./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 eb692b52 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-?-eb692b5 [2022-07-19 23:20:05,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:20:05,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:20:05,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:20:05,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:20:05,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:20:05,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:20:05,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:20:05,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:20:05,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:20:05,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:20:05,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:20:05,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:20:05,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:20:05,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:20:05,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:20:05,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:20:05,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:20:05,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:20:05,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:20:05,504 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:20:05,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:20:05,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:20:05,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:20:05,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:20:05,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:20:05,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:20:05,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:20:05,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:20:05,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:20:05,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:20:05,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:20:05,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:20:05,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:20:05,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:20:05,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:20:05,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:20:05,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:20:05,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:20:05,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:20:05,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:20:05,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:20:05,528 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:20:05,555 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:20:05,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:20:05,556 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:20:05,556 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:20:05,557 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:20:05,557 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:20:05,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:20:05,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:20:05,559 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:20:05,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:20:05,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:20:05,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:20:05,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:20:05,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:20:05,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:20:05,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:20:05,562 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:20:05,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:20:05,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:20:05,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:20:05,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:20:05,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:20:05,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:20:05,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:20:05,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:20:05,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:20:05,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:20:05,566 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:20:05,566 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:20:05,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:20:05,566 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2022-07-19 23:20:05,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:20:05,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:20:05,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:20:05,816 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:20:05,817 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:20:05,818 INFO L432 ainManager$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 [2022-07-19 23:20:05,888 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/103c18e49/bff1ed80b40145459e0568f90e52729d/FLAGb103044ff [2022-07-19 23:20:06,730 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:20:06,730 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 [2022-07-19 23:20:06,807 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/103c18e49/bff1ed80b40145459e0568f90e52729d/FLAGb103044ff [2022-07-19 23:20:07,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/103c18e49/bff1ed80b40145459e0568f90e52729d [2022-07-19 23:20:07,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:20:07,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:20:07,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:20:07,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:20:07,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:20:07,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:20:07" (1/1) ... [2022-07-19 23:20:07,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b24cf87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:07, skipping insertion in model container [2022-07-19 23:20:07,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:20:07" (1/1) ... [2022-07-19 23:20:07,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:20:07,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:20:09,969 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] [2022-07-19 23:20:10,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:20:10,134 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:20:10,527 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] [2022-07-19 23:20:10,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:20:10,660 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:20:10,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:10 WrapperNode [2022-07-19 23:20:10,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:20:10,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:20:10,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:20:10,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:20:10,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:10" (1/1) ... [2022-07-19 23:20:10,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:10" (1/1) ... [2022-07-19 23:20:11,000 INFO L137 Inliner]: procedures = 399, calls = 3514, calls flagged for inlining = 185, calls inlined = 158, statements flattened = 7309 [2022-07-19 23:20:11,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:20:11,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:20:11,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:20:11,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:20:11,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:10" (1/1) ... [2022-07-19 23:20:11,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:10" (1/1) ... [2022-07-19 23:20:11,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:10" (1/1) ... [2022-07-19 23:20:11,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:10" (1/1) ... [2022-07-19 23:20:11,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:10" (1/1) ... [2022-07-19 23:20:11,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:10" (1/1) ... [2022-07-19 23:20:11,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:10" (1/1) ... [2022-07-19 23:20:11,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:20:11,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:20:11,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:20:11,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:20:11,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:10" (1/1) ... [2022-07-19 23:20:11,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:20:11,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:20:11,601 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) [2022-07-19 23:20:11,624 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 [2022-07-19 23:20:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-07-19 23:20:11,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-07-19 23:20:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-07-19 23:20:11,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-07-19 23:20:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-19 23:20:11,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-19 23:20:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-19 23:20:11,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-19 23:20:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-19 23:20:11,658 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-19 23:20:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:20:11,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:20:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-19 23:20:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-19 23:20:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-19 23:20:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-19 23:20:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-19 23:20:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-19 23:20:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-19 23:20:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-19 23:20:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-19 23:20:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-19 23:20:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2022-07-19 23:20:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2022-07-19 23:20:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-07-19 23:20:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-07-19 23:20:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-19 23:20:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-19 23:20:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-19 23:20:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-07-19 23:20:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-07-19 23:20:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-07-19 23:20:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-07-19 23:20:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2022-07-19 23:20:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2022-07-19 23:20:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-07-19 23:20:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-07-19 23:20:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-19 23:20:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-19 23:20:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:20:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-19 23:20:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-19 23:20:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-19 23:20:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-19 23:20:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-07-19 23:20:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-07-19 23:20:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-07-19 23:20:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-07-19 23:20:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-07-19 23:20:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-07-19 23:20:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-19 23:20:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-19 23:20:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-19 23:20:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-19 23:20:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-19 