./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 35987657 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-?-3598765 [2022-07-21 10:51:25,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 10:51:25,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 10:51:25,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 10:51:25,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 10:51:25,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 10:51:25,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 10:51:25,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 10:51:25,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 10:51:25,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 10:51:25,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 10:51:25,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 10:51:25,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 10:51:25,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 10:51:25,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 10:51:25,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 10:51:25,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 10:51:25,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 10:51:25,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 10:51:25,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 10:51:25,521 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 10:51:25,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 10:51:25,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 10:51:25,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 10:51:25,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 10:51:25,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 10:51:25,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 10:51:25,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 10:51:25,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 10:51:25,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 10:51:25,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 10:51:25,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 10:51:25,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 10:51:25,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 10:51:25,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 10:51:25,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 10:51:25,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 10:51:25,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 10:51:25,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 10:51:25,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 10:51:25,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 10:51:25,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 10:51:25,533 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 10:51:25,562 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 10:51:25,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 10:51:25,562 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 10:51:25,562 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 10:51:25,563 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 10:51:25,563 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 10:51:25,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 10:51:25,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 10:51:25,564 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 10:51:25,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 10:51:25,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 10:51:25,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 10:51:25,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 10:51:25,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 10:51:25,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 10:51:25,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 10:51:25,570 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 10:51:25,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 10:51:25,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 10:51:25,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 10:51:25,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 10:51:25,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:51:25,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 10:51:25,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 10:51:25,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 10:51:25,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 10:51:25,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 10:51:25,572 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 10:51:25,573 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 10:51:25,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 10:51:25,573 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2022-07-21 10:51:25,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 10:51:25,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 10:51:25,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 10:51:25,815 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 10:51:25,815 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 10:51:25,816 INFO L432 ainManager$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 [2022-07-21 10:51:25,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d70ec9cc/5d2a181f12ab4c3da1aa89dd33f90413/FLAGd51943039 [2022-07-21 10:51:26,553 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 10:51:26,553 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 [2022-07-21 10:51:26,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d70ec9cc/5d2a181f12ab4c3da1aa89dd33f90413/FLAGd51943039 [2022-07-21 10:51:26,619 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d70ec9cc/5d2a181f12ab4c3da1aa89dd33f90413 [2022-07-21 10:51:26,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 10:51:26,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 10:51:26,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 10:51:26,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 10:51:26,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 10:51:26,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:51:26" (1/1) ... [2022-07-21 10:51:26,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a8362b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:26, skipping insertion in model container [2022-07-21 10:51:26,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:51:26" (1/1) ... [2022-07-21 10:51:26,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 10:51:26,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:51:28,688 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] [2022-07-21 10:51:28,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:51:28,760 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 10:51:29,078 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] [2022-07-21 10:51:29,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:51:29,234 INFO L208 MainTranslator]: Completed translation [2022-07-21 10:51:29,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:29 WrapperNode [2022-07-21 10:51:29,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 10:51:29,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 10:51:29,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 10:51:29,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 10:51:29,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:29" (1/1) ... [2022-07-21 10:51:29,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:29" (1/1) ... [2022-07-21 10:51:29,529 INFO L137 Inliner]: procedures = 399, calls = 3514, calls flagged for inlining = 185, calls inlined = 158, statements flattened = 7309 [2022-07-21 10:51:29,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 10:51:29,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 10:51:29,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 10:51:29,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 10:51:29,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:29" (1/1) ... [2022-07-21 10:51:29,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:29" (1/1) ... [2022-07-21 10:51:29,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:29" (1/1) ... [2022-07-21 10:51:29,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:29" (1/1) ... [2022-07-21 10:51:29,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:29" (1/1) ... [2022-07-21 10:51:29,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:29" (1/1) ... [2022-07-21 10:51:29,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:29" (1/1) ... [2022-07-21 10:51:29,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 10:51:29,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 10:51:29,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 10:51:29,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 10:51:29,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:29" (1/1) ... [2022-07-21 10:51:29,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:51:29,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 10:51:29,835 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) [2022-07-21 10:51:29,888 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 [2022-07-21 10:51:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-07-21 10:51:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-07-21 10:51:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-07-21 10:51:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-07-21 10:51:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-21 10:51:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-21 10:51:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 10:51:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 10:51:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-21 10:51:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-21 10:51:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 10:51:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 10:51:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 10:51:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 10:51:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-21 10:51:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-21 10:51:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 10:51:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 10:51:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-21 10:51:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-21 10:51:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 10:51:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 10:51:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2022-07-21 10:51:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2022-07-21 10:51:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-07-21 10:51:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-07-21 10:51:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-21 10:51:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-21 10:51:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-21 10:51:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-07-21 10:51:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-07-21 10:51:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-07-21 10:51:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-07-21 10:51:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2022-07-21 10:51:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2022-07-21 10:51:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-07-21 10:51:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-07-21 10:51:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 10:51:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 10:51:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 10:51:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-21 10:51:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-21 10:51:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 10:51:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 10:51:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-07-21 10:51:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-07-21 10:51:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-07-21 10:51:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-07-21 10:51:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-07-21 10:51:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-07-21 