/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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 04:50:25,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 04:50:25,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 04:50:25,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 04:50:25,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 04:50:25,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 04:50:25,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 04:50:25,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 04:50:25,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 04:50:25,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 04:50:25,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 04:50:25,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 04:50:25,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 04:50:25,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 04:50:25,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 04:50:25,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 04:50:25,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 04:50:25,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 04:50:25,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 04:50:25,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 04:50:25,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 04:50:25,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 04:50:25,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 04:50:25,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 04:50:25,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 04:50:25,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 04:50:25,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 04:50:25,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 04:50:25,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 04:50:25,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 04:50:25,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 04:50:25,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 04:50:25,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 04:50:25,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 04:50:25,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 04:50:25,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 04:50:25,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 04:50:25,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 04:50:25,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 04:50:25,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 04:50:25,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 04:50:25,420 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 04:50:25,443 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 04:50:25,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 04:50:25,443 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 04:50:25,443 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 04:50:25,444 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 04:50:25,444 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 04:50:25,444 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 04:50:25,444 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 04:50:25,444 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 04:50:25,444 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 04:50:25,445 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 04:50:25,445 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 04:50:25,445 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 04:50:25,445 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 04:50:25,445 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 04:50:25,445 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 04:50:25,445 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 04:50:25,446 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 04:50:25,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 04:50:25,446 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 04:50:25,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 04:50:25,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 04:50:25,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 04:50:25,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 04:50:25,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 04:50:25,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 04:50:25,447 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 04:50:25,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 04:50:25,447 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 04:50:25,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 04:50:25,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 04:50:25,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 04:50:25,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 04:50:25,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 04:50:25,448 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 04:50:25,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 04:50:25,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 04:50:25,448 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 04:50:25,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 04:50:25,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 04:50:25,448 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 04:50:25,448 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 04:50:25,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 04:50:25,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 04:50:25,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 04:50:25,605 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 04:50:25,606 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 04:50:25,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i [2023-04-03 04:50:26,500 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 04:50:26,994 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 04:50:26,994 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i [2023-04-03 04:50:27,040 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96ae98110/bbf4b79fe8ad4e569e493149020637dc/FLAGeba02bafc [2023-04-03 04:50:27,053 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96ae98110/bbf4b79fe8ad4e569e493149020637dc [2023-04-03 04:50:27,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 04:50:27,057 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 04:50:27,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 04:50:27,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 04:50:27,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 04:50:27,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 04:50:27" (1/1) ... [2023-04-03 04:50:27,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e3c54bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:50:27, skipping insertion in model container [2023-04-03 04:50:27,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 04:50:27" (1/1) ... [2023-04-03 04:50:27,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 04:50:27,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 04:50:27,953 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i[205376,205389] [2023-04-03 04:50:28,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 04:50:28,811 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 04:50:28,961 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i[205376,205389] [2023-04-03 04:50:29,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 04:50:29,192 WARN L667 CHandler]: The function __VERIFIER_nondet_u16 is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 04:50:29,193 WARN L667 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 04:50:29,193 WARN L667 CHandler]: The function __VERIFIER_nondet_u32 is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 04:50:29,197 INFO L208 MainTranslator]: Completed translation [2023-04-03 04:50:29,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:50:29 WrapperNode [2023-04-03 04:50:29,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 04:50:29,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 04:50:29,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 04:50:29,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 04:50:29,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:50:29" (1/1) ... [2023-04-03 04:50:29,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:50:29" (1/1) ... [2023-04-03 04:50:29,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:50:29" (1/1) ... [2023-04-03 04:50:29,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:50:29" (1/1) ... [2023-04-03 04:50:29,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:50:29" (1/1) ... [2023-04-03 04:50:29,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:50:29" (1/1) ... [2023-04-03 04:50:29,508 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:50:29" (1/1) ... [2023-04-03 04:50:29,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:50:29" (1/1) ... [2023-04-03 04:50:29,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 04:50:29,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 04:50:29,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 04:50:29,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 04:50:29,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:50:29" (1/1) ... [2023-04-03 04:50:29,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 04:50:29,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 04:50:29,594 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 04:50:29,614 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 04:50:29,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 04:50:29,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 04:50:29,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 04:50:29,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-04-03 04:50:29,626 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 04:50:29,626 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2023-04-03 04:50:29,626 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-03 04:50:29,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 04:50:29,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 04:50:29,626 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-04-03 04:50:29,626 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-04-03 04:50:29,626 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-04-03 04:50:29,626 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-04-03 04:50:29,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 04:50:29,626 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 04:50:29,626 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-03 04:50:29,626 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-03 04:50:29,626 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-04-03 