23:20:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-19 23:20:11,666 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-19 23:20:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-07-19 23:20:11,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-07-19 23:20:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-19 23:20:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-07-19 23:20:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-07-19 23:20:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 23:20:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-19 23:20:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-19 23:20:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-07-19 23:20:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-07-19 23:20:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-07-19 23:20:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-07-19 23:20:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 23:20:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 23:20:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-07-19 23:20:11,670 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-07-19 23:20:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-19 23:20:11,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-19 23:20:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-19 23:20:11,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-19 23:20:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-19 23:20:11,671 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-19 23:20:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2022-07-19 23:20:11,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2022-07-19 23:20:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-19 23:20:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-19 23:20:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-07-19 23:20:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-07-19 23:20:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-19 23:20:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-19 23:20:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-07-19 23:20:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-07-19 23:20:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:20:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-19 23:20:11,674 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-19 23:20:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:20:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-19 23:20:11,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-19 23:20:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-19 23:20:11,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-19 23:20:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:20:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-19 23:20:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-07-19 23:20:11,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-07-19 23:20:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-07-19 23:20:11,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-07-19 23:20:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-07-19 23:20:11,677 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-07-19 23:20:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-19 23:20:11,677 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-19 23:20:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-07-19 23:20:11,678 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-07-19 23:20:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-19 23:20:11,678 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-19 23:20:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-19 23:20:11,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-19 23:20:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-07-19 23:20:11,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-07-19 23:20:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:20:11,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:20:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-19 23:20:11,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-19 23:20:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-19 23:20:11,682 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-19 23:20:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-19 23:20:11,682 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-19 23:20:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-07-19 23:20:11,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-07-19 23:20:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2022-07-19 23:20:11,685 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2022-07-19 23:20:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:20:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:20:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-07-19 23:20:11,690 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-07-19 23:20:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2022-07-19 23:20:11,690 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2022-07-19 23:20:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-19 23:20:11,691 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-19 23:20:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-19 23:20:11,691 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-19 23:20:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-19 23:20:11,691 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-19 23:20:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-07-19 23:20:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-07-19 23:20:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-07-19 23:20:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-07-19 23:20:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-07-19 23:20:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-07-19 23:20:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-07-19 23:20:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-07-19 23:20:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-07-19 23:20:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-07-19 23:20:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-07-19 23:20:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-07-19 23:20:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-07-19 23:20:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-07-19 23:20:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-19 23:20:11,694 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-19 23:20:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-19 23:20:11,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-19 23:20:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-07-19 23:20:11,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-07-19 23:20:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:20:11,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:20:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-19 23:20:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-19 23:20:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-19 23:20:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-19 23:20:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-07-19 23:20:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-07-19 23:20:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-19 23:20:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-19 23:20:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-07-19 23:20:11,696 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-07-19 23:20:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 23:20:11,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 23:20:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-19 23:20:11,696 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-19 23:20:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-19 23:20:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-19 23:20:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-19 23:20:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-19 23:20:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-07-19 23:20:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-07-19 23:20:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-19 23:20:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-19 23:20:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-07-19 23:20:11,698 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-07-19 23:20:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-19 23:20:11,698 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-19 23:20:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-19 23:20:11,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-19 23:20:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:20:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-07-19 23:20:11,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-07-19 23:20:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:20:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-07-19 23:20:11,699 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-07-19 23:20:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-07-19 23:20:11,699 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-07-19 23:20:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-07-19 23:20:11,700 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-07-19 23:20:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-07-19 23:20:11,700 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-07-19 23:20:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-07-19 23:20:11,700 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-07-19 23:20:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:20:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-19 23:20:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-19 23:20:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-19 23:20:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-19 23:20:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-19 23:20:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-19 23:20:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-07-19 23:20:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-07-19 23:20:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-19 23:20:11,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-19 23:20:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-07-19 23:20:11,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-07-19 23:20:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-07-19 23:20:11,702 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-07-19 23:20:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-07-19 23:20:11,702 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-07-19 23:20:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-19 23:20:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-19 23:20:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2022-07-19 23:20:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2022-07-19 23:20:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-19 23:20:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-19 23:20:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-07-19 23:20:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-07-19 23:20:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-19 23:20:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-19 23:20:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-19 23:20:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-19 23:20:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-07-19 23:20:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-07-19 23:20:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-07-19 23:20:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-07-19 23:20:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-07-19 23:20:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-07-19 23:20:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-07-19 23:20:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-07-19 23:20:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 23:20:11,706 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 23:20:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-19 23:20:11,706 