./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 6c24879c 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-?-6c24879 [2022-07-12 12:17:43,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:17:43,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:17:43,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:17:43,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:17:43,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:17:43,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:17:43,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:17:43,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:17:43,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:17:43,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:17:43,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:17:43,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:17:43,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:17:43,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:17:43,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:17:43,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:17:43,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:17:43,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:17:43,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:17:43,184 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:17:43,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:17:43,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:17:43,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:17:43,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:17:43,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:17:43,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:17:43,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:17:43,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:17:43,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:17:43,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:17:43,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:17:43,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:17:43,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:17:43,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:17:43,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:17:43,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:17:43,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:17:43,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:17:43,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:17:43,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:17:43,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:17:43,217 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 12:17:43,245 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:17:43,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:17:43,246 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:17:43,246 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:17:43,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:17:43,247 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:17:43,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:17:43,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:17:43,253 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:17:43,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:17:43,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 12:17:43,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:17:43,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:17:43,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:17:43,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:17:43,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:17:43,254 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:17:43,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:17:43,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:17:43,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:17:43,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:17:43,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:17:43,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:17:43,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:17:43,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:17:43,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 12:17:43,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 12:17:43,257 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:17:43,257 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:17:43,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:17:43,257 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2022-07-12 12:17:43,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:17:43,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:17:43,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:17:43,716 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:17:43,720 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:17:43,723 INFO L432 ainManager$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 [2022-07-12 12:17:43,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f732b2561/d1feb9b3ca644b25924bc51d717ed328/FLAG2eb5d3fe5 [2022-07-12 12:17:44,988 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:17:44,989 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 [2022-07-12 12:17:45,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f732b2561/d1feb9b3ca644b25924bc51d717ed328/FLAG2eb5d3fe5 [2022-07-12 12:17:45,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f732b2561/d1feb9b3ca644b25924bc51d717ed328 [2022-07-12 12:17:45,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:17:45,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:17:45,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:17:45,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:17:45,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:17:45,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:17:45" (1/1) ... [2022-07-12 12:17:45,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19862aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:45, skipping insertion in model container [2022-07-12 12:17:45,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:17:45" (1/1) ... [2022-07-12 12:17:45,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:17:45,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:17:50,421 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] [2022-07-12 12:17:50,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:17:50,650 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:17:51,138 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] [2022-07-12 12:17:51,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:17:51,327 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:17:51,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:51 WrapperNode [2022-07-12 12:17:51,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:17:51,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:17:51,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:17:51,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:17:51,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:51" (1/1) ... [2022-07-12 12:17:51,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:51" (1/1) ... [2022-07-12 12:17:51,820 INFO L137 Inliner]: procedures = 399, calls = 3514, calls flagged for inlining = 185, calls inlined = 158, statements flattened = 7309 [2022-07-12 12:17:51,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:17:51,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:17:51,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:17:51,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:17:51,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:51" (1/1) ... [2022-07-12 12:17:51,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:51" (1/1) ... [2022-07-12 12:17:51,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:51" (1/1) ... [2022-07-12 12:17:51,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:51" (1/1) ... [2022-07-12 12:17:52,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:51" (1/1) ... [2022-07-12 12:17:52,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:51" (1/1) ... [2022-07-12 12:17:52,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:51" (1/1) ... [2022-07-12 12:17:52,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:17:52,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:17:52,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:17:52,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:17:52,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:51" (1/1) ... [2022-07-12 12:17:52,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:17:52,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:17:52,505 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) [2022-07-12 12:17:52,579 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 [2022-07-12 12:17:52,610 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-07-12 12:17:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-07-12 12:17:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-07-12 12:17:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-07-12 12:17:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-12 12:17:52,615 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-12 12:17:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 12:17:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 12:17:52,616 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-12 12:17:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-12 12:17:52,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:17:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:17:52,616 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-12 12:17:52,617 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-12 12:17:52,617 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-12 12:17:52,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-12 12:17:52,617 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 12:17:52,617 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 12:17:52,617 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-12 12:17:52,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-12 12:17:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 12:17:52,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 12:17:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2022-07-12 12:17:52,618 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2022-07-12 12:17:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-07-12 12:17:52,618 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-07-12 12:17:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-12 12:17:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-12 12:17:52,619 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-12 12:17:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-07-12 12:17:52,619 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-07-12 12:17:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-07-12 12:17:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-07-12 12:17:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2022-07-12 12:17:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2022-07-12 12:17:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-07-12 12:17:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-07-12 12:17:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 12:17:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 12:17:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:17:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-12 12:17:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-12 12:17:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 12:17:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 12:17:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-07-12 12:17:52,622 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-07-12 12:17:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-07-12 12:17:52,622 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-07-12 12:17:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-07-12 12:17:52,622 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-07-12 12:17:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 12:17:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 12:17:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-12 12:17:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-12 12:17:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 12:17:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 12:17:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 12:17:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-07-12 12:17:52,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-07-12 12:17:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 12:17:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-07-12 12:17:52,624 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-07-12 12:17:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 12:17:52,625 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 12:17:52,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 12:17:52,625 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-07-12 12:17:52,625 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-07-12 12:17:52,625 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-07-12 12:17:52,625 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-07-12 12:17:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 12:17:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 12:17:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-07-12 12:17:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-07-12 12:17:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-12 12:17:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-12 12:17:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 