/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 06:06:33,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 06:06:33,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 06:06:33,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 06:06:33,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 06:06:33,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 06:06:33,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 06:06:33,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 06:06:33,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 06:06:33,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 06:06:33,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 06:06:33,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 06:06:33,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 06:06:33,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 06:06:33,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 06:06:33,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 06:06:33,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 06:06:33,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 06:06:33,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 06:06:33,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 06:06:33,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 06:06:33,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 06:06:33,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 06:06:33,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 06:06:33,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 06:06:33,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 06:06:33,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 06:06:33,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 06:06:33,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 06:06:33,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 06:06:33,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 06:06:33,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 06:06:33,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 06:06:33,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 06:06:33,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 06:06:33,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 06:06:33,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 06:06:33,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 06:06:33,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 06:06:33,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 06:06:33,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 06:06:33,404 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 [2023-04-03 06:06:33,436 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 06:06:33,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 06:06:33,437 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 06:06:33,437 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 06:06:33,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 06:06:33,438 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 06:06:33,438 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 06:06:33,438 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 06:06:33,438 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 06:06:33,438 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 06:06:33,439 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 06:06:33,439 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 06:06:33,439 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 06:06:33,439 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 06:06:33,439 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 06:06:33,439 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 06:06:33,439 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 06:06:33,439 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 06:06:33,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 06:06:33,440 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 06:06:33,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 06:06:33,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 06:06:33,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 06:06:33,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 06:06:33,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 06:06:33,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 06:06:33,441 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 06:06:33,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 06:06:33,442 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 06:06:33,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 06:06:33,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 06:06:33,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 06:06:33,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 06:06:33,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 06:06:33,443 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 06:06:33,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 06:06:33,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 06:06:33,443 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 06:06:33,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 06:06:33,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 06:06:33,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 06:06:33,443 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 06:06:33,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 06:06:33,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 06:06:33,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 06:06:33,764 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 06:06:33,765 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 06:06:33,767 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-04-03 06:06:35,227 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 06:06:35,869 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 06:06:35,870 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-04-03 06:06:35,928 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a66e1658/72bbd3406e2d47448234e1a61039794c/FLAGe8dfbfd8a [2023-04-03 06:06:35,949 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a66e1658/72bbd3406e2d47448234e1a61039794c [2023-04-03 06:06:35,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 06:06:35,954 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 06:06:35,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 06:06:35,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 06:06:35,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 06:06:35,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 06:06:35" (1/1) ... [2023-04-03 06:06:35,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac07165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:06:35, skipping insertion in model container [2023-04-03 06:06:35,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 06:06:35" (1/1) ... [2023-04-03 06:06:35,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 06:06:36,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 06:06:40,197 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[323188,323201] [2023-04-03 06:06:40,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 06:06:40,665 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 06:06:41,194 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[323188,323201] [2023-04-03 06:06:41,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 06:06:41,431 WARN L667 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 06:06:41,432 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 06:06:41,432 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 06:06:41,439 INFO L208 MainTranslator]: Completed translation [2023-04-03 06:06:41,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:06:41 WrapperNode [2023-04-03 06:06:41,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 06:06:41,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 06:06:41,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 06:06:41,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 06:06:41,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:06:41" (1/1) ... [2023-04-03 06:06:41,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:06:41" (1/1) ... [2023-04-03 06:06:41,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:06:41" (1/1) ... [2023-04-03 06:06:41,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:06:41" (1/1) ... [2023-04-03 06:06:41,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:06:41" (1/1) ... [2023-04-03 06:06:41,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:06:41" (1/1) ... [2023-04-03 06:06:41,822 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:06:41" (1/1) ... [2023-04-03 06:06:41,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:06:41" (1/1) ... [2023-04-03 06:06:41,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 06:06:41,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 06:06:41,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 06:06:41,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 06:06:41,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:06:41" (1/1) ... [2023-04-03 06:06:41,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 06:06:41,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:06:41,955 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) [2023-04-03 06:06:41,964 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 [2023-04-03 06:06:41,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 06:06:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 06:06:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 06:06:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-03 06:06:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-04-03 06:06:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 06:06:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-04-03 06:06:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-04-03 06:06:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-04-03 06:06:41,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-03 06:06:41,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-04-03 06:06:41,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-04-03 06:06:41,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~bool~0 [2023-04-03 06:06:41,998 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 06:06:41,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-04-03 06:06:41,998 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 06:06:41,998 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-03 06:06:41,998 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-04-03 06:06:41,998 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-04-03 06:06:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2023-04-03 06:06:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-04-03 06:06:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 06:06:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 06:06:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 06:06:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-03 06:06:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-03 06:06:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 06:06:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 06:06:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 06:06:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 06:06:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 06:06:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 06:06:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 06:06:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-04-03 06:06:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-04-03 06:06:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2023-04-03 06:06:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 06:06:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 06:06:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-03 06:06:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-04-03 06:06:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-04-03 06:06:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-04-03 06:06:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-04-03 06:06:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 06:06:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2023-04-03 06:06:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-04-03 06:06:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2023-04-03 06:06:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-04-03 06:06:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-04-03 06:06:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2023-04-03 06:06:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2023-04-03 06:06:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2023-04-03 06:06:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2023-04-03 06:06:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-04-03 06:06:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 06:06:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-03 06:06:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-03 06:06:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2023-04-03 06:06:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure device_enable_async_suspend [2023-04-03 06:06:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-04-03 06:06:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-04-03 06:06:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-03 06:06:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-04-03 06:06:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-04-03 06:06:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-04-03 06:06:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-03 06:06:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2023-04-03 06:06:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_int_must_check_helper [2023-04-03 06:06:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_init [2023-04-03 06:06:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_exit [2023-04-03 06:06:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_disconnect [2023-04-03 06:06:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2023-04-03 06:06:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_minors [2023-04-03 06:06:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure release_minors [2023-04-03 06:06:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2023-04-03 06:06:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2023-04-03 06:06:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2023-04-03 06:06:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2023-04-03 06:06:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2023-04-03 06:06:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2023-04-03 06:06:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2023-04-03 06:06:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_close [2023-04-03 06:06:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2023-04-03 06:06:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2023-04-03 06:06:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2023-04-03 06:06:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2023-04-03 06:06:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2023-04-03 06:06:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2023-04-03 06:06:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2023-04-03 06:06:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2023-04-03 06:06:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2023-04-03 06:06:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2023-04-03 06:06:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_show [2023-04-03 06:06:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2023-04-03 06:06:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2023-04-03 06:06:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2023-04-03 06:06:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2023-04-03 06:06:42,007 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2023-04-03 06:06:42,007 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_work [2023-04-03 06:06:42,007 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2023-04-03 06:06:42,007 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_unpoison_urbs [2023-04-03 06:06:42,007 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_release [2023-04-03 06:06:42,007 INFO L138 BoogieDeclarations]: Found implementation of procedure create_serial [2023-04-03 06:06:42,007 INFO L138 BoogieDeclarations]: Found implementation of procedure match_dynamic_id [2023-04-03 06:06:42,007 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2023-04-03 