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-19 23:20:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 23:20:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:20:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:20:11,710 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-07-19 23:20:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-07-19 23:20:11,710 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-19 23:20:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-19 23:20:11,710 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-07-19 23:20:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-07-19 23:20:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-07-19 23:20:11,711 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-07-19 23:20:11,712 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-19 23:20:11,712 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-19 23:20:11,712 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-19 23:20:11,712 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-19 23:20:11,712 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-07-19 23:20:11,712 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-07-19 23:20:11,713 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-19 23:20:11,713 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-19 23:20:11,713 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-19 23:20:11,713 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-19 23:20:11,713 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-07-19 23:20:11,713 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-07-19 23:20:11,713 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-07-19 23:20:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-07-19 23:20:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-19 23:20:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-19 23:20:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-19 23:20:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-19 23:20:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-19 23:20:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-19 23:20:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-07-19 23:20:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-07-19 23:20:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-07-19 23:20:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-07-19 23:20:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-19 23:20:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-19 23:20:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-07-19 23:20:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-07-19 23:20:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-19 23:20:11,716 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-19 23:20:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 23:20:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-07-19 23:20:11,716 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-07-19 23:20:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-07-19 23:20:11,716 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-07-19 23:20:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-07-19 23:20:11,717 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-07-19 23:20:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-19 23:20:11,717 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-19 23:20:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-19 23:20:11,717 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-19 23:20:12,771 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:20:12,774 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:20:26,136 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:20:26,155 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:20:26,155 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 23:20:26,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:20:26 BoogieIcfgContainer [2022-07-19 23:20:26,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:20:26,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:20:26,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:20:26,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:20:26,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:20:07" (1/3) ... [2022-07-19 23:20:26,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471f7bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:20:26, skipping insertion in model container [2022-07-19 23:20:26,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:10" (2/3) ... [2022-07-19 23:20:26,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471f7bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:20:26, skipping insertion in model container [2022-07-19 23:20:26,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:20:26" (3/3) ... [2022-07-19 23:20:26,167 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2022-07-19 23:20:26,179 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:20:26,180 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:20:26,276 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:20:26,284 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@4e666d2a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@26873449 [2022-07-19 23:20:26,284 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:20:26,297 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) [2022-07-19 23:20:26,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-19 23:20:26,304 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:20:26,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:20:26,306 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:20:26,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:20:26,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1788196537, now seen corresponding path program 1 times [2022-07-19 23:20:26,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:20:26,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619669851] [2022-07-19 23:20:26,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:20:26,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:20:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:26,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:20:26,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:20:26,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619669851] [2022-07-19 23:20:26,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619669851] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:20:26,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:20:26,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:20:26,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259874512] [2022-07-19 23:20:26,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:20:26,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:20:26,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:20:26,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:20:26,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:20:26,914 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) [2022-07-19 23:20:27,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:20:27,368 INFO L93 Difference]: Finished difference Result 8077 states and 12365 transitions. [2022-07-19 23:20:27,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:20:27,370 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 [2022-07-19 23:20:27,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:20:27,509 INFO L225 Difference]: With dead ends: 8077 [2022-07-19 23:20:27,510 INFO L226 Difference]: Without dead ends: 5324 [2022-07-19 23:20:27,533 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 [2022-07-19 23:20:27,537 INFO L413 NwaCegarLoop]: 4830 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, 8820 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 [2022-07-19 23:20:27,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3913 Valid, 8820 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:20:27,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5324 states. [2022-07-19 23:20:27,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5324 to 5321. [2022-07-19 23:20:27,812 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) [2022-07-19 23:20:27,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5321 states to 5321 states and 7861 transitions. [2022-07-19 23:20:27,855 INFO L78 Accepts]: Start accepts. Automaton has 5321 states and 7861 transitions. Word has length 9 [2022-07-19 23:20:27,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:20:27,856 INFO L495 AbstractCegarLoop]: Abstraction has 5321 states and 7861 transitions. [2022-07-19 23:20:27,856 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) [2022-07-19 23:20:27,856 INFO L276 IsEmpty]: Start isEmpty. Operand 5321 states and 7861 transitions. [2022-07-19 23:20:27,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-19 23:20:27,858 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:20:27,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:20:27,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 23:20:27,858 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:20:27,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:20:27,859 INFO L85 PathProgramCache]: Analyzing trace with hash 399282008, now seen corresponding path program 1 times [2022-07-19 23:20:27,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:20:27,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274277908] [2022-07-19 23:20:27,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:20:27,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:20:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:20:28,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:20:28,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274277908] [2022-07-19 23:20:28,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274277908] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:20:28,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:20:28,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:20:28,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988894335] [2022-07-19 23:20:28,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:20:28,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:20:28,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:20:28,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:20:28,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:20:28,018 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) [2022-07-19 23:20:28,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:20:28,195 INFO L93 Difference]: Finished difference Result 5323 states and 7862 transitions. [2022-07-19 23:20:28,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:20:28,196 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 [2022-07-19 23:20:28,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:20:28,229 INFO L225 Difference]: With dead ends: 5323 [2022-07-19 23:20:28,229 INFO L226 Difference]: Without dead ends: 5320 [2022-07-19 23:20:28,235 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 [2022-07-19 23:20:28,237 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 [2022-07-19 23:20:28,237 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] [2022-07-19 23:20:28,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5320 states. [2022-07-19 23:20:28,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5320 to 5320. [2022-07-19 23:20:28,421 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) [2022-07-19 23:20:28,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5320 states to 5320 states and 7859 transitions. [2022-07-19 23:20:28,459 INFO L78 Accepts]: Start accepts. Automaton has 5320 states and 7859 transitions. Word has length 10 [2022-07-19 23:20:28,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:20:28,459 INFO L495 AbstractCegarLoop]: Abstraction has 5320 states and 7859 transitions. [2022-07-19 23:20:28,460 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) [2022-07-19 23:20:28,460 INFO L276 IsEmpty]: Start isEmpty. Operand 5320 states and 7859 transitions. [2022-07-19 23:20:28,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-19 23:20:28,461 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:20:28,461 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:20:28,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 23:20:28,461 