04:50:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2023-04-03 04:50:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-04-03 04:50:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2023-04-03 04:50:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-04-03 04:50:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2023-04-03 04:50:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_queue_mapping [2023-04-03 04:50:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_queue_mapping [2023-04-03 04:50:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 04:50:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 04:50:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 04:50:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 04:50:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 04:50:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 04:50:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 04:50:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 04:50:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 04:50:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-04-03 04:50:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-04-03 04:50:29,628 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-03 04:50:29,628 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2023-04-03 04:50:29,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2023-04-03 04:50:29,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-04-03 04:50:29,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-03 04:50:29,628 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-04-03 04:50:29,629 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-04-03 04:50:29,629 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-04-03 04:50:29,629 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2023-04-03 04:50:29,629 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-04-03 04:50:29,629 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_random_addr [2023-04-03 04:50:29,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_morefrags [2023-04-03 04:50:29,629 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wiphy_dev [2023-04-03 04:50:29,629 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2023-04-03 04:50:29,629 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2023-04-03 04:50:29,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_info_clear_status [2023-04-03 04:50:29,630 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_DEV [2023-04-03 04:50:29,630 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2023-04-03 04:50:29,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2023-04-03 04:50:29,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2023-04-03 04:50:29,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2023-04-03 04:50:29,630 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8_idx [2023-04-03 04:50:29,630 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2023-04-03 04:50:29,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16_idx [2023-04-03 04:50:29,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2023-04-03 04:50:29,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32_idx [2023-04-03 04:50:29,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2023-04-03 04:50:29,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8_idx [2023-04-03 04:50:29,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2023-04-03 04:50:29,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16_idx [2023-04-03 04:50:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2023-04-03 04:50:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32_idx [2023-04-03 04:50:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2023-04-03 04:50:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_iowrite_async_cb [2023-04-03 04:50:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_iowrite_async [2023-04-03 04:50:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32_async [2023-04-03 04:50:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_write_phy [2023-04-03 04:50:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_tx_cb [2023-04-03 04:50:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_tx [2023-04-03 04:50:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_rx_cb [2023-04-03 04:50:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_init_urbs [2023-04-03 04:50:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187b_status_cb [2023-04-03 04:50:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187b_init_status_urb [2023-04-03 04:50:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_set_anaparam [2023-04-03 04:50:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_cmd_reset [2023-04-03 04:50:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_init_hw [2023-04-03 04:50:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187b_init_hw [2023-04-03 04:50:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_work [2023-04-03 04:50:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_start [2023-04-03 04:50:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_stop [2023-04-03 04:50:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_get_tsf [2023-04-03 04:50:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_beacon_work [2023-04-03 04:50:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_add_interface [2023-04-03 04:50:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_remove_interface [2023-04-03 04:50:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_config [2023-04-03 04:50:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_conf_erp [2023-04-03 04:50:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_bss_info_changed [2023-04-03 04:50:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_prepare_multicast [2023-04-03 04:50:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_configure_filter [2023-04-03 04:50:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_conf_tx [2023-04-03 04:50:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_eeprom_register_read [2023-04-03 04:50:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_eeprom_register_write [2023-04-03 04:50:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_probe [2023-04-03 04:50:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_disconnect [2023-04-03 04:50:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_driver_init [2023-04-03 04:50:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_driver_exit [2023-04-03 04:50:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ieee80211_ops_5 [2023-04-03 04:50:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_4 [2023-04-03 04:50:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 04:50:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2023-04-03 04:50:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2023-04-03 04:50:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2023-04-03 04:50:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2023-04-03 04:50:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2023-04-03 04:50:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_12 [2023-04-03 04:50:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2023-04-03 04:50:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_14 [2023-04-03 04:50:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_15 [2023-04-03 04:50:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2023-04-03 04:50:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_17 [2023-04-03 04:50:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_18 [2023-04-03 04:50:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_19 [2023-04-03 04:50:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_20 [2023-04-03 04:50:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2023-04-03 04:50:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2023-04-03 04:50:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_bitbang [2023-04-03 04:50:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_8051 [2023-04-03 04:50:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2023-04-03 04:50:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2023-04-03 04:50:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2023-04-03 04:50:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2023-04-03 04:50:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2023-04-03 04:50:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_b_rf_set_tx_power [2023-04-03 04:50:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2023-04-03 04:50:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_b_rf_init [2023-04-03 04:50:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2023-04-03 04:50:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2023-04-03 04:50:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_detect_rf [2023-04-03 04:50:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_rtl818x_rf_ops_3 [2023-04-03 04:50:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_rtl818x_rf_ops_1 [2023-04-03 04:50:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_rtl818x_rf_ops_2 [2023-04-03 04:50:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_1 [2023-04-03 04:50:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2023-04-03 04:50:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_2 [2023-04-03 04:50:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_27 [2023-04-03 04:50:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_28 [2023-04-03 04:50:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_29 [2023-04-03 04:50:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_30 [2023-04-03 04:50:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_33 [2023-04-03 04:50:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 04:50:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 04:50:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_name [2023-04-03 04:50:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_led_name [2023-04-03 04:50:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rx_led_name [2023-04-03 04:50:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_radio_led_name [2023-04-03 04:50:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure led_turn_on [2023-04-03 04:50:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure led_turn_off [2023-04-03 04:50:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_led_brightness_set [2023-04-03 04:50:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_register_led [2023-04-03 04:50:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_unregister_led [2023-04-03 04:50:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_leds_init [2023-04-03 04:50:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_leds_exit [2023-04-03 04:50:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_38 [2023-04-03 