./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 23:34:13,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:34:13,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:34:13,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:34:13,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:34:13,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:34:13,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:34:13,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:34:13,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:34:13,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:34:13,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:34:13,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:34:13,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:34:13,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:34:13,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:34:13,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:34:13,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:34:13,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:34:13,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:34:13,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:34:13,435 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:34:13,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:34:13,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:34:13,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:34:13,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:34:13,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:34:13,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:34:13,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:34:13,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:34:13,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:34:13,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:34:13,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:34:13,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:34:13,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:34:13,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:34:13,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:34:13,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:34:13,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:34:13,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:34:13,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:34:13,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:34:13,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:34:13,449 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 23:34:13,462 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:34:13,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:34:13,462 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:34:13,462 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:34:13,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:34:13,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:34:13,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:34:13,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:34:13,464 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:34:13,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:34:13,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 23:34:13,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:34:13,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:34:13,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:34:13,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:34:13,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:34:13,465 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:34:13,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:34:13,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:34:13,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:34:13,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:34:13,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:34:13,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:34:13,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:34:13,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:34:13,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 23:34:13,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 23:34:13,466 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:34:13,467 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:34:13,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:34:13,467 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2022-07-22 23:34:13,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:34:13,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:34:13,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:34:13,664 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:34:13,665 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:34:13,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2022-07-22 23:34:13,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/192a397c1/6448c57d7ac147dabfed44fdd87c35b3/FLAGdf8fc85b4 [2022-07-22 23:34:14,416 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:34:14,417 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2022-07-22 23:34:14,456 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/192a397c1/6448c57d7ac147dabfed44fdd87c35b3/FLAGdf8fc85b4 [2022-07-22 23:34:14,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/192a397c1/6448c57d7ac147dabfed44fdd87c35b3 [2022-07-22 23:34:14,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:34:14,743 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:34:14,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:34:14,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:34:14,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:34:14,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:34:14" (1/1) ... [2022-07-22 23:34:14,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5852085d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:14, skipping insertion in model container [2022-07-22 23:34:14,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:34:14" (1/1) ... [2022-07-22 23:34:14,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:34:14,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:34:16,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2022-07-22 23:34:16,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:34:16,934 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:34:17,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2022-07-22 23:34:17,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:34:17,324 INFO L208 MainTranslator]: Completed translation [2022-07-22 23:34:17,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:17 WrapperNode [2022-07-22 23:34:17,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 23:34:17,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 23:34:17,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 23:34:17,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 23:34:17,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:17" (1/1) ... [2022-07-22 23:34:17,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:17" (1/1) ... [2022-07-22 23:34:17,652 INFO L137 Inliner]: procedures = 399, calls = 3514, calls flagged for inlining = 185, calls inlined = 158, statements flattened = 7309 [2022-07-22 23:34:17,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 23:34:17,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 23:34:17,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 23:34:17,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 23:34:17,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:17" (1/1) ... [2022-07-22 23:34:17,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:17" (1/1) ... [2022-07-22 23:34:17,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:17" (1/1) ... [2022-07-22 23:34:17,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:17" (1/1) ... [2022-07-22 23:34:17,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:17" (1/1) ... [2022-07-22 23:34:17,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:17" (1/1) ... [2022-07-22 23:34:17,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:17" (1/1) ... [2022-07-22 23:34:17,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 23:34:17,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 23:34:17,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 23:34:17,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 23:34:17,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:17" (1/1) ... [2022-07-22 23:34:17,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:34:18,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:34:18,015 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) [2022-07-22 23:34:18,027 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 [2022-07-22 23:34:18,042 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-07-22 23:34:18,042 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-07-22 23:34:18,042 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-07-22 23:34:18,042 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-07-22 23:34:18,042 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-22 23:34:18,042 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-22 23:34:18,042 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-22 23:34:18,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-22 23:34:18,043 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-22 23:34:18,043 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-22 23:34:18,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-22 23:34:18,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-22 23:34:18,043 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-22 23:34:18,043 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-22 23:34:18,043 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-22 23:34:18,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-22 23:34:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-22 23:34:18,044 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-22 23:34:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-22 23:34:18,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-22 23:34:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-22 23:34:18,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-22 23:34:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2022-07-22 23:34:18,044 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2022-07-22 23:34:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-07-22 23:34:18,045 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-07-22 23:34:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-22 23:34:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-22 23:34:18,045 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-22 23:34:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-07-22 23:34:18,045 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-07-22 23:34:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-07-22 23:34:18,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-07-22 23:34:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2022-07-22 23:34:18,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2022-07-22 23:34:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-07-22 23:34:18,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-07-22 23:34:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-22 23:34:18,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-22 23:34:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 23:34:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-22 23:34:18,046 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-22 23:34:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-22 23:34:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-22 23:34:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-07-22 23:34:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-07-22 23:34:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-07-22 23:34:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-07-22 23:34:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-07-22 23:34:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-07-22 23:34:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-22 23:34:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-22 23:34:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-22 23:34:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-22 23:34:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-22 23:34:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-22 23:34:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-22 23:34:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-07-22 23:34:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-07-22 23:34:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-22 23:34:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-07-22 23:34:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-07-22 23:34:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 23:34:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-22 23:34:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-22 23:34:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-07-22 23:34:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-07-22 23:34:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-07-22 23:34:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-07-22 23:34:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-22 23:34:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-22 23:34:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-07-22 23:34:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-07-22 23:34:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-22 23:34:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-22 23:34:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-22 23:34:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-22 23:34:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-22 23:34:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-22 23:34:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2022-07-22 23:34:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2022-07-22 23:34:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-22 23:34:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-22 23:34:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-07-22 23:34:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-07-22 23:34:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-22 