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:20:28,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:20:28,462 INFO L85 PathProgramCache]: Analyzing trace with hash -508354966, now seen corresponding path program 1 times [2022-07-19 23:20:28,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:20:28,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130309685] [2022-07-19 23:20:28,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:20:28,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:20:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:28,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:20:28,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:20:28,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130309685] [2022-07-19 23:20:28,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130309685] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:20:28,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:20:28,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:20:28,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443934817] [2022-07-19 23:20:28,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:20:28,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:20:28,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:20:28,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:20:28,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:20:28,603 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) [2022-07-19 23:20:28,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:20:28,759 INFO L93 Difference]: Finished difference Result 5322 states and 7860 transitions. [2022-07-19 23:20:28,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:20:28,764 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 [2022-07-19 23:20:28,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:20:28,797 INFO L225 Difference]: With dead ends: 5322 [2022-07-19 23:20:28,797 INFO L226 Difference]: Without dead ends: 5315 [2022-07-19 23:20:28,802 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 [2022-07-19 23:20:28,804 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 [2022-07-19 23:20:28,804 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] [2022-07-19 23:20:28,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5315 states. [2022-07-19 23:20:28,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5315 to 5315. [2022-07-19 23:20:28,987 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) [2022-07-19 23:20:29,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5315 states to 5315 states and 7851 transitions. [2022-07-19 23:20:29,123 INFO L78 Accepts]: Start accepts. Automaton has 5315 states and 7851 transitions. Word has length 11 [2022-07-19 23:20:29,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:20:29,123 INFO L495 AbstractCegarLoop]: Abstraction has 5315 states and 7851 transitions. [2022-07-19 23:20:29,124 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) [2022-07-19 23:20:29,124 INFO L276 IsEmpty]: Start isEmpty. Operand 5315 states and 7851 transitions. [2022-07-19 23:20:29,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-19 23:20:29,135 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:20:29,135 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] [2022-07-19 23:20:29,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 23:20:29,136 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:20:29,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:20:29,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1992860220, now seen corresponding path program 1 times [2022-07-19 23:20:29,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:20:29,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270573335] [2022-07-19 23:20:29,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:20:29,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:20:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:29,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 23:20:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:29,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:20:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:29,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:20:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:29,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:20:29,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:20:29,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270573335] [2022-07-19 23:20:29,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270573335] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:20:29,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:20:29,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:20:29,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543181241] [2022-07-19 23:20:29,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:20:29,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:20:29,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:20:29,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:20:29,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:20:29,404 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) [2022-07-19 23:20:32,796 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:20:35,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:20:41,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:20:41,595 INFO L93 Difference]: Finished difference Result 11416 states and 17606 transitions. [2022-07-19 23:20:41,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 23:20:41,596 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 [2022-07-19 23:20:41,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:20:41,658 INFO L225 Difference]: With dead ends: 11416 [2022-07-19 23:20:41,658 INFO L226 Difference]: Without dead ends: 6104 [2022-07-19 23:20:41,699 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 [2022-07-19 23:20:41,706 INFO L413 NwaCegarLoop]: 3746 mSDtfsCounter, 899 mSDsluCounter, 3901 mSDsCounter, 0 mSdLazyCounter, 3254 mSolverCounterSat, 769 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 982 SdHoareTripleChecker+Valid, 7647 SdHoareTripleChecker+Invalid, 4025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 769 IncrementalHoareTripleChecker+Valid, 3254 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-07-19 23:20:41,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [982 Valid, 7647 Invalid, 4025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [769 Valid, 3254 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2022-07-19 23:20:41,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6104 states. [2022-07-19 23:20:41,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6104 to 5803. [2022-07-19 23:20:42,007 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) [2022-07-19 23:20:42,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5803 states to 5803 states and 8777 transitions. [2022-07-19 23:20:42,038 INFO L78 Accepts]: Start accepts. Automaton has 5803 states and 8777 transitions. Word has length 55 [2022-07-19 23:20:42,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:20:42,039 INFO L495 AbstractCegarLoop]: Abstraction has 5803 states and 8777 transitions. [2022-07-19 23:20:42,040 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) [2022-07-19 23:20:42,040 INFO L276 IsEmpty]: Start isEmpty. Operand 5803 states and 8777 transitions. [2022-07-19 23:20:42,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-19 23:20:42,048 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:20:42,048 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] [2022-07-19 23:20:42,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 23:20:42,048 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:20:42,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:20:42,049 INFO L85 PathProgramCache]: Analyzing trace with hash -680247914, now seen corresponding path program 1 times [2022-07-19 23:20:42,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:20:42,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922813039] [2022-07-19 23:20:42,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:20:42,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:20:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 23:20:42,337 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 23:20:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 23:20:42,603 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-19 23:20:42,603 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 23:20:42,604 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 23:20:42,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 23:20:42,608 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-19 23:20:42,611 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 23:20:42,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:20:42 BoogieIcfgContainer [2022-07-19 23:20:42,700 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 23:20:42,701 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 23:20:42,701 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 23:20:42,701 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 23:20:42,702 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:20:26" (3/4) ... [2022-07-19 23:20:42,704 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-19 23:20:42,704 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 23:20:42,705 INFO L158 Benchmark]: Toolchain (without parser) took 35513.66ms. Allocated memory was 90.2MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 61.8MB in the beginning and 863.3MB in the end (delta: -801.5MB). Peak memory consumption was 417.6MB. Max. memory is 16.1GB. [2022-07-19 23:20:42,705 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 90.2MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 23:20:42,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3470.86ms. Allocated memory was 90.2MB in the beginning and 188.7MB in the end (delta: 98.6MB). Free memory was 61.5MB in the beginning and 93.6MB in the end (delta: -32.2MB). Peak memory consumption was 106.1MB. Max. memory is 16.1GB. [2022-07-19 23:20:42,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 337.61ms. Allocated memory is still 188.7MB. Free memory was 93.6MB in the beginning and 78.5MB in the end (delta: 15.2MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2022-07-19 23:20:42,706 INFO L158 Benchmark]: Boogie Preprocessor took 533.72ms. Allocated memory was 188.7MB in the beginning and 325.1MB in the end (delta: 136.3MB). Free memory was 78.5MB in the beginning and 183.8MB in the end (delta: -105.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-07-19 23:20:42,706 INFO L158 Benchmark]: RCFGBuilder took 14623.64ms. Allocated memory was 325.1MB in the beginning and 906.0MB in the end (delta: 580.9MB). Free memory was 183.8MB in the beginning and 416.6MB in the end (delta: -232.8MB). Peak memory consumption was 515.9MB. Max. memory is 16.1GB. [2022-07-19 23:20:42,706 INFO L158 Benchmark]: TraceAbstraction took 16539.14ms. Allocated memory was 906.0MB in the beginning and 1.3GB in the end (delta: 402.7MB). Free memory was 415.6MB in the beginning and 864.3MB in the end (delta: -448.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 23:20:42,707 INFO L158 Benchmark]: Witness Printer took 3.47ms. Allocated memory is still 1.3GB. Free memory was 864.3MB in the beginning and 863.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 23:20:42,708 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 90.2MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3470.86ms. Allocated memory was 90.2MB in the beginning and 188.7MB in the end (delta: 98.6MB). Free memory was 61.5MB in the beginning and 93.6MB in the end (delta: -32.2MB). Peak memory consumption was 106.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 337.61ms. Allocated memory is still 188.7MB. Free memory was 93.6MB in the beginning and 78.5MB in the end (delta: 15.2MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 533.72ms. Allocated memory was 188.7MB in the beginning and 325.1MB in the end (delta: 136.3MB). Free memory was 78.5MB in the beginning and 183.8MB in the end (delta: -105.