12:17:52,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 12:17:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 12:17:52,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 12:17:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2022-07-12 12:17:52,627 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2022-07-12 12:17:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-12 12:17:52,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-12 12:17:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-07-12 12:17:52,628 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-07-12 12:17:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-12 12:17:52,628 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-12 12:17:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-07-12 12:17:52,628 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-07-12 12:17:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:17:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-12 12:17:52,629 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-12 12:17:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:17:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-12 12:17:52,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-12 12:17:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 12:17:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 12:17:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:17:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 12:17:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-07-12 12:17:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-07-12 12:17:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-07-12 12:17:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-07-12 12:17:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-07-12 12:17:52,635 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-07-12 12:17:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-12 12:17:52,635 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-12 12:17:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-07-12 12:17:52,636 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-07-12 12:17:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 12:17:52,636 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 12:17:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-12 12:17:52,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-12 12:17:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-07-12 12:17:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-07-12 12:17:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:17:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:17:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-12 12:17:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-12 12:17:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-12 12:17:52,638 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-12 12:17:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 12:17:52,638 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 12:17:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-07-12 12:17:52,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-07-12 12:17:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2022-07-12 12:17:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2022-07-12 12:17:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 12:17:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 12:17:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-07-12 12:17:52,644 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-07-12 12:17:52,644 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2022-07-12 12:17:52,644 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2022-07-12 12:17:52,644 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-12 12:17:52,644 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-12 12:17:52,644 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 12:17:52,645 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 12:17:52,645 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-12 12:17:52,645 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-12 12:17:52,645 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-07-12 12:17:52,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-07-12 12:17:52,645 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-07-12 12:17:52,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-07-12 12:17:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-07-12 12:17:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-07-12 12:17:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-07-12 12:17:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-07-12 12:17:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-07-12 12:17:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-07-12 12:17:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-07-12 12:17:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-07-12 12:17:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-07-12 12:17:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-07-12 12:17:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 12:17:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 12:17:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-12 12:17:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-12 12:17:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-07-12 12:17:52,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-07-12 12:17:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:17:52,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:17:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 12:17:52,648 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 12:17:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-12 12:17:52,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-12 12:17:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-07-12 12:17:52,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-07-12 12:17:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 12:17:52,649 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 12:17:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-07-12 12:17:52,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-07-12 12:17:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 12:17:52,655 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 12:17:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-12 12:17:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-12 12:17:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-12 12:17:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-12 12:17:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-12 12:17:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-12 12:17:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-07-12 12:17:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-07-12 12:17:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-12 12:17:52,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-12 12:17:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-07-12 12:17:52,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-07-12 12:17:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 12:17:52,657 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 12:17:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-12 12:17:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-12 12:17:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:17:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-07-12 12:17:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-07-12 12:17:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:17:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-07-12 12:17:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-07-12 12:17:52,659 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-07-12 12:17:52,659 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-07-12 12:17:52,663 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-07-12 12:17:52,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-07-12 12:17:52,663 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-07-12 12:17:52,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-07-12 12:17:52,664 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-07-12 12:17:52,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-07-12 12:17:52,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:17:52,664 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-12 12:17:52,664 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-12 12:17:52,664 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 12:17:52,665 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 12:17:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-12 12:17:52,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-12 12:17:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-07-12 12:17:52,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-07-12 12:17:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-12 12:17:52,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-12 12:17:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-07-12 12:17:52,666 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-07-12 12:17:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-07-12 12:17:52,666 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-07-12 12:17:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-07-12 12:17:52,666 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-07-12 12:17:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-12 12:17:52,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-12 12:17:52,667 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2022-07-12 12:17:52,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2022-07-12 12:17:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 12:17:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 12:17:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-07-12 12:17:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-07-12 12:17:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-12 12:17:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-12 12:17:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-12 12:17:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-12 12:17:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-07-12 12:17:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-07-12 12:17:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-07-12 12:17:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-07-12 12:17:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-07-12 12:17:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-07-12 12:17:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-07-12 12:17:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-07-12 12:17:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 12:17:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 12:17:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-12 12:17:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-12 12:17:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 12:17:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:17:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:17:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-07-12 12:17:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-07-12 12:17:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-12 12:17:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-12 12:17:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-07-12 12:17:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-07-12 12:17:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-07-12 12:17:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-07-12 12:17:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 12:17:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 12:17:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-12 12:17:52,677 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-12 12:17:52,683 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-07-12 12:17:52,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-07-12 12:17:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-12 12:17:52,684 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-12 12:17:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-12 12:17:52,684 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-12 12:17:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-07-12 12:17:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-07-12 12:17:52,685 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-07-12 12:17:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-07-12 12:17:52,685 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-12 12:17:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-12 12:17:52,685 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-12 12:17:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-12 12:17:52,686 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-12 12:17:52,686 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-12 12:17:52,686 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-07-12 12:17:52,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-07-12 12:17:52,686 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-07-12 12:17:52,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-07-12 12:17:52,686 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 12:17:52,687 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 12:17:52,687 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-07-12 12:17:52,687 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-07-12 12:17:52,687 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-12 12:17:52,687 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-12 12:17:52,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 12:17:52,687 