23:34:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-22 23:34:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-07-22 23:34:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-07-22 23:34:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 23:34:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-22 23:34:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-22 23:34:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 23:34:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-22 23:34:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-22 23:34:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-22 23:34:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-22 23:34:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 23:34:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-22 23:34:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-07-22 23:34:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-07-22 23:34:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-07-22 23:34:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-07-22 23:34:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-07-22 23:34:18,054 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-07-22 23:34:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-22 23:34:18,054 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-22 23:34:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-07-22 23:34:18,054 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-07-22 23:34:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-22 23:34:18,054 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-22 23:34:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-22 23:34:18,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-22 23:34:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-07-22 23:34:18,055 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-07-22 23:34:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 23:34:18,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 23:34:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-22 23:34:18,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-22 23:34:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-22 23:34:18,055 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-22 23:34:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-22 23:34:18,056 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-22 23:34:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-07-22 23:34:18,056 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-07-22 23:34:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2022-07-22 23:34:18,056 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2022-07-22 23:34:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-22 23:34:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 23:34:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-07-22 23:34:18,057 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-07-22 23:34:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2022-07-22 23:34:18,057 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2022-07-22 23:34:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-22 23:34:18,057 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-22 23:34:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-22 23:34:18,057 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-22 23:34:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-22 23:34:18,057 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-22 23:34:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-07-22 23:34:18,058 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-07-22 23:34:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-07-22 23:34:18,058 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-07-22 23:34:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-07-22 23:34:18,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-07-22 23:34:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-07-22 23:34:18,058 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-07-22 23:34:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-07-22 23:34:18,058 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-07-22 23:34:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-07-22 23:34:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-07-22 23:34:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-07-22 23:34:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-07-22 23:34:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-22 23:34:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-22 23:34:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-22 23:34:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-22 23:34:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-07-22 23:34:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-07-22 23:34:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-22 23:34:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-22 23:34:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-22 23:34:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-22 23:34:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-22 23:34:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-22 23:34:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-07-22 23:34:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-07-22 23:34:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-22 23:34:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-22 23:34:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-07-22 23:34:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-07-22 23:34:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-22 23:34:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-22 23:34:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-22 23:34:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-22 23:34:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-22 23:34:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-22 23:34:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-22 23:34:18,062 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-22 23:34:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-07-22 23:34:18,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-07-22 23:34:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-22 23:34:18,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-22 23:34:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-07-22 23:34:18,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-07-22 23:34:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-22 23:34:18,063 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-22 23:34:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-22 23:34:18,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-22 23:34:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 23:34:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-07-22 23:34:18,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-07-22 23:34:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 23:34:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-07-22 23:34:18,063 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-07-22 23:34:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-07-22 23:34:18,064 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-07-22 23:34:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-07-22 23:34:18,064 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-07-22 23:34:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-07-22 23:34:18,064 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-07-22 23:34:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-07-22 23:34:18,064 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-07-22 23:34:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 23:34:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-22 23:34:18,065 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-22 23:34:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-22 23:34:18,065 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-22 23:34:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-22 23:34:18,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-22 23:34:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-07-22 23:34:18,065 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-07-22 23:34:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-22 23:34:18,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-22 23:34:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-07-22 23:34:18,066 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-07-22 23:34:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-07-22 23:34:18,066 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-07-22 23:34:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-07-22 23:34:18,066 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-07-22 23:34:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-22 23:34:18,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-22 23:34:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2022-07-22 23:34:18,066 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2022-07-22 23:34:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-22 23:34:18,067 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-22 23:34:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-07-22 23:34:18,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-07-22 23:34:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-22 23:34:18,067 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-22 23:34:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-22 23:34:18,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-22 23:34:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-07-22 23:34:18,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-07-22 23:34:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-07-22 23:34:18,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-07-22 23:34:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-07-22 23:34:18,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-07-22 23:34:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-07-22 23:34:18,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-07-22 23:34:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-22 23:34:18,068 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-22 23:34:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-22 23:34:18,069 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-22 23:34:18,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 23:34:18,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-22 23:34:18,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-22 23:34:18,069 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-07-22 23:34:18,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-07-22 23:34:18,069 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-22 23:34:18,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-22 23:34:18,069 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-07-22 23:34:18,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-07-22 23:34:18,070 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-07-22 23:34:18,070 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-07-22 23:34:18,070 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-22 23:34:18,070 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-22 23:34:18,070 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-22 23:34:18,070 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-22 23:34:18,070 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-07-22 23:34:18,070 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-07-22 23:34:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-22 23:34:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-22 23:34:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-22 23:34:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-22 23:34:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-07-22 23:34:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-07-22 23:34:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-07-22 23:34:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-07-22 23:34:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-22 23:34:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-22 23:34:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-22 23:34:18,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-22 23:34:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-22 23:34:18,072 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-22 23:34:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-07-22 23:34:18,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-07-22 23:34:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-07-22 23:34:18,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-07-22 23:34:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-22 23:34:18,072 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-22 23:34:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-07-22 23:34:18,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-07-22 23:34:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-22 23:34:18,073 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-22 23:34:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 23:34:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-07-22 23:34:18,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-07-22 23:34:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-07-22 23:34:18,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-07-22 23:34:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-07-22 23:34:18,074 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-07-22 23:34:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-22 23:34:18,074 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-22 23:34:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-22 23:34:18,074 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-22 23:34:18,846 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 23:34:18,851 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 23:34:30,039 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 23:34:30,064 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 23:34:30,064 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 23:34:30,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:34:30 BoogieIcfgContainer [2022-07-22 