./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 f4b24e32 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-?-f4b24e3 [2022-07-13 23:57:38,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:57:38,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:57:38,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:57:38,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:57:38,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:57:38,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:57:38,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:57:38,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:57:38,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:57:38,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:57:38,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:57:38,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:57:38,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:57:38,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:57:38,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:57:38,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:57:38,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:57:38,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:57:38,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:57:38,724 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:57:38,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:57:38,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:57:38,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:57:38,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:57:38,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:57:38,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:57:38,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:57:38,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:57:38,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:57:38,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:57:38,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:57:38,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:57:38,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:57:38,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:57:38,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:57:38,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:57:38,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:57:38,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:57:38,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:57:38,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:57:38,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:57:38,736 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-13 23:57:38,764 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:57:38,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:57:38,766 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:57:38,766 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:57:38,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:57:38,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:57:38,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:57:38,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:57:38,768 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:57:38,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:57:38,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 23:57:38,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:57:38,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:57:38,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:57:38,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:57:38,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:57:38,769 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:57:38,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:57:38,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:57:38,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:57:38,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:57:38,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:57:38,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:57:38,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:57:38,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:57:38,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 23:57:38,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 23:57:38,772 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:57:38,772 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:57:38,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:57:38,772 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2022-07-13 23:57:38,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:57:38,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:57:38,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:57:38,975 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:57:38,975 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:57:38,976 INFO L432 ainManager$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 [2022-07-13 23:57:39,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252ae8ae7/e1afcb5ec68a43ecb07eaf9ee5fe2c56/FLAG427d02fd8 [2022-07-13 23:57:39,837 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:57:39,839 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 [2022-07-13 23:57:39,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252ae8ae7/e1afcb5ec68a43ecb07eaf9ee5fe2c56/FLAG427d02fd8 [2022-07-13 23:57:40,316 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252ae8ae7/e1afcb5ec68a43ecb07eaf9ee5fe2c56 [2022-07-13 23:57:40,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:57:40,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:57:40,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:57:40,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:57:40,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:57:40,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:57:40" (1/1) ... [2022-07-13 23:57:40,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@141ce668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:40, skipping insertion in model container [2022-07-13 23:57:40,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:57:40" (1/1) ... [2022-07-13 23:57:40,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:57:40,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:57:42,590 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] [2022-07-13 23:57:42,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:57:42,717 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:57:43,035 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] [2022-07-13 23:57:43,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:57:43,122 INFO L208 MainTranslator]: Completed translation [2022-07-13 23:57:43,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43 WrapperNode [2022-07-13 23:57:43,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 23:57:43,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 23:57:43,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 23:57:43,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 23:57:43,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (1/1) ... [2022-07-13 23:57:43,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (1/1) ... [2022-07-13 23:57:43,463 INFO L137 Inliner]: procedures = 399, calls = 3514, calls flagged for inlining = 185, calls inlined = 158, statements flattened = 7309 [2022-07-13 23:57:43,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 23:57:43,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 23:57:43,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 23:57:43,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 23:57:43,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (1/1) ... [2022-07-13 23:57:43,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (1/1) ... [2022-07-13 23:57:43,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (1/1) ... [2022-07-13 23:57:43,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (1/1) ... [2022-07-13 23:57:43,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (1/1) ... [2022-07-13 23:57:43,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (1/1) ... [2022-07-13 23:57:43,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (1/1) ... [2022-07-13 23:57:43,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 23:57:43,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 23:57:43,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 23:57:43,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 23:57:43,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (1/1) ... [2022-07-13 23:57:43,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:57:43,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:57:43,868 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) [2022-07-13 23:57:43,930 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 [2022-07-13 23:57:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-07-13 23:57:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-07-13 23:57:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-07-13 23:57:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-07-13 23:57:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-13 23:57:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-13 23:57:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-13 23:57:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-13 23:57:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-13 23:57:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-13 23:57:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-13 23:57:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-13 23:57:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-13 23:57:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-13 23:57:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-13 23:57:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-13 23:57:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-13 23:57:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-13 23:57:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-13 23:57:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-13 23:57:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-13 23:57:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-13 23:57:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2022-07-13 23:57:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2022-07-13 23:57:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-07-13 23:57:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-07-13 23:57:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-13 23:57:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-13 23:57:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-13 23:57:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-07-13 23:57:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-07-13 23:57:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-07-13 23:57:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-07-13 23:57:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2022-07-13 23:57:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2022-07-13 23:57:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-07-13 23:57:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-07-13 23:57:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-13 23:57:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-13 23:57:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 23:57:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-13 23:57:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-13 23:57:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-13 23:57:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-13 23:57:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-07-13 23:57:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-07-13 23:57:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-07-13 23:57:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-07-13 23:57:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-07-13 23:57:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-07-13 23:57:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-13 23:57:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-13 23:57:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-13 23:57:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-13 23:57:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-13 