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * RCFGBuilder took 14623.64ms. Allocated memory was 325.1MB in the beginning and 906.0MB in the end (delta: 580.9MB). Free memory was 183.8MB in the beginning and 416.6MB in the end (delta: -232.8MB). Peak memory consumption was 515.9MB. Max. memory is 16.1GB. * TraceAbstraction took 16539.14ms. Allocated memory was 906.0MB in the beginning and 1.3GB in the end (delta: 402.7MB). Free memory was 415.6MB in the beginning and 864.3MB in the end (delta: -448.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.47ms. Allocated memory is still 1.3GB. Free memory was 864.3MB in the beginning and 863.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 16.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 12676 SdHoareTripleChecker+Valid, 11.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12593 mSDsluCounter, 24262 SdHoareTripleChecker+Invalid, 11.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7891 mSDsCounter, 776 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3268 IncrementalHoareTripleChecker+Invalid, 4046 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 776 mSolverCounterUnsat, 16371 mSDtfsCounter, 3268 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5803occurred in iteration=4, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 304 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-19 23:20:42,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:20:44,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:20:44,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:20:44,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:20:44,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:20:44,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:20:44,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:20:44,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:20:44,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:20:44,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:20:44,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:20:44,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:20:44,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:20:44,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:20:44,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:20:44,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:20:44,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:20:44,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:20:44,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:20:44,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:20:44,780 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:20:44,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:20:44,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:20:44,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:20:44,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:20:44,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:20:44,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:20:44,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:20:44,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:20:44,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:20:44,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:20:44,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:20:44,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:20:44,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:20:44,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:20:44,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:20:44,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:20:44,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:20:44,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:20:44,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:20:44,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:20:44,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:20:44,808 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-19 23:20:44,839 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:20:44,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:20:44,840 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:20:44,840 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:20:44,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:20:44,841 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:20:44,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:20:44,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:20:44,842 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:20:44,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:20:44,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:20:44,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:20:44,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:20:44,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:20:44,844 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 23:20:44,845 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 23:20:44,845 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 23:20:44,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:20:44,845 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:20:44,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:20:44,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:20:44,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:20:44,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:20:44,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:20:44,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:20:44,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:20:44,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:20:44,847 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 23:20:44,847 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 23:20:44,847 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:20:44,848 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:20:44,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:20:44,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 23:20:44,848 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2022-07-19 23:20:45,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:20:45,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:20:45,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:20:45,179 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:20:45,179 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:20:45,180 INFO L432 ainManager$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 [2022-07-19 23:20:45,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0df1fe182/e6d0c56206354ddd9fe94468d1db9a4c/FLAGd4ebff4ce [2022-07-19 23:20:45,984 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:20:45,985 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 [2022-07-19 23:20:46,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0df1fe182/e6d0c56206354ddd9fe94468d1db9a4c/FLAGd4ebff4ce [2022-07-19 23:20:46,546 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0df1fe182/e6d0c56206354ddd9fe94468d1db9a4c [2022-07-19 23:20:46,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:20:46,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:20:46,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:20:46,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:20:46,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:20:46,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:20:46" (1/1) ... [2022-07-19 23:20:46,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1714887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:46, skipping insertion in model container [2022-07-19 23:20:46,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:20:46" (1/1) ... [2022-07-19 23:20:46,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:20:46,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:20:49,719 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] [2022-07-19 23:20:49,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:20:49,898 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-19 23:20:50,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:20:50,369 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] [2022-07-19 23:20:50,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:20:50,399 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:20:50,740 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] [2022-07-19 23:20:50,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:20:50,903 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:20:50,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:50 WrapperNode [2022-07-19 23:20:50,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:20:50,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:20:50,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:20:50,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:20:50,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:50" (1/1) ... [2022-07-19 23:20:51,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:50" (1/1) ... [2022-07-19 23:20:51,291 INFO L137 Inliner]: procedures = 414, calls = 3514, calls flagged for inlining = 185, calls inlined = 158, statements flattened = 6947 [2022-07-19 23:20:51,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:20:51,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:20:51,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:20:51,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:20:51,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:50" (1/1) ... [2022-07-19 23:20:51,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:50" (1/1) ... [2022-07-19 23:20:51,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:50" (1/1) ... [2022-07-19 23:20:51,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:50" (1/1) ... [2022-07-19 23:20:51,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:50" (1/1) ... [2022-07-19 23:20:51,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:50" (1/1) ... [2022-07-19 23:20:51,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:50" (1/1) ... [2022-07-19 23:20:51,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:20:51,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:20:51,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:20:51,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:20:51,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:50" (1/1) ... [2022-07-19 23:20:51,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:20:51,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:20:51,753 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) [2022-07-19 23:20:51,777 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 [2022-07-19 23:20:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-07-19 23:20:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-07-19 23:20:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-07-19 23:20:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-07-19 23:20:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-19 23:20:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-19 23:20:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-19 23:20:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-19 23:20:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-19 23:20:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-19 23:20:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:20:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:20:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-19 23:20:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-19 23:20:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-19 23:20:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-19 23:20:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-19 23:20:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-19 23:20:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-19 23:20:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-19 23:20:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-19 23:20:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-19 23:20:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2022-07-19 23:20:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2022-07-19 23:20:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-07-19 23:20:51,794 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-07-19 23:20:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-19 23:20:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-19 23:20:51,794 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-19 23:20:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-07-19 