04:50:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_39 [2023-04-03 04:50:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_40 [2023-04-03 04:50:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_41 [2023-04-03 04:50:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_44 [2023-04-03 04:50:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_is_radio_enabled [2023-04-03 04:50:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_rfkill_init [2023-04-03 04:50:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_rfkill_poll [2023-04-03 04:50:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_rfkill_exit [2023-04-03 04:50:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_49 [2023-04-03 04:50:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_50 [2023-04-03 04:50:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_51 [2023-04-03 04:50:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_52 [2023-04-03 04:50:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_55 [2023-04-03 04:50:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2023-04-03 04:50:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2023-04-03 04:50:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2023-04-03 04:50:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2023-04-03 04:50:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2023-04-03 04:50:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 04:50:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 04:50:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 04:50:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 04:50:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2023-04-03 04:50:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 04:50:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2023-04-03 04:50:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2023-04-03 04:50:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2023-04-03 04:50:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2023-04-03 04:50:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2023-04-03 04:50:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 04:50:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 04:50:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2023-04-03 04:50:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2023-04-03 04:50:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-03 04:50:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee80211_get_radio_led_name [2023-04-03 04:50:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee80211_get_rx_led_name [2023-04-03 04:50:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee80211_get_tx_led_name [2023-04-03 04:50:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-03 04:50:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-03 04:50:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-03 04:50:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-04-03 04:50:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 04:50:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-03 04:50:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-03 04:50:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 04:50:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2023-04-03 04:50:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2023-04-03 04:50:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-03 04:50:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-03 04:50:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2023-04-03 04:50:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2023-04-03 04:50:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_delayed_work [2023-04-03 04:50:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2023-04-03 04:50:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_alloc_hw [2023-04-03 04:50:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get_tim [2023-04-03 04:50:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_ctstoself_duration [2023-04-03 04:50:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2023-04-03 04:50:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2023-04-03 04:50:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2023-04-03 04:50:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2023-04-03 04:50:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_stopped [2023-04-03 04:50:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_register_hw [2023-04-03 04:50:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_rts_duration [2023-04-03 04:50:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_rx_irqsafe [2023-04-03 04:50:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2023-04-03 04:50:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2023-04-03 04:50:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-03 04:50:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_1 [2023-04-03 04:50:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_2 [2023-04-03 04:50:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_3 [2023-04-03 04:50:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_1 [2023-04-03 04:50:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_2 [2023-04-03 04:50:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2023-04-03 04:50:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2023-04-03 04:50:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2023-04-03 04:50:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2023-04-03 04:50:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_start_1 [2023-04-03 04:50:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_start_2 [2023-04-03 04:50:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_start_3 [2023-04-03 04:50:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure led_classdev_register [2023-04-03 04:50:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure led_classdev_unregister [2023-04-03 04:50:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-03 04:50:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-04-03 04:50:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-03 04:50:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 04:50:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 04:50:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-04-03 04:50:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-03 04:50:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-04-03 04:50:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-04-03 04:50:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-03 04:50:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-04-03 04:50:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-04-03 04:50:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2023-04-03 04:50:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-04-03 04:50:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2023-04-03 04:50:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-04-03 04:50:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-03 04:50:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-04-03 04:50:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2023-04-03 04:50:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2023-04-03 04:50:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2023-04-03 04:50:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-03 04:50:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2023-04-03 04:50:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-04-03 04:50:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2023-04-03 04:50:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2023-04-03 04:50:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 04:50:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2023-04-03 04:50:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_start_polling [2023-04-03 04:50:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_stop_polling [2023-04-03 04:50:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 04:50:29,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 04:50:29,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 04:50:29,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 04:50:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 04:50:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 04:50:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 04:50:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 04:50:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 04:50:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 04:50:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 04:50:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2023-04-03 04:50:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 04:50:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-03 04:50:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-03 04:50:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 04:50:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 04:50:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 04:50:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 04:50:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-03 04:50:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 04:50:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-03 04:50:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 04:50:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 04:50:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 04:50:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-03 04:50:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-03 04:50:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-03 04:50:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 04:50:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2023-04-03 04:50:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-03 04:50:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-04-03 04:50:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-03 04:50:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-03 04:50:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-04-03 04:50:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2023-04-03 04:50:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-04-03 04:50:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-04-03 04:50:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-04-03 04:50:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-04-03 04:50:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2023-04-03 04:50:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 04:50:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 04:50:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 04:50:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 04:50:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-03 04:50:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 