,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 13:25:02,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 13:25:02,357 INFO L87 Difference]: Start difference. First operand 4145 states and 5573 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 4 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-01 13:25:07,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:25:07,325 INFO L93 Difference]: Finished difference Result 4317 states and 5750 transitions. [2023-04-01 13:25:07,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 13:25:07,326 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 4 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 47 [2023-04-01 13:25:07,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:25:07,349 INFO L225 Difference]: With dead ends: 4317 [2023-04-01 13:25:07,349 INFO L226 Difference]: Without dead ends: 4295 [2023-04-01 13:25:07,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:25:07,352 INFO L413 NwaCegarLoop]: 1103 mSDtfsCounter, 3007 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 2415 mSolverCounterSat, 2027 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3181 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 4442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2027 IncrementalHoareTripleChecker+Valid, 2415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-04-01 13:25:07,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3181 Valid, 1559 Invalid, 4442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2027 Valid, 2415 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-04-01 13:25:07,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4295 states. [2023-04-01 13:25:07,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4295 to 4289. [2023-04-01 13:25:07,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4289 states, 2464 states have (on average 1.2556818181818181) internal successors, (3094), 2546 states have internal predecessors, (3094), 1279 states have call successors, (1279), 569 states have call predecessors, (1279), 545 states have return successors, (1340), 1204 states have call predecessors, (1340), 1258 states have call successors, (1340) [2023-04-01 13:25:07,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4289 states to 4289 states and 5713 transitions. [2023-04-01 13:25:07,626 INFO L78 Accepts]: Start accepts. Automaton has 4289 states and 5713 transitions. Word has length 47 [2023-04-01 13:25:07,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:25:07,626 INFO L495 AbstractCegarLoop]: Abstraction has 4289 states and 5713 transitions. [2023-04-01 13:25:07,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 4 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-01 13:25:07,627 INFO L276 IsEmpty]: Start isEmpty. Operand 4289 states and 5713 transitions. [2023-04-01 13:25:07,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-04-01 13:25:07,631 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:25:07,632 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 13:25:07,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 13:25:07,632 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:25:07,632 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:25:07,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1970075364, now seen corresponding path program 1 times [2023-04-01 13:25:07,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:25:07,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523993233] [2023-04-01 13:25:07,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:25:07,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:25:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:25:08,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 13:25:08,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:25:08,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523993233] [2023-04-01 13:25:08,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523993233] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:25:08,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:25:08,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 13:25:08,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071496075] [2023-04-01 13:25:08,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:25:08,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 13:25:08,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:25:08,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 13:25:08,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 13:25:08,070 INFO L87 Difference]: Start difference. First operand 4289 states and 5713 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-01 13:25:09,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:25:09,363 INFO L93 Difference]: Finished difference Result 8332 states and 11145 transitions. [2023-04-01 13:25:09,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 13:25:09,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 72 [2023-04-01 13:25:09,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:25:09,389 INFO L225 Difference]: With dead ends: 8332 [2023-04-01 13:25:09,389 INFO L226 Difference]: Without dead ends: 4284 [2023-04-01 13:25:09,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 13:25:09,414 INFO L413 NwaCegarLoop]: 4333 mSDtfsCounter, 2558 mSDsluCounter, 2626 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2558 SdHoareTripleChecker+Valid, 6959 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 13:25:09,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2558 Valid, 6959 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 13:25:09,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4284 states. [2023-04-01 13:25:09,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4284 to 4279. [2023-04-01 13:25:09,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4279 states, 2458 states have (on average 1.2546786004882018) internal successors, (3084), 2541 states have internal predecessors, (3084), 1275 states have call successors, (1275), 566 states have call predecessors, (1275), 545 states have return successors, (1261), 1202 states have call predecessors, (1261), 1240 states have call successors, (1261) [2023-04-01 13:25:09,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4279 states to 4279 states and 5620 transitions. [2023-04-01 13:25:09,705 INFO L78 Accepts]: Start accepts. Automaton has 4279 states and 5620 transitions. Word has length 72 [2023-04-01 13:25:09,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:25:09,706 INFO L495 AbstractCegarLoop]: Abstraction has 4279 states and 5620 transitions. [2023-04-01 13:25:09,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-01 13:25:09,706 INFO L276 IsEmpty]: Start isEmpty. Operand 4279 states and 5620 transitions. [2023-04-01 