23:34:30,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 23:34:30,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 23:34:30,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 23:34:30,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 23:34:30,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:34:14" (1/3) ... [2022-07-22 23:34:30,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f4baa5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:34:30, skipping insertion in model container [2022-07-22 23:34:30,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:17" (2/3) ... [2022-07-22 23:34:30,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f4baa5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:34:30, skipping insertion in model container [2022-07-22 23:34:30,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:34:30" (3/3) ... [2022-07-22 23:34:30,078 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2022-07-22 23:34:30,088 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 23:34:30,088 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 23:34:30,270 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 23:34:30,279 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=PETRI_NET, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@62a33c23, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1af1bbb3 [2022-07-22 23:34:30,280 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 23:34:30,289 INFO L276 IsEmpty]: Start isEmpty. Operand has 2726 states, 1939 states have (on average 1.3862815884476534) internal successors, (2688), 2006 states have internal predecessors, (2688), 646 states have call successors, (646), 139 states have call predecessors, (646), 139 states have return successors, (646), 632 states have call predecessors, (646), 646 states have call successors, (646) [2022-07-22 23:34:30,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-22 23:34:30,295 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:34:30,295 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:34:30,296 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:34:30,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:34:30,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1788196537, now seen corresponding path program 1 times [2022-07-22 23:34:30,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:34:30,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342518495] [2022-07-22 23:34:30,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:34:30,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:34:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:34:30,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:34:30,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:34:30,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342518495] [2022-07-22 23:34:30,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342518495] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:34:30,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:34:30,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:34:30,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520993298] [2022-07-22 23:34:30,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:34:30,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:34:30,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:34:30,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:34:30,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:34:30,773 INFO L87 Difference]: Start difference. First operand has 2726 states, 1939 states have (on average 1.3862815884476534) internal successors, (2688), 2006 states have internal predecessors, (2688), 646 states have call successors, (646), 139 states have call predecessors, (646), 139 states have return successors, (646), 632 states have call predecessors, (646), 646 states have call successors, (646) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 23:34:31,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:34:31,152 INFO L93 Difference]: Finished difference Result 8077 states and 12365 transitions. [2022-07-22 23:34:31,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:34:31,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-07-22 23:34:31,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:34:31,202 INFO L225 Difference]: With dead ends: 8077 [2022-07-22 23:34:31,202 INFO L226 Difference]: Without dead ends: 5324 [2022-07-22 23:34:31,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:34:31,232 INFO L413 NwaCegarLoop]: 4800 mSDtfsCounter, 3913 mSDsluCounter, 3990 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3913 SdHoareTripleChecker+Valid, 8790 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 23:34:31,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3913 Valid, 8790 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 23:34:31,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5324 states. [2022-07-22 23:34:31,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5324 to 5321. [2022-07-22 23:34:31,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5321 states, 3784 states have (on average 1.359936575052854) internal successors, (5146), 3908 states have internal predecessors, (5146), 1263 states have call successors, (1263), 275 states have call predecessors, (1263), 273 states have return successors, (1452), 1229 states have call predecessors, (1452), 1257 states have call successors, (1452) [2022-07-22 23:34:31,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5321 states to 5321 states and 7861 transitions. [2022-07-22 23:34:31,492 INFO L78 Accepts]: Start accepts. Automaton has 5321 states and 7861 transitions. Word has length 9 [2022-07-22 23:34:31,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:34:31,493 INFO L495 AbstractCegarLoop]: Abstraction has 5321 states and 7861 transitions. [2022-07-22 23:34:31,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 23:34:31,493 INFO L276 IsEmpty]: Start isEmpty. Operand 5321 states and 7861 transitions. [2022-07-22 23:34:31,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-22 23:34:31,495 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:34:31,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:34:31,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 23:34:31,496 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:34:31,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:34:31,497 INFO L85 PathProgramCache]: Analyzing trace with hash 399282008, now seen corresponding path program 1 times [2022-07-22 23:34:31,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:34:31,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968943428] [2022-07-22 23:34:31,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:34:31,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:34:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:34:31,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:34:31,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:34:31,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968943428] [2022-07-22 23:34:31,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968943428] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:34:31,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:34:31,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:34:31,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165194629] [2022-07-22 23:34:31,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:34:31,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:34:31,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:34:31,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:34:31,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:34:31,631 INFO L87 Difference]: Start difference. First operand 5321 states and 7861 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 23:34:31,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:34:31,762 INFO L93 Difference]: Finished difference Result 5323 states and 7862 transitions. [2022-07-22 23:34:31,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:34:31,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-07-22 23:34:31,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:34:31,793 INFO L225 Difference]: With dead ends: 5323 [2022-07-22 23:34:31,793 INFO L226 Difference]: Without dead ends: 5320 [2022-07-22 23:34:31,800 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 [2022-07-22 23:34:31,802 INFO L413 NwaCegarLoop]: 3898 mSDtfsCounter, 3892 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3892 SdHoareTripleChecker+Valid, 3898 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 23:34:31,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3892 Valid, 3898 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 23:34:31,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5320 states. [2022-07-22 23:34:31,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5320 to 5320. [2022-07-22 23:34:31,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5320 states, 3784 states have (on average 1.3596723044397463) internal successors, (5145), 3907 states have internal predecessors, (5145), 1262 states have call successors, (1262), 275 states have call predecessors, (1262), 273 states have return successors, (1452), 1229 states have call predecessors, (1452), 1257 states have call successors, (1452) [2022-07-22 23:34:31,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5320 states to 5320 states and 7859 transitions. [2022-07-22 23:34:31,968 INFO L78 Accepts]: Start accepts. Automaton has 5320 states and 7859 transitions. Word has length 10 [2022-07-22 23:34:31,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:34:31,969 INFO L495 AbstractCegarLoop]: Abstraction has 5320 states and 7859 transitions. [2022-07-22 23:34:31,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 23:34:31,970 INFO L276 IsEmpty]: Start isEmpty. Operand 5320 states and 7859 transitions. [2022-07-22 23:34:31,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-22 23:34:31,970 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:34:31,970 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:34:31,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 23:34:31,971 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:34:31,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:34:31,976 INFO L85 PathProgramCache]: Analyzing trace with hash -508354966, now seen corresponding path program 1 times [2022-07-22 23:34:31,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:34:31,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725584999] [2022-07-22 23:34:31,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:34:31,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:34:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:34:32,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:34:32,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:34:32,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725584999] [2022-07-22 23:34:32,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725584999] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:34:32,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:34:32,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:34:32,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671359700] [2022-07-22 23:34:32,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:34:32,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:34:32,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:34:32,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:34:32,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:34:32,097 INFO L87 Difference]: Start difference. First operand 5320 states and 7859 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 23:34:32,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:34:32,288 INFO L93 Difference]: Finished difference Result 5322 states and 7860 transitions. [2022-07-22 23:34:32,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:34:32,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-07-22 23:34:32,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:34:32,315 INFO L225 Difference]: With dead ends: 5322 [2022-07-22 23:34:32,316 INFO L226 Difference]: Without dead ends: 5315 [2022-07-22 23:34:32,320 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 [2022-07-22 23:34:32,324 INFO L413 NwaCegarLoop]: 3897 mSDtfsCounter, 3889 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3889 SdHoareTripleChecker+Valid, 3897 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 23:34:32,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3889 Valid, 3897 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 23:34:32,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5315 states. [2022-07-22 23:34:32,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5315 to 5315. [2022-07-22 23:34:32,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5315 states, 3780 states have (on average 1.3592592592592592) internal successors, (5138), 3902 states have internal predecessors, (5138), 1261 states have call successors, (1261), 275 states have call predecessors, (1261), 273 states have return successors, (1452), 1229 states have call predecessors, (1452), 1257 states have call successors, (1452) [2022-07-22 23:34:32,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5315 states to 5315 states and 7851 transitions. [2022-07-22 23:34:32,503 INFO L78 Accepts]: Start accepts. Automaton has 5315 states and 7851 transitions. Word has length 11 [2022-07-22 23:34:32,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:34:32,503 INFO L495 AbstractCegarLoop]: Abstraction has 5315 states and 7851 transitions. [2022-07-22 23:34:32,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 23:34:32,504 INFO L276 IsEmpty]: Start isEmpty. Operand 5315 states and 7851 transitions. [2022-07-22 23:34:32,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-22 23:34:32,510 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:34:32,510 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:34:32,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 23:34:32,510 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:34:32,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:34:32,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1992860220, now seen corresponding path program 1 times [2022-07-22 23:34:32,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:34:32,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140834314] [2022-07-22 