06:06:42,007 INFO L138 BoogieDeclarations]: Found implementation of procedure search_serial_device [2023-04-03 06:06:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2023-04-03 06:06:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2023-04-03 06:06:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure port_number_show [2023-04-03 06:06:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2023-04-03 06:06:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2023-04-03 06:06:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2023-04-03 06:06:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2023-04-03 06:06:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2023-04-03 06:06:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2023-04-03 06:06:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_init [2023-04-03 06:06:42,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_exit [2023-04-03 06:06:42,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_operations_init [2023-04-03 06:06:42,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2023-04-03 06:06:42,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2023-04-03 06:06:42,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register_drivers [2023-04-03 06:06:42,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2023-04-03 06:06:42,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2023-04-03 06:06:42,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_9 [2023-04-03 06:06:42,009 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-04-03 06:06:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_tty_operations_6 [2023-04-03 06:06:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2023-04-03 06:06:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2023-04-03 06:06:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-04-03 06:06:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2023-04-03 06:06:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_operations_7 [2023-04-03 06:06:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-04-03 06:06:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 06:06:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-03 06:06:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2023-04-03 06:06:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2023-04-03 06:06:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2023-04-03 06:06:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2023-04-03 06:06:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2023-04-03 06:06:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2023-04-03 06:06:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2023-04-03 06:06:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2023-04-03 06:06:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2023-04-03 06:06:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2023-04-03 06:06:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_15 [2023-04-03 06:06:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2023-04-03 06:06:42,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2023-04-03 06:06:42,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2023-04-03 06:06:42,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2023-04-03 06:06:42,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_20 [2023-04-03 06:06:42,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_21 [2023-04-03 06:06:42,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2023-04-03 06:06:42,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2023-04-03 06:06:42,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2023-04-03 06:06:42,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2023-04-03 06:06:42,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_26 [2023-04-03 06:06:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2023-04-03 06:06:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2023-04-03 06:06:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2023-04-03 06:06:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2023-04-03 06:06:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2023-04-03 06:06:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2023-04-03 06:06:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_33 [2023-04-03 06:06:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_34 [2023-04-03 06:06:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_35 [2023-04-03 06:06:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2023-04-03 06:06:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_37 [2023-04-03 06:06:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_38 [2023-04-03 06:06:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_39 [2023-04-03 06:06:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_40 [2023-04-03 06:06:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_41 [2023-04-03 06:06:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_42 [2023-04-03 06:06:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_43 [2023-04-03 06:06:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_44 [2023-04-03 06:06:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_45 [2023-04-03 06:06:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_46 [2023-04-03 06:06:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_47 [2023-04-03 06:06:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_48 [2023-04-03 06:06:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_49 [2023-04-03 06:06:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_50 [2023-04-03 06:06:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_51 [2023-04-03 06:06:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 06:06:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2023-04-03 06:06:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-04-03 06:06:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit_lock [2023-04-03 06:06:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-04-03 06:06:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 06:06:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-04-03 06:06:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-03 06:06:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2023-04-03 06:06:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-03 06:06:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-03 06:06:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 06:06:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2023-04-03 06:06:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-04-03 06:06:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2023-04-03 06:06:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure flag_buf_ptr [2023-04-03 06:06:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2023-04-03 06:06:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2023-04-03 06:06:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2023-04-03 06:06:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2023-04-03 06:06:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2023-04-03 06:06:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_register [2023-04-03 06:06:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_deregister [2023-04-03 06:06:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_open [2023-04-03 06:06:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_close [2023-04-03 06:06:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_prepare_write_buffer [2023-04-03 06:06:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2023-04-03 06:06:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2023-04-03 06:06:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_room [2023-04-03 06:06:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_chars_in_buffer [2023-04-03 06:06:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_wait_until_sent [2023-04-03 06:06:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2023-04-03 06:06:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2023-04-03 06:06:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_process_read_urb [2023-04-03 06:06:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2023-04-03 06:06:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_bulk_callback [2023-04-03 06:06:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2023-04-03 06:06:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2023-04-03 06:06:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_msr_changed [2023-04-03 06:06:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2023-04-03 06:06:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2023-04-03 06:06:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_sysrq_char [2023-04-03 06:06:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_break [2023-04-03 06:06:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_dcd_change [2023-04-03 06:06:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2023-04-03 06:06:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_4 [2023-04-03 06:06:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_4 [2023-04-03 06:06:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_103 [2023-04-03 06:06:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_104 [2023-04-03 06:06:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_105 [2023-04-03 06:06:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_106 [2023-04-03 06:06:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_107 [2023-04-03 06:06:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_108 [2023-04-03 06:06:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_109 [2023-04-03 06:06:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_110 [2023-04-03 06:06:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_111 [2023-04-03 06:06:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_112 [2023-04-03 06:06:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_113 [2023-04-03 06:06:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_114 [2023-04-03 06:06:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2023-04-03 06:06:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2023-04-03 06:06:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2023-04-03 06:06:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2023-04-03 06:06:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2023-04-03 06:06:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dynids [2023-04-03 06:06:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_bus_register [2023-04-03 06:06:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_bus_deregister [2023-04-03 06:06:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_attribute_3 [2023-04-03 06:06:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bus_type_2 [2023-04-03 06:06:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2023-04-03 06:06:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_2 [2023-04-03 06:06:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-04-03 06:06:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_131 [2023-04-03 06:06:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_132 [2023-04-03 06:06:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_133 [2023-04-03 06:06:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_134 [2023-04-03 06:06:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_135 [2023-04-03 06:06:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_136 [2023-04-03 06:06:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_137 [2023-04-03 06:06:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_138 [2023-04-03 06:06:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_139 [2023-04-03 06:06:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_140 [2023-04-03 06:06:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_141 [2023-04-03 06:06:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_142 [2023-04-03 06:06:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_register_device_143 [2023-04-03 06:06:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_unregister_device_144 [2023-04-03 06:06:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 06:06:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 06:06:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 06:06:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 06:06:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 06:06:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 06:06:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_disc_mutex_of_usb_serial [2023-04-03 06:06:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_disc_mutex_of_usb_serial [2023-04-03 06:06:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2023-04-03 06:06:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_disc_mutex_of_usb_serial [2023-04-03 06:06:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_disc_mutex_of_usb_serial [2023-04-03 06:06:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_disc_mutex_of_usb_serial [2023-04-03 06:06:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2023-04-03 06:06:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_disc_mutex_of_usb_serial [2023-04-03 06:06:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_disc_mutex_of_usb_serial [2023-04-03 06:06:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_disc_mutex_of_usb_serial [2023-04-03 06:06:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_disc_mutex_of_usb_serial [2023-04-03 06:06:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2023-04-03 06:06:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2023-04-03 06:06:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2023-04-03 06:06:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2023-04-03 06:06:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-04-03 06:06:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2023-04-03 06:06:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2023-04-03 06:06:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2023-04-03 06:06:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2023-04-03 06:06:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2023-04-03 06:06:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2023-04-03 06:06:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2023-04-03 06:06:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2023-04-03 06:06:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-04-03 06:06:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-04-03 06:06:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-03 06:06:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-04-03 06:06:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-04-03 06:06:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2023-04-03 06:06:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2023-04-03 06:06:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2023-04-03 06:06:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2023-04-03 06:06:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-03 06:06:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-03 06:06:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-04-03 06:06:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-04-03 06:06:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-03 06:06:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-03 06:06:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-04-03 06:06:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2023-04-03 06:06:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2023-04-03 06:06:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-04-03 06:06:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2023-04-03 06:06:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_table_lock [2023-04-03 06:06:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_table_lock [2023-04-03 06:06:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2023-04-03 06:06:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_table_lock [2023-04-03 06:06:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_table_lock [2023-04-03 06:06:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_table_lock [2023-04-03 06:06:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2023-04-03 06:06:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_table_lock [2023-04-03 06:06:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_table_lock [2023-04-03 06:06:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_table_lock [2023-04-03 06:06:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_table_lock [2023-04-03 06:06:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 06:06:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-03 