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-07-12 12:17:52,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-07-12 12:17:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-07-12 12:17:52,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-07-12 12:17:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-07-12 12:17:52,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-07-12 12:17:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-12 12:17:52,688 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-12 12:17:52,689 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-12 12:17:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-12 12:17:53,795 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:17:53,798 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:18:10,757 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:18:10,789 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:18:10,790 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 12:18:10,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:18:10 BoogieIcfgContainer [2022-07-12 12:18:10,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:18:10,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:18:10,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:18:10,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:18:10,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:17:45" (1/3) ... [2022-07-12 12:18:10,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3150ecf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:18:10, skipping insertion in model container [2022-07-12 12:18:10,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:51" (2/3) ... [2022-07-12 12:18:10,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3150ecf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:18:10, skipping insertion in model container [2022-07-12 12:18:10,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:18:10" (3/3) ... [2022-07-12 12:18:10,807 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2022-07-12 12:18:10,826 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:18:10,827 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:18:11,062 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:18:11,081 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@68c07d25, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@59aa131b [2022-07-12 12:18:11,082 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:18:11,121 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) [2022-07-12 12:18:11,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-12 12:18:11,128 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:18:11,128 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:18:11,129 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:18:11,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:18:11,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1788196537, now seen corresponding path program 1 times [2022-07-12 12:18:11,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:18:11,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080540890] [2022-07-12 12:18:11,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:18:11,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:18:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:18:11,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:18:11,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:18:11,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080540890] [2022-07-12 12:18:11,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080540890] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:18:11,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:18:11,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:18:11,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600978288] [2022-07-12 12:18:11,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:18:11,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:18:11,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:18:11,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:18:11,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:18:11,998 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) [2022-07-12 12:18:12,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:18:12,520 INFO L93 Difference]: Finished difference Result 8077 states and 12365 transitions. [2022-07-12 12:18:12,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:18:12,539 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 [2022-07-12 12:18:12,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:18:12,607 INFO L225 Difference]: With dead ends: 8077 [2022-07-12 12:18:12,608 INFO L226 Difference]: Without dead ends: 5324 [2022-07-12 12:18:12,646 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 [2022-07-12 12:18:12,651 INFO L413 NwaCegarLoop]: 4834 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, 8824 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:18:12,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3913 Valid, 8824 Invalid, 18 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 12:18:12,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5324 states. [2022-07-12 12:18:13,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5324 to 5321. [2022-07-12 12:18:13,081 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) [2022-07-12 12:18:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5321 states to 5321 states and 7861 transitions. [2022-07-12 12:18:13,201 INFO L78 Accepts]: Start accepts. Automaton has 5321 states and 7861 transitions. Word has length 9 [2022-07-12 12:18:13,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:18:13,202 INFO L495 AbstractCegarLoop]: Abstraction has 5321 states and 7861 transitions. [2022-07-12 12:18:13,202 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) [2022-07-12 12:18:13,202 INFO L276 IsEmpty]: Start isEmpty. Operand 5321 states and 7861 transitions. [2022-07-12 12:18:13,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-12 12:18:13,208 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:18:13,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:18:13,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 12:18:13,209 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:18:13,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:18:13,210 INFO L85 PathProgramCache]: Analyzing trace with hash 399282008, now seen corresponding path program 1 times [2022-07-12 12:18:13,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:18:13,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222329326] [2022-07-12 12:18:13,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:18:13,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:18:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:18:13,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:18:13,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:18:13,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222329326] [2022-07-12 12:18:13,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222329326] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:18:13,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:18:13,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:18:13,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35862872] [2022-07-12 12:18:13,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:18:13,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:18:13,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:18:13,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:18:13,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:18:13,573 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) [2022-07-12 12:18:13,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:18:13,859 INFO L93 Difference]: Finished difference Result 5323 states and 7862 transitions. [2022-07-12 12:18:13,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:18:13,872 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 [2022-07-12 12:18:13,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:18:13,941 INFO L225 Difference]: With dead ends: 5323 [2022-07-12 12:18:13,955 INFO L226 Difference]: Without dead ends: 5320 [2022-07-12 12:18:13,965 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 [2022-07-12 12:18:13,984 INFO L413 NwaCegarLoop]: 3898 mSDtfsCounter, 3892 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:18:13,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3892 Valid, 3898 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 12:18:13,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5320 states. [2022-07-12 12:18:14,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5320 to 5320. [2022-07-12 12:18:14,445 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) [2022-07-12 12:18:14,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5320 states to 5320 states and 7859 transitions. [2022-07-12 12:18:14,505 INFO L78 Accepts]: Start accepts. Automaton has 5320 states and 7859 transitions. Word has length 10 [2022-07-12 12:18:14,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:18:14,506 INFO L495 AbstractCegarLoop]: Abstraction has 5320 states and 7859 transitions. [2022-07-12 12:18:14,507 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) [2022-07-12 12:18:14,507 INFO L276 IsEmpty]: Start isEmpty. Operand 5320 states and 7859 transitions. [2022-07-12 12:18:14,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-12 12:18:14,508 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:18:14,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:18:14,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 12:18:14,509 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:18:14,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:18:14,509 INFO L85 PathProgramCache]: Analyzing trace with hash -508354966, now seen corresponding path program 1 times [2022-07-12 12:18:14,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:18:14,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092798449] [2022-07-12 12:18:14,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:18:14,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:18:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:18:14,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:18:14,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:18:14,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092798449] [2022-07-12 12:18:14,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092798449] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:18:14,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:18:14,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:18:14,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379031631] [2022-07-12 12:18:14,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:18:14,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:18:14,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:18:14,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:18:14,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:18:14,728 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) [2022-07-12 12:18:14,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:18:14,946 INFO L93 Difference]: Finished difference Result 5322 states and 7860 transitions. [2022-07-12 12:18:14,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:18:14,951 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 [2022-07-12 12:18:14,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:18:14,986 INFO L225 Difference]: With dead ends: 5322 [2022-07-12 12:18:14,987 INFO L226 Difference]: Without dead ends: 5315 [2022-07-12 12:18:15,009 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 [2022-07-12 12:18:15,014 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 [2022-07-12 12:18:15,016 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] [2022-07-12 12:18:15,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5315 states. [2022-07-12 12:18:15,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5315 to 5315. [2022-07-12 12:18:15,361 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) [2022-07-12 12:18:15,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5315 states to 5315 states and 7851 transitions. [2022-07-12 12:18:15,391 INFO L78 Accepts]: Start accepts. Automaton has 5315 states and 7851 transitions. Word has length 11 [2022-07-12 12:18:15,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:18:15,392 INFO L495 AbstractCegarLoop]: Abstraction has 5315 states and 7851 transitions. [2022-07-12 12:18:15,392 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) [2022-07-12 12:18:15,393 INFO L276 IsEmpty]: Start isEmpty. Operand 5315 states and 7851 transitions. [2022-07-12 12:18:15,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-12 12:18:15,404 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:18:15,404 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] [2022-07-12 12:18:15,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 12:18:15,404 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:18:15,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:18:15,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1992860220, now seen corresponding path program 1 times [2022-07-12 12:18:15,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:18:15,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882673104] [2022-07-12 12:18:15,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:18:15,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:18:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:18:15,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 12:18:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:18:15,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:18:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:18:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:18:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:18:15,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:18:15,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:18:15,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882673104] [2022-07-12 