23:34:32,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:34:32,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:34:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:34:32,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:34:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:34:32,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 23:34:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:34:32,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:34:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:34:32,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:34:32,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:34:32,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140834314] [2022-07-22 23:34:32,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140834314] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:34:32,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:34:32,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:34:32,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60191345] [2022-07-22 23:34:32,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:34:32,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:34:32,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:34:32,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:34:32,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:34:32,667 INFO L87 Difference]: Start difference. First operand 5315 states and 7851 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-22 23:34:35,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:34:38,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:34:43,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:34:43,988 INFO L93 Difference]: Finished difference Result 11416 states and 17606 transitions. [2022-07-22 23:34:43,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 23:34:43,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 55 [2022-07-22 23:34:43,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:34:44,032 INFO L225 Difference]: With dead ends: 11416 [2022-07-22 23:34:44,033 INFO L226 Difference]: Without dead ends: 6104 [2022-07-22 23:34:44,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:34:44,073 INFO L413 NwaCegarLoop]: 3712 mSDtfsCounter, 899 mSDsluCounter, 3874 mSDsCounter, 0 mSdLazyCounter, 3250 mSolverCounterSat, 777 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 982 SdHoareTripleChecker+Valid, 7586 SdHoareTripleChecker+Invalid, 4029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 777 IncrementalHoareTripleChecker+Valid, 3250 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-07-22 23:34:44,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [982 Valid, 7586 Invalid, 4029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [777 Valid, 3250 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2022-07-22 23:34:44,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6104 states. [2022-07-22 23:34:44,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6104 to 5803. [2022-07-22 23:34:44,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5803 states, 4118 states have (on average 1.3564837299660029) internal successors, (5586), 4258 states have internal predecessors, (5586), 1341 states have call successors, (1341), 275 states have call predecessors, (1341), 343 states have return successors, (1850), 1363 states have call predecessors, (1850), 1337 states have call successors, (1850) [2022-07-22 23:34:44,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5803 states to 5803 states and 8777 transitions. [2022-07-22 23:34:44,298 INFO L78 Accepts]: Start accepts. Automaton has 5803 states and 8777 transitions. Word has length 55 [2022-07-22 23:34:44,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:34:44,299 INFO L495 AbstractCegarLoop]: Abstraction has 5803 states and 8777 transitions. [2022-07-22 23:34:44,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-22 23:34:44,299 INFO L276 IsEmpty]: Start isEmpty. Operand 5803 states and 8777 transitions. [2022-07-22 23:34:44,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-22 23:34:44,305 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:34:44,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:34:44,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 23:34:44,306 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:34:44,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:34:44,306 INFO L85 PathProgramCache]: Analyzing trace with hash -680247914, now seen corresponding path program 1 times [2022-07-22 23:34:44,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:34:44,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699770171] [2022-07-22 23:34:44,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:34:44,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:34:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 23:34:44,512 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 23:34:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 23:34:44,733 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 23:34:44,734 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 23:34:44,734 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 23:34:44,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 23:34:44,738 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-22 23:34:44,740 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 23:34:44,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 11:34:44 BoogieIcfgContainer [2022-07-22 23:34:44,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 23:34:44,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 23:34:44,853 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 23:34:44,853 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 23:34:44,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:34:30" (3/4) ... [2022-07-22 23:34:44,855 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 23:34:44,856 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 23:34:44,856 INFO L158 Benchmark]: Toolchain (without parser) took 30113.59ms. Allocated memory was 104.9MB in the beginning and 908.1MB in the end (delta: 803.2MB). Free memory was 68.9MB in the beginning and 327.7MB in the end (delta: -258.8MB). Peak memory consumption was 542.9MB. Max. memory is 16.1GB. [2022-07-22 23:34:44,856 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 23:34:44,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2583.16ms. Allocated memory was 104.9MB in the beginning and 249.6MB in the end (delta: 144.7MB). Free memory was 68.6MB in the beginning and 144.3MB in the end (delta: -75.7MB). Peak memory consumption was 111.8MB. Max. memory is 16.1GB. [2022-07-22 23:34:44,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 328.53ms. Allocated memory is still 249.6MB. Free memory was 143.2MB in the beginning and 141.9MB in the end (delta: 1.3MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2022-07-22 23:34:44,857 INFO L158 Benchmark]: Boogie Preprocessor took 329.75ms. Allocated memory is still 249.6MB. Free memory was 141.9MB in the beginning and 125.7MB in the end (delta: 16.2MB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB. [2022-07-22 23:34:44,857 INFO L158 Benchmark]: RCFGBuilder took 12081.63ms. Allocated memory was 249.6MB in the beginning and 908.1MB in the end (delta: 658.5MB). Free memory was 125.1MB in the beginning and 265.8MB in the end (delta: -140.7MB). Peak memory consumption was 521.0MB. Max. memory is 16.1GB. [2022-07-22 23:34:44,858 INFO L158 Benchmark]: TraceAbstraction took 14780.99ms. Allocated memory is still 908.1MB. Free memory was 264.7MB in the beginning and 328.7MB in the end (delta: -64.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 23:34:44,858 INFO L158 Benchmark]: Witness Printer took 3.29ms. Allocated memory is still 908.1MB. Free memory was 328.7MB in the beginning and 327.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 23:34:44,860 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2583.16ms. Allocated memory was 104.9MB in the beginning and 249.6MB in the end (delta: 144.7MB). Free memory was 68.6MB in the beginning and 144.3MB in the end (delta: -75.7MB). Peak memory consumption was 111.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 328.53ms. Allocated memory is still 249.6MB. Free memory was 143.2MB in the beginning and 141.9MB in the end (delta: 1.3MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 329.75ms. Allocated memory is still 249.6MB. Free memory was 141.9MB in the beginning and 125.7MB in the end (delta: 16.2MB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB. * RCFGBuilder took 12081.63ms. Allocated memory was 249.6MB in the beginning and 908.1MB in the end (delta: 658.5MB). Free memory was 125.1MB in the beginning and 265.8MB in the end (delta: -140.7MB). Peak memory consumption was 521.0MB. Max. memory is 16.1GB. * TraceAbstraction took 14780.99ms. Allocated memory is still 908.1MB. Free memory was 264.7MB in the beginning and 328.7MB in the end (delta: -64.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.29ms. Allocated memory is still 908.1MB. Free memory was 328.7MB in the beginning and 327.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 12414, overapproximation of bitwiseAnd at line 11962. Possible FailurePath: [L7468] static bool ap_mode_default ; [L7469-L7483] static struct ieee80211_channel const mwl8k_channels_24[14U] = { {0, 2412U, 1U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2417U, 2U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2422U, 3U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2427U, 4U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2432U, 5U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2437U, 6U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2442U, 7U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2447U, 8U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2452U, 9U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2457U, 10U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2462U, 11U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2467U, 12U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2472U, 13U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2484U, 14U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}}; [L7484-L7497] static struct ieee80211_rate const mwl8k_rates_24[13U] = { {0U, 10U, 2U, (unsigned short)0}, {0U, 20U, 4U, (unsigned short)0}, {0U, 55U, 11U, (unsigned short)0}, {0U, 110U, 22U, (unsigned short)0}, {0U, 220U, 44U, (unsigned short)0}, {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}}; [L7498-L7501] static struct ieee80211_channel const mwl8k_channels_50[4U] = { {1, 5180U, 36U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5200U, 40U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5220U, 44U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5240U, 48U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}}; [L7502-L7510] static struct ieee80211_rate const mwl8k_rates_50[8U] = { {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}}; [L8149] static struct rxd_ops rxd_ap_ops = {32, & mwl8k_rxd_ap_init, & mwl8k_rxd_ap_refill, & mwl8k_rxd_ap_process}; [L8226] static struct rxd_ops rxd_sta_ops = {40, & mwl8k_rxd_sta_init, & mwl8k_rxd_sta_refill, & mwl8k_rxd_sta_process}; [L12378-L12384] static struct ieee80211_ops const mwl8k_ops = {& mwl8k_tx, & mwl8k_start, & mwl8k_stop, 0, 0, 0, & mwl8k_add_interface, 0, & mwl8k_remove_interface, & mwl8k_config, & mwl8k_bss_info_changed, 0, 0, & mwl8k_prepare_multicast, & mwl8k_configure_filter, 0, 0, & mwl8k_set_key, 0, 0, 0, 0, 0, 0, 0, 0, 0, & mwl8k_get_stats, 0, 0, & mwl8k_set_rts_threshold, & mwl8k_sta_add, & mwl8k_sta_remove, 0, 0, 0, 0, 0, & mwl8k_conf_tx, 0, 0, 0, 0, & mwl8k_ampdu_action, & mwl8k_get_survey, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12414-L12421] static struct mwl8k_device_info mwl8k_info_tbl[4U] = { {(char *)"88w8363", (char *)"mwl8k/helper_8363.fw", (char *)"mwl8k/fmimage_8363.fw", 0, 0, 0U}, {(char *)"88w8687", (char *)"mwl8k/helper_8687.fw", (char *)"mwl8k/fmimage_8687.fw", 0, 0, 0U}, {(char *)"88w8366", (char *)"mwl8k/helper_8366.fw", (char *)"mwl8k/fmimage_8366.fw", (char *)"mwl8k/fmimage_8366_ap-3.fw", & rxd_ap_ops, 3U}, {(char *)"88w8764", 0, 0, (char *)"mwl8k/fmimage_8764_ap-1.fw", & rxd_ap_ops, 1U}}; [L12422] struct pci_device_id const __mod_pci_device_table ; [L12804-L12805] static struct ieee80211_iface_limit const ap_if_limits[2U] = { {8U, 8U}, {1U, 4U}}; [L12806-L12807] static struct ieee80211_iface_combination const ap_if_comb = {(struct ieee80211_iface_limit const *)(& ap_if_limits), 1U, 8U, 2U, (_Bool)0, (unsigned char)0}; [L13105] int LDV_IN_INTERRUPT ; [L13408] static int ldv_mutex_fw_mutex_of_mwl8k_priv ; [L13515] static int ldv_mutex_lock ; [L13622] static int ldv_mutex_mutex_of_device ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=0, ldv_mutex_fw_mutex_of_mwl8k_priv=0, ldv_mutex_lock=0, ldv_mutex_mutex_of_device=0, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L13108] void *var_mwl8k_rxd_ap_init_13_p0 ; [L13109] dma_addr_t var_mwl8k_rxd_ap_init_13_p1 ; [L13110] void *var_mwl8k_rxd_ap_refill_14_p0 ; [L13111] dma_addr_t var_mwl8k_rxd_ap_refill_14_p1 ; [L13112] int var_mwl8k_rxd_ap_refill_14_p2 ; [L13113] void *var_mwl8k_rxd_ap_process_15_p0 ; [L13114] struct ieee80211_rx_status *var_group1 ; [L13115] __le16 *var_mwl8k_rxd_ap_process_15_p2 ; [L13116] s8 *var_mwl8k_rxd_ap_process_15_p3 ; [L13117] void *var_mwl8k_rxd_sta_init_16_p0 ; [L13118] dma_addr_t var_mwl8k_rxd_sta_init_16_p1 ; [L13119] void *var_mwl8k_rxd_sta_refill_17_p0 ; [L13120] dma_addr_t var_mwl8k_rxd_sta_refill_17_p1 ; [L13121] int var_mwl8k_rxd_sta_refill_17_p2 ; [L13122] void *var_mwl8k_rxd_sta_process_18_p0 ; [L13123] __le16 *var_mwl8k_rxd_sta_process_18_p2 ; [L13124] s8 *var_mwl8k_rxd_sta_process_18_p3 ; [L13125] struct ieee80211_hw *var_group2 ; [L13126] struct ieee80211_tx_control *var_group3 ; [L13127] struct sk_buff *var_mwl8k_tx_100_p2 ; [L13128] struct ieee80211_vif *var_group4 ; [L13129] u32 var_mwl8k_config_107_p1 ; [L13130] struct ieee80211_bss_conf *var_mwl8k_bss_info_changed_110_p2 ; [L13131] u32 var_mwl8k_bss_info_changed_110_p3 ; [L13132] struct netdev_hw_addr_list *var_group5 ; [L13133] unsigned int var_mwl8k_configure_filter_114_p1 ; [L13134] unsigned int *var_mwl8k_configure_filter_114_p2 ; [L13135] u64 var_mwl8k_configure_filter_114_p3 ; [L13136] enum set_key_cmd var_mwl8k_set_key_94_p1 ; [L13137] struct ieee80211_vif *var_mwl8k_set_key_94_p2 ; [L13138] struct ieee80211_sta *var_mwl8k_set_key_94_p3 ; [L13139] struct ieee80211_key_conf *var_mwl8k_set_key_94_p4 ; [L13140] u32 var_mwl8k_set_rts_threshold_115_p1 ; [L13141] struct ieee80211_sta *var_mwl8k_sta_add_117_p2 ; [L13142] struct ieee80211_sta *var_mwl8k_sta_remove_116_p2 ; [L13143] u16 var_mwl8k_conf_tx_118_p2 ; [L13144] struct ieee80211_tx_queue_params const *var_mwl8k_conf_tx_118_p3 ; [L13145] struct ieee80211_low_level_stats *var_group6 ; [L13146] int var_mwl8k_get_survey_120_p1 ; [L13147] struct survey_info *var_mwl8k_get_survey_120_p2 ; [L13148] enum ieee80211_ampdu_mlme_action var_mwl8k_ampdu_action_121_p2 ; [L13149] struct ieee80211_sta *var_mwl8k_ampdu_action_121_p3 ; [L13150] u16 var_mwl8k_ampdu_action_121_p4 ; [L13151] u16 *var_mwl8k_ampdu_action_121_p5 ; [L13152] u8 var_mwl8k_ampdu_action_121_p6 ; [L13153] struct pci_dev *var_group7 ; [L13154] struct pci_device_id const *var_mwl8k_probe_130_p1 ; [L13155] int res_mwl8k_probe_130 ; [L13156] int var_mwl8k_interrupt_97_p0 ; [L13157] void *var_mwl8k_interrupt_97_p1 ; [L13158] int ldv_s_mwl8k_driver_pci_driver ; [L13159] int tmp ; [L13160] int tmp___0 ; [L13162] ldv_s_mwl8k_driver_pci_driver = 0 [L13163] LDV_IN_INTERRUPT = 1 [L13164] CALL ldv_initialize() [L13732] ldv_mutex_fw_mutex_of_mwl8k_priv = 1 [L13733] ldv_mutex_lock = 1 [L13734] ldv_mutex_mutex_of_device = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L13164] RET ldv_initialize() [L13302] tmp___0 = __VERIFIER_nondet_int() [L13303] COND TRUE tmp___0 != 0 || ldv_s_mwl8k_driver_pci_driver != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp___0=1] [L13167] tmp = __VERIFIER_nondet_int() [L13169] case 0: [L13173] case 1: [L13178] case 2: [L13183] case 3: [L13187] case 4: [L13192] case 5: [L13197] case 6: [L13201] case 7: [L13205] case 8: [L13209] case 9: [L13213] case 10: [L13217] case 11: [L13221] case 12: VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=12, tmp___0=1] [L13222] FCALL ldv_handler_precall() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=12, tmp___0=1] [L13223-L13224] CALL mwl8k_bss_info_changed(var_group2, var_group4, var_mwl8k_bss_info_changed_110_p2, var_mwl8k_bss_info_changed_110_p3) [L11975] EXPR vif->type VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, vif={5242:5251}, vif={5242:5251}, vif->type=-4294967293] [L11975] COND FALSE !((unsigned int )vif->type == 2U) [L11979] EXPR vif->type VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, vif={5242:5251}, vif={5242:5251}, vif->type=-4294967293] [L11979] COND TRUE (unsigned int )vif->type == 3U [L11980] CALL mwl8k_bss_info_changed_ap(hw, vif, info, changed) [L11920] int rc ; [L11921] int tmp ; [L11922] int idx ; [L11923] int rate ; [L11924] struct sk_buff *skb ; VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, vif={5242:5251}, vif={5242:5251}] [L11926] CALL, EXPR mwl8k_fw_lock(hw) VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L9337] struct mwl8k_priv *priv ; [L9338] int rc ; [L9339] struct task_struct *tmp ; [L9341] EXPR hw->priv [L9341] priv = (struct mwl8k_priv *)hw->priv [L9342] CALL, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L6467] struct task_struct *pfo_ret__ ; [L6470] case 1UL: [L6473] case 2UL: [L6476] case 4UL: [L6479] case 8UL: VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L6486] return (pfo_ret__); VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, \result={0:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, pfo_ret__={0:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L9342] RET, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, get_current()={0:0}, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, priv={5249:-1526}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L9342] tmp = get_current() [L9343] EXPR priv->fw_mutex_owner VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, priv={5249:-1526}, priv->fw_mutex_owner={0:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp={0:0}] [L9343] COND FALSE !((unsigned long )priv->fw_mutex_owner != (unsigned long )tmp) [L9359] EXPR priv->fw_mutex_depth [L9359] priv->fw_mutex_depth = priv->fw_mutex_depth + 1 [L9360] return (0); VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, \result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, priv={5249:-1526}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp={0:0}] [L11926] RET, EXPR mwl8k_fw_lock(hw) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_fw_lock(hw)=0, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, vif={5242:5251}, vif={5242:5251}] [L11926] tmp = mwl8k_fw_lock(hw) [L11927] COND FALSE !(tmp != 0) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=0, vif={5242:5251}, vif={5242:5251}] [L11931] COND FALSE !((changed & 4U) != 0U) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=0, vif={5242:5251}, vif={5242:5251}] [L11939] COND FALSE !((changed & 32U) != 0U) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=0, vif={5242:5251}, vif={5242:5251}] [L11953] COND FALSE !((changed & 320U) != 0U) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=0, vif={5242:5251}, vif={5242:5251}] [L11962] COND FALSE !((changed & 512U) != 0U) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=0, vif={5242:5251}, vif={5242:5251}] [L11967] CALL mwl8k_fw_unlock(hw) VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L9365] struct mwl8k_priv *priv ; [L9367] EXPR hw->priv [L9367] priv = (struct mwl8k_priv *)hw->priv [L9368] EXPR priv->fw_mutex_depth [L9368] priv->fw_mutex_depth = priv->fw_mutex_depth - 1 [L9369] EXPR priv->fw_mutex_depth VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, priv={5249:-1526}, priv->fw_mutex_depth=0, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L9369] COND TRUE priv->fw_mutex_depth == 0 [L9370] EXPR priv->hw_restart_in_progress VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, priv={5249:-1526}, priv->hw_restart_in_progress=-255, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L9370] COND FALSE !(! priv->hw_restart_in_progress) [L9374] priv->fw_mutex_owner = 0 [L9375] CALL ldv_mutex_unlock_8(& priv->fw_mutex) [L13376] CALL ldv_mutex_unlock_fw_mutex_of_mwl8k_priv(ldv_func_arg1) VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, lock={5249:0}, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L13507] COND FALSE !(ldv_mutex_fw_mutex_of_mwl8k_priv == 2) VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, lock={5249:0}, lock={5249:0}, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L13509] CALL ldv_error() VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L13398] reach_error() VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 140 procedures, 2726 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 12676 SdHoareTripleChecker+Valid, 10.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12593 mSDsluCounter, 24171 SdHoareTripleChecker+Invalid, 10.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7864 mSDsCounter, 784 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3264 IncrementalHoareTripleChecker+Invalid, 4050 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 784 mSolverCounterUnsat, 16307 mSDtfsCounter, 3264 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5803occurred in iteration=4, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 4 MinimizatonAttempts, 304 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-22 23:34:44,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 23:34:46,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:34:46,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:34:46,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:34:46,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:34:46,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:34:46,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:34:46,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:34:46,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:34:46,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:34:46,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:34:46,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:34:46,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:34:46,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:34:46,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:34:46,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:34:46,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:34:46,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:34:46,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:34:46,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:34:46,742 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:34:46,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:34:46,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:34:46,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:34:46,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:34:46,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:34:46,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:34:46,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:34:46,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:34:46,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:34:46,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:34:46,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:34:46,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:34:46,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:34:46,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:34:46,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:34:46,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:34:46,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:34:46,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:34:46,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:34:46,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:34:46,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:34:46,765 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-22 23:34:46,800 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:34:46,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:34:46,800 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:34:46,801 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:34:46,801 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:34:46,801 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:34:46,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:34:46,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:34:46,802 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:34:46,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:34:46,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:34:46,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:34:46,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:34:46,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:34:46,803 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 23:34:46,804 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 23:34:46,804 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 23:34:46,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:34:46,805 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:34:46,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:34:46,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:34:46,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:34:46,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:34:46,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:34:46,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:34:46,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:34:46,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:34:46,807 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 23:34:46,808 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 23:34:46,808 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:34:46,808 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:34:46,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:34:46,808 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 23:34:46,808 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2022-07-22 23:34:47,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:34:47,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:34:47,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:34:47,111 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:34:47,111 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:34:47,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2022-07-22 23:34:47,174 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c0512ef/9d06bfdb41264e5dab08f8753993056e/FLAG5fe01d25e [2022-07-22 23:34:47,876 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:34:47,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2022-07-22 23:34:47,959 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c0512ef/9d06bfdb41264e5dab08f8753993056e/FLAG5fe01d25e [2022-07-22 23:34:48,446 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c0512ef/9d06bfdb41264e5dab08f8753993056e [2022-07-22 23:34:48,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:34:48,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:34:48,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:34:48,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:34:48,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:34:48,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:34:48" (1/1) ... [2022-07-22 23:34:48,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72007886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:48, skipping insertion in model container [2022-07-22 23:34:48,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:34:48" (1/1) ... [2022-07-22 23:34:48,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:34:48,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:34:50,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2022-07-22 23:34:50,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:34:50,912 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-22 23:34:50,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:34:51,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2022-07-22 23:34:51,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:34:51,292 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:34:51,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2022-07-22 23:34:51,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:34:51,653 