23:57:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-13 23:57:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-13 23:57:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-07-13 23:57:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-07-13 23:57:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-13 23:57:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-07-13 23:57:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-07-13 23:57:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 23:57:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-13 23:57:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-13 23:57:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-07-13 23:57:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-07-13 23:57:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-07-13 23:57:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-07-13 23:57:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-13 23:57:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-13 23:57:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-07-13 23:57:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-07-13 23:57:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-13 23:57:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-13 23:57:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-13 23:57:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-13 23:57:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-13 23:57:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-13 23:57:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2022-07-13 23:57:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2022-07-13 23:57:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-13 23:57:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-13 23:57:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-07-13 23:57:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-07-13 23:57:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-13 23:57:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-13 23:57:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-07-13 23:57:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-07-13 23:57:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 23:57:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-13 23:57:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-13 23:57:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 23:57:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-13 23:57:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-13 23:57:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-13 23:57:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-13 23:57:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 23:57:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-13 23:57:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-07-13 23:57:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-07-13 23:57:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-07-13 23:57:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-07-13 23:57:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-07-13 23:57:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-07-13 23:57:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-13 23:57:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-13 23:57:43,954 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-07-13 23:57:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-07-13 23:57:43,954 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-13 23:57:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-13 23:57:43,954 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-13 23:57:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-13 23:57:43,954 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-07-13 23:57:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-07-13 23:57:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 23:57:43,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 23:57:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-13 23:57:43,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-13 23:57:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-13 23:57:43,955 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-13 23:57:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-13 23:57:43,955 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-13 23:57:43,956 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-07-13 23:57:43,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-07-13 23:57:43,956 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2022-07-13 23:57:43,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2022-07-13 23:57:43,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-13 23:57:43,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-13 23:57:43,956 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-07-13 23:57:43,956 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-07-13 23:57:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2022-07-13 23:57:43,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2022-07-13 23:57:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-13 23:57:43,957 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-13 23:57:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-13 23:57:43,957 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-13 23:57:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-13 23:57:43,957 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-13 23:57:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-07-13 23:57:43,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-07-13 23:57:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-07-13 23:57:43,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-07-13 23:57:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-07-13 23:57:43,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-07-13 23:57:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-07-13 23:57:43,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-07-13 23:57:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-07-13 23:57:43,959 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-07-13 23:57:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-07-13 23:57:43,959 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-07-13 23:57:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-07-13 23:57:43,959 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-07-13 23:57:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-13 23:57:43,959 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-13 23:57:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-13 23:57:43,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-13 23:57:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-07-13 23:57:43,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-07-13 23:57:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-13 23:57:43,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-13 23:57:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-13 23:57:43,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-13 23:57:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-13 23:57:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-13 23:57:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-07-13 23:57:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-07-13 23:57:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-13 23:57:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-13 23:57:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-07-13 23:57:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-07-13 23:57:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-13 23:57:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-13 23:57:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-13 23:57:43,962 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-13 23:57:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-13 23:57:43,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-13 23:57:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-13 23:57:43,962 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-13 23:57:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-07-13 23:57:43,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-07-13 23:57:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-13 23:57:43,963 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-13 23:57:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-07-13 23:57:43,963 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-07-13 23:57:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-13 23:57:43,963 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-13 23:57:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-13 23:57:43,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-13 23:57:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 23:57:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-07-13 23:57:43,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-07-13 23:57:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 23:57:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-07-13 23:57:43,964 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-07-13 23:57:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-07-13 23:57:43,964 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-07-13 23:57:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-07-13 23:57:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-07-13 23:57:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-07-13 23:57:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-07-13 23:57:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-07-13 23:57:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-07-13 23:57:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 23:57:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-13 23:57:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-13 23:57:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-13 23:57:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-13 23:57:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-13 23:57:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-13 23:57:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-07-13 23:57:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-07-13 23:57:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-13 23:57:43,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-13 23:57:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-07-13 23:57:43,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-07-13 23:57:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-07-13 23:57:43,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-07-13 23:57:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-07-13 23:57:43,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-07-13 23:57:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-13 23:57:43,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-13 23:57:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2022-07-13 23:57:43,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2022-07-13 23:57:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-13 23:57:43,968 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-13 23:57:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-07-13 23:57:43,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-07-13 23:57:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-13 23:57:43,968 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-13 23:57:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-13 23:57:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-13 23:57:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-07-13 23:57:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-07-13 23:57:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-07-13 23:57:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-07-13 23:57:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-07-13 23:57:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-07-13 23:57:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-07-13 23:57:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-07-13 23:57:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-13 23:57:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-13 23:57:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-13 