10:51:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 10:51:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 10:51:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-21 10:51:29,918 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-21 10:51:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 10:51:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 10:51:29,918 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 10:51:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-07-21 10:51:29,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-07-21 10:51:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 10:51:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-07-21 10:51:29,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-07-21 10:51:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 10:51:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 10:51:29,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 10:51:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-07-21 10:51:29,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-07-21 10:51:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-07-21 10:51:29,920 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-07-21 10:51:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 10:51:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 10:51:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-07-21 10:51:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-07-21 10:51:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-21 10:51:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-21 10:51:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 10:51:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 10:51:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 10:51:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 10:51:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2022-07-21 10:51:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2022-07-21 10:51:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-21 10:51:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-21 10:51:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-07-21 10:51:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-07-21 10:51:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-21 10:51:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-21 10:51:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-07-21 10:51:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-07-21 10:51:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 10:51:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-21 10:51:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-21 10:51:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 10:51:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-21 10:51:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-21 10:51:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 10:51:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 10:51:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 10:51:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 10:51:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-07-21 10:51:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-07-21 10:51:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-07-21 10:51:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-07-21 10:51:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-07-21 10:51:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-07-21 10:51:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-21 10:51:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-21 10:51:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-07-21 10:51:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-07-21 10:51:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 10:51:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 10:51:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-21 10:51:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-21 10:51:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-07-21 10:51:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-07-21 10:51:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 10:51:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 10:51:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-21 10:51:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-21 10:51:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-21 10:51:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-21 10:51:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 10:51:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 10:51:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-07-21 10:51:29,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-07-21 10:51:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2022-07-21 10:51:29,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2022-07-21 10:51:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 10:51:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 10:51:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-07-21 10:51:29,937 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-07-21 10:51:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2022-07-21 10:51:29,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2022-07-21 10:51:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 10:51:29,937 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 10:51:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-21 10:51:29,937 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-21 10:51:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-21 10:51:29,938 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-21 10:51:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-07-21 10:51:29,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-07-21 10:51:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-07-21 10:51:29,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-07-21 10:51:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-07-21 10:51:29,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-07-21 10:51:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-07-21 10:51:29,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-07-21 10:51:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-07-21 10:51:29,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-07-21 10:51:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-07-21 10:51:29,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-07-21 10:51:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-07-21 10:51:29,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-07-21 10:51:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 10:51:29,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 10:51:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-21 10:51:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-21 10:51:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-07-21 10:51:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-07-21 10:51:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 10:51:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 10:51:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 10:51:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 10:51:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-21 10:51:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-21 10:51:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-07-21 10:51:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-07-21 10:51:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 10:51:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 10:51:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-07-21 10:51:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-07-21 10:51:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 10:51:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 10:51:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-21 10:51:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-21 10:51:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-21 10:51:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-21 10:51:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-21 10:51:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-21 10:51:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-07-21 10:51:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-07-21 10:51:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-21 10:51:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-21 10:51:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-07-21 10:51:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-07-21 10:51:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 10:51:29,943 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 10:51:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-21 10:51:29,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-21 10:51:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 10:51:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-07-21 10:51:29,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-07-21 10:51:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 10:51:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-07-21 10:51:29,943 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-07-21 10:51:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-07-21 10:51:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-07-21 10:51:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-07-21 10:51:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-07-21 10:51:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-07-21 10:51:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-07-21 10:51:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-07-21 10:51:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-07-21 10:51:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 10:51:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-21 10:51:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-21 10:51:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 10:51:29,945 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 10:51:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-21 10:51:29,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-21 10:51:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-07-21 10:51:29,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-07-21 10:51:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-21 10:51:29,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-21 10:51:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-07-21 10:51:29,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-07-21 10:51:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-07-21 10:51:29,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-07-21 10:51:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-07-21 10:51:29,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-07-21 10:51:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-21 10:51:29,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-21 10:51:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2022-07-21 10:51:29,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2022-07-21 10:51:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 10:51:29,946 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 10:51:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-07-21 10:51:29,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-07-21 10:51:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-21 10:51:29,947 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-21 10:51:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-21 10:51:29,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-21 10:51:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-07-21 10:51:29,947 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-07-21 10:51:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-07-21 10:51:29,947 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-07-21 10:51:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-07-21 10:51:29,947 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-07-21 10:51:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-07-21 10:51:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-07-21 10:51:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 