12:18:15,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882673104] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:18:15,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:18:15,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:18:15,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67393809] [2022-07-12 12:18:15,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:18:15,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:18:15,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:18:15,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:18:15,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:18:15,656 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) [2022-07-12 12:18:19,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:18:22,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:18:32,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:18:32,007 INFO L93 Difference]: Finished difference Result 11416 states and 17606 transitions. [2022-07-12 12:18:32,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 12:18:32,008 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 [2022-07-12 12:18:32,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:18:32,094 INFO L225 Difference]: With dead ends: 11416 [2022-07-12 12:18:32,094 INFO L226 Difference]: Without dead ends: 6104 [2022-07-12 12:18:32,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:18:32,166 INFO L413 NwaCegarLoop]: 3712 mSDtfsCounter, 899 mSDsluCounter, 3874 mSDsCounter, 0 mSdLazyCounter, 3250 mSolverCounterSat, 776 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 982 SdHoareTripleChecker+Valid, 7586 SdHoareTripleChecker+Invalid, 4028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 776 IncrementalHoareTripleChecker+Valid, 3250 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:18:32,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [982 Valid, 7586 Invalid, 4028 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [776 Valid, 3250 Invalid, 2 Unknown, 0 Unchecked, 15.5s Time] [2022-07-12 12:18:32,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6104 states. [2022-07-12 12:18:32,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6104 to 5803. [2022-07-12 12:18:32,757 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) [2022-07-12 12:18:32,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5803 states to 5803 states and 8777 transitions. [2022-07-12 12:18:32,798 INFO L78 Accepts]: Start accepts. Automaton has 5803 states and 8777 transitions. Word has length 55 [2022-07-12 12:18:32,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:18:32,799 INFO L495 AbstractCegarLoop]: Abstraction has 5803 states and 8777 transitions. [2022-07-12 12:18:32,799 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) [2022-07-12 12:18:32,799 INFO L276 IsEmpty]: Start isEmpty. Operand 5803 states and 8777 transitions. [2022-07-12 12:18:32,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-12 12:18:32,808 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:18:32,808 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] [2022-07-12 12:18:32,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 12:18:32,809 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:18:32,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:18:32,809 INFO L85 PathProgramCache]: Analyzing trace with hash -680247914, now seen corresponding path program 1 times [2022-07-12 12:18:32,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:18:32,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845530811] [2022-07-12 12:18:32,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:18:32,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:18:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 12:18:33,243 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 12:18:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 12:18:33,796 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-12 12:18:33,797 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 12:18:33,798 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 12:18:33,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 12:18:33,803 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-12 12:18:33,805 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 12:18:33,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 12:18:33 BoogieIcfgContainer [2022-07-12 12:18:33,962 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 12:18:33,962 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 12:18:33,963 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 12:18:33,963 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 12:18:33,963 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:18:10" (3/4) ... [2022-07-12 12:18:33,966 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-12 12:18:33,966 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 12:18:33,967 INFO L158 Benchmark]: Toolchain (without parser) took 48853.86ms. Allocated memory was 98.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 66.1MB in the beginning and 1.0GB in the end (delta: -968.3MB). Peak memory consumption was 166.1MB. Max. memory is 16.1GB. [2022-07-12 12:18:33,967 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory was 52.9MB in the beginning and 52.9MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 12:18:33,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6217.78ms. Allocated memory was 98.6MB in the beginning and 203.4MB in the end (delta: 104.9MB). Free memory was 66.0MB in the beginning and 111.5MB in the end (delta: -45.5MB). Peak memory consumption was 105.5MB. Max. memory is 16.1GB. [2022-07-12 12:18:33,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 488.30ms. Allocated memory is still 203.4MB. Free memory was 111.5MB in the beginning and 98.0MB in the end (delta: 13.5MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-07-12 12:18:33,970 INFO L158 Benchmark]: Boogie Preprocessor took 546.32ms. Allocated memory was 203.4MB in the beginning and 341.8MB in the end (delta: 138.4MB). Free memory was 98.0MB in the beginning and 206.9MB in the end (delta: -108.9MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-07-12 12:18:33,970 INFO L158 Benchmark]: RCFGBuilder took 18425.39ms. Allocated memory was 341.8MB in the beginning and 813.7MB in the end (delta: 471.9MB). Free memory was 206.9MB in the beginning and 633.7MB in the end (delta: -426.9MB). Peak memory consumption was 439.4MB. Max. memory is 16.1GB. [2022-07-12 12:18:33,972 INFO L158 Benchmark]: TraceAbstraction took 23163.27ms. Allocated memory was 813.7MB in the beginning and 1.2GB in the end (delta: 419.4MB). Free memory was 633.7MB in the beginning and 1.0GB in the end (delta: -400.7MB). Peak memory consumption was 533.6MB. Max. memory is 16.1GB. [2022-07-12 12:18:33,972 INFO L158 Benchmark]: Witness Printer took 3.61ms. Allocated memory is still 1.2GB. Free memory is still 1.0GB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 12:18:33,974 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory was 52.9MB in the beginning and 52.9MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6217.78ms. Allocated memory was 98.6MB in the beginning and 203.4MB in the end (delta: 104.9MB). Free memory was 66.0MB in the beginning and 111.5MB in the end (delta: -45.5MB). Peak memory consumption was 105.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 488.30ms. Allocated memory is still 203.4MB. Free memory was 111.5MB in the beginning and 98.0MB in the end (delta: 13.5MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 546.32ms. Allocated memory was 203.4MB in the beginning and 341.8MB in the end (delta: 138.4MB). Free memory was 98.0MB in the beginning and 206.9MB in the end (delta: -108.9MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * RCFGBuilder took 18425.39ms. Allocated memory was 341.8MB in the beginning and 813.7MB in the end (delta: 471.9MB). Free memory was 206.9MB in the beginning and 633.7MB in the end (delta: -426.9MB). Peak memory consumption was 439.4MB. Max. memory is 16.1GB. * TraceAbstraction took 23163.27ms. Allocated memory was 813.7MB in the beginning and 1.2GB in the end (delta: 419.4MB). Free memory was 633.7MB in the beginning and 1.0GB in the end (delta: -400.7MB). Peak memory consumption was 533.6MB. Max. memory is 16.1GB. * Witness Printer took 3.61ms. Allocated memory is still 1.2GB. Free memory is still 1.0GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 12414, overapproximation of bitwiseAnd at line 11962. Possible FailurePath: [L7468] static bool ap_mode_default ; [L7469-L7483] static struct ieee80211_channel const mwl8k_channels_24[14U] = { {0, 2412U, 1U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2417U, 2U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2422U, 3U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2427U, 4U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2432U, 5U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2437U, 6U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2442U, 7U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2447U, 8U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2452U, 9U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2457U, 10U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2462U, 11U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2467U, 12U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2472U, 13U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2484U, 14U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}}; [L7484-L7497] static struct ieee80211_rate const mwl8k_rates_24[13U] = { {0U, 10U, 2U, (unsigned short)0}, {0U, 20U, 4U, (unsigned short)0}, {0U, 55U, 11U, (unsigned short)0}, {0U, 110U, 22U, (unsigned short)0}, {0U, 220U, 44U, (unsigned short)0}, {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}}; [L7498-L7501] static struct ieee80211_channel const mwl8k_channels_50[4U] = { {1, 5180U, 36U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5200U, 40U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5220U, 44U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5240U, 48U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}}; [L7502-L7510] static struct ieee80211_rate const mwl8k_rates_50[8U] = { {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}}; [L8149] static struct rxd_ops rxd_ap_ops = {32, & mwl8k_rxd_ap_init, & mwl8k_rxd_ap_refill, & mwl8k_rxd_ap_process}; [L8226] static struct rxd_ops rxd_sta_ops = {40, & mwl8k_rxd_sta_init, & mwl8k_rxd_sta_refill, & mwl8k_rxd_sta_process}; [L12378-L12384] static struct ieee80211_ops const mwl8k_ops = {& mwl8k_tx, & mwl8k_start, & mwl8k_stop, 0, 0, 0, & mwl8k_add_interface, 0, & mwl8k_remove_interface, & mwl8k_config, & mwl8k_bss_info_changed, 0, 0, & mwl8k_prepare_multicast, & mwl8k_configure_filter, 0, 0, & mwl8k_set_key, 0, 0, 0, 0, 0, 0, 0, 0, 0, & mwl8k_get_stats, 0, 0, & mwl8k_set_rts_threshold, & mwl8k_sta_add, & mwl8k_sta_remove, 0, 0, 0, 0, 0, & mwl8k_conf_tx, 0, 0, 0, 0, & mwl8k_ampdu_action, & mwl8k_get_survey, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12414-L12421] static struct mwl8k_device_info mwl8k_info_tbl[4U] = { {(char *)"88w8363", (char *)"mwl8k/helper_8363.fw", (char *)"mwl8k/fmimage_8363.fw", 0, 0, 0U}, {(char *)"88w8687", (char *)"mwl8k/helper_8687.fw", (char *)"mwl8k/fmimage_8687.fw", 0, 0, 0U}, {(char *)"88w8366", (char *)"mwl8k/helper_8366.fw", (char *)"mwl8k/fmimage_8366.fw", (char *)"mwl8k/fmimage_8366_ap-3.fw", & rxd_ap_ops, 3U}, {(char *)"88w8764", 0, 0, (char *)"mwl8k/fmimage_8764_ap-1.fw", & rxd_ap_ops, 1U}}; [L12422] struct pci_device_id const __mod_pci_device_table ; [L12804-L12805] static struct ieee80211_iface_limit const ap_if_limits[2U] = { {8U, 8U}, {1U, 4U}}; [L12806-L12807] static struct ieee80211_iface_combination const ap_if_comb = {(struct ieee80211_iface_limit const *)(& ap_if_limits), 1U, 8U, 2U, (_Bool)0, (unsigned char)0}; [L13105] int LDV_IN_INTERRUPT ; [L13408] static int ldv_mutex_fw_mutex_of_mwl8k_priv ; [L13515] static int ldv_mutex_lock ; [L13622] static int ldv_mutex_mutex_of_device ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=0, ldv_mutex_fw_mutex_of_mwl8k_priv=0, ldv_mutex_lock=0, ldv_mutex_mutex_of_device=0, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L13108] void *var_mwl8k_rxd_ap_init_13_p0 ; [L13109] dma_addr_t var_mwl8k_rxd_ap_init_13_p1 ; [L13110] void *var_mwl8k_rxd_ap_refill_14_p0 ; [L13111] dma_addr_t var_mwl8k_rxd_ap_refill_14_p1 ; [L13112] int var_mwl8k_rxd_ap_refill_14_p2 ; [L13113] void *var_mwl8k_rxd_ap_process_15_p0 ; [L13114] struct ieee80211_rx_status *var_group1 ; [L13115] __le16 *var_mwl8k_rxd_ap_process_15_p2 ; [L13116] s8 *var_mwl8k_rxd_ap_process_15_p3 ; [L13117] void *var_mwl8k_rxd_sta_init_16_p0 ; [L13118] dma_addr_t var_mwl8k_rxd_sta_init_16_p1 ; [L13119] void *var_mwl8k_rxd_sta_refill_17_p0 ; [L13120] dma_addr_t var_mwl8k_rxd_sta_refill_17_p1 ; [L13121] int var_mwl8k_rxd_sta_refill_17_p2 ; [L13122] void *var_mwl8k_rxd_sta_process_18_p0 ; [L13123] __le16 *var_mwl8k_rxd_sta_process_18_p2 ; [L13124] s8 *var_mwl8k_rxd_sta_process_18_p3 ; [L13125] struct ieee80211_hw *var_group2 ; [L13126] struct ieee80211_tx_control *var_group3 ; [L13127] struct sk_buff *var_mwl8k_tx_100_p2 ; [L13128] struct ieee80211_vif *var_group4 ; [L13129] u32 var_mwl8k_config_107_p1 ; [L13130] struct ieee80211_bss_conf *var_mwl8k_bss_info_changed_110_p2 ; [L13131] u32 var_mwl8k_bss_info_changed_110_p3 ; [L13132] struct netdev_hw_addr_list *var_group5 ; [L13133] unsigned int var_mwl8k_configure_filter_114_p1 ; [L13134] unsigned int *var_mwl8k_configure_filter_114_p2 ; [L13135] u64 var_mwl8k_configure_filter_114_p3 ; [L13136] enum set_key_cmd var_mwl8k_set_key_94_p1 ; [L13137] struct ieee80211_vif *var_mwl8k_set_key_94_p2 ; [L13138] struct ieee80211_sta *var_mwl8k_set_key_94_p3 ; [L13139] struct ieee80211_key_conf *var_mwl8k_set_key_94_p4 ; [L13140] u32 var_mwl8k_set_rts_threshold_115_p1 ; [L13141] struct ieee80211_sta *var_mwl8k_sta_add_117_p2 ; [L13142] struct ieee80211_sta *var_mwl8k_sta_remove_116_p2 ; [L13143] u16 var_mwl8k_conf_tx_118_p2 ; [L13144] struct ieee80211_tx_queue_params const *var_mwl8k_conf_tx_118_p3 ; [L13145] struct ieee80211_low_level_stats *var_group6 ; [L13146] int var_mwl8k_get_survey_120_p1 ; [L13147] struct survey_info *var_mwl8k_get_survey_120_p2 ; [L13148] enum ieee80211_ampdu_mlme_action var_mwl8k_ampdu_action_121_p2 ; [L13149] struct ieee80211_sta *var_mwl8k_ampdu_action_121_p3 ; [L13150] u16 var_mwl8k_ampdu_action_121_p4 ; [L13151] u16 *var_mwl8k_ampdu_action_121_p5 ; [L13152] u8 var_mwl8k_ampdu_action_121_p6 ; [L13153] struct pci_dev *var_group7 ; [L13154] struct pci_device_id const *var_mwl8k_probe_130_p1 ; [L13155] int res_mwl8k_probe_130 ; [L13156] int var_mwl8k_interrupt_97_p0 ; [L13157] void *var_mwl8k_interrupt_97_p1 ; [L13158] int ldv_s_mwl8k_driver_pci_driver ; [L13159] int tmp ; [L13160] int tmp___0 ; [L13162] ldv_s_mwl8k_driver_pci_driver = 0 [L13163] LDV_IN_INTERRUPT = 1 [L13164] CALL ldv_initialize() [L13732] ldv_mutex_fw_mutex_of_mwl8k_priv = 1 [L13733] ldv_mutex_lock = 1 [L13734] ldv_mutex_mutex_of_device = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L13164] RET ldv_initialize() [L13302] tmp___0 = __VERIFIER_nondet_int() [L13303] COND TRUE tmp___0 != 0 || ldv_s_mwl8k_driver_pci_driver != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp___0=1] [L13167] tmp = __VERIFIER_nondet_int() [L13169] case 0: [L13173] case 1: [L13178] case 2: [L13183] case 3: [L13187] case 4: [L13192] case 5: [L13197] case 6: [L13201] case 7: [L13205] case 8: [L13209] case 9: [L13213] case 10: [L13217] case 11: [L13221] case 12: VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=12, tmp___0=1] [L13222] FCALL ldv_handler_precall() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=12, tmp___0=1] [L13223-L13224] CALL mwl8k_bss_info_changed(var_group2, var_group4, var_mwl8k_bss_info_changed_110_p2, var_mwl8k_bss_info_changed_110_p3) [L11975] EXPR vif->type VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, vif={5242:5251}, vif={5242:5251}, vif->type=-4294967293] [L11975] COND FALSE !((unsigned int )vif->type == 2U) [L11979] EXPR vif->type VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, vif={5242:5251}, vif={5242:5251}, vif->type=-4294967293] [L11979] COND TRUE (unsigned int )vif->type == 3U [L11980] CALL mwl8k_bss_info_changed_ap(hw, vif, info, changed) [L11920] int rc ; [L11921] int tmp ; [L11922] int idx ; [L11923] int rate ; [L11924] struct sk_buff *skb ; VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, vif={5242:5251}, vif={5242:5251}] [L11926] CALL, EXPR mwl8k_fw_lock(hw) VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L9337] struct mwl8k_priv *priv ; [L9338] int rc ; [L9339] struct task_struct *tmp ; [L9341] EXPR hw->priv [L9341] priv = (struct mwl8k_priv *)hw->priv [L9342] CALL, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L6467] struct task_struct *pfo_ret__ ; [L6470] case 1UL: [L6473] case 2UL: [L6476] case 4UL: [L6479] case 8UL: VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L6486] return (pfo_ret__); VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, \result={0:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, pfo_ret__={0:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L9342] RET, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, get_current()={0:0}, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, priv={5249:-1526}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L9342] tmp = get_current() [L9343] EXPR priv->fw_mutex_owner VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, priv={5249:-1526}, priv->fw_mutex_owner={0:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp={0:0}] [L9343] COND FALSE !((unsigned long )priv->fw_mutex_owner != (unsigned long )tmp) [L9359] EXPR priv->fw_mutex_depth [L9359] priv->fw_mutex_depth = priv->fw_mutex_depth + 1 [L9360] return (0); VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, \result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, priv={5249:-1526}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp={0:0}] [L11926] RET, EXPR mwl8k_fw_lock(hw) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_fw_lock(hw)=0, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, vif={5242:5251}, vif={5242:5251}] [L11926] tmp = mwl8k_fw_lock(hw) [L11927] COND FALSE !(tmp != 0) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=0, vif={5242:5251}, vif={5242:5251}] [L11931] COND FALSE !((changed & 4U) != 0U) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=0, vif={5242:5251}, vif={5242:5251}] [L11939] COND FALSE !((changed & 32U) != 0U) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=0, vif={5242:5251}, vif={5242:5251}] [L11953] COND FALSE !((changed & 320U) != 0U) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=0, vif={5242:5251}, vif={5242:5251}] [L11962] COND FALSE !((changed & 512U) != 0U) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=0, vif={5242:5251}, vif={5242:5251}] [L11967] CALL mwl8k_fw_unlock(hw) VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L9365] struct mwl8k_priv *priv ; [L9367] EXPR hw->priv [L9367] priv = (struct mwl8k_priv *)hw->priv [L9368] EXPR priv->fw_mutex_depth [L9368] priv->fw_mutex_depth = priv->fw_mutex_depth - 1 [L9369] EXPR priv->fw_mutex_depth VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, priv={5249:-1526}, priv->fw_mutex_depth=0, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L9369] COND TRUE priv->fw_mutex_depth == 0 [L9370] EXPR priv->hw_restart_in_progress VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, priv={5249:-1526}, priv->hw_restart_in_progress=-255, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L9370] COND FALSE !(! priv->hw_restart_in_progress) [L9374] priv->fw_mutex_owner = 0 [L9375] CALL ldv_mutex_unlock_8(& priv->fw_mutex) [L13376] CALL ldv_mutex_unlock_fw_mutex_of_mwl8k_priv(ldv_func_arg1) VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, lock={5249:0}, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L13507] COND FALSE !(ldv_mutex_fw_mutex_of_mwl8k_priv == 2) VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, lock={5249:0}, lock={5249:0}, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L13509] CALL ldv_error() VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L13398] reach_error() VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 140 procedures, 2726 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 17.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 12676 SdHoareTripleChecker+Valid, 15.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12593 mSDsluCounter, 24205 SdHoareTripleChecker+Invalid, 14.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7864 mSDsCounter, 783 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3264 IncrementalHoareTripleChecker+Invalid, 4049 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 783 mSolverCounterUnsat, 16341 mSDtfsCounter, 3264 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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: 2.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 304 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.7s 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 [2022-07-12 12:18:34,046 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-?-6c24879 [2022-07-12 12:18:36,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:18:36,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:18:37,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:18:37,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:18:37,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:18:37,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:18:37,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:18:37,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:18:37,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:18:37,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:18:37,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:18:37,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:18:37,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:18:37,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:18:37,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:18:37,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:18:37,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:18:37,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:18:37,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:18:37,039 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:18:37,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:18:37,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:18:37,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:18:37,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:18:37,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:18:37,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:18:37,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:18:37,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:18:37,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:18:37,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:18:37,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:18:37,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:18:37,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:18:37,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:18:37,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:18:37,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:18:37,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:18:37,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:18:37,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:18:37,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:18:37,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:18:37,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 12:18:37,147 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:18:37,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:18:37,148 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:18:37,148 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:18:37,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:18:37,149 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:18:37,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:18:37,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:18:37,150 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:18:37,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:18:37,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:18:37,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:18:37,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:18:37,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:18:37,158 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 12:18:37,159 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 12:18:37,159 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 12:18:37,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:18:37,162 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:18:37,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:18:37,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:18:37,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:18:37,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:18:37,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:18:37,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:18:37,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:18:37,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:18:37,164 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 12:18:37,164 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 12:18:37,164 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:18:37,165 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:18:37,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:18:37,165 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 12:18:37,165 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2022-07-12 12:18:37,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:18:37,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:18:37,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:18:37,675 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:18:37,676 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:18:37,678 INFO L432 ainManager$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 [2022-07-12 12:18:37,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78142f42f/e7ec64fa8e3f4e508ed8666de15082a3/FLAG9d7d42389 [2022-07-12 12:18:38,986 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:18:38,991 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 [2022-07-12 12:18:39,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78142f42f/e7ec64fa8e3f4e508ed8666de15082a3/FLAG9d7d42389 [2022-07-12 12:18:39,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78142f42f/e7ec64fa8e3f4e508ed8666de15082a3 [2022-07-12 12:18:39,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:18:39,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:18:39,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:18:39,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:18:39,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:18:39,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:18:39" (1/1) ... [2022-07-12 12:18:39,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30188dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:18:39, skipping insertion in model container [2022-07-12 