23:57:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-13 23:57:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 23:57:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-13 23:57:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-13 23:57:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-07-13 23:57:43,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-07-13 23:57:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-13 23:57:43,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-13 23:57:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-07-13 23:57:43,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-07-13 23:57:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-07-13 23:57:43,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-07-13 23:57:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-13 23:57:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-13 23:57:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-13 23:57:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-13 23:57:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-07-13 23:57:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-07-13 23:57:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-13 23:57:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-13 23:57:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-13 23:57:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-13 23:57:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-07-13 23:57:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-07-13 23:57:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-07-13 23:57:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-07-13 23:57:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-13 23:57:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-13 23:57:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-13 23:57:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-13 23:57:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-13 23:57:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-13 23:57:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-07-13 23:57:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-07-13 23:57:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-07-13 23:57:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-07-13 23:57:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-13 23:57:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-13 23:57:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-07-13 23:57:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-07-13 23:57:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-13 23:57:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-13 23:57:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 23:57:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-07-13 23:57:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-07-13 23:57:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-07-13 23:57:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-07-13 23:57:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-07-13 23:57:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-07-13 23:57:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-13 23:57:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-13 23:57:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-13 23:57:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-13 23:57:44,774 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 23:57:44,777 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 23:57:55,818 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 23:57:55,832 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 23:57:55,832 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 23:57:55,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:57:55 BoogieIcfgContainer [2022-07-13 23:57:55,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 23:57:55,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 23:57:55,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 23:57:55,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 23:57:55,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:57:40" (1/3) ... [2022-07-13 23:57:55,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ebdb933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:57:55, skipping insertion in model container [2022-07-13 23:57:55,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (2/3) ... [2022-07-13 23:57:55,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ebdb933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:57:55, skipping insertion in model container [2022-07-13 23:57:55,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:57:55" (3/3) ... [2022-07-13 23:57:55,844 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2022-07-13 23:57:55,853 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 23:57:55,853 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 23:57:55,926 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 23:57:55,931 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@4d304af2, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@21e5f44d [2022-07-13 23:57:55,931 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 23:57:55,940 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) [2022-07-13 23:57:55,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-13 23:57:55,944 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:57:55,945 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:57:55,945 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:57:55,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:57:55,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1788196537, now seen corresponding path program 1 times [2022-07-13 23:57:55,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:57:55,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519820052] [2022-07-13 23:57:55,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:57:55,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:57:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:57:56,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:57:56,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:57:56,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519820052] [2022-07-13 23:57:56,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519820052] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:57:56,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:57:56,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:57:56,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241765665] [2022-07-13 23:57:56,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:57:56,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:57:56,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:57:56,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:57:56,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:57:56,417 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) [2022-07-13 23:57:56,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:57:56,877 INFO L93 Difference]: Finished difference Result 8077 states and 12365 transitions. [2022-07-13 23:57:56,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:57:56,879 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 [2022-07-13 23:57:56,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:57:56,921 INFO L225 Difference]: With dead ends: 8077 [2022-07-13 23:57:56,921 INFO L226 Difference]: Without dead ends: 5324 [2022-07-13 23:57:56,957 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 [2022-07-13 23:57:56,961 INFO L413 NwaCegarLoop]: 4665 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, 8655 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 [2022-07-13 23:57:56,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3913 Valid, 8655 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 23:57:56,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5324 states. [2022-07-13 23:57:57,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5324 to 5321. [2022-07-13 23:57:57,182 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) [2022-07-13 23:57:57,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5321 states to 5321 states and 7861 transitions. [2022-07-13 23:57:57,218 INFO L78 Accepts]: Start accepts. Automaton has 5321 states and 7861 transitions. Word has length 9 [2022-07-13 23:57:57,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:57:57,219 INFO L495 AbstractCegarLoop]: Abstraction has 5321 states and 7861 transitions. [2022-07-13 23:57:57,219 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) [2022-07-13 23:57:57,220 INFO L276 IsEmpty]: Start isEmpty. Operand 5321 states and 7861 transitions. [2022-07-13 23:57:57,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-13 23:57:57,220 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:57:57,221 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:57:57,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 23:57:57,221 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:57:57,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:57:57,222 INFO L85 PathProgramCache]: Analyzing trace with hash 399282008, now seen corresponding path program 1 times [2022-07-13 23:57:57,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:57:57,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440509817] [2022-07-13 23:57:57,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:57:57,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:57:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:57:57,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:57:57,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:57:57,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440509817] [2022-07-13 23:57:57,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440509817] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:57:57,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:57:57,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:57:57,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653900960] [2022-07-13 23:57:57,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:57:57,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:57:57,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:57:57,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:57:57,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:57:57,358 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) [2022-07-13 23:57:57,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:57:57,503 INFO L93 Difference]: Finished difference Result 5323 states and 7862 transitions. [2022-07-13 23:57:57,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:57:57,504 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 [2022-07-13 23:57:57,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:57:57,535 INFO L225 Difference]: With dead ends: 5323 [2022-07-13 23:57:57,535 INFO L226 Difference]: Without dead ends: 5320 [2022-07-13 23:57:57,542 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 [2022-07-13 23:57:57,544 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 [2022-07-13 23:57:57,544 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] [2022-07-13 23:57:57,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5320 states. [2022-07-13 23:57:57,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5320 to 5320. [2022-07-13 23:57:57,705 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) [2022-07-13 23:57:57,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5320 states to 5320 states and 7859 transitions. [2022-07-13 23:57:57,732 INFO L78 Accepts]: Start accepts. Automaton has 5320 states and 7859 transitions. Word has length 10 [2022-07-13 23:57:57,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:57:57,733 INFO L495 AbstractCegarLoop]: Abstraction has 5320 states and 7859 transitions. [2022-07-13 23:57:57,733 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) [2022-07-13 23:57:57,734 INFO L276 IsEmpty]: Start isEmpty. Operand 5320 states and 7859 transitions. [2022-07-13 23:57:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-13 23:57:57,734 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:57:57,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:57:57,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 23:57:57,735 