10:51:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 10:51:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-21 10:51:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-21 10:51:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 10:51:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 10:51:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 10:51:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-07-21 10:51:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-07-21 10:51:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-21 10:51:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-21 10:51:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-07-21 10:51:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-07-21 10:51:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-07-21 10:51:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-07-21 10:51:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 10:51:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 10:51:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-21 10:51:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-21 10:51:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-07-21 10:51:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-07-21 10:51:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-21 10:51:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-21 10:51:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-21 10:51:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-21 10:51:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-07-21 10:51:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-07-21 10:51:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-07-21 10:51:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-07-21 10:51:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-21 10:51:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-21 10:51:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-21 10:51:29,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-21 10:51:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-21 10:51:29,955 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-21 10:51:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-07-21 10:51:29,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-07-21 10:51:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-07-21 10:51:29,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-07-21 10:51:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 10:51:29,955 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 10:51:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-07-21 10:51:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-07-21 10:51:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-21 10:51:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-21 10:51:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 10:51:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-07-21 10:51:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-07-21 10:51:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-07-21 10:51:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-07-21 10:51:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-07-21 10:51:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-07-21 10:51:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-21 10:51:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-21 10:51:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-21 10:51:29,957 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-21 10:51:30,820 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 10:51:30,823 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 10:51:41,448 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 10:51:41,470 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 10:51:41,470 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 10:51:41,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:51:41 BoogieIcfgContainer [2022-07-21 10:51:41,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 10:51:41,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 10:51:41,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 10:51:41,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 10:51:41,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:51:26" (1/3) ... [2022-07-21 10:51:41,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd6b069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:51:41, skipping insertion in model container [2022-07-21 10:51:41,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:29" (2/3) ... [2022-07-21 10:51:41,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd6b069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:51:41, skipping insertion in model container [2022-07-21 10:51:41,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:51:41" (3/3) ... [2022-07-21 10:51:41,482 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2022-07-21 10:51:41,492 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 10:51:41,492 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 10:51:41,566 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 10:51:41,570 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@598ca5e8, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5e0bdb52 [2022-07-21 10:51:41,571 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 10:51:41,579 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) [2022-07-21 10:51:41,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-21 10:51:41,585 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:51:41,585 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:51:41,585 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:51:41,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:51:41,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1788196537, now seen corresponding path program 1 times [2022-07-21 10:51:41,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:51:41,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26485874] [2022-07-21 10:51:41,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:51:41,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:51:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:51:42,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:51:42,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:51:42,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26485874] [2022-07-21 10:51:42,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26485874] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:51:42,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:51:42,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:51:42,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473415109] [2022-07-21 10:51:42,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:51:42,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:51:42,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:51:42,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:51:42,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:51:42,065 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) [2022-07-21 10:51:42,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:51:42,442 INFO L93 Difference]: Finished difference Result 8077 states and 12365 transitions. [2022-07-21 10:51:42,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:51:42,444 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 [2022-07-21 10:51:42,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:51:42,494 INFO L225 Difference]: With dead ends: 8077 [2022-07-21 10:51:42,494 INFO L226 Difference]: Without dead ends: 5324 [2022-07-21 10:51:42,518 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 [2022-07-21 10:51:42,521 INFO L413 NwaCegarLoop]: 4800 mSDtfsCounter, 3913 mSDsluCounter, 3990 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3913 SdHoareTripleChecker+Valid, 8790 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 10:51:42,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3913 Valid, 8790 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 10:51:42,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5324 states. [2022-07-21 10:51:42,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5324 to 5321. [2022-07-21 10:51:42,724 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) [2022-07-21 10:51:42,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5321 states to 5321 states and 7861 transitions. [2022-07-21 10:51:42,756 INFO L78 Accepts]: Start accepts. Automaton has 5321 states and 7861 transitions. Word has length 9 [2022-07-21 10:51:42,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:51:42,756 INFO L495 AbstractCegarLoop]: Abstraction has 5321 states and 7861 transitions. [2022-07-21 10:51:42,757 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) [2022-07-21 10:51:42,757 INFO L276 IsEmpty]: Start isEmpty. Operand 5321 states and 7861 transitions. [2022-07-21 10:51:42,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-21 10:51:42,758 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:51:42,758 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:51:42,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 10:51:42,758 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:51:42,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:51:42,759 INFO L85 PathProgramCache]: Analyzing trace with hash 399282008, now seen corresponding path program 1 times [2022-07-21 10:51:42,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:51:42,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785015933] [2022-07-21 10:51:42,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:51:42,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:51:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:51:42,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:51:42,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:51:42,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785015933] [2022-07-21 10:51:42,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785015933] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:51:42,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:51:42,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:51:42,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575227051] [2022-07-21 10:51:42,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:51:42,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:51:42,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:51:42,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:51:42,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:51:42,904 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) [2022-07-21 10:51:43,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:51:43,050 INFO L93 Difference]: Finished difference Result 5323 states and 7862 transitions. [2022-07-21 10:51:43,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:51:43,050 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 [2022-07-21 10:51:43,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:51:43,079 INFO L225 Difference]: With dead ends: 5323 [2022-07-21 10:51:43,079 INFO L226 Difference]: Without dead ends: 5320 [2022-07-21 10:51:43,086 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 [2022-07-21 10:51:43,087 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 [2022-07-21 10:51:43,088 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] [2022-07-21 10:51:43,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5320 states. [2022-07-21 10:51:43,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5320 to 5320. [2022-07-21 10:51:43,370 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) [2022-07-21 10:51:43,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5320 states to 5320 states and 7859 transitions. [2022-07-21 10:51:43,392 INFO L78 Accepts]: Start accepts. Automaton has 5320 states and 7859 transitions. Word has length 10 [2022-07-21 10:51:43,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:51:43,393 INFO L495 AbstractCegarLoop]: Abstraction has 5320 states and 7859 transitions. [2022-07-21 10:51:43,393 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) [2022-07-21 10:51:43,393 INFO L276 IsEmpty]: Start isEmpty. Operand 5320 states and 7859 transitions. [2022-07-21 10:51:43,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-21 