06:06:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-04-03 06:06:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-03 06:06:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_alloc [2023-04-03 06:06:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_free [2023-04-03 06:06:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in [2023-04-03 06:06:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in_r [2023-04-03 06:06:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_max_r [2023-04-03 06:06:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2023-04-03 06:06:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out_r [2023-04-03 06:06:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-03 06:06:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-04-03 06:06:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-03 06:06:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 06:06:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __tty_alloc_driver [2023-04-03 06:06:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-03 06:06:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-03 06:06:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 06:06:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-03 06:06:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-03 06:06:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 06:06:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-03 06:06:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 06:06:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_register [2023-04-03 06:06:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2023-04-03 06:06:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-04-03 06:06:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-04-03 06:06:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-03 06:06:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2023-04-03 06:06:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-03 06:06:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2023-04-03 06:06:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2023-04-03 06:06:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2023-04-03 06:06:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2023-04-03 06:06:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_register [2023-04-03 06:06:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-04-03 06:06:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2023-04-03 06:06:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-03 06:06:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-04-03 06:06:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_sysrq [2023-04-03 06:06:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2023-04-03 06:06:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2023-04-03 06:06:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-04-03 06:06:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-04-03 06:06:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destruct_7 [2023-04-03 06:06:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 06:06:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_4 [2023-04-03 06:06:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2023-04-03 06:06:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_5 [2023-04-03 06:06:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_4 [2023-04-03 06:06:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-04-03 06:06:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-03 06:06:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-04-03 06:06:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-04-03 06:06:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-04-03 06:06:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 06:06:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-04-03 06:06:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 06:06:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2023-04-03 06:06:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-04-03 06:06:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-04-03 06:06:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-03 06:06:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-04-03 06:06:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2023-04-03 06:06:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2023-04-03 06:06:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-04-03 06:06:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2023-04-03 06:06:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2023-04-03 06:06:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-04-03 06:06:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-04-03 06:06:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-04-03 06:06:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2023-04-03 06:06:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2023-04-03 06:06:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2023-04-03 06:06:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2023-04-03 06:06:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_flags [2023-04-03 06:06:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2023-04-03 06:06:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_ldisc_deref [2023-04-03 06:06:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_ldisc_ref [2023-04-03 06:06:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_close [2023-04-03 06:06:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2023-04-03 06:06:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_hangup [2023-04-03 06:06:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_init [2023-04-03 06:06:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_install [2023-04-03 06:06:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_open [2023-04-03 06:06:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2023-04-03 06:06:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2023-04-03 06:06:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_device [2023-04-03 06:06:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_driver [2023-04-03 06:06:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2023-04-03 06:06:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2023-04-03 06:06:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_copy_hw [2023-04-03 06:06:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2023-04-03 06:06:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2023-04-03 06:06:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_vhangup [2023-04-03 06:06:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-04-03 06:06:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2023-04-03 06:06:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-04-03 06:06:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-03 06:06:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2023-04-03 06:06:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-04-03 06:06:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2023-04-03 06:06:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2023-04-03 06:06:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-03 06:06:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_id [2023-04-03 06:06:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2023-04-03 06:06:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2023-04-03 06:06:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2023-04-03 06:06:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2023-04-03 06:06:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-03 06:06:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_show_dynids [2023-04-03 06:06:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2023-04-03 06:06:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-04-03 06:06:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2023-04-03 06:06:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-04-03 06:06:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 06:06:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 06:06:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 06:06:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 06:06:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 06:06:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 06:06:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 06:06:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 06:06:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 06:06:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 06:06:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 06:06:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 06:06:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 06:06:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-04-03 06:06:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 06:06:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 06:06:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 06:06:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 06:06:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 06:06:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-04-03 06:06:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-03 06:06:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-03 06:06:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-03 06:06:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 06:06:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-03 06:06:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 06:06:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-03 06:06:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-04-03 06:06:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 06:06:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-04-03 06:06:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 06:06:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-04-03 06:06:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 06:06:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-03 06:06:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-04-03 06:06:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-04-03 06:06:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2023-04-03 06:06:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-04-03 06:06:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-03 06:06:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-03 06:06:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-04-03 06:06:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_15 [2023-04-03 06:06:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 06:06:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2023-04-03 06:06:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2023-04-03 06:06:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2023-04-03 06:06:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2023-04-03 06:06:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_20 [2023-04-03 06:06:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2023-04-03 06:06:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2023-04-03 06:06:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2023-04-03 06:06:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_26 [2023-04-03 06:06:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2023-04-03 06:06:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2023-04-03 06:06:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2023-04-03 06:06:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_33 [2023-04-03 06:06:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_34 [2023-04-03 06:06:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2023-04-03 06:06:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_37 [2023-04-03 06:06:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_38 [2023-04-03 06:06:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_40 [2023-04-03 06:06:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_46 [2023-04-03 06:06:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_48 [2023-04-03 06:06:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 06:06:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 06:06:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 06:06:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 06:06:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 06:06:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 06:06:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 06:06:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 06:06:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 06:06:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-03 06:06:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-03 06:06:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 06:06:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 06:06:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 06:06:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 06:06:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-04-03 06:06:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2023-04-03 06:06:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2023-04-03 06:06:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2023-04-03 06:06:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2023-04-03 06:06:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2023-04-03 06:06:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_21 [2023-04-03 06:06:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2023-04-03 06:06:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2023-04-03 06:06:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2023-04-03 06:06:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2023-04-03 06:06:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_35 [2023-04-03 06:06:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_39 [2023-04-03 06:06:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_45 [2023-04-03 06:06:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_47 [2023-04-03 06:06:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2023-04-03 06:06:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2023-04-03 06:06:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2023-04-03 06:06:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2023-04-03 06:06:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-04-03 06:06:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-04-03 06:06:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-04-03 06:06:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-04-03 06:06:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-04-03 06:06:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2023-04-03 06:06:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2023-04-03 06:06:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 06:06:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 06:06:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 06:06:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 06:06:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 06:06:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 06:06:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-03 06:06:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-04-03 06:06:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-03 06:06:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-03 06:06:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2023-04-03 06:06:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2023-04-03 06:06:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-04-03 06:06:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2023-04-03 06:06:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2023-04-03 06:06:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-04-03 06:06:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2023-04-03 06:06:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-04-03 06:06:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_41 [2023-04-03 06:06:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-04-03 06:06:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-04-03 06:06:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2023-04-03 06:06:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2023-04-03 06:06:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-04-03 06:06:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2023-04-03 06:06:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 06:06:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 06:06:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 06:06:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 06:06:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 