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:57:57,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:57:57,735 INFO L85 PathProgramCache]: Analyzing trace with hash -508354966, now seen corresponding path program 1 times [2022-07-13 23:57:57,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:57:57,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641708129] [2022-07-13 23:57:57,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:57:57,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:57:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:57:57,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:57:57,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:57:57,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641708129] [2022-07-13 23:57:57,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641708129] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:57:57,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:57:57,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:57:57,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340893843] [2022-07-13 23:57:57,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:57:57,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:57:57,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:57:57,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:57:57,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:57:57,876 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) [2022-07-13 23:57:57,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:57:57,997 INFO L93 Difference]: Finished difference Result 5322 states and 7860 transitions. [2022-07-13 23:57:58,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:57:58,001 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 [2022-07-13 23:57:58,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:57:58,025 INFO L225 Difference]: With dead ends: 5322 [2022-07-13 23:57:58,026 INFO L226 Difference]: Without dead ends: 5315 [2022-07-13 23:57:58,031 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 [2022-07-13 23:57:58,034 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 [2022-07-13 23:57:58,035 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] [2022-07-13 23:57:58,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5315 states. [2022-07-13 23:57:58,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5315 to 5315. [2022-07-13 23:57:58,261 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) [2022-07-13 23:57:58,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5315 states to 5315 states and 7851 transitions. [2022-07-13 23:57:58,306 INFO L78 Accepts]: Start accepts. Automaton has 5315 states and 7851 transitions. Word has length 11 [2022-07-13 23:57:58,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:57:58,306 INFO L495 AbstractCegarLoop]: Abstraction has 5315 states and 7851 transitions. [2022-07-13 23:57:58,307 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) [2022-07-13 23:57:58,307 INFO L276 IsEmpty]: Start isEmpty. Operand 5315 states and 7851 transitions. [2022-07-13 23:57:58,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-13 23:57:58,319 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:57:58,319 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] [2022-07-13 23:57:58,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 23:57:58,319 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:57:58,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:57:58,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1992860220, now seen corresponding path program 1 times [2022-07-13 23:57:58,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:57:58,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145702275] [2022-07-13 23:57:58,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:57:58,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:57:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:57:58,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 23:57:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:57:58,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-13 23:57:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:57:58,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:57:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:57:58,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:57:58,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:57:58,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145702275] [2022-07-13 23:57:58,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145702275] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:57:58,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:57:58,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 23:57:58,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560423743] [2022-07-13 23:57:58,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:57:58,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 23:57:58,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:57:58,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 23:57:58,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 23:57:58,680 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) [2022-07-13 23:58:01,738 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:58:04,578 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:58:10,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:58:10,016 INFO L93 Difference]: Finished difference Result 11416 states and 17606 transitions. [2022-07-13 23:58:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 23:58:10,018 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 [2022-07-13 23:58:10,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:58:10,091 INFO L225 Difference]: With dead ends: 11416 [2022-07-13 23:58:10,106 INFO L226 Difference]: Without dead ends: 6104 [2022-07-13 23:58:10,164 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 [2022-07-13 23:58:10,170 INFO L413 NwaCegarLoop]: 3688 mSDtfsCounter, 899 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 3248 mSolverCounterSat, 777 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 982 SdHoareTripleChecker+Valid, 7530 SdHoareTripleChecker+Invalid, 4027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 777 IncrementalHoareTripleChecker+Valid, 3248 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-07-13 23:58:10,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [982 Valid, 7530 Invalid, 4027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [777 Valid, 3248 Invalid, 2 Unknown, 0 Unchecked, 10.9s Time] [2022-07-13 23:58:10,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6104 states. [2022-07-13 23:58:10,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6104 to 5803. [2022-07-13 23:58:10,506 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) [2022-07-13 23:58:10,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5803 states to 5803 states and 8777 transitions. [2022-07-13 23:58:10,536 INFO L78 Accepts]: Start accepts. Automaton has 5803 states and 8777 transitions. Word has length 55 [2022-07-13 23:58:10,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:58:10,537 INFO L495 AbstractCegarLoop]: Abstraction has 5803 states and 8777 transitions. [2022-07-13 23:58:10,537 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) [2022-07-13 23:58:10,537 INFO L276 IsEmpty]: Start isEmpty. Operand 5803 states and 8777 transitions. [2022-07-13 23:58:10,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-13 23:58:10,543 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:58:10,543 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] [2022-07-13 23:58:10,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 23:58:10,544 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:58:10,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:58:10,544 INFO L85 PathProgramCache]: Analyzing trace with hash -680247914, now seen corresponding path program 1 times [2022-07-13 23:58:10,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:58:10,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955244151] [2022-07-13 23:58:10,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:58:10,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:58:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 23:58:10,753 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 23:58:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 23:58:10,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 23:58:10,967 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-13 23:58:10,967 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 23:58:10,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 23:58:10,971 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-13 23:58:10,973 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 23:58:11,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 11:58:11 BoogieIcfgContainer [2022-07-13 23:58:11,079 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 23:58:11,079 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 23:58:11,079 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 23:58:11,080 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 23:58:11,080 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:57:55" (3/4) ... [2022-07-13 23:58:11,082 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 23:58:11,082 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 23:58:11,083 INFO L158 Benchmark]: Toolchain (without parser) took 30763.50ms. Allocated memory was 155.2MB in the beginning and 998.2MB in the end (delta: 843.1MB). Free memory was 98.8MB in the beginning and 628.9MB in the end (delta: -530.1MB). Peak memory consumption was 312.7MB. Max. memory is 16.1GB. [2022-07-13 23:58:11,083 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory was 132.6MB in the beginning and 132.5MB in the end (delta: 79.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 23:58:11,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2804.57ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 98.6MB in the beginning and 83.4MB in the end (delta: 15.2MB). Peak memory consumption was 107.7MB. Max. memory is 16.1GB. [2022-07-13 23:58:11,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 339.05ms. Allocated memory is still 199.2MB. Free memory was 83.4MB in the beginning and 79.1MB in the end (delta: 4.4MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2022-07-13 23:58:11,084 INFO L158 Benchmark]: Boogie Preprocessor took 360.90ms. Allocated memory was 199.2MB in the beginning and 343.9MB in the end (delta: 144.7MB). Free memory was 79.1MB in the beginning and 198.5MB in the end (delta: -119.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-07-13 23:58:11,084 INFO L158 Benchmark]: RCFGBuilder took 12011.39ms. Allocated memory was 343.9MB in the beginning and 998.2MB in the end (delta: 654.3MB). Free memory was 198.5MB in the beginning and 505.7MB in the end (delta: -307.2MB). Peak memory consumption was 393.2MB. Max. memory is 16.1GB. [2022-07-13 23:58:11,084 INFO L158 Benchmark]: TraceAbstraction took 15239.36ms. Allocated memory is still 998.2MB. Free memory was 505.7MB in the beginning and 628.9MB in the end (delta: -123.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 23:58:11,084 INFO L158 Benchmark]: Witness Printer took 2.79ms. Allocated memory is still 998.2MB. Free memory is still 628.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 23:58:11,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory was 132.6MB in the beginning and 132.5MB in the end (delta: 79.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2804.57ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 98.6MB in the beginning and 83.4MB in the end (delta: 15.2MB). Peak memory consumption was 107.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 339.05ms. Allocated memory is still 199.2MB. Free memory was 83.4MB in the beginning and 79.1MB in the end (delta: 4.4MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 360.90ms. Allocated memory was 199.2MB in the beginning and 343.9MB in the end (delta: 144.7MB). Free memory was 79.1MB in the beginning and 198.5MB in the end (delta: -119.