10:51:43,394 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:51:43,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:51:43,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 10:51:43,394 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:51:43,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:51:43,400 INFO L85 PathProgramCache]: Analyzing trace with hash -508354966, now seen corresponding path program 1 times [2022-07-21 10:51:43,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:51:43,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088475553] [2022-07-21 10:51:43,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:51:43,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:51:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:51:43,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:51:43,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:51:43,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088475553] [2022-07-21 10:51:43,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088475553] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:51:43,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:51:43,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:51:43,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925340019] [2022-07-21 10:51:43,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:51:43,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:51:43,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:51:43,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:51:43,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:51:43,517 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) [2022-07-21 10:51:43,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:51:43,619 INFO L93 Difference]: Finished difference Result 5322 states and 7860 transitions. [2022-07-21 10:51:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:51:43,623 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 [2022-07-21 10:51:43,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:51:43,647 INFO L225 Difference]: With dead ends: 5322 [2022-07-21 10:51:43,647 INFO L226 Difference]: Without dead ends: 5315 [2022-07-21 10:51:43,654 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 [2022-07-21 10:51:43,658 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 [2022-07-21 10:51:43,659 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] [2022-07-21 10:51:43,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5315 states. [2022-07-21 10:51:43,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5315 to 5315. [2022-07-21 10:51:43,789 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) [2022-07-21 10:51:43,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5315 states to 5315 states and 7851 transitions. [2022-07-21 10:51:43,809 INFO L78 Accepts]: Start accepts. Automaton has 5315 states and 7851 transitions. Word has length 11 [2022-07-21 10:51:43,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:51:43,809 INFO L495 AbstractCegarLoop]: Abstraction has 5315 states and 7851 transitions. [2022-07-21 10:51:43,810 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) [2022-07-21 10:51:43,810 INFO L276 IsEmpty]: Start isEmpty. Operand 5315 states and 7851 transitions. [2022-07-21 10:51:43,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-21 10:51:43,819 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:51:43,819 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] [2022-07-21 10:51:43,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 10:51:43,819 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:51:43,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:51:43,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1992860220, now seen corresponding path program 1 times [2022-07-21 10:51:43,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:51:43,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013985644] [2022-07-21 10:51:43,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:51:43,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:51:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:51:43,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 10:51:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:51:43,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 10:51:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:51:43,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:51:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:51:43,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:51:43,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:51:43,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013985644] [2022-07-21 10:51:43,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013985644] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:51:43,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:51:43,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 10:51:43,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466421750] [2022-07-21 10:51:43,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:51:43,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 10:51:43,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:51:43,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 10:51:43,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 10:51:43,990 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) [2022-07-21 10:51:46,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:51:49,646 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:51:54,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:51:54,482 INFO L93 Difference]: Finished difference Result 11416 states and 17606 transitions. [2022-07-21 10:51:54,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 10:51:54,482 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 [2022-07-21 10:51:54,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:51:54,510 INFO L225 Difference]: With dead ends: 11416 [2022-07-21 10:51:54,510 INFO L226 Difference]: Without dead ends: 6104 [2022-07-21 10:51:54,536 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 [2022-07-21 10:51:54,537 INFO L413 NwaCegarLoop]: 3745 mSDtfsCounter, 899 mSDsluCounter, 3903 mSDsCounter, 0 mSdLazyCounter, 3251 mSolverCounterSat, 769 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 982 SdHoareTripleChecker+Valid, 7648 SdHoareTripleChecker+Invalid, 4022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 769 IncrementalHoareTripleChecker+Valid, 3251 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-07-21 10:51:54,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [982 Valid, 7648 Invalid, 4022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [769 Valid, 3251 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2022-07-21 10:51:54,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6104 states. [2022-07-21 10:51:54,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6104 to 5803. [2022-07-21 10:51:54,686 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) [2022-07-21 10:51:54,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5803 states to 5803 states and 8777 transitions. [2022-07-21 10:51:54,710 INFO L78 Accepts]: Start accepts. Automaton has 5803 states and 8777 transitions. Word has length 55 [2022-07-21 10:51:54,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:51:54,710 INFO L495 AbstractCegarLoop]: Abstraction has 5803 states and 8777 transitions. [2022-07-21 10:51:54,710 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) [2022-07-21 10:51:54,710 INFO L276 IsEmpty]: Start isEmpty. Operand 5803 states and 8777 transitions. [2022-07-21 10:51:54,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-21 10:51:54,716 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:51:54,716 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] [2022-07-21 10:51:54,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 10:51:54,717 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:51:54,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:51:54,717 INFO L85 PathProgramCache]: Analyzing trace with hash -680247914, now seen corresponding path program 1 times [2022-07-21 10:51:54,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:51:54,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304887988] [2022-07-21 10:51:54,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:51:54,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:51:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 10:51:54,901 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-21 10:51:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 10:51:55,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-21 10:51:55,114 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-21 10:51:55,114 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 10:51:55,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 10:51:55,118 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-21 10:51:55,120 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 10:51:55,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:51:55 BoogieIcfgContainer [2022-07-21 10:51:55,211 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 10:51:55,212 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 10:51:55,212 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 10:51:55,212 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 10:51:55,212 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:51:41" (3/4) ... [2022-07-21 10:51:55,214 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-21 10:51:55,214 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 10:51:55,215 INFO L158 Benchmark]: Toolchain (without parser) took 28592.04ms. Allocated memory was 60.8MB in the beginning and 973.1MB in the end (delta: 912.3MB). Free memory was 36.0MB in the beginning and 345.9MB in the end (delta: -309.9MB). Peak memory consumption was 601.6MB. Max. memory is 16.1GB. [2022-07-21 10:51:55,215 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 10:51:55,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2611.02ms. Allocated memory was 60.8MB in the beginning and 224.4MB in the end (delta: 163.6MB). Free memory was 35.7MB in the beginning and 133.5MB in the end (delta: -97.8MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. [2022-07-21 10:51:55,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 295.73ms. Allocated memory is still 224.4MB. Free memory was 133.5MB in the beginning and 120.6MB in the end (delta: 13.0MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2022-07-21 10:51:55,217 INFO L158 Benchmark]: Boogie Preprocessor took 264.38ms. Allocated memory is still 224.4MB. Free memory was 120.6MB in the beginning and 98.6MB in the end (delta: 22.0MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2022-07-21 10:51:55,217 INFO L158 Benchmark]: RCFGBuilder took 11676.85ms. Allocated memory was 224.4MB in the beginning and 973.1MB in the end (delta: 748.7MB). Free memory was 98.0MB in the beginning and 760.1MB in the end (delta: -662.2MB). Peak memory consumption was 431.7MB. Max. memory is 16.1GB. [2022-07-21 10:51:55,217 INFO L158 Benchmark]: TraceAbstraction took 13733.68ms. Allocated memory is still 973.1MB. Free memory was 759.1MB in the beginning and 345.9MB in the end (delta: 413.2MB). Peak memory consumption was 413.2MB. Max. memory is 16.1GB. [2022-07-21 10:51:55,218 INFO L158 Benchmark]: Witness Printer took 2.58ms. Allocated memory is still 973.1MB. Free memory is still 345.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 10:51:55,220 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2611.02ms. Allocated memory was 60.8MB in the beginning and 224.4MB in the end (delta: 163.6MB). Free memory was 35.7MB in the beginning and 133.5MB in the end (delta: -97.8MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 295.73ms. Allocated memory is still 224.4MB. Free memory was 133.5MB in the beginning and 120.6MB in the end (delta: 13.0MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 264.38ms. Allocated memory is still 224.4MB. Free memory was 120.6MB in the beginning and 98.6MB in the end (delta: 22.0MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. * RCFGBuilder took 11676.85ms. Allocated memory was 224.4MB in the beginning and 973.1MB in the end (delta: 748.7MB). Free memory was 98.0MB in the beginning and 760.1MB in the end (delta: -662.2MB). Peak memory consumption was 431.7MB. Max. memory is 16.1GB. * TraceAbstraction took 13733.68ms. Allocated memory is still 973.1MB. Free memory was 759.1MB in the beginning and 345.9MB in the end (delta: 413.2MB). Peak memory consumption was 413.2MB. Max. memory is 16.1GB. * Witness Printer took 2.58ms. Allocated memory is still 973.1MB. Free memory is still 345.9MB. 