23:20:51,795 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-07-19 23:20:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-07-19 23:20:51,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-07-19 23:20:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2022-07-19 23:20:51,795 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2022-07-19 23:20:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-07-19 23:20:51,796 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-07-19 23:20:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-19 23:20:51,796 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-19 23:20:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:20:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-19 23:20:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 23:20:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-19 23:20:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-19 23:20:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-19 23:20:51,797 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-19 23:20:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-19 23:20:51,798 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-19 23:20:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-07-19 23:20:51,799 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-07-19 23:20:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-07-19 23:20:51,799 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-07-19 23:20:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-07-19 23:20:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-07-19 23:20:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-19 23:20:51,801 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-19 23:20:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-19 23:20:51,801 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-19 23:20:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-19 23:20:51,802 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-19 23:20:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-07-19 23:20:51,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-07-19 23:20:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-07-19 23:20:51,802 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-07-19 23:20:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-19 23:20:51,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-19 23:20:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-07-19 23:20:51,803 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-07-19 23:20:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-07-19 23:20:51,803 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-07-19 23:20:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 23:20:51,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 23:20:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-07-19 23:20:51,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-07-19 23:20:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-19 23:20:51,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-19 23:20:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-19 23:20:51,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-19 23:20:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-19 23:20:51,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-19 23:20:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2022-07-19 23:20:51,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2022-07-19 23:20:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-19 23:20:51,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-19 23:20:51,806 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-07-19 23:20:51,806 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-07-19 23:20:51,806 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-19 23:20:51,807 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-19 23:20:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-07-19 23:20:51,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-07-19 23:20:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:20:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-19 23:20:51,808 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-19 23:20:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:20:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-19 23:20:51,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-19 23:20:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-19 23:20:51,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-19 23:20:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:20:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-19 23:20:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-19 23:20:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-19 23:20:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-07-19 23:20:51,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-07-19 23:20:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-19 23:20:51,810 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-07-19 23:20:51,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-07-19 23:20:51,810 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-07-19 23:20:51,810 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-07-19 23:20:51,810 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-19 23:20:51,811 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-19 23:20:51,812 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-07-19 23:20:51,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-07-19 23:20:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-19 23:20:51,814 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-19 23:20:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-19 23:20:51,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-19 23:20:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-07-19 23:20:51,816 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-07-19 23:20:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-19 23:20:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:20:51,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:20:51,822 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-19 23:20:51,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-19 23:20:51,822 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-19 23:20:51,822 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-19 23:20:51,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-19 23:20:51,823 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-19 23:20:51,823 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-19 23:20:51,823 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-07-19 23:20:51,823 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-07-19 23:20:51,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-19 23:20:51,823 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2022-07-19 23:20:51,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2022-07-19 23:20:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-19 23:20:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:20:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-19 23:20:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:20:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-07-19 23:20:51,824 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-07-19 23:20:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2022-07-19 23:20:51,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2022-07-19 23:20:51,825 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-19 23:20:51,825 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-19 23:20:51,825 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-19 23:20:51,825 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-19 23:20:51,825 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-19 23:20:51,825 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-19 23:20:51,825 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-07-19 23:20:51,826 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-07-19 23:20:51,826 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-07-19 23:20:51,826 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-07-19 23:20:51,826 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-07-19 23:20:51,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-07-19 23:20:51,826 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-07-19 23:20:51,826 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-07-19 23:20:51,827 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-07-19 23:20:51,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-07-19 23:20:51,827 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-07-19 23:20:51,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-07-19 23:20:51,827 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-07-19 23:20:51,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-07-19 23:20:51,827 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-19 23:20:51,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-19 23:20:51,828 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-19 23:20:51,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-19 23:20:51,828 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-07-19 23:20:51,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-07-19 23:20:51,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:20:51,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:20:51,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-19 23:20:51,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-19 23:20:51,829 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-19 23:20:51,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-19 23:20:51,829 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-07-19 23:20:51,829 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-07-19 23:20:51,829 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-19 23:20:51,829 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-19 23:20:51,829 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-07-19 23:20:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-07-19 23:20:51,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 23:20:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 23:20:51,831 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-19 23:20:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-19 23:20:51,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-19 23:20:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-19 23:20:51,831 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-19 23:20:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-19 23:20:51,831 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-07-19 23:20:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-07-19 23:20:51,832 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-19 23:20:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-19 23:20:51,832 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-07-19 23:20:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-07-19 23:20:51,832 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-19 23:20:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-19 23:20:51,832 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-19 23:20:51,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-19 23:20:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:20:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-07-19 23:20:51,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-07-19 23:20:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:20:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-07-19 23:20:51,833 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-07-19 23:20:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-07-19 23:20:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-07-19 23:20:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-07-19 23:20:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-07-19 23:20:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-07-19 23:20:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-07-19 23:20:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-19 23:20:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-19 23:20:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-19 23:20:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-07-19 