06:06:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-03 06:06:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2023-04-03 06:06:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_9 [2023-04-03 06:06:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_4 [2023-04-03 06:06:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-04-03 06:06:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_tty_operations_6 [2023-04-03 06:06:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2023-04-03 06:06:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2023-04-03 06:06:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-04-03 06:06:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2023-04-03 06:06:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_attribute_3 [2023-04-03 06:06:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_operations_7 [2023-04-03 06:06:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bus_type_2 [2023-04-03 06:06:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-04-03 06:06:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-04-03 06:06:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-04-03 06:06:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-04-03 06:06:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 06:06:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-04-03 06:06:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 06:06:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure __tty_alloc_driver [2023-04-03 06:06:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-04-03 06:06:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2023-04-03 06:06:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2023-04-03 06:06:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2023-04-03 06:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2023-04-03 06:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2023-04-03 06:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure tty_vhangup [2023-04-03 06:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_copy_hw [2023-04-03 06:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_init [2023-04-03 06:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2023-04-03 06:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2023-04-03 06:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_hangup [2023-04-03 06:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2023-04-03 06:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_close [2023-04-03 06:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_install [2023-04-03 06:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_open [2023-04-03 06:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2023-04-03 06:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-04-03 06:06:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-04-03 06:06:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2023-04-03 06:06:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2023-04-03 06:06:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2023-04-03 06:06:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-04-03 06:06:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-04-03 06:06:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-04-03 06:06:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-04-03 06:06:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2023-04-03 06:06:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-04-03 06:06:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-04-03 06:06:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2023-04-03 06:06:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2023-04-03 06:06:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2023-04-03 06:06:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2023-04-03 06:06:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-04-03 06:06:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure bus_register [2023-04-03 06:06:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2023-04-03 06:06:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 06:06:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2023-04-03 06:06:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-03 06:06:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-03 06:06:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2023-04-03 06:06:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure device_enable_async_suspend [2023-04-03 06:06:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2023-04-03 06:06:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2023-04-03 06:06:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2023-04-03 06:06:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2023-04-03 06:06:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2023-04-03 06:06:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-03 06:06:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-03 06:06:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-03 06:06:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-04-03 06:06:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-04-03 06:06:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2023-04-03 06:06:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2023-04-03 06:06:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-03 06:06:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2023-04-03 06:06:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2023-04-03 06:06:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2023-04-03 06:06:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-04-03 06:06:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_id [2023-04-03 06:06:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2023-04-03 06:06:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-04-03 06:06:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-03 06:06:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_42 [2023-04-03 06:06:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_49 [2023-04-03 06:06:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-03 06:06:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_43 [2023-04-03 06:06:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_44 [2023-04-03 06:06:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_50 [2023-04-03 06:06:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_51 [2023-04-03 06:06:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2023-04-03 06:06:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-04-03 06:06:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-04-03 06:06:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-04-03 06:06:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-04-03 06:06:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2023-04-03 06:06:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2023-04-03 06:06:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-03 06:06:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2023-04-03 06:06:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_int_must_check_helper [2023-04-03 06:06:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_alloc [2023-04-03 06:06:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2023-04-03 06:06:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register_drivers [2023-04-03 06:06:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2023-04-03 06:06:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2023-04-03 06:06:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2023-04-03 06:06:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2023-04-03 06:06:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_init [2023-04-03 06:06:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_exit [2023-04-03 06:06:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_disconnect [2023-04-03 06:06:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2023-04-03 06:06:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2023-04-03 06:06:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_open [2023-04-03 06:06:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2023-04-03 06:06:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_close [2023-04-03 06:06:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2023-04-03 06:06:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_room [2023-04-03 06:06:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_chars_in_buffer [2023-04-03 06:06:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_wait_until_sent [2023-04-03 06:06:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2023-04-03 06:06:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_bulk_callback [2023-04-03 06:06:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_register [2023-04-03 06:06:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_deregister [2023-04-03 06:06:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_process_read_urb [2023-04-03 06:06:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_prepare_write_buffer [2023-04-03 06:06:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_bus_register [2023-04-03 06:06:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_bus_deregister [2023-04-03 06:06:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_minors [2023-04-03 06:06:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure release_minors [2023-04-03 06:06:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2023-04-03 06:06:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2023-04-03 06:06:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2023-04-03 06:06:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-03 06:06:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2023-04-03 06:06:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2023-04-03 06:06:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2023-04-03 06:06:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure serial_close [2023-04-03 06:06:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2023-04-03 06:06:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2023-04-03 06:06:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-04-03 06:06:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2023-04-03 06:06:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 06:06:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2023-04-03 06:06:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2023-04-03 06:06:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-04-03 06:06:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2023-04-03 06:06:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2023-04-03 06:06:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2023-04-03 06:06:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-04-03 06:06:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-04-03 06:06:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2023-04-03 06:06:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-03 06:06:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2023-04-03 06:06:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_show [2023-04-03 06:06:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2023-04-03 06:06:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2023-04-03 06:06:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2023-04-03 06:06:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2023-04-03 06:06:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_work [2023-04-03 06:06:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2023-04-03 06:06:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_unpoison_urbs [2023-04-03 06:06:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_release [2023-04-03 06:06:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure create_serial [2023-04-03 06:06:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure match_dynamic_id [2023-04-03 06:06:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2023-04-03 06:06:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure search_serial_device [2023-04-03 06:06:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2023-04-03 06:06:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2023-04-03 06:06:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure port_number_show [2023-04-03 06:06:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2023-04-03 06:06:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2023-04-03 06:06:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-04-03 06:06:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2023-04-03 06:06:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2023-04-03 06:06:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_init [2023-04-03 06:06:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_exit [2023-04-03 06:06:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_operations_init [2023-04-03 06:06:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2023-04-03 06:06:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2023-04-03 06:06:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_5 [2023-04-03 06:06:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destruct_7 [2023-04-03 06:06:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 06:06:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 06:06:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2023-04-03 06:06:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_2 [2023-04-03 06:06:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_4 [2023-04-03 06:06:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 06:06:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 06:06:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2023-04-03 06:06:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-04-03 06:06:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit_lock [2023-04-03 06:06:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-04-03 06:06:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 06:06:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-04-03 06:06:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2023-04-03 06:06:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-04-03 06:06:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-03 06:06:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-03 06:06:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_113 [2023-04-03 06:06:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_108 [2023-04-03 06:06:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_111 [2023-04-03 06:06:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_114 [2023-04-03 06:06:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_109 [2023-04-03 06:06:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_110 [2023-04-03 06:06:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_112 [2023-04-03 06:06:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2023-04-03 06:06:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-03 06:06:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-03 06:06:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-03 06:06:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 06:06:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-03 06:06:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-03 06:06:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 06:06:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-04-03 06:06:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-04-03 06:06:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-03 06:06:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_103 [2023-04-03 06:06:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_105 [2023-04-03 06:06:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_104 [2023-04-03 06:06:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_107 [2023-04-03 06:06:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_106 [2023-04-03 06:06:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2023-04-03 06:06:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-04-03 06:06:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2023-04-03 06:06:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-04-03 06:06:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure handle_sysrq [2023-04-03 06:06:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2023-04-03 06:06:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure flag_buf_ptr [2023-04-03 06:06:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2023-04-03 06:06:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2023-04-03 06:06:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2023-04-03 06:06:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure tty_ldisc_ref [2023-04-03 06:06:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure tty_ldisc_deref [2023-04-03 06:06:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_flags [2023-04-03 06:06:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2023-04-03 06:06:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2023-04-03 06:06:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2023-04-03 06:06:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2023-04-03 06:06:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-04-03 06:06:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-03 06:06:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2023-04-03 06:06:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2023-04-03 06:06:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2023-04-03 06:06:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in_r [2023-04-03 06:06:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2023-04-03 06:06:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_max_r [2023-04-03 06:06:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2023-04-03 06:06:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2023-04-03 06:06:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2023-04-03 06:06:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2023-04-03 06:06:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2023-04-03 06:06:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2023-04-03 06:06:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_sysrq_char [2023-04-03 06:06:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_break [2023-04-03 06:06:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_dcd_change [2023-04-03 06:06:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2023-04-03 06:06:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-04-03 06:06:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~bool~0 [2023-04-03 06:06:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2023-04-03 06:06:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_msr_changed [2023-04-03 06:06:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2023-04-03 06:06:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_4 [2023-04-03 06:06:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_4 [2023-04-03 06:06:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 06:06:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-04-03 06:06:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_141 [2023-04-03 06:06:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_136 [2023-04-03 06:06:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_139 [2023-04-03 06:06:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_142 [2023-04-03 06:06:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_137 [2023-04-03 06:06:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_138 [2023-04-03 06:06:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_140 [2023-04-03 06:06:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_131 [2023-04-03 06:06:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_133 [2023-04-03 06:06:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_132 [2023-04-03 06:06:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_135 [2023-04-03 06:06:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_134 [2023-04-03 06:06:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_device [2023-04-03 06:06:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_register_device_143 [2023-04-03 06:06:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2023-04-03 06:06:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_unregister_device_144 [2023-04-03 06:06:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2023-04-03 06:06:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-04-03 06:06:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2023-04-03 06:06:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure usb_show_dynids [2023-04-03 06:06:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2023-04-03 06:06:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2023-04-03 06:06:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2023-04-03 06:06:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2023-04-03 06:06:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2023-04-03 06:06:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure free_dynids [2023-04-03 06:06:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 06:06:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 06:06:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 06:06:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 06:06:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_disc_mutex_of_usb_serial [2023-04-03 06:06:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_disc_mutex_of_usb_serial [2023-04-03 06:06:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_disc_mutex_of_usb_serial [2023-04-03 06:06:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_disc_mutex_of_usb_serial [2023-04-03 06:06:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_disc_mutex_of_usb_serial [2023-04-03 06:06:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_disc_mutex_of_usb_serial [2023-04-03 06:06:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_disc_mutex_of_usb_serial [2023-04-03 06:06:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_disc_mutex_of_usb_serial [2023-04-03 06:06:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_disc_mutex_of_usb_serial [2023-04-03 06:06:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2023-04-03 06:06:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2023-04-03 06:06:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2023-04-03 06:06:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-04-03 06:06:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2023-04-03 06:06:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2023-04-03 06:06:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2023-04-03 06:06:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2023-04-03 06:06:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2023-04-03 06:06:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2023-04-03 06:06:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2023-04-03 06:06:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-04-03 06:06:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-03 06:06:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-04-03 06:06:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2023-04-03 06:06:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2023-04-03 06:06:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2023-04-03 06:06:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2023-04-03 06:06:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-03 06:06:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-03 06:06:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-03 06:06:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-03 06:06:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2023-04-03 06:06:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2023-04-03 06:06:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-04-03 06:06:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2023-04-03 06:06:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_table_lock [2023-04-03 06:06:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_table_lock [2023-04-03 06:06:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_table_lock [2023-04-03 06:06:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_table_lock [2023-04-03 06:06:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_table_lock [2023-04-03 06:06:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_table_lock [2023-04-03 06:06:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_table_lock [2023-04-03 06:06:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_table_lock [2023-04-03 06:06:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_table_lock [2023-04-03 06:06:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 06:06:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 06:06:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-03 06:06:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 06:06:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 06:06:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 06:06:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 06:06:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 06:06:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 06:06:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 06:06:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 06:06:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 06:06:43,236 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 06:06:43,245 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 06:06:51,242 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 06:06:56,098 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 06:06:57,761 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 06:06:57,762 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-03 06:06:57,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 06:06:57 BoogieIcfgContainer [2023-04-03 06:06:57,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 06:06:57,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 06:06:57,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 06:06:57,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 06:06:57,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 06:06:35" (1/3) ... [2023-04-03 06:06:57,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7cc8b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 06:06:57, skipping insertion in model container [2023-04-03 06:06:57,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:06:41" (2/3) ... [2023-04-03 06:06:57,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7cc8b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 06:06:57, skipping insertion in model container [2023-04-03 06:06:57,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 06:06:57" (3/3) ... [2023-04-03 06:06:57,781 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-04-03 06:06:57,800 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 06:06:57,800 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 06:06:57,922 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 06:06:57,929 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;@4d2406ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 06:06:57,930 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 06:06:57,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 3209 states, 1848 states have (on average 1.2792207792207793) internal successors, (2364), 1943 states have internal predecessors, (2364), 918 states have call successors, (918), 355 states have call predecessors, (918), 354 states have return successors, (906), 883 states have call predecessors, (906), 906 states have call successors, (906) [2023-04-03 06:06:57,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-04-03 06:06:57,987 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:06:57,988 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:06:57,988 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:06:57,994 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:06:57,995 INFO L85 PathProgramCache]: Analyzing trace with hash -102833513, now seen corresponding path program 1 times [2023-04-03 06:06:58,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:06:58,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288115764] [2023-04-03 06:06:58,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:06:58,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:06:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:06:59,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-04-03 06:06:59,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:06:59,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288115764] [2023-04-03 06:06:59,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288115764] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:06:59,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:06:59,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:06:59,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013862151] [2023-04-03 06:06:59,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:06:59,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:06:59,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:06:59,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:06:59,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:06:59,599 INFO L87 Difference]: Start difference. First operand has 3209 states, 1848 states have (on average 1.2792207792207793) internal successors, (2364), 1943 states have internal predecessors, (2364), 918 states have call successors, (918), 355 states have call predecessors, (918), 354 states have return successors, (906), 883 states have call predecessors, (906), 906 states have call successors, (906) Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 06:07:02,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:07:03,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:07:05,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:07:05,604 INFO L93 Difference]: Finished difference Result 8474 states and 11699 transitions. [2023-04-03 06:07:05,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:07:05,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 268 [2023-04-03 06:07:05,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:07:05,657 INFO L225 Difference]: With dead ends: 8474 [2023-04-03 06:07:05,658 INFO L226 Difference]: Without dead ends: 5619 [2023-04-03 06:07:05,682 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 [2023-04-03 06:07:05,686 INFO L413 NwaCegarLoop]: 3578 mSDtfsCounter, 3811 mSDsluCounter, 3416 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3811 SdHoareTripleChecker+Valid, 6994 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-04-03 06:07:05,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3811 Valid, 6994 Invalid, 704 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-04-03 06:07:05,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5619 states. [2023-04-03 06:07:06,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5619 to 5590. [2023-04-03 06:07:06,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5590 states, 3299 states have (on average 1.2855410730524401) internal successors, (4241), 3433 states have internal predecessors, (4241), 1613 states have call successors, (1613), 680 states have call predecessors, (1613), 677 states have return successors, (1682), 1557 states have call predecessors, (1682), 1602 states have call successors, (1682) [2023-04-03 06:07:06,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5590 states to 5590 states and 7536 transitions. [2023-04-03 06:07:06,080 INFO L78 Accepts]: Start accepts. Automaton has 5590 states and 7536 transitions. Word has length 268 [2023-04-03 06:07:06,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:07:06,084 INFO L495 AbstractCegarLoop]: Abstraction has 5590 states and 7536 transitions. [2023-04-03 06:07:06,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 06:07:06,086 INFO L276 IsEmpty]: Start isEmpty. Operand 5590 states and 7536 transitions. [2023-04-03 06:07:06,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-04-03 06:07:06,096 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:07:06,096 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:07:06,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 06:07:06,098 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:07:06,098 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:07:06,098 INFO L85 PathProgramCache]: Analyzing trace with hash -246542676, now seen corresponding path program 1 times [2023-04-03 06:07:06,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:07:06,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867638515] [2023-04-03 06:07:06,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:07:06,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:07:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:07:06,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-04-03 06:07:06,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:07:06,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867638515] [2023-04-03 06:07:06,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867638515] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:07:06,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:07:06,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:07:06,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248200810] [2023-04-03 