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: 13.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 12676 SdHoareTripleChecker+Valid, 10.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12593 mSDsluCounter, 24233 SdHoareTripleChecker+Invalid, 9.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7893 mSDsCounter, 776 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3265 IncrementalHoareTripleChecker+Invalid, 4043 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 776 mSolverCounterUnsat, 16340 mSDtfsCounter, 3265 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5803occurred in iteration=4, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 4 MinimizatonAttempts, 304 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s 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 [2022-07-21 10:51:55,275 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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-?-3598765 [2022-07-21 10:51:56,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 10:51:56,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 10:51:56,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 10:51:56,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 10:51:56,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 10:51:56,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 10:51:56,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 10:51:56,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 10:51:56,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 10:51:56,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 10:51:56,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 10:51:56,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 10:51:56,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 10:51:56,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 10:51:56,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 10:51:56,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 10:51:56,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 10:51:56,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 10:51:56,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 10:51:56,962 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 10:51:56,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 10:51:56,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 10:51:56,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 10:51:56,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 10:51:56,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 10:51:56,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 10:51:56,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 10:51:56,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 10:51:56,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 10:51:56,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 10:51:56,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 10:51:56,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 10:51:56,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 10:51:56,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 10:51:56,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 10:51:56,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 10:51:56,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 10:51:56,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 10:51:56,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 10:51:56,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 10:51:56,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 10:51:56,973 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 10:51:56,987 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 10:51:56,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 10:51:56,987 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 10:51:56,988 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 10:51:56,988 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 10:51:56,988 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 10:51:56,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 10:51:56,989 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 10:51:56,989 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 10:51:56,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 10:51:56,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 10:51:56,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 10:51:56,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 10:51:56,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 10:51:56,990 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 10:51:56,990 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 10:51:56,990 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 10:51:56,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 10:51:56,990 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 10:51:56,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 10:51:56,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 10:51:56,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 10:51:56,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 10:51:56,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:51:56,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 10:51:56,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 10:51:56,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 10:51:56,992 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 10:51:56,992 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 10:51:56,992 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 10:51:56,992 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 10:51:56,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 10:51:56,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 10:51:56,992 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2022-07-21 10:51:57,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 10:51:57,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 10:51:57,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 10:51:57,215 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 10:51:57,217 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 10:51:57,217 INFO L432 ainManager$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 [2022-07-21 10:51:57,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f6cc3420/cb0cb149e83341c7a4600731df00481e/FLAG3c35f1722 [2022-07-21 10:51:58,013 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 10:51:58,014 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 [2022-07-21 10:51:58,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f6cc3420/cb0cb149e83341c7a4600731df00481e/FLAG3c35f1722 [2022-07-21 10:51:58,267 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f6cc3420/cb0cb149e83341c7a4600731df00481e [2022-07-21 10:51:58,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 10:51:58,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 10:51:58,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 10:51:58,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 10:51:58,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 10:51:58,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:51:58" (1/1) ... [2022-07-21 10:51:58,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3343d59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:58, skipping insertion in model container [2022-07-21 10:51:58,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:51:58" (1/1) ... [2022-07-21 10:51:58,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 10:51:58,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:52:00,454 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] [2022-07-21 10:52:00,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:52:00,589 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 10:52:00,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:52:00,935 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] [2022-07-21 10:52:00,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:52:00,960 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 10:52:01,241 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] [2022-07-21 10:52:01,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:52:01,338 INFO L208 MainTranslator]: Completed translation [2022-07-21 10:52:01,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:52:01 WrapperNode [2022-07-21 10:52:01,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 10:52:01,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 10:52:01,340 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 10:52:01,340 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 10:52:01,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:52:01" (1/1) ... [2022-07-21 10:52:01,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:52:01" (1/1) ... [2022-07-21 10:52:01,640 INFO L137 Inliner]: procedures = 414, calls = 3514, calls flagged for inlining = 185, calls inlined = 158, statements flattened = 6947 [2022-07-21 10:52:01,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 10:52:01,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 10:52:01,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 10:52:01,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 10:52:01,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:52:01" (1/1) ... [2022-07-21 10:52:01,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:52:01" (1/1) ... [2022-07-21 10:52:01,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:52:01" (1/1) ... [2022-07-21 10:52:01,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:52:01" (1/1) ... [2022-07-21 10:52:01,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:52:01" (1/1) ... [2022-07-21 10:52:01,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:52:01" (1/1) ... [2022-07-21 10:52:01,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:52:01" (1/1) ... [2022-07-21 10:52:02,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 10:52:02,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 10:52:02,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 10:52:02,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 10:52:02,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:52:01" (1/1) ... [2022-07-21 10:52:02,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:52:02,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 10:52:02,073 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) [2022-07-21 10:52:02,140 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 [2022-07-21 10:52:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-07-21 10:52:02,161 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-07-21 10:52:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-07-21 10:52:02,162 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-07-21 10:52:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-21 10:52:02,162 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-21 10:52:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 10:52:02,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 10:52:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-21 10:52:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-21 10:52:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 10:52:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 10:52:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 10:52:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 10:52:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-21 10:52:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-21 10:52:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 10:52:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 10:52:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-21 10:52:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-21 10:52:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 10:52:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 