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * RCFGBuilder took 12011.39ms. Allocated memory was 343.9MB in the beginning and 998.2MB in the end (delta: 654.3MB). Free memory was 198.5MB in the beginning and 505.7MB in the end (delta: -307.2MB). Peak memory consumption was 393.2MB. Max. memory is 16.1GB. * TraceAbstraction took 15239.36ms. Allocated memory is still 998.2MB. Free memory was 505.7MB in the beginning and 628.9MB in the end (delta: -123.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.79ms. Allocated memory is still 998.2MB. Free memory is still 628.9MB. 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: 15.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 12676 SdHoareTripleChecker+Valid, 11.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12593 mSDsluCounter, 23980 SdHoareTripleChecker+Invalid, 10.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7832 mSDsCounter, 784 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3262 IncrementalHoareTripleChecker+Invalid, 4048 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 784 mSolverCounterUnsat, 16148 mSDtfsCounter, 3262 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: 1.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 304 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.5s 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 [2022-07-13 23:58:11,137 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-?-f4b24e3 [2022-07-13 23:58:12,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:58:12,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:58:12,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:58:12,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:58:12,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:58:12,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:58:12,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:58:12,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:58:12,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:58:12,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:58:12,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:58:12,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:58:12,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:58:12,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:58:12,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:58:12,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:58:12,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:58:12,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:58:12,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:58:12,882 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:58:12,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:58:12,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:58:12,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:58:12,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:58:12,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:58:12,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:58:12,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:58:12,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:58:12,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:58:12,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:58:12,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:58:12,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:58:12,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:58:12,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:58:12,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:58:12,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:58:12,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:58:12,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:58:12,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:58:12,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:58:12,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:58:12,906 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-13 23:58:12,937 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:58:12,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:58:12,938 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:58:12,938 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:58:12,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:58:12,939 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:58:12,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:58:12,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:58:12,940 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:58:12,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:58:12,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:58:12,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:58:12,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:58:12,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:58:12,942 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 23:58:12,942 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 23:58:12,942 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 23:58:12,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:58:12,943 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:58:12,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:58:12,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:58:12,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:58:12,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:58:12,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:58:12,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:58:12,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:58:12,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:58:12,944 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 23:58:12,944 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 23:58:12,944 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:58:12,945 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:58:12,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:58:12,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 23:58:12,945 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2022-07-13 23:58:13,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:58:13,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:58:13,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:58:13,233 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:58:13,233 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:58:13,234 INFO L432 ainManager$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 [2022-07-13 23:58:13,293 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de39f9a61/e6bd3dddd11f48ff8deba5b3a6826086/FLAGa523b3a11 [2022-07-13 23:58:13,905 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:58:13,906 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 [2022-07-13 23:58:13,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de39f9a61/e6bd3dddd11f48ff8deba5b3a6826086/FLAGa523b3a11 [2022-07-13 23:58:14,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de39f9a61/e6bd3dddd11f48ff8deba5b3a6826086 [2022-07-13 23:58:14,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:58:14,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:58:14,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:58:14,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:58:14,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:58:14,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:58:14" (1/1) ... [2022-07-13 23:58:14,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72748e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:58:14, skipping insertion in model container [2022-07-13 23:58:14,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:58:14" (1/1) ... [2022-07-13 23:58:14,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:58:14,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:58:16,266 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] [2022-07-13 23:58:16,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:58:16,472 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-13 23:58:16,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:58:16,835 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] [2022-07-13 23:58:16,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:58:16,871 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:58:17,170 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] [2022-07-13 23:58:17,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:58:17,273 INFO L208 MainTranslator]: Completed translation [2022-07-13 23:58:17,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:58:17 WrapperNode [2022-07-13 23:58:17,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 23:58:17,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 23:58:17,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 23:58:17,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 23:58:17,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:58:17" (1/1) ... [2022-07-13 23:58:17,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:58:17" (1/1) ... [2022-07-13 23:58:17,567 INFO L137 Inliner]: procedures = 414, calls = 3514, calls flagged for inlining = 185, calls inlined = 158, statements flattened = 6947 [2022-07-13 23:58:17,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 23:58:17,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 23:58:17,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 23:58:17,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 23:58:17,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:58:17" (1/1) ... [2022-07-13 23:58:17,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:58:17" (1/1) ... [2022-07-13 23:58:17,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:58:17" (1/1) ... [2022-07-13 23:58:17,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:58:17" (1/1) ... [2022-07-13 23:58:17,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:58:17" (1/1) ... [2022-07-13 23:58:17,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:58:17" (1/1) ... [2022-07-13 23:58:17,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:58:17" (1/1) ... [2022-07-13 23:58:17,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 23:58:17,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 23:58:17,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 23:58:17,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 23:58:17,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:58:17" (1/1) ... [2022-07-13 23:58:17,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:58:17,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:58:17,926 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) [2022-07-13 23:58:17,963 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 [2022-07-13 23:58:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-07-13 23:58:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-07-13 23:58:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-07-13 23:58:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-07-13 23:58:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-13 23:58:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-13 23:58:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-13 23:58:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-13 23:58:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-13 23:58:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-13 23:58:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-13 23:58:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-13 23:58:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-13 23:58:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-13 23:58:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-13 23:58:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-13 23:58:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-13 23:58:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-13 23:58:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-13 23:58:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-13 23:58:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-13 23:58:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-13 23:58:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2022-07-13 23:58:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2022-07-13 23:58:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-07-13 23:58:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-07-13 23:58:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-13 23:58:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-13 23:58:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-13 