12:18:39,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:18:39" (1/1) ... [2022-07-12 12:18:39,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:18:39,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:18:44,965 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] [2022-07-12 12:18:45,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:18:45,317 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 12:18:45,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:18:46,101 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] [2022-07-12 12:18:46,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:18:46,151 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:18:46,654 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] [2022-07-12 12:18:46,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:18:46,842 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:18:46,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:18:46 WrapperNode [2022-07-12 12:18:46,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:18:46,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:18:46,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:18:46,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:18:46,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:18:46" (1/1) ... [2022-07-12 12:18:46,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:18:46" (1/1) ... [2022-07-12 12:18:47,334 INFO L137 Inliner]: procedures = 414, calls = 3514, calls flagged for inlining = 185, calls inlined = 158, statements flattened = 6947 [2022-07-12 12:18:47,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:18:47,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:18:47,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:18:47,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:18:47,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:18:46" (1/1) ... [2022-07-12 12:18:47,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:18:46" (1/1) ... [2022-07-12 12:18:47,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:18:46" (1/1) ... [2022-07-12 12:18:47,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:18:46" (1/1) ... [2022-07-12 12:18:47,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:18:46" (1/1) ... [2022-07-12 12:18:47,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:18:46" (1/1) ... [2022-07-12 12:18:47,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:18:46" (1/1) ... [2022-07-12 12:18:48,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:18:48,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:18:48,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:18:48,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:18:48,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:18:46" (1/1) ... [2022-07-12 12:18:48,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:18:48,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:18:48,165 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) [2022-07-12 12:18:48,225 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 [2022-07-12 12:18:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-07-12 12:18:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-07-12 12:18:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-07-12 12:18:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-07-12 12:18:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-12 12:18:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-12 12:18:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 12:18:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 12:18:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-12 12:18:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-12 12:18:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:18:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:18:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-12 12:18:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-12 12:18:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-12 12:18:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-12 12:18:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 12:18:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 12:18:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-12 12:18:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-12 12:18:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 12:18:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 12:18:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2022-07-12 12:18:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2022-07-12 12:18:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-07-12 12:18:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-07-12 12:18:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-12 12:18:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-12 12:18:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-12 12:18:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-07-12 12:18:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-07-12 12:18:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-07-12 12:18:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-07-12 12:18:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2022-07-12 12:18:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2022-07-12 12:18:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-07-12 12:18:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-07-12 12:18:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 12:18:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 12:18:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:18:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 12:18:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 12:18:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 12:18:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 12:18:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-12 12:18:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-12 12:18:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 12:18:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 12:18:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-07-12 12:18:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-07-12 12:18:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-07-12 12:18:48,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-07-12 12:18:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-07-12 12:18:48,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-07-12 12:18:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 12:18:48,310 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 12:18:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-12 12:18:48,310 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-12 12:18:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 12:18:48,310 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 12:18:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-07-12 12:18:48,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-07-12 12:18:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-07-12 12:18:48,311 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-07-12 12:18:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 12:18:48,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 12:18:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-07-12 12:18:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-07-12 12:18:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-07-12 12:18:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-07-12 12:18:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 12:18:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 12:18:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-07-12 12:18:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-07-12 12:18:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-12 12:18:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-12 12:18:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 12:18:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 12:18:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 12:18:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 12:18:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2022-07-12 12:18:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2022-07-12 12:18:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-12 12:18:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-12 12:18:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-07-12 12:18:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-07-12 12:18:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-12 12:18:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-12 12:18:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-07-12 12:18:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-07-12 12:18:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:18:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-12 12:18:48,320 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-12 12:18:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:18:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-12 12:18:48,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-12 12:18:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 12:18:48,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 12:18:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:18:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 12:18:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 12:18:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 12:18:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-07-12 12:18:48,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-07-12 12:18:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 12:18:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-07-12 12:18:48,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-07-12 12:18:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-07-12 12:18:48,336 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-07-12 12:18:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-12 12:18:48,337 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-12 12:18:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-07-12 12:18:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-07-12 12:18:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 12:18:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 12:18:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-12 12:18:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-12 12:18:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-07-12 12:18:48,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-07-12 12:18:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 12:18:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:18:48,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:18:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-12 12:18:48,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-12 12:18:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-12 12:18:48,346 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-12 12:18:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 12:18:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 12:18:48,346 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 12:18:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-07-12 12:18:48,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-07-12 12:18:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 12:18:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2022-07-12 12:18:48,347 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2022-07-12 12:18:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 12:18:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 12:18:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 12:18:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 12:18:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-07-12 12:18:48,347 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-07-12 12:18:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2022-07-12 12:18:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2022-07-12 12:18:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-12 12:18:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-12 12:18:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 12:18:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 12:18:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-12 12:18:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-12 12:18:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-07-12 12:18:48,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-07-12 12:18:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-07-12 12:18:48,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-07-12 12:18:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-07-12 12:18:48,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-07-12 12:18:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-07-12 12:18:48,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-07-12 12:18:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-07-12 12:18:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-07-12 12:18:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-07-12 12:18:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-07-12 12:18:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-07-12 12:18:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-07-12 12:18:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 12:18:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 12:18:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-12 12:18:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-12 12:18:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-07-12 12:18:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-07-12 