23:20:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-07-19 23:20:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-19 23:20:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:20:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-19 23:20:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-19 23:20:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-19 23:20:51,836 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-19 23:20:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-19 23:20:51,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-19 23:20:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-07-19 23:20:51,836 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-07-19 23:20:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-19 23:20:51,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-19 23:20:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-07-19 23:20:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-07-19 23:20:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-07-19 23:20:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-07-19 23:20:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-07-19 23:20:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-07-19 23:20:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-19 23:20:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-19 23:20:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2022-07-19 23:20:51,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2022-07-19 23:20:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-19 23:20:51,839 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-19 23:20:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-07-19 23:20:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-07-19 23:20:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-19 23:20:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-19 23:20:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-19 23:20:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-19 23:20:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-07-19 23:20:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-07-19 23:20:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-07-19 23:20:51,844 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-07-19 23:20:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-07-19 23:20:51,844 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-07-19 23:20:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-07-19 23:20:51,844 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-07-19 23:20:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 23:20:51,844 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 23:20:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-19 23:20:51,845 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-19 23:20:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-19 23:20:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-19 23:20:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-19 23:20:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-19 23:20:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:20:51,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:20:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-07-19 23:20:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-07-19 23:20:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-19 23:20:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-19 23:20:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-07-19 23:20:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-07-19 23:20:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-07-19 23:20:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-07-19 23:20:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-19 23:20:51,847 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-19 23:20:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-19 23:20:51,847 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-19 23:20:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-07-19 23:20:51,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-07-19 23:20:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-19 23:20:51,847 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-19 23:20:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-19 23:20:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-19 23:20:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-07-19 23:20:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-07-19 23:20:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-07-19 23:20:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-07-19 23:20:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-19 23:20:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-19 23:20:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-19 23:20:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-19 23:20:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-19 23:20:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-19 23:20:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-07-19 23:20:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-07-19 23:20:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-07-19 23:20:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-07-19 23:20:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-19 23:20:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-19 23:20:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-07-19 23:20:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-07-19 23:20:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-19 23:20:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-19 23:20:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-07-19 23:20:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-07-19 23:20:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-07-19 23:20:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-07-19 23:20:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-07-19 23:20:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-07-19 23:20:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-19 23:20:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-19 23:20:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-19 23:20:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-19 23:20:52,967 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:20:52,970 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:22:50,398 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:22:50,417 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:22:50,417 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 23:22:50,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:22:50 BoogieIcfgContainer [2022-07-19 23:22:50,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:22:50,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:22:50,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:22:50,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:22:50,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:20:46" (1/3) ... [2022-07-19 23:22:50,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40324e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:22:50, skipping insertion in model container [2022-07-19 23:22:50,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:50" (2/3) ... [2022-07-19 23:22:50,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40324e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:22:50, skipping insertion in model container [2022-07-19 23:22:50,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:22:50" (3/3) ... [2022-07-19 23:22:50,427 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2022-07-19 23:22:50,439 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:22:50,439 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:22:50,524 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:22:50,532 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@6807f1f8, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4dbd1991 [2022-07-19 23:22:50,532 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:22:50,545 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) [2022-07-19 23:22:50,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-19 23:22:50,551 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:22:50,552 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:22:50,552 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:22:50,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:22:50,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1902675333, now seen corresponding path program 1 times [2022-07-19 23:22:50,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:22:50,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36087811] [2022-07-19 23:22:50,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:22:50,575 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:22:50,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:22:50,581 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) [2022-07-19 23:22:50,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 23:22:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:22:52,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 1982 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:22:52,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:22:52,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:22:52,955 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:22:52,956 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:22:52,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36087811] [2022-07-19 23:22:52,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [36087811] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:22:52,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:22:52,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:22:52,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932328435] [2022-07-19 23:22:52,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:22:52,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:22:52,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:22:52,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:22:52,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:22:52,988 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) [2022-07-19 23:22:53,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:22:53,703 INFO L93 Difference]: Finished difference Result 7879 states and 11977 transitions. [2022-07-19 23:22:53,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:22:53,709 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 [2022-07-19 23:22:53,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:22:53,768 INFO L225 Difference]: With dead ends: 7879 [2022-07-19 23:22:53,769 INFO L226 Difference]: Without dead ends: 5192 [2022-07-19 23:22:53,800 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 [2022-07-19 23:22:53,806 INFO L413 NwaCegarLoop]: 4611 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, 8516 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-19 23:22:53,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3828 Valid, 8516 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-19 23:22:53,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5192 states. [2022-07-19 23:22:54,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5192 to 5189. [2022-07-19 23:22:54,098 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) [2022-07-19 23:22:54,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 5189 states and 7691 transitions. [2022-07-19 23:22:54,151 INFO L78 Accepts]: Start accepts. Automaton has 5189 states and 7691 transitions. Word has length 9 [2022-07-19 23:22:54,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:22:54,151 INFO L495 AbstractCegarLoop]: Abstraction has 5189 states and 7691 transitions. [2022-07-19 23:22:54,151 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) [2022-07-19 23:22:54,152 INFO L276 IsEmpty]: Start isEmpty. Operand 5189 states and 7691 transitions. [2022-07-19 23:22:54,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-19 23:22:54,153 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:22:54,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:22:54,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-19 23:22:54,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:22:54,372 