23:58:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-07-13 23:58:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-07-13 23:58:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-07-13 23:58:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-07-13 23:58:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2022-07-13 23:58:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2022-07-13 23:58:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-07-13 23:58:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-07-13 23:58:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-13 23:58:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-13 23:58:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 23:58:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-13 23:58:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-13 23:58:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-13 23:58:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-13 23:58:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-13 23:58:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-13 23:58:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-13 23:58:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-13 23:58:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-07-13 23:58:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-07-13 23:58:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-07-13 23:58:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-07-13 23:58:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-07-13 23:58:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-07-13 23:58:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-13 23:58:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-13 23:58:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-13 23:58:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-13 23:58:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-13 23:58:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-13 23:58:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-07-13 23:58:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-07-13 23:58:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-07-13 23:58:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-07-13 23:58:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-13 23:58:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-13 23:58:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-07-13 23:58:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-07-13 23:58:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-07-13 23:58:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-07-13 23:58:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-13 23:58:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-13 23:58:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-07-13 23:58:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-07-13 23:58:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-13 23:58:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-13 23:58:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-13 23:58:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-13 23:58:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-13 23:58:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-13 23:58:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2022-07-13 23:58:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2022-07-13 23:58:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-13 23:58:17,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-13 23:58:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-07-13 23:58:17,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-07-13 23:58:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-13 23:58:17,975 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-13 23:58:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-07-13 23:58:17,976 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-07-13 23:58:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 23:58:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-13 23:58:17,976 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-13 23:58:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 23:58:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-13 23:58:17,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-13 23:58:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-13 23:58:17,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-13 23:58:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 23:58:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-13 23:58:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-13 23:58:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-13 23:58:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-07-13 23:58:17,977 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-07-13 23:58:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-13 23:58:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-07-13 23:58:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-07-13 23:58:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-07-13 23:58:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-07-13 23:58:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-13 23:58:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-13 23:58:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-07-13 23:58:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-07-13 23:58:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-13 23:58:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-13 23:58:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-13 23:58:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-13 23:58:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-07-13 23:58:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-07-13 23:58:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-13 23:58:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 23:58:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 23:58:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-13 23:58:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-13 23:58:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-13 23:58:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-13 23:58:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-13 23:58:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-13 23:58:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-13 23:58:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-07-13 23:58:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-07-13 23:58:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-13 23:58:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2022-07-13 23:58:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2022-07-13 23:58:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-13 23:58:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-13 23:58:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-13 23:58:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-13 23:58:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-07-13 23:58:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-07-13 23:58:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2022-07-13 23:58:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2022-07-13 23:58:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-13 23:58:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-13 23:58:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-13 23:58:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-13 23:58:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-13 23:58:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-13 23:58:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-07-13 23:58:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-07-13 23:58:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-07-13 23:58:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-07-13 23:58:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-07-13 23:58:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-07-13 23:58:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-07-13 23:58:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-07-13 23:58:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-07-13 23:58:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-07-13 23:58:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-07-13 23:58:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-07-13 23:58:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-07-13 23:58:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-07-13 23:58:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-13 23:58:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-13 23:58:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-13 23:58:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-13 23:58:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-07-13 23:58:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-07-13 23:58:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-13 23:58:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-13 23:58:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-13 23:58:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-13 23:58:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-13 23:58:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-13 23:58:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-07-13 23:58:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-07-13 23:58:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-13 23:58:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-13 23:58:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-07-13 23:58:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-07-13 23:58:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-13 23:58:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-13 23:58:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-13 23:58:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-13 23:58:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-13 23:58:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-13 23:58:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-13 23:58:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-13 23:58:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-07-13 23:58:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-07-13 23:58:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-13 23:58:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-13 23:58:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-07-13 23:58:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-07-13 23:58:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-13 23:58:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-13 23:58:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-13 23:58:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-13 23:58:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 23:58:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-07-13 23:58:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-07-13 23:58:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 23:58:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-07-13 23:58:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-07-13 23:58:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-07-13 23:58:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-07-13 23:58:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-07-13 23:58:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-07-13 23:58:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-07-13 23:58:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-07-13 23:58:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-13 23:58:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-13 23:58:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-13 23:58:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-07-13 23:58:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-07-13 23:58:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-13 23:58:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 23:58:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-13 23:58:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-13 23:58:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-13 23:58:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-13 