04:50:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-03 04:50:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-03 04:50:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-03 04:50:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2023-04-03 04:50:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2023-04-03 04:50:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2023-04-03 04:50:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2023-04-03 04:50:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2023-04-03 04:50:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_14 [2023-04-03 04:50:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2023-04-03 04:50:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2023-04-03 04:50:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-04-03 04:50:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 04:50:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2023-04-03 04:50:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 04:50:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-04-03 04:50:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 04:50:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 04:50:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-04-03 04:50:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2023-04-03 04:50:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2023-04-03 04:50:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_12 [2023-04-03 04:50:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_17 [2023-04-03 04:50:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_18 [2023-04-03 04:50:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-04-03 04:50:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-03 04:50:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-04-03 04:50:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-04-03 04:50:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-04-03 04:50:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-04-03 04:50:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2023-04-03 04:50:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_15 [2023-04-03 04:50:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_queue_mapping [2023-04-03 04:50:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_queue_mapping [2023-04-03 04:50:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2023-04-03 04:50:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2023-04-03 04:50:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 04:50:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 04:50:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 04:50:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2023-04-03 04:50:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2023-04-03 04:50:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 04:50:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 04:50:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 04:50:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 04:50:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 04:50:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 04:50:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 04:50:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 04:50:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 04:50:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 04:50:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 04:50:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_rtl818x_rf_ops_3 [2023-04-03 04:50:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_rtl818x_rf_ops_1 [2023-04-03 04:50:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ieee80211_ops_5 [2023-04-03 04:50:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_rtl818x_rf_ops_2 [2023-04-03 04:50:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_4 [2023-04-03 04:50:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 04:50:29,705 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-04-03 04:50:29,705 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-04-03 04:50:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-04-03 04:50:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-03 04:50:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2023-04-03 04:50:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2023-04-03 04:50:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2023-04-03 04:50:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_19 [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_20 [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-04-03 04:50:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure eth_random_addr [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_morefrags [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure set_wiphy_dev [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_info_clear_status [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_DEV [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_alloc_hw [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_register_hw [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_rx_irqsafe [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get_tim [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_rts_duration [2023-04-03 04:50:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_ctstoself_duration [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_stopped [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_leds_init [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_leds_exit [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_write_phy [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8_idx [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16_idx [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32_idx [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8_idx [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16_idx [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32_idx [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_detect_rf [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_rfkill_init [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_rfkill_poll [2023-04-03 04:50:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_rfkill_exit [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_iowrite_async_cb [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_iowrite_async [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32_async [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_tx_cb [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_tx [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_rx_cb [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_init_urbs [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187b_status_cb [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187b_init_status_urb [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_set_anaparam [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_cmd_reset [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_init_hw [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187b_init_hw [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_work [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_start [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_stop [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_get_tsf [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_beacon_work [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_add_interface [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_remove_interface [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_config [2023-04-03 04:50:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_conf_erp [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_bss_info_changed [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_prepare_multicast [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_configure_filter [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_conf_tx [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_eeprom_register_read [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_eeprom_register_write [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_probe [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_disconnect [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_driver_init [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_driver_exit [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_1 [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_2 [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_28 [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_29 [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_30 [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_33 [2023-04-03 04:50:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_27 [2023-04-03 04:50:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2023-04-03 04:50:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2023-04-03 04:50:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2023-04-03 04:50:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_bitbang [2023-04-03 04:50:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_8051 [2023-04-03 04:50:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2023-04-03 04:50:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2023-04-03 04:50:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2023-04-03 04:50:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2023-04-03 04:50:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2023-04-03 04:50:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_b_rf_set_tx_power [2023-04-03 04:50:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2023-04-03 04:50:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_b_rf_init [2023-04-03 04:50:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2023-04-03 04:50:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2023-04-03 04:50:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_start_3 [2023-04-03 04:50:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_2 [2023-04-03 04:50:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_start_2 [2023-04-03 04:50:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2023-04-03 04:50:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2023-04-03 04:50:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_1 [2023-04-03 04:50:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_2 [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_3 [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_start_1 [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_1 [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure flush_delayed_work [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_39 [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_40 [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_41 [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_44 [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_38 [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_name [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee80211_get_tx_led_name [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee80211_get_rx_led_name [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee80211_get_radio_led_name [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_led_name [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rx_led_name [2023-04-03 04:50:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_radio_led_name [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure led_classdev_register [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure led_classdev_unregister [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure led_turn_on [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure led_turn_off [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_led_brightness_set [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_register_led [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_unregister_led [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_50 [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_51 [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_52 [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_55 [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_49 [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_start_polling [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_stop_polling [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_is_radio_enabled [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 04:50:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 04:50:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 04:50:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2023-04-03 04:50:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2023-04-03 04:50:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2023-04-03 04:50:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2023-04-03 04:50:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 04:50:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-03 04:50:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 04:50:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 04:50:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 04:50:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 04:50:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 04:50:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 04:50:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 04:50:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 04:50:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 04:50:30,328 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 04:50:30,332 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 04:50:30,515 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 04:50:36,784 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 04:50:38,854 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 04:50:38,855 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-04-03 04:50:38,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 04:50:38 BoogieIcfgContainer [2023-04-03 04:50:38,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 04:50:38,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 04:50:38,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 04:50:38,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 04:50:38,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 04:50:27" (1/3) ... [2023-04-03 04:50:38,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0e0d8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 04:50:38, skipping insertion in model container [2023-04-03 04:50:38,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:50:29" (2/3) ... [2023-04-03 04:50:38,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0e0d8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 04:50:38, skipping insertion in model container [2023-04-03 04:50:38,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 04:50:38" (3/3) ... [2023-04-03 04:50:38,865 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i [2023-04-03 04:50:38,878 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 04:50:38,878 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 04:50:38,996 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 04:50:39,000 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;@784f9e1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 04:50:39,000 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 04:50:39,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 2682 states, 1330 states have (on average 1.2165413533834586) internal successors, (1618), 1393 states have internal predecessors, (1618), 1088 states have call successors, (1088), 238 states have call predecessors, (1088), 237 states have return successors, (1081), 1052 states have call predecessors, (1081), 1081 states have call successors, (1081) [2023-04-03 04:50:39,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-04-03 04:50:39,023 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:50:39,024 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:50:39,024 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:50:39,029 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:50:39,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1464272484, now seen corresponding path program 1 times [2023-04-03 04:50:39,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:50:39,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151742313] [2023-04-03 04:50:39,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:50:39,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:50:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:50:39,744 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-04-03 04:50:39,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:50:39,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151742313] [2023-04-03 04:50:39,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151742313] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:50:39,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:50:39,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:50:39,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061966280] [2023-04-03 04:50:39,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:50:39,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:50:39,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:50:39,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:50:39,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:50:39,783 INFO L87 Difference]: Start difference. First operand has 2682 states, 1330 states have (on average 1.2165413533834586) internal successors, (1618), 1393 states have internal predecessors, (1618), 1088 states have call successors, (1088), 238 states have call predecessors, (1088), 237 states have return successors, (1081), 1052 states have call predecessors, (1081), 1081 states have call successors, (1081) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-03 04:50:41,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:50:41,627 INFO L93 Difference]: Finished difference Result 7763 states and 11195 transitions. [2023-04-03 04:50:41,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:50:41,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 85 [2023-04-03 04:50:41,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:50:41,677 INFO L225 Difference]: With dead ends: 7763 [2023-04-03 04:50:41,678 INFO L226 Difference]: Without dead ends: 5138 [2023-04-03 04:50:41,700 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 04:50:41,703 INFO L413 NwaCegarLoop]: 3450 mSDtfsCounter, 3652 mSDsluCounter, 3415 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3652 SdHoareTripleChecker+Valid, 6865 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-03 04:50:41,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3652 Valid, 6865 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-03 04:50:41,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5138 states. [2023-04-03 04:50:42,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5138 to 5138. [2023-04-03 04:50:42,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5138 states, 2556 states have (on average 1.214397496087637) internal successors, (3104), 2662 states have internal predecessors, (3104), 2128 states have call successors, (2128), 456 states have call predecessors, (2128), 453 states have return successors, (2125), 2067 states have call predecessors, (2125), 2125 states have call successors, (2125) [2023-04-03 04:50:42,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5138 states to 5138 states and 7357 transitions. [2023-04-03 04:50:42,047 INFO L78 Accepts]: Start accepts. Automaton has 5138 states and 7357 transitions. Word has length 85 [2023-04-03 04:50:42,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:50:42,047 INFO L495 AbstractCegarLoop]: Abstraction has 5138 states and 7357 transitions. [2023-04-03 04:50:42,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-03 04:50:42,048 INFO L276 IsEmpty]: Start isEmpty. Operand 5138 states and 7357 transitions. [2023-04-03 04:50:42,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-04-03 04:50:42,055 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:50:42,055 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:50:42,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 04:50:42,056 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:50:42,056 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:50:42,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1406981840, now seen corresponding path program 1 times [2023-04-03 04:50:42,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:50:42,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462966670] [2023-04-03 04:50:42,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:50:42,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:50:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:50:42,844 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-03 04:50:42,844 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:50:42,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462966670] [2023-04-03 04:50:42,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462966670] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:50:42,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:50:42,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 04:50:42,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590357168] [2023-04-03 