13:25:09,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-04-01 13:25:09,710 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:25:09,710 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 13:25:09,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 13:25:09,710 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:25:09,711 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:25:09,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1647073653, now seen corresponding path program 1 times [2023-04-01 13:25:09,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:25:09,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364479200] [2023-04-01 13:25:09,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:25:09,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:25:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:25:10,003 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-01 13:25:10,004 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:25:10,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364479200] [2023-04-01 13:25:10,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364479200] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:25:10,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:25:10,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 13:25:10,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372551670] [2023-04-01 13:25:10,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:25:10,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 13:25:10,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:25:10,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 13:25:10,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:25:10,006 INFO L87 Difference]: Start difference. First operand 4279 states and 5620 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-01 13:25:11,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:25:11,688 INFO L93 Difference]: Finished difference Result 8321 states and 10931 transitions. [2023-04-01 13:25:11,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 13:25:11,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 77 [2023-04-01 13:25:11,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:25:11,712 INFO L225 Difference]: With dead ends: 8321 [2023-04-01 13:25:11,712 INFO L226 Difference]: Without dead ends: 4279 [2023-04-01 13:25:11,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:25:11,731 INFO L413 NwaCegarLoop]: 2737 mSDtfsCounter, 0 mSDsluCounter, 8205 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10942 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-01 13:25:11,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10942 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-01 13:25:11,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4279 states. [2023-04-01 13:25:11,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4279 to 4279. [2023-04-01 13:25:11,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4279 states, 2458 states have (on average 1.2542717656631408) internal successors, (3083), 2541 states have internal predecessors, (3083), 1275 states have call successors, (1275), 566 states have call predecessors, (1275), 545 states have return successors, (1261), 1202 states have call predecessors, (1261), 1240 states have call successors, (1261) [2023-04-01 13:25:11,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4279 states to 4279 states and 5619 transitions. [2023-04-01 13:25:11,969 INFO L78 Accepts]: Start accepts. Automaton has 4279 states and 5619 transitions. Word has length 77 [2023-04-01 13:25:11,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:25:11,970 INFO L495 AbstractCegarLoop]: Abstraction has 4279 states and 5619 transitions. [2023-04-01 13:25:11,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-01 13:25:11,970 INFO L276 IsEmpty]: Start isEmpty. Operand 4279 states and 5619 transitions. [2023-04-01 13:25:11,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-04-01 13:25:11,973 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:25:11,973 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 13:25:11,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 13:25:11,974 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:25:11,974 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:25:11,974 INFO L85 PathProgramCache]: Analyzing trace with hash 499990216, now seen corresponding path program 1 times [2023-04-01 13:25:11,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:25:11,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587667305] [2023-04-01 13:25:11,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:25:11,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:25:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:25:12,221 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-04-01 13:25:12,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:25:12,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587667305] [2023-04-01 13:25:12,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587667305] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:25:12,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:25:12,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 13:25:12,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35926745] [2023-04-01 13:25:12,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:25:12,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 13:25:12,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:25:12,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 13:25:12,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 13:25:12,223 INFO L87 Difference]: Start difference. First operand 4279 states and 5619 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-01 13:25:13,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:25:13,368 INFO L93 Difference]: Finished difference Result 8530 states and 11207 transitions. [2023-04-01 13:25:13,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 13:25:13,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 95 [2023-04-01 13:25:13,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:25:13,400 INFO L225 Difference]: With dead ends: 8530 [2023-04-01 13:25:13,400 INFO L226 Difference]: Without dead ends: 4280 [2023-04-01 13:25:13,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 13:25:13,416 INFO L413 NwaCegarLoop]: 2737 mSDtfsCounter, 0 mSDsluCounter, 2734 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5471 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 13:25:13,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5471 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 13:25:13,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4280 states. [2023-04-01 13:25:13,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4280 to 4280. [2023-04-01 