23:58:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-13 23:58:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-13 23:58:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-07-13 23:58:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-07-13 23:58:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-13 23:58:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-13 23:58:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-07-13 23:58:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-07-13 23:58:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-07-13 23:58:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-07-13 23:58:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-07-13 23:58:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-07-13 23:58:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-13 23:58:17,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-13 23:58:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2022-07-13 23:58:17,992 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2022-07-13 23:58:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-13 23:58:17,992 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-13 23:58:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-07-13 23:58:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-07-13 23:58:18,095 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-13 23:58:18,095 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-13 23:58:18,095 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-13 23:58:18,096 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-13 23:58:18,096 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-07-13 23:58:18,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-07-13 23:58:18,096 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-07-13 23:58:18,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-07-13 23:58:18,096 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-07-13 23:58:18,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-07-13 23:58:18,096 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-07-13 23:58:18,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-07-13 23:58:18,096 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-13 23:58:18,096 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-13 23:58:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-13 23:58:18,097 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-13 23:58:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-13 23:58:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-13 23:58:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-13 23:58:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-13 23:58:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-13 23:58:18,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-13 23:58:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-07-13 23:58:18,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-07-13 23:58:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-13 23:58:18,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-13 23:58:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-07-13 23:58:18,098 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-07-13 23:58:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-07-13 23:58:18,098 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-07-13 23:58:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-13 23:58:18,098 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-13 23:58:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-13 23:58:18,098 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-13 23:58:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-07-13 23:58:18,098 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-07-13 23:58:18,099 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-13 23:58:18,099 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-13 23:58:18,099 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-13 23:58:18,099 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-13 23:58:18,099 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-07-13 23:58:18,099 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-07-13 23:58:18,099 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-07-13 23:58:18,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-07-13 23:58:18,099 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-13 23:58:18,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-13 23:58:18,099 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-13 23:58:18,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-13 23:58:18,100 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-13 23:58:18,100 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-13 23:58:18,100 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-07-13 23:58:18,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-07-13 23:58:18,100 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-07-13 23:58:18,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-07-13 23:58:18,100 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-13 23:58:18,100 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-13 23:58:18,100 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-07-13 23:58:18,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-07-13 23:58:18,101 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-13 23:58:18,101 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-13 23:58:18,101 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-07-13 23:58:18,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-07-13 23:58:18,101 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-07-13 23:58:18,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-07-13 23:58:18,101 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-07-13 23:58:18,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-07-13 23:58:18,101 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-13 23:58:18,101 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-13 23:58:18,101 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-13 23:58:18,102 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-13 23:58:18,882 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 23:58:18,897 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:00:20,299 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:00:20,330 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:00:20,330 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 00:00:20,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:00:20 BoogieIcfgContainer [2022-07-14 00:00:20,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:00:20,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:00:20,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:00:20,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:00:20,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:58:14" (1/3) ... [2022-07-14 00:00:20,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33414934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:00:20, skipping insertion in model container [2022-07-14 00:00:20,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:58:17" (2/3) ... [2022-07-14 00:00:20,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33414934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:00:20, skipping insertion in model container [2022-07-14 00:00:20,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:00:20" (3/3) ... [2022-07-14 00:00:20,355 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2022-07-14 00:00:20,371 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:00:20,372 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:00:20,494 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:00:20,535 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@6e32fffd, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4aedb2df [2022-07-14 00:00:20,535 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:00:20,548 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) [2022-07-14 00:00:20,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-14 00:00:20,567 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:00:20,568 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:00:20,569 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:00:20,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:00:20,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1902675333, now seen corresponding path program 1 times [2022-07-14 00:00:20,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:00:20,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1247203293] [2022-07-14 00:00:20,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:00:20,624 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:00:20,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:00:20,628 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) [2022-07-14 00:00:20,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 00:00:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:00:23,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 1982 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:00:23,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:00:23,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 00:00:23,604 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:00:23,605 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:00:23,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1247203293] [2022-07-14 00:00:23,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1247203293] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:00:23,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:00:23,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:00:23,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178218291] [2022-07-14 00:00:23,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:00:23,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:00:23,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:00:23,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:00:23,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:00:23,674 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) [2022-07-14 00:00:24,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:00:24,816 INFO L93 Difference]: Finished difference Result 7879 states and 11977 transitions. [2022-07-14 00:00:24,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:00:24,821 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 [2022-07-14 00:00:24,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:00:24,913 INFO L225 Difference]: With dead ends: 7879 [2022-07-14 00:00:24,913 INFO L226 Difference]: Without dead ends: 5192 [2022-07-14 00:00:24,968 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 [2022-07-14 00:00:24,972 INFO L413 NwaCegarLoop]: 4702 mSDtfsCounter, 3828 mSDsluCounter, 3905 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3828 SdHoareTripleChecker+Valid, 8607 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 00:00:24,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3828 Valid, 8607 Invalid, 18 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 00:00:25,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5192 states. [2022-07-14 00:00:25,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5192 to 5189. [2022-07-14 00:00:25,434 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) [2022-07-14 00:00:25,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 5189 states and 7691 transitions. [2022-07-14 00:00:25,534 INFO L78 Accepts]: Start accepts. Automaton has 5189 states and 7691 transitions. Word has length 9 [2022-07-14 00:00:25,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:00:25,548 INFO L495 AbstractCegarLoop]: Abstraction has 5189 states and 7691 transitions. [2022-07-14 00:00:25,548 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) [2022-07-14 00:00:25,548 INFO L276 IsEmpty]: Start isEmpty. Operand 5189 states and 7691 transitions. [2022-07-14 00:00:25,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-14 00:00:25,549 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:00:25,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:00:25,640 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-14 00:00:25,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:00:25,772 