INFO L208 MainTranslator]: Completed translation [2022-07-22 23:34:51,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:51 WrapperNode [2022-07-22 23:34:51,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 23:34:51,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 23:34:51,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 23:34:51,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 23:34:51,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:51" (1/1) ... [2022-07-22 23:34:51,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:51" (1/1) ... [2022-07-22 23:34:51,967 INFO L137 Inliner]: procedures = 414, calls = 3514, calls flagged for inlining = 185, calls inlined = 158, statements flattened = 6947 [2022-07-22 23:34:51,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 23:34:51,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 23:34:51,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 23:34:51,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 23:34:51,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:51" (1/1) ... [2022-07-22 23:34:51,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:51" (1/1) ... [2022-07-22 23:34:52,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:51" (1/1) ... [2022-07-22 23:34:52,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:51" (1/1) ... [2022-07-22 23:34:52,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:51" (1/1) ... [2022-07-22 23:34:52,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:51" (1/1) ... [2022-07-22 23:34:52,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:51" (1/1) ... [2022-07-22 23:34:52,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 23:34:52,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 23:34:52,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 23:34:52,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 23:34:52,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:51" (1/1) ... [2022-07-22 23:34:52,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:34:52,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:34:52,356 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) [2022-07-22 23:34:52,375 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 [2022-07-22 23:34:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-07-22 23:34:52,396 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-07-22 23:34:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-07-22 23:34:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-07-22 23:34:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-22 23:34:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-22 23:34:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-22 23:34:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-22 23:34:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-22 23:34:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-22 23:34:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-22 23:34:52,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-22 23:34:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-22 23:34:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-22 23:34:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-22 23:34:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-22 23:34:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-22 23:34:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-22 23:34:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-22 23:34:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-22 23:34:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-22 23:34:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-22 23:34:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2022-07-22 23:34:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2022-07-22 23:34:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-07-22 23:34:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-07-22 23:34:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-22 23:34:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-22 23:34:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-22 23:34:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-07-22 23:34:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-07-22 23:34:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-07-22 23:34:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-07-22 23:34:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2022-07-22 23:34:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2022-07-22 23:34:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-07-22 23:34:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-07-22 23:34:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-22 23:34:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-22 23:34:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 23:34:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-22 23:34:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 23:34:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-22 23:34:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-22 23:34:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-22 23:34:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-22 23:34:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-22 23:34:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-22 23:34:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-07-22 23:34:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-07-22 23:34:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-07-22 23:34:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-07-22 23:34:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-07-22 23:34:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-07-22 23:34:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-22 23:34:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-22 23:34:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-22 23:34:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-22 23:34:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-22 23:34:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-22 23:34:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-07-22 23:34:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-07-22 23:34:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-07-22 23:34:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-07-22 23:34:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-22 23:34:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-22 23:34:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-07-22 23:34:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-07-22 23:34:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-07-22 23:34:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-07-22 23:34:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-22 23:34:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-22 23:34:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-07-22 23:34:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-07-22 23:34:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-22 23:34:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-22 23:34:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-22 23:34:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-22 23:34:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-22 23:34:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-22 23:34:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2022-07-22 23:34:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2022-07-22 23:34:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-22 23:34:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-22 23:34:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-07-22 23:34:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-07-22 23:34:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-22 23:34:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-22 23:34:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-07-22 23:34:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-07-22 23:34:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 23:34:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-22 23:34:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-22 23:34:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 23:34:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-22 23:34:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-22 23:34:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-22 23:34:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-22 23:34:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 23:34:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-22 23:34:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-22 23:34:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-22 23:34:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-07-22 23:34:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-07-22 23:34:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-22 23:34:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-07-22 23:34:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-07-22 23:34:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-07-22 23:34:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-07-22 23:34:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-22 23:34:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-22 23:34:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-07-22 23:34:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-07-22 23:34:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-22 23:34:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-22 23:34:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-22 23:34:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-22 23:34:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-07-22 23:34:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-07-22 23:34:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-22 23:34:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 23:34:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 23:34:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-22 23:34:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-22 23:34:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-22 23:34:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-22 23:34:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-22 23:34:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-22 23:34:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-22 23:34:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-07-22 23:34:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-07-22 23:34:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-22 23:34:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2022-07-22 23:34:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2022-07-22 23:34:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-22 23:34:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-22 23:34:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-22 23:34:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 23:34:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-07-22 23:34:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-07-22 23:34:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2022-07-22 23:34:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2022-07-22 23:34:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-22 23:34:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-22 23:34:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-22 23:34:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-22 23:34:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-22 23:34:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-22 23:34:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-07-22 23:34:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-07-22 23:34:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-07-22 23:34:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-07-22 23:34:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-07-22 23:34:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-07-22 23:34:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-07-22 23:34:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-07-22 23:34:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-07-22 23:34:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-07-22 23:34:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-07-22 23:34:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-07-22 23:34:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-07-22 23:34:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-07-22 23:34:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-22 23:34:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-22 23:34:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-22 23:34:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-22 23:34:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-07-22 23:34:52,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-07-22 23:34:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-22 23:34:52,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-22 23:34:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-22 23:34:52,415 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-22 23:34:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-22 23:34:52,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-22 23:34:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-07-22 23:34:52,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-07-22 23:34:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-22 23:34:52,416 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-22 23:34:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-07-22 23:34:52,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-07-22 23:34:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-22 23:34:52,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-22 23:34:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-22 23:34:52,416 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-22 23:34:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-22 23:34:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-22 23:34:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-22 23:34:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-22 23:34:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-07-22 