13:25:13,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4280 states, 2459 states have (on average 1.2541683611224075) internal successors, (3084), 2542 states have internal predecessors, (3084), 1275 states have call successors, (1275), 566 states have call predecessors, (1275), 545 states have return successors, (1261), 1202 states have call predecessors, (1261), 1240 states have call successors, (1261) [2023-04-01 13:25:13,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 4280 states and 5620 transitions. [2023-04-01 13:25:13,644 INFO L78 Accepts]: Start accepts. Automaton has 4280 states and 5620 transitions. Word has length 95 [2023-04-01 13:25:13,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:25:13,645 INFO L495 AbstractCegarLoop]: Abstraction has 4280 states and 5620 transitions. [2023-04-01 13:25:13,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-01 13:25:13,645 INFO L276 IsEmpty]: Start isEmpty. Operand 4280 states and 5620 transitions. [2023-04-01 13:25:13,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-04-01 13:25:13,652 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:25:13,652 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 13:25:13,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-01 13:25:13,653 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:25:13,653 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:25:13,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1219676407, now seen corresponding path program 1 times [2023-04-01 13:25:13,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:25:13,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141869436] [2023-04-01 13:25:13,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:25:13,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:25:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:25:13,909 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-04-01 13:25:13,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:25:13,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141869436] [2023-04-01 13:25:13,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141869436] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 13:25:13,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845235123] [2023-04-01 13:25:13,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:25:13,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 13:25:13,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 13:25:13,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 13:25:13,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 13:25:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:25:15,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 3386 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 13:25:15,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 13:25:15,064 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-01 13:25:15,065 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 13:25:15,188 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-04-01 13:25:15,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845235123] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 13:25:15,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1578196781] [2023-04-01 13:25:15,253 INFO L159 IcfgInterpreter]: Started Sifa with 85 locations of interest [2023-04-01 13:25:15,253 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 13:25:15,257 FATAL L? ?]: Ignoring exception! java.lang.IllegalArgumentException: Recursive programs are not supported. at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.topsortRelevant(CallGraph.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.(CallGraph.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.(IcfgInterpreter.java:92) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaBuilder.construct(SifaBuilder.java:96) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-04-01 13:25:15,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 13:25:15,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-04-01 13:25:15,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077523905] [2023-04-01 13:25:15,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 13:25:15,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 13:25:15,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:25:15,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 13:25:15,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-04-01 13:25:15,262 INFO L87 Difference]: Start difference. First operand 4280 states and 5620 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 13:25:17,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:25:17,345 INFO L93 Difference]: Finished difference Result 8533 states and 11212 transitions. [2023-04-01 13:25:17,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 13:25:17,346 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 96 [2023-04-01 13:25:17,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:25:17,380 INFO L225 Difference]: With dead ends: 8533 [2023-04-01 13:25:17,380 INFO L226 Difference]: Without dead ends: 4283 [2023-04-01 13:25:17,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-04-01 13:25:17,396 INFO L413 NwaCegarLoop]: 2737 mSDtfsCounter, 0 mSDsluCounter, 8202 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10939 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-01 13:25:17,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10939 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-01 13:25:17,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4283 states. [2023-04-01 13:25:17,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4283 to 4283. [2023-04-01 13:25:17,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4283 states, 2462 states have (on average 1.2538586515028431) internal successors, (3087), 2545 states have internal predecessors, (3087), 1275 states have call successors, (1275), 566 states have call predecessors, (1275), 545 states have return successors, (1261), 1202 states have call predecessors, (1261), 1240 states have call successors, (1261) [2023-04-01 13:25:17,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4283 states to 4283 states and 5623 transitions. [2023-04-01 13:25:17,642 INFO L78 Accepts]: Start accepts. Automaton has 4283 states and 5623 transitions. Word has length 96 [2023-04-01 13:25:17,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:25:17,642 INFO L495 AbstractCegarLoop]: Abstraction has 4283 states and 5623 transitions. [2023-04-01 13:25:17,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 13:25:17,642 INFO L276 IsEmpty]: Start isEmpty. Operand 4283 states and 5623 transitions. [2023-04-01 13:25:17,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-04-01 13:25:17,646 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:25:17,646 