10:52:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2022-07-21 10:52:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2022-07-21 10:52:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-07-21 10:52:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-07-21 10:52:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-21 10:52:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-21 10:52:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-21 10:52:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-07-21 10:52:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-07-21 10:52:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-07-21 10:52:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-07-21 10:52:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2022-07-21 10:52:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2022-07-21 10:52:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-07-21 10:52:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-07-21 10:52:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 10:52:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 10:52:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 10:52:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 10:52:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 10:52:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 10:52:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 10:52:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-21 10:52:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-21 10:52:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 10:52:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 10:52:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-07-21 10:52:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-07-21 10:52:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-07-21 10:52:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-07-21 10:52:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-07-21 10:52:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-07-21 10:52:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 10:52:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 10:52:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-21 10:52:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-21 10:52:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 10:52:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 10:52:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-07-21 10:52:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-07-21 10:52:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-07-21 10:52:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-07-21 10:52:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 10:52:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 10:52:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-07-21 10:52:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-07-21 10:52:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-07-21 10:52:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-07-21 10:52:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 10:52:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 10:52:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-07-21 10:52:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-07-21 10:52:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-21 10:52:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-21 10:52:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 10:52:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 10:52:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 10:52:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 10:52:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2022-07-21 10:52:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2022-07-21 10:52:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-21 10:52:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-21 10:52:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-07-21 10:52:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-07-21 10:52:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-21 10:52:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-21 10:52:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-07-21 10:52:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-07-21 10:52:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 10:52:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-21 10:52:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-21 10:52:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 10:52:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-21 10:52:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-21 10:52:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 10:52:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 10:52:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 10:52:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 10:52:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 10:52:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 10:52:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-07-21 10:52:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-07-21 10:52:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 10:52:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-07-21 10:52:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-07-21 10:52:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-07-21 10:52:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-07-21 10:52:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-21 10:52:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-21 10:52:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-07-21 10:52:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-07-21 10:52:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 10:52:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 10:52:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-21 10:52:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-21 10:52:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-07-21 10:52:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-07-21 10:52:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 10:52:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 10:52:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 10:52:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-21 10:52:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-21 10:52:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-21 10:52:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-21 10:52:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 10:52:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 10:52:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 10:52:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-07-21 10:52:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-07-21 10:52:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 10:52:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2022-07-21 10:52:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2022-07-21 10:52:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 10:52:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 10:52:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 10:52:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 10:52:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-07-21 10:52:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-07-21 10:52:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2022-07-21 10:52:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2022-07-21 10:52:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 10:52:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 10:52:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-21 10:52:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-21 10:52:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-21 10:52:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-21 10:52:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-07-21 10:52:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-07-21 10:52:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-07-21 10:52:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-07-21 10:52:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-07-21 10:52:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-07-21 10:52:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-07-21 10:52:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-07-21 10:52:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-07-21 10:52:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-07-21 10:52:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-07-21 10:52:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-07-21 10:52:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-07-21 10:52:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-07-21 10:52:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 10:52:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 10:52:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-21 10:52:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-21 10:52:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-07-21 10:52:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-07-21 10:52:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 10:52:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 10:52:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 10:52:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 10:52:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-21 10:52:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-21 10:52:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-07-21 10:52:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-07-21 10:52:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 10:52:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 10:52:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-07-21 10:52:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-07-21 10:52:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 10:52:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 10:52:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-21 10:52:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-21 10:52:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-21 10:52:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-21 10:52:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-21 10:52:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-21 10:52:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-07-21 10:52:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-07-21 10:52:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-21 10:52:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-21 10:52:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-07-21 10:52:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-07-21 10:52:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 10:52:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 10:52:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-21 10:52:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-21 10:52:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 10:52:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-07-21 10:52:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-07-21 10:52:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 10:52:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-07-21 10:52:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-07-21 10:52:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-07-21 10:52:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-07-21 10:52:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-07-21 10:52:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-07-21 10:52:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-07-21 10:52:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-07-21 10:52:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 10:52:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 10:52:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 10:52:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-07-21 10:52:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-07-21 10:52:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 