04:50:42,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:50:42,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 04:50:42,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:50:42,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 04:50:42,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 04:50:42,847 INFO L87 Difference]: Start difference. First operand 5138 states and 7357 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 04:50:44,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:50:51,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:50:51,279 INFO L93 Difference]: Finished difference Result 10257 states and 14749 transitions. [2023-04-03 04:50:51,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 04:50:51,280 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 99 [2023-04-03 04:50:51,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:50:51,335 INFO L225 Difference]: With dead ends: 10257 [2023-04-03 04:50:51,335 INFO L226 Difference]: Without dead ends: 10236 [2023-04-03 04:50:51,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 04:50:51,344 INFO L413 NwaCegarLoop]: 3439 mSDtfsCounter, 3707 mSDsluCounter, 11551 mSDsCounter, 0 mSdLazyCounter, 3744 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3708 SdHoareTripleChecker+Valid, 14990 SdHoareTripleChecker+Invalid, 3747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-04-03 04:50:51,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3708 Valid, 14990 Invalid, 3747 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3744 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2023-04-03 04:50:51,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10236 states. [2023-04-03 04:50:51,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10236 to 10236. [2023-04-03 04:50:51,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10236 states, 5094 states have (on average 1.2145661562622694) internal successors, (6187), 5310 states have internal predecessors, (6187), 4238 states have call successors, (4238), 902 states have call predecessors, (4238), 903 states have return successors, (4301), 4119 states have call predecessors, (4301), 4235 states have call successors, (4301) [2023-04-03 04:50:51,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10236 states to 10236 states and 14726 transitions. [2023-04-03 04:50:51,928 INFO L78 Accepts]: Start accepts. Automaton has 10236 states and 14726 transitions. Word has length 99 [2023-04-03 04:50:51,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:50:51,929 INFO L495 AbstractCegarLoop]: Abstraction has 10236 states and 14726 transitions. [2023-04-03 04:50:51,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 04:50:51,930 INFO L276 IsEmpty]: Start isEmpty. Operand 10236 states and 14726 transitions. [2023-04-03 04:50:51,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-04-03 04:50:51,943 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:50:51,943 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2023-04-03 04:50:51,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 04:50:51,944 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:50:51,944 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:50:51,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1143454136, now seen corresponding path program 1 times [2023-04-03 04:50:51,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:50:51,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551767476] [2023-04-03 04:50:51,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:50:51,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:50:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:50:52,309 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-03 04:50:52,309 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:50:52,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551767476] [2023-04-03 04:50:52,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551767476] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:50:52,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:50:52,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:50:52,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561187328] [2023-04-03 04:50:52,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:50:52,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:50:52,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:50:52,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:50:52,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:50:52,312 INFO L87 Difference]: Start difference. First operand 10236 states and 14726 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-03 04:50:54,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:50:54,137 INFO L93 Difference]: Finished difference Result 25925 states and 37394 transitions. [2023-04-03 04:50:54,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:50:54,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 159 [2023-04-03 04:50:54,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:50:54,241 INFO L225 Difference]: With dead ends: 25925 [2023-04-03 04:50:54,241 INFO L226 Difference]: Without dead ends: 15716 [2023-04-03 04:50:54,297 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 04:50:54,299 INFO L413 NwaCegarLoop]: 3456 mSDtfsCounter, 2048 mSDsluCounter, 3321 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 6777 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-03 04:50:54,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2048 Valid, 6777 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-03 04:50:54,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15716 states. [2023-04-03 04:50:55,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15716 to 15695. [2023-04-03 04:50:55,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15695 states, 7630 states have (on average 1.2120576671035386) internal successors, (9248), 7910 states have internal predecessors, (9248), 6684 states have call successors, (6684), 1379 states have call predecessors, (6684), 1380 states have return successors, (6747), 6529 states have call predecessors, (6747), 6681 states have call successors, (6747) [2023-04-03 04:50:55,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15695 states to 15695 states and 22679 transitions. [2023-04-03 04:50:55,135 INFO L78 Accepts]: Start accepts. Automaton has 15695 states and 22679 transitions. Word has length 159 [2023-04-03 04:50:55,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:50:55,136 INFO L495 AbstractCegarLoop]: Abstraction has 15695 states and 22679 transitions. [2023-04-03 04:50:55,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-03 04:50:55,137 INFO L276 IsEmpty]: Start isEmpty. Operand 15695 states and 22679 transitions. [2023-04-03 04:50:55,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-04-03 04:50:55,150 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:50:55,150 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 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] [2023-04-03 04:50:55,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 04:50:55,150 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:50:55,152 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:50:55,152 INFO L85 PathProgramCache]: Analyzing trace with hash 274234215, now seen corresponding path program 1 times [2023-04-03 04:50:55,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:50:55,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333220548] [2023-04-03 04:50:55,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:50:55,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:50:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:50:55,464 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-04-03 04:50:55,464 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:50:55,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333220548] [2023-04-03 04:50:55,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333220548] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:50:55,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:50:55,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:50:55,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285123692] [2023-04-03 04:50:55,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:50:55,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:50:55,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:50:55,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:50:55,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:50:55,467 INFO L87 Difference]: Start difference. First operand 15695 states and 22679 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2023-04-03 04:50:57,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:50:57,819 INFO L93 Difference]: Finished difference Result 39897 states and 57476 transitions. [2023-04-03 04:50:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:50:57,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 222 [2023-04-03 04:50:57,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:50:57,930 INFO L225 Difference]: With dead ends: 39897 [2023-04-03 04:50:57,930 INFO L226 Difference]: Without dead ends: 24232 [2023-04-03 04:50:57,998 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 04:50:57,999 INFO L413 NwaCegarLoop]: 5677 mSDtfsCounter, 3603 mSDsluCounter, 2781 mSDsCounter, 0 mSdLazyCounter, 868 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3603 SdHoareTripleChecker+Valid, 8458 SdHoareTripleChecker+Invalid, 912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-03 04:50:57,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3603 Valid, 8458 Invalid, 912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 868 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-03 04:50:58,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24232 states. [2023-04-03 04:50:59,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24232 to 24211. [2023-04-03 04:50:59,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24211 states, 11892 states have (on average 1.2127480659266734) internal successors, (14422), 12376 states have internal predecessors, (14422), 10098 states have call successors, (10098), 2215 states have call predecessors, (10098), 2220 states have return successors, (10203), 9827 states have call predecessors, (10203), 10095 states have call successors, (10203) [2023-04-03 04:50:59,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24211 states to 24211 states and 34723 transitions. [2023-04-03 04:50:59,401 INFO L78 Accepts]: Start accepts. Automaton has 24211 states and 34723 transitions. Word has length 222 [2023-04-03 04:50:59,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:50:59,402 INFO L495 AbstractCegarLoop]: Abstraction has 24211 states and 34723 transitions. [2023-04-03 04:50:59,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2023-04-03 