12:18:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:18:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:18:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 12:18:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 12:18:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-12 12:18:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-12 12:18:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-07-12 12:18:48,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-07-12 12:18:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 12:18:48,353 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 12:18:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-07-12 12:18:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-07-12 12:18:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 12:18:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 12:18:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-12 12:18:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-12 12:18:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-12 12:18:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-12 12:18:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-12 12:18:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-12 12:18:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-07-12 12:18:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-07-12 12:18:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-12 12:18:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-12 12:18:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-07-12 12:18:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-07-12 12:18:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 12:18:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 12:18:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-12 12:18:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-12 12:18:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:18:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-07-12 12:18:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-07-12 12:18:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:18:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-07-12 12:18:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-07-12 12:18:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-07-12 12:18:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-07-12 12:18:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-07-12 12:18:48,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-07-12 12:18:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-07-12 12:18:48,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-07-12 12:18:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 12:18:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 12:18:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 12:18:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-07-12 12:18:48,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-07-12 12:18:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 12:18:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:18:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-12 12:18:48,359 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-12 12:18:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 12:18:48,359 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 12:18:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-12 12:18:48,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-12 12:18:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-07-12 12:18:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-07-12 12:18:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-12 12:18:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-12 12:18:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-07-12 12:18:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-07-12 12:18:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-07-12 12:18:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-07-12 12:18:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-07-12 12:18:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-07-12 12:18:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-12 12:18:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-12 12:18:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2022-07-12 12:18:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2022-07-12 12:18:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 12:18:48,362 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 12:18:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-07-12 12:18:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-07-12 12:18:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-12 12:18:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-12 12:18:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-12 12:18:48,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-12 12:18:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-07-12 12:18:48,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-07-12 12:18:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-07-12 12:18:48,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-07-12 12:18:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-07-12 12:18:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-07-12 12:18:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-07-12 12:18:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-07-12 12:18:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 12:18:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 12:18:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-12 12:18:48,378 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-12 12:18:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 12:18:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 12:18:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 12:18:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 12:18:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:18:48,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:18:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-07-12 12:18:48,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-07-12 12:18:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-12 12:18:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-12 12:18:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-07-12 12:18:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-07-12 12:18:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-07-12 12:18:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-07-12 12:18:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 12:18:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 12:18:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-12 12:18:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-12 12:18:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-07-12 12:18:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-07-12 12:18:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-12 12:18:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-12 12:18:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-12 12:18:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-12 12:18:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-07-12 12:18:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-07-12 12:18:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-07-12 12:18:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-07-12 12:18:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-12 12:18:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-12 12:18:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-12 12:18:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-12 12:18:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-12 12:18:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-12 12:18:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-07-12 12:18:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-07-12 12:18:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-07-12 12:18:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-07-12 12:18:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 12:18:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 12:18:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-07-12 12:18:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-07-12 12:18:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-12 12:18:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-12 12:18:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-07-12 12:18:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-07-12 12:18:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-07-12 12:18:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-07-12 12:18:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-07-12 12:18:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-07-12 12:18:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-12 12:18:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-12 12:18:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-12 12:18:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-12 12:18:49,498 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:18:49,501 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:20:50,864 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:20:50,883 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:20:50,883 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 12:20:50,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:20:50 BoogieIcfgContainer [2022-07-12 12:20:50,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:20:50,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:20:50,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:20:50,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:20:50,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:18:39" (1/3) ... [2022-07-12 12:20:50,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a2116b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:20:50, skipping insertion in model container [2022-07-12 12:20:50,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:18:46" (2/3) ... [2022-07-12 12:20:50,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a2116b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:20:50, skipping insertion in model container [2022-07-12 12:20:50,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:20:50" (3/3) ... [2022-07-12 12:20:50,897 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2022-07-12 12:20:50,909 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:20:50,909 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:20:51,012 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:20:51,021 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@4d1338af, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5883576 [2022-07-12 12:20:51,021 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:20:51,035 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) [2022-07-12 12:20:51,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-12 12:20:51,040 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:20:51,041 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:20:51,041 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:20:51,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:20:51,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1902675333, now seen corresponding path program 1 times [2022-07-12 12:20:51,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:20:51,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1071219590] [2022-07-12 12:20:51,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:20:51,064 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:20:51,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:20:51,066 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) [2022-07-12 12:20:51,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 12:20:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:20:53,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 1982 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:20:53,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:20:53,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:20:53,483 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:20:53,483 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:20:53,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1071219590] [2022-07-12 12:20:53,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1071219590] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:20:53,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:20:53,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:20:53,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733489002] [2022-07-12 12:20:53,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:20:53,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:20:53,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:20:53,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:20:53,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:20:53,532 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) [2022-07-12 12:20:54,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:20:54,354 INFO L93 Difference]: Finished difference Result 7879 states and 11977 transitions. [2022-07-12 12:20:54,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:20:54,357 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 [2022-07-12 12:20:54,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:20:54,417 INFO L225 Difference]: With dead ends: 7879 [2022-07-12 12:20:54,418 INFO L226 Difference]: Without dead ends: 5192 [2022-07-12 12:20:54,450 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 [2022-07-12 12:20:54,454 INFO L413 NwaCegarLoop]: 4617 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, 8522 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 