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:22:54,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:22:54,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1147815645, now seen corresponding path program 1 times [2022-07-19 23:22:54,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:22:54,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1487721003] [2022-07-19 23:22:54,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:22:54,378 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:22:54,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:22:54,379 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) [2022-07-19 23:22:54,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-19 23:22:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:22:56,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 1983 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:22:56,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:22:56,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:22:56,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:22:56,591 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:22:56,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1487721003] [2022-07-19 23:22:56,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1487721003] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:22:56,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:22:56,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:22:56,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949033062] [2022-07-19 23:22:56,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:22:56,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:22:56,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:22:56,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:22:56,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:22:56,594 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) [2022-07-19 23:22:56,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:22:56,929 INFO L93 Difference]: Finished difference Result 5191 states and 7692 transitions. [2022-07-19 23:22:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:22:56,931 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 [2022-07-19 23:22:56,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:22:56,969 INFO L225 Difference]: With dead ends: 5191 [2022-07-19 23:22:56,970 INFO L226 Difference]: Without dead ends: 5188 [2022-07-19 23:22:56,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:22:56,975 INFO L413 NwaCegarLoop]: 3813 mSDtfsCounter, 3807 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3807 SdHoareTripleChecker+Valid, 3813 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 23:22:56,976 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] [2022-07-19 23:22:56,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5188 states. [2022-07-19 23:22:57,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5188 to 5188. [2022-07-19 23:22:57,175 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) [2022-07-19 23:22:57,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5188 states to 5188 states and 7689 transitions. [2022-07-19 23:22:57,218 INFO L78 Accepts]: Start accepts. Automaton has 5188 states and 7689 transitions. Word has length 10 [2022-07-19 23:22:57,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:22:57,219 INFO L495 AbstractCegarLoop]: Abstraction has 5188 states and 7689 transitions. [2022-07-19 23:22:57,219 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) [2022-07-19 23:22:57,219 INFO L276 IsEmpty]: Start isEmpty. Operand 5188 states and 7689 transitions. [2022-07-19 23:22:57,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-19 23:22:57,220 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:22:57,220 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:22:57,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-19 23:22:57,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:22:57,436 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:22:57,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:22:57,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1223750584, now seen corresponding path program 1 times [2022-07-19 23:22:57,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:22:57,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1163939718] [2022-07-19 23:22:57,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:22:57,440 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:22:57,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:22:57,443 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) [2022-07-19 23:22:57,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-19 23:22:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:22:59,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 1984 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:22:59,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:22:59,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:22:59,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:22:59,561 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:22:59,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1163939718] [2022-07-19 23:22:59,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1163939718] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:22:59,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:22:59,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:22:59,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644619469] [2022-07-19 23:22:59,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:22:59,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:22:59,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:22:59,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:22:59,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:22:59,563 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) [2022-07-19 23:22:59,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:22:59,812 INFO L93 Difference]: Finished difference Result 5190 states and 7690 transitions. [2022-07-19 23:22:59,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:22:59,841 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 [2022-07-19 23:22:59,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:22:59,872 INFO L225 Difference]: With dead ends: 5190 [2022-07-19 23:22:59,872 INFO L226 Difference]: Without dead ends: 5183 [2022-07-19 23:22:59,876 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 [2022-07-19 23:22:59,877 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 [2022-07-19 23:22:59,877 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] [2022-07-19 23:22:59,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5183 states. [2022-07-19 23:23:00,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5183 to 5183. [2022-07-19 23:23:00,074 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) [2022-07-19 23:23:00,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 7681 transitions. [2022-07-19 23:23:00,105 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 7681 transitions. Word has length 11 [2022-07-19 23:23:00,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:23:00,106 INFO L495 AbstractCegarLoop]: Abstraction has 5183 states and 7681 transitions. [2022-07-19 23:23:00,107 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) [2022-07-19 23:23:00,107 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 7681 transitions. [2022-07-19 23:23:00,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-19 23:23:00,118 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:23:00,118 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] [2022-07-19 23:23:00,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-19 23:23:00,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:23:00,340 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:23:00,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:23:00,340 INFO L85 PathProgramCache]: Analyzing trace with hash 914557151, now seen corresponding path program 1 times [2022-07-19 23:23:00,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:23:00,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322106884] [2022-07-19 23:23:00,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:23:00,343 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:23:00,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:23:00,348 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) [2022-07-19 23:23:00,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-19 23:23:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:23:02,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 2159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:23:02,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:23:02,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:23:02,384 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:23:02,384 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:23:02,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1322106884] [2022-07-19 23:23:02,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1322106884] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:23:02,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:23:02,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:23:02,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698879752] [2022-07-19 23:23:02,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:23:02,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:23:02,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:23:02,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:23:02,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:23:02,386 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) [2022-07-19 23:23:02,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:23:02,709 INFO L93 Difference]: Finished difference Result 10365 states and 15741 transitions. [2022-07-19 23:23:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:23:02,710 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 [2022-07-19 23:23:02,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:23:02,749 INFO L225 Difference]: With dead ends: 10365 [2022-07-19 23:23:02,749 INFO L226 Difference]: Without dead ends: 5185 [2022-07-19 23:23:02,794 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 [2022-07-19 23:23:02,796 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 [2022-07-19 23:23:02,797 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] [2022-07-19 23:23:02,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5185 states. [2022-07-19 23:23:03,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5185 to 5183. [2022-07-19 23:23:03,119 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) [2022-07-19 23:23:03,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 7675 transitions. [2022-07-19 23:23:03,146 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 7675 transitions. Word has length 55 [2022-07-19 23:23:03,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:23:03,147 INFO L495 AbstractCegarLoop]: Abstraction has 5183 states and 7675 transitions. [2022-07-19 23:23:03,147 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) [2022-07-19 23:23:03,147 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 7675 transitions. [2022-07-19 23:23:03,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-19 23:23:03,154 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:23:03,154 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] [2022-07-19 23:23:03,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-19 23:23:03,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:23:03,375 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:23:03,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:23:03,376 INFO L85 PathProgramCache]: Analyzing trace with hash -683062343, now seen corresponding path program 1 times [2022-07-19 23:23:03,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:23:03,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2067552622] [2022-07-19 23:23:03,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:23:03,379 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:23:03,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:23:03,380 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) [2022-07-19 23:23:03,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process