04:50:59,402 INFO L276 IsEmpty]: Start isEmpty. Operand 24211 states and 34723 transitions. [2023-04-03 04:50:59,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-04-03 04:50:59,413 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:50:59,413 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 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] [2023-04-03 04:50:59,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 04:50:59,414 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:50:59,414 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:50:59,414 INFO L85 PathProgramCache]: Analyzing trace with hash 213845435, now seen corresponding path program 1 times [2023-04-03 04:50:59,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:50:59,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622114596] [2023-04-03 04:50:59,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:50:59,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:50:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:50:59,663 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2023-04-03 04:50:59,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:50:59,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622114596] [2023-04-03 04:50:59,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622114596] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:50:59,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:50:59,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:50:59,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590590984] [2023-04-03 04:50:59,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:50:59,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:50:59,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:50:59,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:50:59,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:50:59,665 INFO L87 Difference]: Start difference. First operand 24211 states and 34723 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 04:51:01,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:51:01,582 INFO L93 Difference]: Finished difference Result 36340 states and 52185 transitions. [2023-04-03 04:51:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:51:01,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 222 [2023-04-03 04:51:01,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:51:01,691 INFO L225 Difference]: With dead ends: 36340 [2023-04-03 04:51:01,691 INFO L226 Difference]: Without dead ends: 24227 [2023-04-03 04:51:01,747 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 04:51:01,750 INFO L413 NwaCegarLoop]: 3420 mSDtfsCounter, 4 mSDsluCounter, 3414 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 6834 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-03 04:51:01,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 6834 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-03 04:51:01,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24227 states. [2023-04-03 04:51:02,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24227 to 24219. [2023-04-03 04:51:02,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24219 states, 11900 states have (on average 1.2126050420168066) internal successors, (14430), 12384 states have internal predecessors, (14430), 10098 states have call successors, (10098), 2215 states have call predecessors, (10098), 2220 states have return successors, (10203), 9827 states have call predecessors, (10203), 10095 states have call successors, (10203) [2023-04-03 04:51:02,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24219 states to 24219 states and 34731 transitions. [2023-04-03 04:51:02,904 INFO L78 Accepts]: Start accepts. Automaton has 24219 states and 34731 transitions. Word has length 222 [2023-04-03 04:51:02,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:51:02,905 INFO L495 AbstractCegarLoop]: Abstraction has 24219 states and 34731 transitions. [2023-04-03 04:51:02,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 04:51:02,906 INFO L276 IsEmpty]: Start isEmpty. Operand 24219 states and 34731 transitions. [2023-04-03 04:51:02,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-04-03 04:51:02,916 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:51:02,916 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 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 04:51:02,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 04:51:02,916 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:51:02,917 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:51:02,917 INFO L85 PathProgramCache]: Analyzing trace with hash -950296577, now seen corresponding path program 1 times [2023-04-03 04:51:02,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:51:02,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069463515] [2023-04-03 04:51:02,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:51:02,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:51:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:51:03,931 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2023-04-03 04:51:03,931 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:51:03,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069463515] [2023-04-03 04:51:03,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069463515] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:51:03,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:51:03,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-03 04:51:03,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125840740] [2023-04-03 04:51:03,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:51:03,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 04:51:03,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:51:03,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 04:51:03,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-04-03 04:51:03,933 INFO L87 Difference]: Start difference. First operand 24219 states and 34731 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (39), 4 states have call predecessors, (39), 3 states have return successors, (36), 5 states have call predecessors, (36), 4 states have call successors, (36) [2023-04-03 04:51:07,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:51:09,279 WARN L539 Checker$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 04:51:11,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:51:13,294 WARN L539 Checker$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 04:51:16,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:51:27,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:51:28,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:51:30,984 WARN L539 Checker$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 04:51:37,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:51:37,939 INFO L93 Difference]: Finished difference Result 50552 states and 72478 transitions. [2023-04-03 04:51:37,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 04:51:37,939 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (39), 4 states have call predecessors, (39), 3 states have return successors, (36), 5 states have call predecessors, (36), 4 states have call successors, (36) Word has length 223 [2023-04-03 04:51:37,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:51:38,063 INFO L225 Difference]: With dead ends: 50552 [2023-04-03 04:51:38,063 INFO L226 Difference]: Without dead ends: 26363 [2023-04-03 04:51:38,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-04-03 04:51:38,139 INFO L413 NwaCegarLoop]: 1049 mSDtfsCounter, 5615 mSDsluCounter, 2986 mSDsCounter, 0 mSdLazyCounter, 18149 mSolverCounterSat, 4773 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6824 SdHoareTripleChecker+Valid, 4035 SdHoareTripleChecker+Invalid, 22928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4773 IncrementalHoareTripleChecker+Valid, 18149 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.5s IncrementalHoareTripleChecker+Time [2023-04-03 04:51:38,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6824 Valid, 4035 Invalid, 22928 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4773 Valid, 18149 Invalid, 6 Unknown, 0 Unchecked, 32.5s Time] [2023-04-03 04:51:38,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26363 states. [2023-04-03 04:51:39,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26363 to 26269. [2023-04-03 04:51:39,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26269 states, 12924 states have (on average 1.2030331166821417) internal successors, (15548), 13438 states have internal predecessors, (15548), 10834 states have call successors, (10834), 2375 states have call predecessors, (10834), 2510 states have return successors, (11137), 10687 states have call predecessors, (11137), 10831 states have call successors, (11137) [2023-04-03 04:51:39,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26269 states to 26269 states and 37519 transitions. [2023-04-03 04:51:39,544 INFO L78 Accepts]: Start accepts. Automaton has 26269 states and 37519 transitions. Word has length 223 [2023-04-03 04:51:39,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:51:39,544 INFO L495 AbstractCegarLoop]: Abstraction has 26269 states and 37519 transitions. [2023-04-03 04:51:39,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (39), 4 states have call predecessors, (39), 3 states have return successors, (36), 5 states have call predecessors, (36), 4 states have call successors, (36) [2023-04-03 04:51:39,545 INFO L276 IsEmpty]: Start isEmpty. Operand 26269 states and 37519 transitions. [2023-04-03 04:51:39,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 967 [2023-04-03 04:51:39,601 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:51:39,602 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 28, 28, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:51:39,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 04:51:39,602 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:51:39,602 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:51:39,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1576571558, now seen corresponding path program 1 times [2023-04-03 04:51:39,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:51:39,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807557107] [2023-04-03 04:51:39,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:51:39,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:51:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:51:40,587 INFO L134 CoverageAnalysis]: Checked inductivity of 5659 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 5636 trivial. 