12:20:54,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3828 Valid, 8522 Invalid, 18 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 12:20:54,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5192 states. [2022-07-12 12:20:54,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5192 to 5189. [2022-07-12 12:20:54,760 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) [2022-07-12 12:20:54,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 5189 states and 7691 transitions. [2022-07-12 12:20:54,817 INFO L78 Accepts]: Start accepts. Automaton has 5189 states and 7691 transitions. Word has length 9 [2022-07-12 12:20:54,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:20:54,817 INFO L495 AbstractCegarLoop]: Abstraction has 5189 states and 7691 transitions. [2022-07-12 12:20:54,818 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) [2022-07-12 12:20:54,818 INFO L276 IsEmpty]: Start isEmpty. Operand 5189 states and 7691 transitions. [2022-07-12 12:20:54,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-12 12:20:54,819 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:20:54,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:20:54,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 12:20:55,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:20:55,037 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:20:55,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:20:55,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1147815645, now seen corresponding path program 1 times [2022-07-12 12:20:55,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:20:55,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [151009759] [2022-07-12 12:20:55,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:20:55,041 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:20:55,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:20:55,043 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) [2022-07-12 12:20:55,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 12:20:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:20:57,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 1983 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:20:57,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:20:57,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:20:57,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:20:57,425 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:20:57,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [151009759] [2022-07-12 12:20:57,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [151009759] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:20:57,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:20:57,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:20:57,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146027428] [2022-07-12 12:20:57,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:20:57,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:20:57,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:20:57,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:20:57,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:20:57,427 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) [2022-07-12 12:20:57,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:20:57,749 INFO L93 Difference]: Finished difference Result 5191 states and 7692 transitions. [2022-07-12 12:20:57,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:20:57,750 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 [2022-07-12 12:20:57,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:20:57,784 INFO L225 Difference]: With dead ends: 5191 [2022-07-12 12:20:57,785 INFO L226 Difference]: Without dead ends: 5188 [2022-07-12 12:20:57,790 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 [2022-07-12 12:20:57,791 INFO L413 NwaCegarLoop]: 3813 mSDtfsCounter, 3807 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3807 SdHoareTripleChecker+Valid, 3813 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 12:20:57,792 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] [2022-07-12 12:20:57,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5188 states. [2022-07-12 12:20:57,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5188 to 5188. [2022-07-12 12:20:58,109 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) [2022-07-12 12:20:58,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5188 states to 5188 states and 7689 transitions. [2022-07-12 12:20:58,157 INFO L78 Accepts]: Start accepts. Automaton has 5188 states and 7689 transitions. Word has length 10 [2022-07-12 12:20:58,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:20:58,158 INFO L495 AbstractCegarLoop]: Abstraction has 5188 states and 7689 transitions. [2022-07-12 12:20:58,158 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) [2022-07-12 12:20:58,158 INFO L276 IsEmpty]: Start isEmpty. Operand 5188 states and 7689 transitions. [2022-07-12 12:20:58,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-12 12:20:58,159 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:20:58,159 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:20:58,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 12:20:58,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:20:58,380 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:20:58,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:20:58,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1223750584, now seen corresponding path program 1 times [2022-07-12 12:20:58,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:20:58,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1197968548] [2022-07-12 12:20:58,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:20:58,384 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:20:58,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:20:58,390 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) [2022-07-12 12:20:58,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 12:21:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:21:00,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 1984 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:21:00,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:21:00,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:21:00,806 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:21:00,806 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:21:00,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1197968548] [2022-07-12 12:21:00,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1197968548] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:21:00,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:21:00,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:21:00,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697002088] [2022-07-12 12:21:00,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:21:00,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:21:00,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:21:00,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:21:00,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:21:00,808 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) [2022-07-12 12:21:01,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:21:01,087 INFO L93 Difference]: Finished difference Result 5190 states and 7690 transitions. [2022-07-12 12:21:01,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:21:01,124 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 [2022-07-12 12:21:01,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:21:01,160 INFO L225 Difference]: With dead ends: 5190 [2022-07-12 12:21:01,160 INFO L226 Difference]: Without dead ends: 5183 [2022-07-12 12:21:01,167 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 [2022-07-12 12:21:01,170 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, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 12:21:01,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3804 Valid, 3812 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 12:21:01,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5183 states. [2022-07-12 12:21:01,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5183 to 5183. [2022-07-12 12:21:01,377 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) [2022-07-12 12:21:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 7681 transitions. [2022-07-12 12:21:01,407 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 7681 transitions. Word has length 11 [2022-07-12 12:21:01,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:21:01,407 INFO L495 AbstractCegarLoop]: Abstraction has 5183 states and 7681 transitions. [2022-07-12 12:21:01,408 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) [2022-07-12 12:21:01,408 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 7681 transitions. [2022-07-12 12:21:01,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-12 12:21:01,419 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:21:01,419 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] [2022-07-12 12:21:01,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 12:21:01,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:21:01,640 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:21:01,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:21:01,640 INFO L85 PathProgramCache]: Analyzing trace with hash 914557151, now seen corresponding path program 1 times [2022-07-12 12:21:01,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:21:01,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1714576041] [2022-07-12 12:21:01,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:21:01,643 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:21:01,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:21:01,668 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) [2022-07-12 12:21:01,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 12:21:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:21:04,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 2159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:21:04,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:21:04,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:21:04,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:21:04,676 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:21:04,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1714576041] [2022-07-12 12:21:04,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1714576041] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:21:04,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:21:04,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:21:04,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340354049] [2022-07-12 12:21:04,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:21:04,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:21:04,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:21:04,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:21:04,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:21:04,679 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) [2022-07-12 12:21:05,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:21:05,532 INFO L93 Difference]: Finished difference Result 10365 states and 15741 transitions. [2022-07-12 12:21:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:21:05,543 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 [2022-07-12 12:21:05,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:21:05,617 INFO L225 Difference]: With dead ends: 10365 [2022-07-12 12:21:05,617 INFO L226 Difference]: Without dead ends: 5185 [2022-07-12 12:21:05,689 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 [2022-07-12 12:21:05,691 INFO L413 NwaCegarLoop]: 3805 mSDtfsCounter, 0 mSDsluCounter, 3798 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:21:05,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7603 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 12:21:05,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5185 states. [2022-07-12 12:21:06,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5185 to 5183. [2022-07-12 12:21:06,032 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) [2022-07-12 12:21:06,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 7675 transitions. [2022-07-12 12:21:06,104 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 7675 transitions. Word has length 55 [2022-07-12 12:21:06,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:21:06,120 INFO L495 AbstractCegarLoop]: Abstraction has 5183 states and 7675 transitions. [2022-07-12 12:21:06,120 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) [2022-07-12 12:21:06,120 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 7675 transitions. [2022-07-12 12:21:06,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-12 12:21:06,128 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:21:06,128 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] [2022-07-12 12:21:06,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 12:21:06,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:21:06,348 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:21:06,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:21:06,348 INFO L85 PathProgramCache]: Analyzing trace with hash -683062343, now seen corresponding path program 1 times [2022-07-12 12:21:06,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:21:06,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1773499345] [2022-07-12 12:21:06,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:21:06,351 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:21:06,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:21:06,363 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) [2022-07-12 12:21:06,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process