06:07:06,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:07:06,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:07:06,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:07:06,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:07:06,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:07:06,957 INFO L87 Difference]: Start difference. First operand 5590 states and 7536 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 06:07:11,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:07:11,855 INFO L93 Difference]: Finished difference Result 16043 states and 21554 transitions. [2023-04-03 06:07:11,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:07:11,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 275 [2023-04-03 06:07:11,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:07:11,942 INFO L225 Difference]: With dead ends: 16043 [2023-04-03 06:07:11,942 INFO L226 Difference]: Without dead ends: 10511 [2023-04-03 06:07:11,978 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 [2023-04-03 06:07:11,979 INFO L413 NwaCegarLoop]: 3486 mSDtfsCounter, 3430 mSDsluCounter, 3314 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3430 SdHoareTripleChecker+Valid, 6800 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-04-03 06:07:11,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3430 Valid, 6800 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-04-03 06:07:11,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10511 states. [2023-04-03 06:07:12,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10511 to 10491. [2023-04-03 06:07:12,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10491 states, 6169 states have (on average 1.2807586318690225) internal successors, (7901), 6425 states have internal predecessors, (7901), 3020 states have call successors, (3020), 1304 states have call predecessors, (3020), 1301 states have return successors, (3153), 2918 states have call predecessors, (3153), 3009 states have call successors, (3153) [2023-04-03 06:07:12,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10491 states to 10491 states and 14074 transitions. [2023-04-03 06:07:12,698 INFO L78 Accepts]: Start accepts. Automaton has 10491 states and 14074 transitions. Word has length 275 [2023-04-03 06:07:12,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:07:12,704 INFO L495 AbstractCegarLoop]: Abstraction has 10491 states and 14074 transitions. [2023-04-03 06:07:12,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 06:07:12,705 INFO L276 IsEmpty]: Start isEmpty. Operand 10491 states and 14074 transitions. [2023-04-03 06:07:12,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2023-04-03 06:07:12,709 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:07:12,710 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:07:12,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 06:07:12,710 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:07:12,711 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:07:12,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1818193255, now seen corresponding path program 1 times [2023-04-03 06:07:12,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:07:12,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558383064] [2023-04-03 06:07:12,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:07:12,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:07:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:07:13,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-04-03 06:07:13,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:07:13,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558383064] [2023-04-03 06:07:13,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558383064] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:07:13,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:07:13,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:07:13,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720829054] [2023-04-03 06:07:13,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:07:13,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:07:13,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:07:13,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:07:13,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:07:13,523 INFO L87 Difference]: Start difference. First operand 10491 states and 14074 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 06:07:19,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:07:19,290 INFO L93 Difference]: Finished difference Result 30149 states and 40590 transitions. [2023-04-03 06:07:19,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:07:19,298 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 279 [2023-04-03 06:07:19,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:07:19,422 INFO L225 Difference]: With dead ends: 30149 [2023-04-03 06:07:19,422 INFO L226 Difference]: Without dead ends: 19716 [2023-04-03 06:07:19,474 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 [2023-04-03 06:07:19,479 INFO L413 NwaCegarLoop]: 5696 mSDtfsCounter, 3524 mSDsluCounter, 3364 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3524 SdHoareTripleChecker+Valid, 9060 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-04-03 06:07:19,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3524 Valid, 9060 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-04-03 06:07:19,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19716 states. [2023-04-03 06:07:20,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19716 to 19675. [2023-04-03 06:07:20,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19675 states, 11564 states have (on average 1.279488066413006) internal successors, (14796), 12058 states have internal predecessors, (14796), 5636 states have call successors, (5636), 2487 states have call predecessors, (5636), 2474 states have return successors, (6117), 5429 states have call predecessors, (6117), 5625 states have call successors, (6117) [2023-04-03 06:07:20,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19675 states to 19675 states and 26549 transitions. [2023-04-03 06:07:20,509 INFO L78 Accepts]: Start accepts. Automaton has 19675 states and 26549 transitions. Word has length 279 [2023-04-03 06:07:20,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:07:20,511 INFO L495 AbstractCegarLoop]: Abstraction has 19675 states and 26549 transitions. [2023-04-03 06:07:20,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 06:07:20,511 INFO L276 IsEmpty]: Start isEmpty. Operand 19675 states and 26549 transitions. [2023-04-03 06:07:20,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2023-04-03 06:07:20,515 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:07:20,515 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:07:20,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 06:07:20,516 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:07:20,516 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:07:20,516 INFO L85 PathProgramCache]: Analyzing trace with hash -148496793, now seen corresponding path program 1 times [2023-04-03 06:07:20,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:07:20,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107662455] [2023-04-03 06:07:20,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:07:20,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:07:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:07:21,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-04-03 06:07:21,403 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:07:21,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107662455] [2023-04-03 06:07:21,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107662455] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:07:21,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:07:21,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:07:21,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228274798] [2023-04-03 06:07:21,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:07:21,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:07:21,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:07:21,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:07:21,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:07:21,405 INFO L87 Difference]: Start difference. First operand 19675 states and 26549 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 06:07:27,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:07:27,205 INFO L93 Difference]: Finished difference Result 57321 states and 77397 transitions. [2023-04-03 06:07:27,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:07:27,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 287 [2023-04-03 06:07:27,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:07:27,457 INFO L225 Difference]: With dead ends: 57321 [2023-04-03 06:07:27,457 INFO L226 Difference]: Without dead ends: 37704 [2023-04-03 06:07:27,552 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 [2023-04-03 06:07:27,555 INFO L413 NwaCegarLoop]: 3903 mSDtfsCounter, 3639 mSDsluCounter, 3173 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3639 SdHoareTripleChecker+Valid, 7076 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-04-03 06:07:27,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3639 Valid, 7076 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-04-03 06:07:27,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37704 states. [2023-04-03 06:07:29,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37704 to 37698. [2023-04-03 06:07:29,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37698 states, 22233 states have (on average 1.2813835289884405) internal successors, (28489), 23182 states have internal predecessors, (28489), 10727 states have call successors, (10727), 4752 states have call predecessors, (10727), 4737 states have return successors, (11684), 10351 states have call predecessors, (11684), 10716 states have call successors, (11684) [2023-04-03 06:07:29,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37698 states to 37698 states and 50900 transitions. [2023-04-03 06:07:29,559 INFO L78 Accepts]: Start accepts. Automaton has 37698 states and 50900 transitions. Word has length 287 [2023-04-03 06:07:29,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:07:29,559 INFO L495 AbstractCegarLoop]: Abstraction has 37698 states and 50900 transitions. [2023-04-03 06:07:29,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 06:07:29,560 INFO L276 IsEmpty]: Start isEmpty. Operand 37698 states and 50900 transitions. [2023-04-03 06:07:29,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2023-04-03 06:07:29,566 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:07:29,567 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:07:29,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 06:07:29,567 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:07:29,567 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:07:29,567 INFO L85 PathProgramCache]: Analyzing trace with hash -384682687, now seen corresponding path program 1 times [2023-04-03 06:07:29,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:07:29,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150597274] [2023-04-03 06:07:29,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:07:29,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:07:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:07:30,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-04-03 06:07:30,732 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:07:30,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150597274] [2023-04-03 06:07:30,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150597274] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:07:30,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:07:30,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:07:30,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608599407] [2023-04-03 06:07:30,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:07:30,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:07:30,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:07:30,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:07:30,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:07:30,734 INFO L87 Difference]: Start difference. First operand 37698 states and 50900 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 06:07:34,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:07:37,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:07:37,954 INFO L93 Difference]: Finished difference Result 110116 states and 151547 transitions. [2023-04-03 06:07:37,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:07:37,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 299 [2023-04-03 06:07:37,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:07:38,540 INFO L225 Difference]: With dead ends: 110116 [2023-04-03 06:07:38,540 INFO L226 Difference]: Without dead ends: 72476 [2023-04-03 06:07:38,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:07:38,957 INFO L413 NwaCegarLoop]: 3731 mSDtfsCounter, 3726 mSDsluCounter, 3291 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3726 SdHoareTripleChecker+Valid, 7022 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-04-03 06:07:38,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3726 Valid, 7022 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-04-03 06:07:39,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72476 states. [2023-04-03 06:07:42,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72476 to 72208. [2023-04-03 06:07:42,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72208 states, 42854 states have (on average 1.2850609044663275) internal successors, (55070), 44754 states have internal predecessors, (55070), 20378 states have call successors, (20378), 9123 states have call predecessors, (20378), 8975 states have return successors, (23656), 19422 states have call predecessors, (23656), 20356 states have call successors, (23656) [2023-04-03 06:07:43,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72208 states to 72208 states and 99104 transitions. [2023-04-03 06:07:43,227 INFO L78 Accepts]: Start accepts. Automaton has 72208 states and 99104 transitions. Word has length 299 [2023-04-03 06:07:43,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:07:43,229 INFO L495 AbstractCegarLoop]: Abstraction has 72208 states and 99104 transitions. [2023-04-03 06:07:43,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 06:07:43,230 INFO L276 IsEmpty]: Start isEmpty. Operand 72208 states and 99104 transitions. [2023-04-03 06:07:43,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2023-04-03 06:07:43,234 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:07:43,235 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:07:43,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 06:07:43,235 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:07:43,235 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:07:43,235 INFO L85 PathProgramCache]: Analyzing trace with hash 957983745, now seen corresponding path program 1 times [2023-04-03 06:07:43,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:07:43,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556102492] [2023-04-03 06:07:43,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:07:43,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:07:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:07:43,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-04-03 06:07:43,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:07:43,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556102492] [2023-04-03 06:07:43,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556102492] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:07:43,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:07:43,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:07:43,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411862039] [2023-04-03 06:07:43,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:07:43,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:07:43,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:07:43,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:07:43,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:07:43,885 INFO L87 Difference]: Start difference. First operand 72208 states and 99104 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 06:07:46,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:07:48,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:07:48,984 INFO L93 Difference]: Finished