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:00:25,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:00:25,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1147815645, now seen corresponding path program 1 times [2022-07-14 00:00:25,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:00:25,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [209989204] [2022-07-14 00:00:25,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:00:25,775 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:00:25,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:00:25,788 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) [2022-07-14 00:00:25,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 00:00:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:00:28,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 1983 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:00:28,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:00:28,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 00:00:28,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:00:28,800 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:00:28,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [209989204] [2022-07-14 00:00:28,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [209989204] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:00:28,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:00:28,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:00:28,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142502343] [2022-07-14 00:00:28,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:00:28,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:00:28,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:00:28,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:00:28,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:00:28,811 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) [2022-07-14 00:00:29,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:00:29,270 INFO L93 Difference]: Finished difference Result 5191 states and 7692 transitions. [2022-07-14 00:00:29,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:00:29,275 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 [2022-07-14 00:00:29,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:00:29,357 INFO L225 Difference]: With dead ends: 5191 [2022-07-14 00:00:29,357 INFO L226 Difference]: Without dead ends: 5188 [2022-07-14 00:00:29,363 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 [2022-07-14 00:00:29,365 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 [2022-07-14 00:00:29,366 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] [2022-07-14 00:00:29,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5188 states. [2022-07-14 00:00:29,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5188 to 5188. [2022-07-14 00:00:29,662 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) [2022-07-14 00:00:29,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5188 states to 5188 states and 7689 transitions. [2022-07-14 00:00:29,707 INFO L78 Accepts]: Start accepts. Automaton has 5188 states and 7689 transitions. Word has length 10 [2022-07-14 00:00:29,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:00:29,707 INFO L495 AbstractCegarLoop]: Abstraction has 5188 states and 7689 transitions. [2022-07-14 00:00:29,707 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) [2022-07-14 00:00:29,708 INFO L276 IsEmpty]: Start isEmpty. Operand 5188 states and 7689 transitions. [2022-07-14 00:00:29,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-14 00:00:29,708 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:00:29,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:00:29,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 00:00:29,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:00:29,927 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:00:29,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:00:29,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1223750584, now seen corresponding path program 1 times [2022-07-14 00:00:29,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:00:29,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425038178] [2022-07-14 00:00:29,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:00:29,947 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:00:29,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:00:29,959 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) [2022-07-14 00:00:30,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 00:00:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:00:31,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 1984 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:00:31,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:00:32,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 00:00:32,238 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:00:32,238 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:00:32,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425038178] [2022-07-14 00:00:32,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1425038178] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:00:32,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:00:32,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:00:32,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632548790] [2022-07-14 00:00:32,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:00:32,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:00:32,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:00:32,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:00:32,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:00:32,239 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) [2022-07-14 00:00:32,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:00:32,581 INFO L93 Difference]: Finished difference Result 5190 states and 7690 transitions. [2022-07-14 00:00:32,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:00:32,606 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 [2022-07-14 00:00:32,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:00:32,642 INFO L225 Difference]: With dead ends: 5190 [2022-07-14 00:00:32,642 INFO L226 Difference]: Without dead ends: 5183 [2022-07-14 00:00:32,645 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 [2022-07-14 00:00:32,646 INFO L413 NwaCegarLoop]: 3812 mSDtfsCounter, 3804 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 00:00:32,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3804 Valid, 3812 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 00:00:32,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5183 states. [2022-07-14 00:00:32,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5183 to 5183. [2022-07-14 00:00:32,810 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) [2022-07-14 00:00:32,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 7681 transitions. [2022-07-14 00:00:32,840 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 7681 transitions. Word has length 11 [2022-07-14 00:00:32,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:00:32,841 INFO L495 AbstractCegarLoop]: Abstraction has 5183 states and 7681 transitions. [2022-07-14 00:00:32,841 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) [2022-07-14 00:00:32,841 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 7681 transitions. [2022-07-14 00:00:32,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-14 00:00:32,851 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:00:32,851 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] [2022-07-14 00:00:32,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 00:00:33,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:00:33,068 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:00:33,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:00:33,069 INFO L85 PathProgramCache]: Analyzing trace with hash 914557151, now seen corresponding path program 1 times [2022-07-14 00:00:33,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:00:33,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [303572866] [2022-07-14 00:00:33,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:00:33,085 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:00:33,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:00:33,097 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) [2022-07-14 00:00:33,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 00:00:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:00:35,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 2159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:00:35,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:00:35,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 00:00:35,313 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:00:35,313 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:00:35,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [303572866] [2022-07-14 00:00:35,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [303572866] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:00:35,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:00:35,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:00:35,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887182776] [2022-07-14 00:00:35,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:00:35,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:00:35,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:00:35,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:00:35,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:00:35,315 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) [2022-07-14 00:00:35,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:00:35,610 INFO L93 Difference]: Finished difference Result 10365 states and 15741 transitions. [2022-07-14 00:00:35,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:00:35,611 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 [2022-07-14 00:00:35,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:00:35,638 INFO L225 Difference]: With dead ends: 10365 [2022-07-14 00:00:35,638 INFO L226 Difference]: Without dead ends: 5185 [2022-07-14 00:00:35,674 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 [2022-07-14 00:00:35,675 INFO L413 NwaCegarLoop]: 3805 mSDtfsCounter, 0 mSDsluCounter, 3798 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:00:35,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7603 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 00:00:35,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5185 states. [2022-07-14 00:00:35,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5185 to 5183. [2022-07-14 00:00:35,814 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) [2022-07-14 00:00:35,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 7675 transitions. [2022-07-14 00:00:35,836 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 7675 transitions. Word has length 55 [2022-07-14 00:00:35,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:00:35,836 INFO L495 AbstractCegarLoop]: Abstraction has 5183 states and 7675 transitions. [2022-07-14 00:00:35,837 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) [2022-07-14 00:00:35,837 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 7675 transitions. [2022-07-14 00:00:35,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-14 00:00:35,843 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:00:35,843 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] [2022-07-14 00:00:35,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 00:00:36,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:00:36,075 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:00:36,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:00:36,076 INFO L85 PathProgramCache]: Analyzing trace with hash -683062343, now seen corresponding path program 1 times [2022-07-14 00:00:36,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:00:36,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [833414592] [2022-07-14 00:00:36,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:00:36,079 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:00:36,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:00:36,096 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) [2022-07-14 00:00:36,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process