10:52:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 10:52:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-21 10:52:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-21 10:52:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 10:52:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 10:52:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-21 10:52:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-21 10:52:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-07-21 10:52:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-07-21 10:52:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-21 10:52:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-21 10:52:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-07-21 10:52:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-07-21 10:52:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-07-21 10:52:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-07-21 10:52:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-07-21 10:52:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-07-21 10:52:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-21 10:52:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-21 10:52:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2022-07-21 10:52:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2022-07-21 10:52:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 10:52:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 10:52:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-07-21 10:52:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-07-21 10:52:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-21 10:52:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-21 10:52:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-21 10:52:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-21 10:52:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-07-21 10:52:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-07-21 10:52:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-07-21 10:52:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-07-21 10:52:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-07-21 10:52:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-07-21 10:52:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-07-21 10:52:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-07-21 10:52:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 10:52:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 10:52:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-21 10:52:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-21 10:52:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 10:52:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 10:52:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 10:52:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 10:52:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 10:52:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 10:52:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-07-21 10:52:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-07-21 10:52:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-21 10:52:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-21 10:52:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-07-21 10:52:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-07-21 10:52:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-07-21 10:52:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-07-21 10:52:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 10:52:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 10:52:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-21 10:52:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-21 10:52:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-07-21 10:52:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-07-21 10:52:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-21 10:52:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-21 10:52:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-21 10:52:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-21 10:52:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-07-21 10:52:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-07-21 10:52:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-07-21 10:52:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-07-21 10:52:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-21 10:52:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-21 10:52:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-21 10:52:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-21 10:52:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-21 10:52:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-21 10:52:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-07-21 10:52:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-07-21 10:52:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-07-21 10:52:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-07-21 10:52:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 10:52:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 10:52:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-07-21 10:52:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-07-21 10:52:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-21 10:52:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-21 10:52:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-07-21 10:52:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-07-21 10:52:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-07-21 10:52:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-07-21 10:52:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-07-21 10:52:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-07-21 10:52:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-21 10:52:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-21 10:52:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-21 10:52:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-21 10:52:03,047 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 10:52:03,052 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 10:53:57,202 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 10:53:57,228 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 10:53:57,228 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 10:53:57,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:53:57 BoogieIcfgContainer [2022-07-21 10:53:57,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 10:53:57,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 10:53:57,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 10:53:57,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 10:53:57,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:51:58" (1/3) ... [2022-07-21 10:53:57,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b9867b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:53:57, skipping insertion in model container [2022-07-21 10:53:57,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:52:01" (2/3) ... [2022-07-21 10:53:57,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b9867b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:53:57, skipping insertion in model container [2022-07-21 10:53:57,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:53:57" (3/3) ... [2022-07-21 10:53:57,237 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2022-07-21 10:53:57,246 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 10:53:57,246 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 10:53:57,322 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 10:53:57,328 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@6b37d6cf, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4230bdb0 [2022-07-21 10:53:57,328 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 10:53:57,337 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) [2022-07-21 10:53:57,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-21 10:53:57,341 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:53:57,342 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:53:57,342 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:53:57,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:53:57,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1902675333, now seen corresponding path program 1 times [2022-07-21 10:53:57,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:53:57,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1134512844] [2022-07-21 10:53:57,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:53:57,367 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:53:57,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:53:57,369 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) [2022-07-21 10:53:57,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 10:53:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:53:59,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 1982 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:53:59,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:53:59,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:53:59,533 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:53:59,533 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:53:59,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1134512844] [2022-07-21 10:53:59,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1134512844] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:53:59,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:53:59,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:53:59,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806371854] [2022-07-21 10:53:59,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:53:59,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:53:59,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:53:59,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:53:59,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:53:59,567 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) [2022-07-21 10:54:00,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:54:00,180 INFO L93 Difference]: Finished difference Result 7879 states and 11977 transitions. [2022-07-21 10:54:00,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:54:00,183 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 [2022-07-21 10:54:00,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:54:00,225 INFO L225 Difference]: With dead ends: 7879 [2022-07-21 10:54:00,226 INFO L226 Difference]: Without dead ends: 5192 [2022-07-21 10:54:00,248 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 [2022-07-21 10:54:00,253 INFO L413 NwaCegarLoop]: 4728 mSDtfsCounter, 3828 mSDsluCounter, 3905 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3828 SdHoareTripleChecker+Valid, 8633 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 10:54:00,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3828 Valid, 8633 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 10:54:00,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5192 states. [2022-07-21 10:54:00,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5192 to 5189. [2022-07-21 10:54:00,462 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) [2022-07-21 10:54:00,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 5189 states and 7691 transitions. [2022-07-21 10:54:00,501 INFO L78 Accepts]: Start accepts. Automaton has 5189 states and 7691 transitions. Word has length 9 [2022-07-21 10:54:00,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:54:00,501 INFO L495 AbstractCegarLoop]: Abstraction has 5189 states and 7691 transitions. [2022-07-21 10:54:00,502 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) [2022-07-21 10:54:00,502 INFO L276 IsEmpty]: Start isEmpty. Operand 5189 states and 7691 transitions. [2022-07-21 10:54:00,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-21 10:54:00,503 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:54:00,503 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:54:00,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 10:54:00,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:54:00,722 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:54:00,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:54:00,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1147815645, now