difference Result 72210 states and 99105 transitions. [2023-04-03 06:07:48,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:07:48,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 300 [2023-04-03 06:07:48,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:07:49,825 INFO L225 Difference]: With dead ends: 72210 [2023-04-03 06:07:49,825 INFO L226 Difference]: Without dead ends: 72207 [2023-04-03 06:07:49,869 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 [2023-04-03 06:07:49,871 INFO L413 NwaCegarLoop]: 3484 mSDtfsCounter, 3743 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3743 SdHoareTripleChecker+Valid, 3485 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-04-03 06:07:49,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3743 Valid, 3485 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-04-03 06:07:49,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72207 states. [2023-04-03 06:07:53,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72207 to 72207. [2023-04-03 06:07:53,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72207 states, 42854 states have (on average 1.2850375694217575) internal successors, (55069), 44753 states have internal predecessors, (55069), 20377 states have call successors, (20377), 9123 states have call predecessors, (20377), 8975 states have return successors, (23656), 19422 states have call predecessors, (23656), 20356 states have call successors, (23656) [2023-04-03 06:07:54,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72207 states to 72207 states and 99102 transitions. [2023-04-03 06:07:54,173 INFO L78 Accepts]: Start accepts. Automaton has 72207 states and 99102 transitions. Word has length 300 [2023-04-03 06:07:54,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:07:54,174 INFO L495 AbstractCegarLoop]: Abstraction has 72207 states and 99102 transitions. [2023-04-03 06:07:54,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 06:07:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 72207 states and 99102 transitions. [2023-04-03 06:07:54,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2023-04-03 06:07:54,179 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:07:54,179 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:07:54,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 06:07:54,180 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:07:54,180 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:07:54,180 INFO L85 PathProgramCache]: Analyzing trace with hash -369024956, now seen corresponding path program 1 times [2023-04-03 06:07:54,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:07:54,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018638686] [2023-04-03 06:07:54,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:07:54,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:07:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:07:55,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-04-03 06:07:55,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:07:55,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018638686] [2023-04-03 06:07:55,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018638686] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:07:55,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:07:55,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:07:55,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32812560] [2023-04-03 06:07:55,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:07:55,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:07:55,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:07:55,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:07:55,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:07:55,017 INFO L87 Difference]: Start difference. First operand 72207 states and 99102 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 06:07:57,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:07:59,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:07:59,876 INFO L93 Difference]: Finished difference Result 72209 states and 99103 transitions. [2023-04-03 06:07:59,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:07:59,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 301 [2023-04-03 06:07:59,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:08:00,414 INFO L225 Difference]: With dead ends: 72209 [2023-04-03 06:08:00,414 INFO L226 Difference]: Without dead ends: 72206 [2023-04-03 06:08:00,467 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 [2023-04-03 06:08:00,469 INFO L413 NwaCegarLoop]: 3482 mSDtfsCounter, 3740 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3740 SdHoareTripleChecker+Valid, 3483 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-04-03 06:08:00,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3740 Valid, 3483 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-04-03 06:08:00,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72206 states. [2023-04-03 06:08:03,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72206 to 72206. [2023-04-03 06:08:03,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72206 states, 42854 states have (on average 1.2850142343771878) internal successors, (55068), 44752 states have internal predecessors, (55068), 20376 states have call successors, (20376), 9123 states have call predecessors, (20376), 8975 states have return successors, (23656), 19422 states have call predecessors, (23656), 20356 states have call successors, (23656) [2023-04-03 06:08:04,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72206 states to 72206 states and 99100 transitions. [2023-04-03 06:08:04,163 INFO L78 Accepts]: Start accepts. Automaton has 72206 states and 99100 transitions. Word has length 301 [2023-04-03 06:08:04,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:08:04,163 INFO L495 AbstractCegarLoop]: Abstraction has 72206 states and 99100 transitions. [2023-04-03 06:08:04,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 06:08:04,164 INFO L276 IsEmpty]: Start isEmpty. Operand 72206 states and 99100 transitions. [2023-04-03 06:08:04,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2023-04-03 06:08:04,400 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:08:04,400 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:08:04,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 06:08:04,400 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:08:04,401 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:08:04,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1443383140, now seen corresponding path program 1 times [2023-04-03 06:08:04,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:08:04,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608617357] [2023-04-03 06:08:04,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:08:04,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:08:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:08:05,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-04-03 06:08:05,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:08:05,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608617357] [2023-04-03 06:08:05,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608617357] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:08:05,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:08:05,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:08:05,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826679624] [2023-04-03 06:08:05,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:08:05,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:08:05,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:08:05,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:08:05,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:08:05,075 INFO L87 Difference]: Start difference. First operand 72206 states and 99100 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 06:08:09,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:08:09,196 INFO L93 Difference]: Finished difference Result 72208 states and 99101 transitions. [2023-04-03 06:08:09,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:08:09,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 302 [2023-04-03 06:08:09,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:08:09,914 INFO L225 Difference]: With dead ends: 72208 [2023-04-03 06:08:09,914 INFO L226 Difference]: Without dead ends: 72205 [2023-04-03 06:08:09,969 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 [2023-04-03 06:08:09,971 INFO L413 NwaCegarLoop]: 3480 mSDtfsCounter, 3737 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3737 SdHoareTripleChecker+Valid, 3481 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-03 06:08:09,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3737 Valid, 3481 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-03 06:08:10,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72205 states. [2023-04-03 06:08:13,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72205 to 72205. [2023-04-03 06:08:13,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72205 states, 42854 states have (on average 1.2849908993326178) internal successors, (55067), 44751 states have internal predecessors, (55067), 20375 states have call successors, (20375), 9123 states have call predecessors, (20375), 8975 states have return successors, (23656), 19422 states have call predecessors, (23656), 20356 states have call successors, (23656) [2023-04-03 06:08:13,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72205 states to 72205 states and 99098 transitions. [2023-04-03 06:08:13,772 INFO L78 Accepts]: Start accepts. Automaton has 72205 states and 99098 transitions. Word has length 302 [2023-04-03 06:08:13,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:08:13,773 INFO L495 AbstractCegarLoop]: Abstraction has 72205 states and 99098 transitions. [2023-04-03 06:08:13,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 06:08:13,773 INFO L276 IsEmpty]: Start isEmpty. Operand 72205 states and 99098 transitions. [2023-04-03 06:08:13,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2023-04-03 06:08:13,782 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:08:13,782 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:08:13,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 06:08:13,782 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:08:13,783 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:08:13,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1793464135, now seen corresponding path program 1 times [2023-04-03 06:08:13,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:08:13,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684640067] [2023-04-03 06:08:13,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:08:13,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:08:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:08:15,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-04-03 06:08:15,242 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:08:15,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684640067] [2023-04-03 06:08:15,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684640067] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:08:15,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:08:15,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-03 06:08:15,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367602514] [2023-04-03 06:08:15,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:08:15,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-03 06:08:15,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:08:15,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-03 06:08:15,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-03 06:08:15,244 INFO L87 Difference]: Start difference. First operand 72205 states and 99098 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 4 states have call successors, (38), 4 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-03 06:08:21,908 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 [] [2023-04-03 06:08:27,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:08:27,381 INFO L93 Difference]: Finished difference Result 74531 states and 101548 transitions. [2023-04-03 06:08:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 06:08:27,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 4 states have call successors, (38), 4 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 303 [2023-04-03 06:08:27,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:08:27,781 INFO L225 Difference]: With dead ends: 74531 [2023-04-03 06:08:27,781 INFO L226 Difference]: Without dead ends: 74444 [2023-04-03 06:08:27,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-03 06:08:27,835 INFO L413 NwaCegarLoop]: 1341 mSDtfsCounter, 4086 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 2963 mSolverCounterSat, 2699 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4220 SdHoareTripleChecker+Valid, 1661 SdHoareTripleChecker+Invalid, 5663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2699 IncrementalHoareTripleChecker+Valid, 2963 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-04-03 06:08:27,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4220 Valid, 1661 Invalid, 5663 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2699 Valid, 2963 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2023-04-03 06:08:27,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74444 states. [2023-04-03 06:08:31,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74444 to 74404. [2023-04-03 06:08:31,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74404 states, 44086 states have (on average 1.281086966383886) internal successors, (56478), 46014 states have internal predecessors, (56478), 20810 states have call successors, (20810), 9674 states have call predecessors, (20810), 9507 states have return successors, (24070), 19833 states have call predecessors, (24070), 20770 states have call successors, (24070) [2023-04-03 06:08:32,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74404 states to 74404 states and 101358 transitions. [2023-04-03 06:08:32,270 INFO L78 Accepts]: Start accepts. Automaton has 74404 states and 101358 transitions. Word has length 303 [2023-04-03 06:08:32,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:08:32,271 INFO L495 AbstractCegarLoop]: Abstraction has 74404 states and 101358 transitions. [2023-04-03 06:08:32,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 4 states have call successors, (38), 4 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-03 06:08:32,271 INFO L276 IsEmpty]: Start isEmpty. Operand 74404 states and 101358 transitions. [2023-04-03 06:08:32,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2023-04-03 06:08:32,280 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:08:32,281 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:08:32,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 06:08:32,281 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:08:32,281 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:08:32,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1110424472, now seen corresponding path program 1 times [2023-04-03 06:08:32,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:08:32,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922628306] [2023-04-03 06:08:32,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:08:32,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:08:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:08:33,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2023-04-03 06:08:33,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:08:33,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922628306] [2023-04-03 06:08:33,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922628306] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:08:33,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:08:33,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:08:33,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909034802] [2023-04-03 06:08:33,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:08:33,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:08:33,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:08:33,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:08:33,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:08:33,142 INFO L87 Difference]: Start difference. First operand 74404 states and 101358 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2023-04-03 06:08:40,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:08:46,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:08:46,641 