0 not checked. [2023-04-03 04:51:40,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:51:40,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807557107] [2023-04-03 04:51:40,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807557107] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:51:40,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:51:40,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:51:40,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498350473] [2023-04-03 04:51:40,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:51:40,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:51:40,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:51:40,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:51:40,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:51:40,591 INFO L87 Difference]: Start difference. First operand 26269 states and 37519 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 3 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) [2023-04-03 04:51:42,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:51:43,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:51:43,834 INFO L93 Difference]: Finished difference Result 52572 states and 75144 transitions. [2023-04-03 04:51:43,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:51:43,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 3 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) Word has length 966 [2023-04-03 04:51:43,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:51:43,976 INFO L225 Difference]: With dead ends: 52572 [2023-04-03 04:51:43,976 INFO L226 Difference]: Without dead ends: 26333 [2023-04-03 04:51:44,083 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 04:51:44,084 INFO L413 NwaCegarLoop]: 3422 mSDtfsCounter, 6 mSDsluCounter, 3410 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 6832 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-04-03 04:51:44,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 6832 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-04-03 04:51:44,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26333 states. [2023-04-03 04:51:45,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26333 to 26317. [2023-04-03 04:51:45,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26317 states, 12956 states have (on average 1.2031491200987958) internal successors, (15588), 13470 states have internal predecessors, (15588), 10850 states have call successors, (10850), 2375 states have call predecessors, (10850), 2510 states have return successors, (11153), 10703 states have call predecessors, (11153), 10847 states have call successors, (11153) [2023-04-03 04:51:45,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26317 states to 26317 states and 37591 transitions. [2023-04-03 04:51:45,538 INFO L78 Accepts]: Start accepts. Automaton has 26317 states and 37591 transitions. Word has length 966 [2023-04-03 04:51:45,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:51:45,539 INFO L495 AbstractCegarLoop]: Abstraction has 26317 states and 37591 transitions. [2023-04-03 04:51:45,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 3 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) [2023-04-03 04:51:45,540 INFO L276 IsEmpty]: Start isEmpty. Operand 26317 states and 37591 transitions. [2023-04-03 04:51:45,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 968 [2023-04-03 04:51:45,600 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:51:45,600 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 28, 28, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:51:45,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 04:51:45,600 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:51:45,601 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:51:45,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1389405690, now seen corresponding path program 1 times [2023-04-03 04:51:45,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:51:45,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256028452] [2023-04-03 04:51:45,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:51:45,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:51:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:51:46,775 INFO L134 CoverageAnalysis]: Checked inductivity of 5659 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 5636 trivial. 0 not checked. [2023-04-03 04:51:46,776 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:51:46,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256028452] [2023-04-03 04:51:46,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256028452] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:51:46,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:51:46,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-03 04:51:46,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492895372] [2023-04-03 04:51:46,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:51:46,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-03 04:51:46,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:51:46,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-03 04:51:46,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-03 04:51:46,778 INFO L87 Difference]: Start difference. First operand 26317 states and 37591 transitions. Second operand has 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 3 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) [2023-04-03 04:51:49,034 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 04:51:52,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:51:52,209 INFO L93 Difference]: Finished difference Result 52692 states and 75328 transitions. [2023-04-03 04:51:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-03 04:51:52,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 3 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) Word has length 967 [2023-04-03 04:51:52,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:51:52,334 INFO L225 Difference]: With dead ends: 52692 [2023-04-03 04:51:52,334 INFO L226 Difference]: Without dead ends: 26405 [2023-04-03 04:51:52,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-03 04:51:52,628 INFO L413 NwaCegarLoop]: 3436 mSDtfsCounter, 18 mSDsluCounter, 6826 mSDsCounter, 0 mSdLazyCounter, 984 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 10262 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 984 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-04-03 04:51:52,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 10262 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 984 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2023-04-03 04:51:52,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26405 states. [2023-04-03 04:51:53,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26405 to 26365. [2023-04-03 04:51:53,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26365 states, 12988 states have (on average 1.2032645518940561) internal successors, (15628), 13502 states have internal predecessors, (15628), 10866 states have call successors, (10866), 2375 states have call predecessors, (10866), 2510 states have return successors, (11169), 10719 states have call predecessors, (11169), 10863 states have call successors, (11169) [2023-04-03 04:51:53,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26365 states to 26365 states and 37663 transitions. [2023-04-03 04:51:53,934 INFO L78 Accepts]: Start accepts. Automaton has 26365 states and 37663 transitions. Word has length 967 [2023-04-03 04:51:53,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:51:53,935 INFO L495 AbstractCegarLoop]: Abstraction has 26365 states and 37663 transitions. [2023-04-03 04:51:53,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 3 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) [2023-04-03 04:51:53,935 INFO L276 IsEmpty]: Start isEmpty. Operand 26365 states and 37663 transitions. [2023-04-03 04:51:53,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 993 [2023-04-03 04:51:53,971 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:51:53,971 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 29, 29, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:51:53,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 04:51:53,971 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:51:53,971 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:51:53,972 INFO L85 PathProgramCache]: Analyzing trace with hash 708775401, now seen corresponding path program 1 times [2023-04-03 04:51:53,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:51:53,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532323494] [2023-04-03 04:51:53,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:51:53,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:51:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:51:55,300 INFO L134 CoverageAnalysis]: Checked inductivity of 6061 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 6032 trivial. 0 not checked. [2023-04-03 04:51:55,300 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:51:55,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532323494] [2023-04-03 04:51:55,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532323494] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 04:51:55,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155607112] [2023-04-03 04:51:55,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:51:55,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 04:51:55,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 04:51:55,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 04:51:55,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 04:51:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:51:57,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 11437 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-03 04:51:57,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 04:51:57,549 INFO L134 CoverageAnalysis]: Checked inductivity of 6061 backedges. 3055 proven. 6 refuted. 0 times theorem prover too weak. 3000 trivial. 0 not checked. [2023-04-03 04:51:57,549 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 04:51:59,486 INFO L134 CoverageAnalysis]: Checked inductivity of 6061 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 6032 trivial. 0 not checked. [2023-04-03 04:51:59,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155607112] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 04:51:59,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1958963524] [2023-04-03 04:51:59,508 INFO L159 IcfgInterpreter]: Started Sifa with 314 locations of interest [2023-04-03 04:51:59,509 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 04:51:59,511 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 04:51:59,515 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 04:51:59,515 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 04:53:49,685 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 295 for LOIs