23:34:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-07-22 23:34:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-22 23:34:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-22 23:34:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-07-22 23:34:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-07-22 23:34:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-22 23:34:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-22 23:34:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-22 23:34:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-22 23:34:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 23:34:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-07-22 23:34:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-07-22 23:34:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 23:34:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-07-22 23:34:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-07-22 23:34:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-07-22 23:34:52,419 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-07-22 23:34:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-07-22 23:34:52,419 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-07-22 23:34:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-07-22 23:34:52,419 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-07-22 23:34:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-22 23:34:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-22 23:34:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-22 23:34:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-07-22 23:34:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-07-22 23:34:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-22 23:34:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 23:34:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-22 23:34:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-22 23:34:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-22 23:34:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-22 23:34:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-22 23:34:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-22 23:34:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-07-22 23:34:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-07-22 23:34:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-22 23:34:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-22 23:34:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-07-22 23:34:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-07-22 23:34:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-07-22 23:34:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-07-22 23:34:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-07-22 23:34:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-07-22 23:34:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-22 23:34:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-22 23:34:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2022-07-22 23:34:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2022-07-22 23:34:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-22 23:34:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-22 23:34:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-07-22 23:34:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-07-22 23:34:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-22 23:34:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-22 23:34:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-22 23:34:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-22 23:34:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-07-22 23:34:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-07-22 23:34:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-07-22 23:34:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-07-22 23:34:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-07-22 23:34:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-07-22 23:34:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-07-22 23:34:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-07-22 23:34:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-22 23:34:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-22 23:34:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-22 23:34:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-22 23:34:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-22 23:34:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-22 23:34:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-22 23:34:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-22 23:34:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-22 23:34:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-22 23:34:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-07-22 23:34:52,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-07-22 23:34:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-22 23:34:52,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-22 23:34:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-07-22 23:34:52,425 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-07-22 23:34:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-07-22 23:34:52,425 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-07-22 23:34:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-22 23:34:52,425 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-22 23:34:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-22 23:34:52,426 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-22 23:34:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-07-22 23:34:52,426 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-07-22 23:34:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-22 23:34:52,426 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-22 23:34:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-22 23:34:52,426 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-22 23:34:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-07-22 23:34:52,426 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-07-22 23:34:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-07-22 23:34:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-07-22 23:34:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-22 23:34:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-22 23:34:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-22 23:34:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-22 23:34:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-22 23:34:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-22 23:34:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-07-22 23:34:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-07-22 23:34:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-07-22 23:34:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-07-22 23:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-22 23:34:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-22 23:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-07-22 23:34:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-07-22 23:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-22 23:34:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-22 23:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-07-22 23:34:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-07-22 23:34:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-07-22 23:34:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-07-22 23:34:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-07-22 23:34:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-07-22 23:34:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-22 23:34:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-22 23:34:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-22 23:34:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-22 23:34:53,273 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 23:34:53,276 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 23:36:50,976 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 23:36:51,001 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 23:36:51,001 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 23:36:51,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:36:51 BoogieIcfgContainer [2022-07-22 23:36:51,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 23:36:51,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 23:36:51,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 23:36:51,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 23:36:51,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:34:48" (1/3) ... [2022-07-22 23:36:51,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d61449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:36:51, skipping insertion in model container [2022-07-22 23:36:51,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:51" (2/3) ... [2022-07-22 23:36:51,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d61449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:36:51, skipping insertion in model container [2022-07-22 23:36:51,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:36:51" (3/3) ... [2022-07-22 23:36:51,014 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2022-07-22 23:36:51,024 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 23:36:51,024 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 23:36:51,113 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 23:36:51,121 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=PETRI_NET, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@250a7976, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2667e65d [2022-07-22 23:36:51,121 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 23:36:51,140 INFO L276 IsEmpty]: Start isEmpty. Operand has 2660 states, 1873 states have (on average 1.3678590496529632) internal successors, (2562), 1940 states have internal predecessors, (2562), 646 states have call successors, (646), 139 states have call predecessors, (646), 139 states have return successors, (646), 632 states have call predecessors, (646), 646 states have call successors, (646) [2022-07-22 23:36:51,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-22 23:36:51,145 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:36:51,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:36:51,146 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:36:51,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:36:51,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1902675333, now seen corresponding path program 1 times [2022-07-22 23:36:51,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:36:51,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [117093571] [2022-07-22 23:36:51,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:36:51,163 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:36:51,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:36:51,169 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:36:51,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 23:36:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:36:53,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 1982 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:36:53,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:36:53,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:36:53,499 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:36:53,499 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:36:53,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [117093571] [2022-07-22 23:36:53,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [117093571] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:36:53,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:36:53,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:36:53,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435117789] [2022-07-22 23:36:53,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:36:53,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:36:53,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:36:53,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:36:53,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:36:53,525 INFO L87 Difference]: Start difference. First operand has 2660 states, 1873 states have (on average 1.3678590496529632) internal successors, (2562), 1940 states have internal predecessors, (2562), 646 states have call successors, (646), 139 states have call predecessors, (646), 139 states have return successors, (646), 632 states have call predecessors, (646), 646 states have call successors, (646) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 23:36:54,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:36:54,175 INFO L93 Difference]: Finished difference Result 7879 states and 11977 transitions. [2022-07-22 23:36:54,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:36:54,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-07-22 23:36:54,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:36:54,222 INFO L225 Difference]: With dead ends: 7879 [2022-07-22 23:36:54,223 INFO L226 Difference]: Without dead ends: 5192 [2022-07-22 23:36:54,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:36:54,251 INFO L413 NwaCegarLoop]: 4729 mSDtfsCounter, 3828 mSDsluCounter, 3905 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3828 SdHoareTripleChecker+Valid, 8634 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 23:36:54,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3828 Valid, 8634 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 23:36:54,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5192 states. [2022-07-22 23:36:54,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5192 to 5189. [2022-07-22 23:36:54,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5189 states, 3652 states have (on average 1.362541073384447) internal successors, (4976), 3776 states have internal predecessors, (4976), 1263 states have call successors, (1263), 275 states have call predecessors, (1263), 273 states have return successors, (1452), 1229 states have call predecessors, (1452), 1257 states have call successors, (1452) [2022-07-22 23:36:54,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 5189 states and 7691 transitions. [2022-07-22 23:36:54,666 INFO L78 Accepts]: Start accepts. Automaton has 5189 states and 7691 transitions. Word has length 9 [2022-07-22 23:36:54,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:36:54,666 INFO L495 AbstractCegarLoop]: Abstraction has 5189 states and 7691 transitions. [2022-07-22 23:36:54,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 23:36:54,667 INFO L276 IsEmpty]: Start isEmpty. Operand 5189 states and 7691 transitions. [2022-07-22 23:36:54,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-22 23:36:54,668 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:36:54,668 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:36:54,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-22 23:36:54,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:36:54,884 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:36:54,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:36:54,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1147815645, now seen corresponding path program 1 times [2022-07-22 23:36:54,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:36:54,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [504804646] [2022-07-22 23:36:54,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:36:54,887 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:36:54,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:36:54,889 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:36:54,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 23:36:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:36:56,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 1983 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:36:56,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:36:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:36:57,068 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:36:57,069 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:36:57,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [504804646] [2022-07-22 23:36:57,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [504804646] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:36:57,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:36:57,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:36:57,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960019081] [2022-07-22 23:36:57,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:36:57,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:36:57,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:36:57,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:36:57,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:36:57,071 INFO L87 Difference]: Start difference. First operand 5189 states and 7691 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 23:36:57,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:36:57,370 INFO L93 Difference]: Finished difference Result 5191 states and 7692 transitions. [2022-07-22 23:36:57,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:36:57,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-07-22 23:36:57,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:36:57,397 INFO L225 Difference]: With dead ends: 5191 [2022-07-22 23:36:57,398 INFO L226 Difference]: Without dead ends: 5188 [2022-07-22 23:36:57,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:36:57,402 INFO L413 NwaCegarLoop]: 3813 mSDtfsCounter, 3807 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3807 SdHoareTripleChecker+Valid, 3813 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 23:36:57,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3807 Valid, 3813 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 23:36:57,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5188 states. [2022-07-22 23:36:57,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5188 to 5188. [2022-07-22 23:36:57,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5188 states, 3652 states have (on average 1.3622672508214677) internal successors, (4975), 3775 states have internal predecessors, (4975), 1262 states have call successors, (1262), 275 states have call predecessors, (1262), 273 states have return successors, (1452), 1229 states have call predecessors, (1452), 1257 states have call successors, (1452) [2022-07-22 23:36:57,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5188 states to 5188 states and 7689 transitions. [2022-07-22 23:36:57,563 INFO L78 Accepts]: Start accepts. Automaton has 5188 states and 7689 transitions. Word has length 10 [2022-07-22 23:36:57,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:36:57,563 INFO L495 AbstractCegarLoop]: Abstraction has 5188 states and 7689 transitions. [2022-07-22 23:36:57,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 23:36:57,564 INFO L276 IsEmpty]: Start isEmpty. Operand 5188 states and 7689 transitions. [2022-07-22 23:36:57,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-22 23:36:57,564 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:36:57,564 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:36:57,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-22 23:36:57,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:36:57,791 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:36:57,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:36:57,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1223750584, now seen corresponding path program 1 times [2022-07-22 23:36:57,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:36:57,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [879227170] [2022-07-22 23:36:57,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:36:57,794 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:36:57,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:36:57,799 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:36:57,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-22 23:36:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:36:59,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 1984 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:36:59,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:36:59,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:36:59,859 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:36:59,859 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:36:59,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [879227170] [2022-07-22 23:36:59,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [879227170] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:36:59,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:36:59,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:36:59,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786780282] [2022-07-22 23:36:59,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:36:59,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:36:59,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:36:59,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:36:59,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:36:59,861 INFO L87 Difference]: Start difference. First operand 5188 states and 7689 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 23:37:00,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:37:00,082 INFO L93 Difference]: Finished difference Result 5190 states and 7690 transitions. [2022-07-22 23:37:00,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:37:00,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-07-22 23:37:00,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:37:00,129 INFO L225 Difference]: With dead ends: 5190 [2022-07-22 23:37:00,129 INFO L226 Difference]: Without dead ends: 5183 [2022-07-22 23:37:00,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:37:00,132 INFO L413 NwaCegarLoop]: 3812 mSDtfsCounter, 3804 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3804 SdHoareTripleChecker+Valid, 3812 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 23:37:00,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3804 Valid, 3812 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 23:37:00,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5183 states. [2022-07-22 23:37:00,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5183 to 5183. [2022-07-22 23:37:00,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5183 states, 3648 states have (on average 1.361842105263158) internal successors, (4968), 3770 states have internal predecessors, (4968), 1261 states have call successors, (1261), 275 states have call predecessors, (1261), 273 states have return successors, (1452), 1229 states have call predecessors, (1452), 1257 states have call successors, (1452) [2022-07-22 23:37:00,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 7681 transitions. [2022-07-22 23:37:00,380 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 7681 transitions. Word has length 11 [2022-07-22 23:37:00,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:37:00,380 INFO L495 AbstractCegarLoop]: Abstraction has 5183 states and 7681 transitions. [2022-07-22 23:37:00,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 23:37:00,381 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 7681 transitions. [2022-07-22 23:37:00,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-22 23:37:00,389 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:37:00,390 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:37:00,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-22 23:37:00,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:37:00,604 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:37:00,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:37:00,604 INFO L85 PathProgramCache]: Analyzing trace with hash 914557151, now seen corresponding path program 1 times [2022-07-22 23:37:00,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:37:00,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781573890] [2022-07-22 23:37:00,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:37:00,607 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:37:00,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:37:00,611 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:37:00,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-22 23:37:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:37:02,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 2159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:37:02,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:37:02,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:37:02,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:37:02,732 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:37:02,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [781573890] [2022-07-22 23:37:02,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [781573890] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:37:02,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:37:02,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:37:02,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921388945] [2022-07-22 23:37:02,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:37:02,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:37:02,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:37:02,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:37:02,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:37:02,734 INFO L87 Difference]: Start difference. First operand 5183 states and 7681 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-22 23:37:03,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:37:03,076 INFO L93 Difference]: Finished difference Result 10365 states and 15741 transitions. [2022-07-22 23:37:03,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:37:03,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 55 [2022-07-22 23:37:03,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:37:03,108 INFO L225 Difference]: With dead ends: 10365 [2022-07-22 23:37:03,108 INFO L226 Difference]: Without dead ends: 5185 [2022-07-22 23:37:03,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:37:03,153 INFO L413 NwaCegarLoop]: 3805 mSDtfsCounter, 0 mSDsluCounter, 3798 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7603 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 23:37:03,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7603 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 23:37:03,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5185 states. [2022-07-22 23:37:03,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5185 to 5183. [2022-07-22 23:37:03,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5183 states, 3648 states have (on average 1.3601973684210527) internal successors, (4962), 3770 states have internal predecessors, (4962), 1261 states have call successors, (1261), 275 states have call predecessors, (1261), 273 states have return successors, (1452), 1229 states have call predecessors, (1452), 1257 states have call successors, (1452) [2022-07-22 23:37:03,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 7675 transitions. [2022-07-22 23:37:03,368 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 7675 transitions. Word has length 55 [2022-07-22 23:37:03,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:37:03,369 INFO L495 AbstractCegarLoop]: Abstraction has 5183 states and 7675 transitions. [2022-07-22 23:37:03,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-22 23:37:03,369 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 7675 transitions. [2022-07-22 23:37:03,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-22 23:37:03,390 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:37:03,390 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:37:03,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-22 23:37:03,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:37:03,611 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:37:03,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:37:03,612 INFO L85 PathProgramCache]: Analyzing trace with hash -683062343, now seen corresponding path program 1 times [2022-07-22 23:37:03,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:37:03,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [605381830] [2022-07-22 23:37:03,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:37:03,614 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:37:03,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:37:03,632 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:37:03,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process