INFO L93 Difference]: Finished difference Result 221876 states and 302122 transitions. [2023-04-03 06:08:46,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:08:46,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 376 [2023-04-03 06:08:46,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:08:47,550 INFO L225 Difference]: With dead ends: 221876 [2023-04-03 06:08:47,551 INFO L226 Difference]: Without dead ends: 147530 [2023-04-03 06:08:47,861 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 [2023-04-03 06:08:47,862 INFO L413 NwaCegarLoop]: 3904 mSDtfsCounter, 3715 mSDsluCounter, 3381 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3715 SdHoareTripleChecker+Valid, 7285 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-04-03 06:08:47,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3715 Valid, 7285 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-04-03 06:08:48,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147530 states. [2023-04-03 06:08:55,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147530 to 147502. [2023-04-03 06:08:56,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147502 states, 87382 states have (on average 1.2806985420338284) internal successors, (111910), 91196 states have internal predecessors, (111910), 41218 states have call successors, (41218), 19226 states have call predecessors, (41218), 18901 states have return successors, (47658), 39315 states have call predecessors, (47658), 41154 states have call successors, (47658) [2023-04-03 06:08:57,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147502 states to 147502 states and 200786 transitions. [2023-04-03 06:08:57,198 INFO L78 Accepts]: Start accepts. Automaton has 147502 states and 200786 transitions. Word has length 376 [2023-04-03 06:08:57,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:08:57,199 INFO L495 AbstractCegarLoop]: Abstraction has 147502 states and 200786 transitions. [2023-04-03 06:08:57,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2023-04-03 06:08:57,199 INFO L276 IsEmpty]: Start isEmpty. Operand 147502 states and 200786 transitions. [2023-04-03 06:08:57,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2023-04-03 06:08:57,208 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:08:57,208 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:08:57,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 06:08:57,209 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:08:57,209 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:08:57,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1393563918, now seen corresponding path program 1 times [2023-04-03 06:08:57,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:08:57,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053040504] [2023-04-03 06:08:57,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:08:57,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:08:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:08:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2023-04-03 06:08:58,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:08:58,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053040504] [2023-04-03 06:08:58,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053040504] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:08:58,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:08:58,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:08:58,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983640072] [2023-04-03 06:08:58,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:08:58,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:08:58,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:08:58,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:08:58,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:08:58,341 INFO L87 Difference]: Start difference. First operand 147502 states and 200786 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2023-04-03 06:09:01,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:09:07,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:09:07,082 INFO L93 Difference]: Finished difference Result 226711 states and 307616 transitions. [2023-04-03 06:09:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:09:07,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 399 [2023-04-03 06:09:07,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:09:07,554 INFO L225 Difference]: With dead ends: 226711 [2023-04-03 06:09:07,554 INFO L226 Difference]: Without dead ends: 79267 [2023-04-03 06:09:07,990 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 [2023-04-03 06:09:07,991 INFO L413 NwaCegarLoop]: 3471 mSDtfsCounter, 3798 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3798 SdHoareTripleChecker+Valid, 3476 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-04-03 06:09:07,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3798 Valid, 3476 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-04-03 06:09:08,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79267 states. [2023-04-03 06:09:12,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79267 to 76092. [2023-04-03 06:09:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76092 states, 44889 states have (on average 1.2775290160172872) internal successors, (57347), 46827 states have internal predecessors, (57347), 21257 states have call successors, (21257), 10132 states have call predecessors, (21257), 9945 states have return successors, (24449), 20258 states have call predecessors, (24449), 21193 states have call successors, (24449) [2023-04-03 06:09:12,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76092 states to 76092 states and 103053 transitions. [2023-04-03 06:09:12,722 INFO L78 Accepts]: Start accepts. Automaton has 76092 states and 103053 transitions. Word has length 399 [2023-04-03 06:09:12,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:09:12,723 INFO L495 AbstractCegarLoop]: Abstraction has 76092 states and 103053 transitions. [2023-04-03 06:09:12,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2023-04-03 06:09:12,723 INFO L276 IsEmpty]: Start isEmpty. Operand 76092 states and 103053 transitions. [2023-04-03 06:09:12,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2023-04-03 06:09:12,731 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:09:12,732 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:09:12,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 06:09:12,732 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:09:12,732 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:09:12,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1459431647, now seen corresponding path program 1 times [2023-04-03 06:09:12,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:09:12,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10828301] [2023-04-03 06:09:12,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:09:12,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:09:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:09:13,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1252 trivial. 0 not checked. [2023-04-03 06:09:13,970 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:09:13,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10828301] [2023-04-03 06:09:13,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10828301] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:09:13,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:09:13,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:09:13,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093862034] [2023-04-03 06:09:13,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:09:13,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:09:13,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:09:13,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:09:13,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:09:13,973 INFO L87 Difference]: Start difference. First operand 76092 states and 103053 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2023-04-03 06:09:19,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:09:19,485 INFO L93 Difference]: Finished difference Result 76098 states and 103057 transitions. [2023-04-03 06:09:19,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:09:19,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 422 [2023-04-03 06:09:19,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:09:19,980 INFO L225 Difference]: With dead ends: 76098 [2023-04-03 06:09:19,980 INFO L226 Difference]: Without dead ends: 75999 [2023-04-03 06:09:20,013 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 [2023-04-03 06:09:20,014 INFO L413 NwaCegarLoop]: 3500 mSDtfsCounter, 320 mSDsluCounter, 3257 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 6757 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-04-03 06:09:20,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 6757 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-04-03 06:09:20,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75999 states. [2023-04-03 06:09:23,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75999 to 75995. [2023-04-03 06:09:23,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75995 states, 44873 states have (on average 1.276357720678359) internal successors, (57274), 46794 states have internal predecessors, (57274), 21192 states have call successors, (21192), 10084 states have call predecessors, (21192), 9929 states have return successors, (24433), 20242 states have call predecessors, (24433), 21177 states have call successors, (24433) [2023-04-03 06:09:24,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75995 states to 75995 states and 102899 transitions. [2023-04-03 06:09:24,385 INFO L78 Accepts]: Start accepts. Automaton has 75995 states and 102899 transitions. Word has length 422 [2023-04-03 06:09:24,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:09:24,386 INFO L495 AbstractCegarLoop]: Abstraction has 75995 states and 102899 transitions. [2023-04-03 06:09:24,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2023-04-03 06:09:24,387 INFO L276 IsEmpty]: Start isEmpty. Operand 75995 states and 102899 transitions. [2023-04-03 06:09:24,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2023-04-03 06:09:24,403 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:09:24,403 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 12, 12, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:09:24,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-03 06:09:24,403 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:09:24,404 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:09:24,404 INFO L85 PathProgramCache]: Analyzing trace with hash 2080329205, now seen corresponding path program 1 times [2023-04-03 06:09:24,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:09:24,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650109269] [2023-04-03 06:09:24,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:09:24,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:09:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:09:26,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1828 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1828 trivial. 0 not checked. [2023-04-03 06:09:26,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:09:26,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650109269] [2023-04-03 06:09:26,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650109269] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:09:26,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:09:26,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:09:26,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928163715] [2023-04-03 06:09:26,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:09:26,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:09:26,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:09:26,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:09:26,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:09:26,220 INFO L87 Difference]: Start difference. First operand 75995 states and 102899 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (56), 3 states have call predecessors, (56), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-04-03 06:09:34,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:09:34,200 INFO L93 Difference]: Finished difference Result 151448 states and 206422 transitions. [2023-04-03 06:09:34,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:09:34,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (56), 3 states have call predecessors, (56), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 439 [2023-04-03 06:09:34,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:09:34,706 INFO L225 Difference]: With dead ends: 151448 [2023-04-03 06:09:34,706 INFO L226 Difference]: Without dead ends: 75951 [2023-04-03 06:09:34,925 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 [2023-04-03 06:09:34,925 INFO L413 NwaCegarLoop]: 6573 mSDtfsCounter, 3588 mSDsluCounter, 3368 mSDsCounter, 0 mSdLazyCounter, 968 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3588 SdHoareTripleChecker+Valid, 9941 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-04-03 06:09:34,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3588 Valid, 9941 Invalid, 969 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 968 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-04-03 06:09:34,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75951 states. [2023-04-03 06:09:38,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75951 to 75587. [2023-04-03 06:09:38,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75587 states, 44671 states have (on average 1.2759956123659646) internal successors, (57000), 46562 states have internal predecessors, (57000), 21005 states have call successors, (21005), 9951 states have call predecessors, (21005), 9910 states have return successors, (23350), 20199 states have call predecessors, (23350), 20948 states have call successors, (23350) [2023-04-03 06:09:39,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75587 states to 75587 states and 101355 transitions. [2023-04-03 06:09:39,184 INFO L78 Accepts]: Start accepts. Automaton has 75587 states and 101355 transitions. Word has length 439 [2023-04-03 06:09:39,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:09:39,184 INFO L495 AbstractCegarLoop]: Abstraction has 75587 states and 101355 transitions. [2023-04-03 06:09:39,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (56), 3 states have call predecessors, (56), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-04-03 06:09:39,185 INFO L276 IsEmpty]: Start isEmpty. Operand 75587 states and 101355 transitions. [2023-04-03 06:09:39,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2023-04-03 06:09:39,206 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:09:39,206 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:09:39,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-03 06:09:39,206 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:09:39,207 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:09:39,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1511426461, now seen corresponding path program 1 times [2023-04-03 06:09:39,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:09:39,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601267962] [2023-04-03 06:09:39,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:09:39,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:09:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:09:40,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1845 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1839 trivial. 0 not checked. [2023-04-03 06:09:40,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:09:40,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601267962] [2023-04-03 06:09:40,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601267962] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:09:40,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:09:40,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:09:40,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2657955] [2023-04-03 06:09:40,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:09:40,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:09:40,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:09:40,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:09:40,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:09:40,056 INFO L87 Difference]: Start difference. First operand 75587 states and 101355 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51)