seen corresponding path program 1 times [2022-07-21 10:54:00,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:54:00,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1264660118] [2022-07-21 10:54:00,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:54:00,725 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:54:00,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:54:00,732 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) [2022-07-21 10:54:00,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 10:54:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:54:02,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 1983 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:54:02,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:54:02,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:54:02,652 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:54:02,652 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:54:02,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1264660118] [2022-07-21 10:54:02,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1264660118] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:54:02,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:54:02,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:54:02,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109782213] [2022-07-21 10:54:02,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:54:02,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:54:02,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:54:02,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:54:02,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:54:02,654 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) [2022-07-21 10:54:02,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:54:02,920 INFO L93 Difference]: Finished difference Result 5191 states and 7692 transitions. [2022-07-21 10:54:02,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:54:02,920 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 [2022-07-21 10:54:02,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:54:02,946 INFO L225 Difference]: With dead ends: 5191 [2022-07-21 10:54:02,947 INFO L226 Difference]: Without dead ends: 5188 [2022-07-21 10:54:02,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:54:02,950 INFO L413 NwaCegarLoop]: 3813 mSDtfsCounter, 3807 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-07-21 10:54:02,950 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] [2022-07-21 10:54:02,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5188 states. [2022-07-21 10:54:03,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5188 to 5188. [2022-07-21 10:54:03,221 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) [2022-07-21 10:54:03,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5188 states to 5188 states and 7689 transitions. [2022-07-21 10:54:03,253 INFO L78 Accepts]: Start accepts. Automaton has 5188 states and 7689 transitions. Word has length 10 [2022-07-21 10:54:03,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:54:03,253 INFO L495 AbstractCegarLoop]: Abstraction has 5188 states and 7689 transitions. [2022-07-21 10:54:03,253 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) [2022-07-21 10:54:03,253 INFO L276 IsEmpty]: Start isEmpty. Operand 5188 states and 7689 transitions. [2022-07-21 10:54:03,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-21 10:54:03,254 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:54:03,254 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:54:03,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-21 10:54:03,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:54:03,479 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:54:03,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:54:03,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1223750584, now seen corresponding path program 1 times [2022-07-21 10:54:03,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:54:03,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202691118] [2022-07-21 10:54:03,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:54:03,482 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:54:03,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:54:03,500 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) [2022-07-21 10:54:03,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 10:54:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:54:05,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 1984 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:54:05,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:54:05,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:54:05,548 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:54:05,548 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:54:05,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202691118] [2022-07-21 10:54:05,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [202691118] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:54:05,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:54:05,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:54:05,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487998265] [2022-07-21 10:54:05,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:54:05,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:54:05,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:54:05,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:54:05,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:54:05,550 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) [2022-07-21 10:54:05,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:54:05,771 INFO L93 Difference]: Finished difference Result 5190 states and 7690 transitions. [2022-07-21 10:54:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:54:05,797 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 [2022-07-21 10:54:05,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:54:05,820 INFO L225 Difference]: With dead ends: 5190 [2022-07-21 10:54:05,820 INFO L226 Difference]: Without dead ends: 5183 [2022-07-21 10:54:05,822 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 [2022-07-21 10:54:05,824 INFO L413 NwaCegarLoop]: 3812 mSDtfsCounter, 3804 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3804 SdHoareTripleChecker+Valid, 3812 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 10:54:05,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3804 Valid, 3812 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 10:54:05,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5183 states. [2022-07-21 10:54:05,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5183 to 5183. [2022-07-21 10:54:05,964 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) [2022-07-21 10:54:05,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 7681 transitions. [2022-07-21 10:54:05,986 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 7681 transitions. Word has length 11 [2022-07-21 10:54:05,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:54:05,986 INFO L495 AbstractCegarLoop]: Abstraction has 5183 states and 7681 transitions. [2022-07-21 10:54:05,987 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) [2022-07-21 10:54:05,987 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 7681 transitions. [2022-07-21 10:54:05,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-21 10:54:05,996 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:54:05,996 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] [2022-07-21 10:54:06,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 10:54:06,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:54:06,211 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:54:06,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:54:06,211 INFO L85 PathProgramCache]: Analyzing trace with hash 914557151, now seen corresponding path program 1 times [2022-07-21 10:54:06,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:54:06,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [353121634] [2022-07-21 10:54:06,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:54:06,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:54:06,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:54:06,221 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) [2022-07-21 10:54:06,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 10:54:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:54:08,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 2159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:54:08,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:54:08,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:54:08,149 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:54:08,149 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:54:08,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [353121634] [2022-07-21 10:54:08,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [353121634] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:54:08,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:54:08,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:54:08,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834449268] [2022-07-21 10:54:08,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:54:08,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:54:08,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:54:08,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:54:08,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:54:08,150 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) [2022-07-21 10:54:08,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:54:08,527 INFO L93 Difference]: Finished difference Result 10365 states and 15741 transitions. [2022-07-21 10:54:08,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:54:08,527 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 [2022-07-21 10:54:08,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:54:08,556 INFO L225 Difference]: With dead ends: 10365 [2022-07-21 10:54:08,557 INFO L226 Difference]: Without dead ends: 5185 [2022-07-21 10:54:08,591 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 [2022-07-21 10:54:08,593 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 [2022-07-21 10:54:08,594 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] [2022-07-21 10:54:08,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5185 states. [2022-07-21 10:54:08,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5185 to 5183. [2022-07-21 10:54:08,734 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) [2022-07-21 10:54:08,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 7675 transitions. [2022-07-21 10:54:08,757 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 7675 transitions. Word has length 55 [2022-07-21 10:54:08,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:54:08,757 INFO L495 AbstractCegarLoop]: Abstraction has 5183 states and 7675 transitions. [2022-07-21 10:54:08,758 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) [2022-07-21 10:54:08,758 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 7675 transitions. [2022-07-21 10:54:08,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-21 10:54:08,764 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:54:08,764 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] [2022-07-21 10:54:08,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-21 10:54:08,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:54:08,979 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:54:08,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:54:08,980 INFO L85 PathProgramCache]: Analyzing trace with hash -683062343, now seen corresponding path program 1 times [2022-07-21 10:54:08,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:54:08,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1656854741] [2022-07-21 10:54:08,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:54:08,982 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:54:08,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:54:09,004 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) [2022-07-21 10:54:09,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process