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 13:25:17,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 13:25:17,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 13:25:17,860 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:25:17,860 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:25:17,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1878381192, now seen corresponding path program 2 times [2023-04-01 13:25:17,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:25:17,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048941112] [2023-04-01 13:25:17,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:25:17,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:25:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:25:18,416 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-04-01 13:25:18,417 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:25:18,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048941112] [2023-04-01 13:25:18,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048941112] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 13:25:18,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427031624] [2023-04-01 13:25:18,417 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-04-01 13:25:18,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 13:25:18,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 13:25:18,418 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 13:25:18,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 13:25:19,440 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-04-01 13:25:19,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-04-01 13:25:19,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 3355 conjuncts, 13 conjunts are in the unsatisfiable core [2023-04-01 13:25:19,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 13:25:19,510 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-04-01 13:25:19,511 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 13:25:19,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427031624] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:25:19,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 13:25:19,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2023-04-01 13:25:19,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545617647] [2023-04-01 13:25:19,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:25:19,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 13:25:19,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:25:19,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 13:25:19,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-04-01 13:25:19,513 INFO L87 Difference]: Start difference. First operand 4283 states and 5623 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-01 13:25:21,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 13:25:23,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:25:23,992 INFO L93 Difference]: Finished difference Result 8325 states and 10934 transitions. [2023-04-01 13:25:23,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 13:25:23,993 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) Word has length 99 [2023-04-01 13:25:23,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:25:24,014 INFO L225 Difference]: With dead ends: 8325 [2023-04-01 13:25:24,014 INFO L226 Difference]: Without dead ends: 4261 [2023-04-01 13:25:24,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-04-01 13:25:24,033 INFO L413 NwaCegarLoop]: 2735 mSDtfsCounter, 6 mSDsluCounter, 10908 mSDsCounter, 0 mSdLazyCounter, 1315 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 13643 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1315 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-04-01 13:25:24,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 13643 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1315 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2023-04-01 13:25:24,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4261 states. [2023-04-01 13:25:24,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4261 to 4261. [2023-04-01 13:25:24,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4261 states, 2452 states have (on average 1.25326264274062) internal successors, (3073), 2533 states have internal predecessors, (3073), 1266 states have call successors, (1266), 563 states have call predecessors, (1266), 542 states have return successors, (1252), 1193 states have call predecessors, (1252), 1231 states have call successors, (1252) [2023-04-01 13:25:24,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 4261 states and 5591 transitions. [2023-04-01 13:25:24,317 INFO L78 Accepts]: Start accepts. Automaton has 4261 states and 5591 transitions. Word has length 99 [2023-04-01 13:25:24,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:25:24,317 INFO L495 AbstractCegarLoop]: Abstraction has 4261 states and 5591 transitions. [2023-04-01 13:25:24,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-01 13:25:24,317 INFO L276 IsEmpty]: Start isEmpty. Operand 4261 states and 5591 transitions. [2023-04-01 13:25:24,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-04-01 13:25:24,322 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:25:24,322 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 13:25:24,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-01 13:25:24,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-04-01 13:25:24,546 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:25:24,547 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:25:24,547 INFO L85 PathProgramCache]: Analyzing trace with hash 271396518, now seen corresponding path program 1 times [2023-04-01 13:25:24,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:25:24,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085104785] [2023-04-01 13:25:24,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:25:24,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:25:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:25:25,197 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-01 13:25:25,198 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:25:25,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085104785] [2023-04-01 13:25:25,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085104785] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 13:25:25,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683495089] [2023-04-01 13:25:25,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:25:25,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 13:25:25,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 13:25:25,200 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 13:25:25,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process