./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-18 03:31:07,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 03:31:07,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 03:31:07,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 03:31:07,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 03:31:07,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 03:31:07,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 03:31:07,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 03:31:07,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 03:31:07,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 03:31:07,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 03:31:07,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 03:31:07,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 03:31:07,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 03:31:07,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 03:31:07,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 03:31:07,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 03:31:07,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 03:31:07,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 03:31:07,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 03:31:07,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 03:31:07,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 03:31:07,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 03:31:07,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 03:31:07,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 03:31:07,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 03:31:07,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 03:31:07,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 03:31:07,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 03:31:07,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 03:31:07,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 03:31:07,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 03:31:07,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 03:31:07,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 03:31:07,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 03:31:07,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 03:31:07,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 03:31:07,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 03:31:07,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 03:31:07,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 03:31:07,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 03:31:07,176 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 03:31:07,199 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 03:31:07,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 03:31:07,206 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 03:31:07,206 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 03:31:07,207 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 03:31:07,207 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 03:31:07,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 03:31:07,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 03:31:07,208 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 03:31:07,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 03:31:07,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 03:31:07,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 03:31:07,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 03:31:07,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 03:31:07,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 03:31:07,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 03:31:07,210 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 03:31:07,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 03:31:07,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 03:31:07,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 03:31:07,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 03:31:07,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 03:31:07,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 03:31:07,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 03:31:07,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 03:31:07,212 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 03:31:07,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 03:31:07,212 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 03:31:07,212 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 03:31:07,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 03:31:07,213 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 03:31:07,213 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2021-12-18 03:31:07,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 03:31:07,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 03:31:07,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 03:31:07,520 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 03:31:07,521 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 03:31:07,522 INFO L432 ainManager$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 [2021-12-18 03:31:07,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8720625c/da113a11b0e84a5ea7443f3dd27f0a9a/FLAGb167bcbf1 [2021-12-18 03:31:08,422 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 03:31:08,422 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 [2021-12-18 03:31:08,478 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8720625c/da113a11b0e84a5ea7443f3dd27f0a9a/FLAGb167bcbf1 [2021-12-18 03:31:08,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8720625c/da113a11b0e84a5ea7443f3dd27f0a9a [2021-12-18 03:31:08,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 03:31:08,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 03:31:08,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 03:31:08,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 03:31:08,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 03:31:08,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:31:08" (1/1) ... [2021-12-18 03:31:08,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d49db56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:08, skipping insertion in model container [2021-12-18 03:31:08,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:31:08" (1/1) ... [2021-12-18 03:31:08,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 03:31:09,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 03:31:12,748 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] [2021-12-18 03:31:12,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 03:31:12,923 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 03:31:13,327 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] [2021-12-18 03:31:13,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 03:31:13,449 INFO L208 MainTranslator]: Completed translation [2021-12-18 03:31:13,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:13 WrapperNode [2021-12-18 03:31:13,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 03:31:13,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 03:31:13,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 03:31:13,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 03:31:13,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:13" (1/1) ... [2021-12-18 03:31:13,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:13" (1/1) ... [2021-12-18 03:31:13,842 INFO L137 Inliner]: procedures = 399, calls = 3514, calls flagged for inlining = 185, calls inlined = 158, statements flattened = 7164 [2021-12-18 03:31:13,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 03:31:13,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 03:31:13,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 03:31:13,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 03:31:13,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:13" (1/1) ... [2021-12-18 03:31:13,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:13" (1/1) ... [2021-12-18 03:31:13,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:13" (1/1) ... [2021-12-18 03:31:13,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:13" (1/1) ... [2021-12-18 03:31:14,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:13" (1/1) ... [2021-12-18 03:31:14,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:13" (1/1) ... [2021-12-18 03:31:14,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:13" (1/1) ... [2021-12-18 03:31:14,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 03:31:14,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 03:31:14,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 03:31:14,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 03:31:14,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:13" (1/1) ... [2021-12-18 03:31:14,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 03:31:14,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 03:31:14,285 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) [2021-12-18 03:31:14,308 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 [2021-12-18 03:31:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2021-12-18 03:31:14,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2021-12-18 03:31:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2021-12-18 03:31:14,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2021-12-18 03:31:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2021-12-18 03:31:14,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2021-12-18 03:31:14,331 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 03:31:14,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 03:31:14,331 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-18 03:31:14,331 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-18 03:31:14,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 03:31:14,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 03:31:14,332 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 03:31:14,332 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 03:31:14,332 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-18 03:31:14,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-18 03:31:14,332 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 03:31:14,332 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 03:31:14,332 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-18 03:31:14,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-18 03:31:14,333 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-18 03:31:14,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-18 03:31:14,333 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2021-12-18 03:31:14,333 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2021-12-18 03:31:14,333 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2021-12-18 03:31:14,333 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2021-12-18 03:31:14,333 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-18 03:31:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-18 03:31:14,334 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-18 03:31:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2021-12-18 03:31:14,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2021-12-18 03:31:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2021-12-18 03:31:14,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2021-12-18 03:31:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2021-12-18 03:31:14,335 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2021-12-18 03:31:14,335 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2021-12-18 03:31:14,335 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2021-12-18 03:31:14,335 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 03:31:14,335 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 03:31:14,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 03:31:14,335 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-18 03:31:14,336 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-18 03:31:14,336 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 03:31:14,336 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 03:31:14,336 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2021-12-18 03:31:14,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2021-12-18 03:31:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2021-12-18 03:31:14,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2021-12-18 03:31:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2021-12-18 03:31:14,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2021-12-18 03:31:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 03:31:14,337 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 03:31:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-18 03:31:14,338 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-18 03:31:14,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 03:31:14,338 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 03:31:14,338 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 03:31:14,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2021-12-18 03:31:14,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2021-12-18 03:31:14,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 03:31:14,340 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2021-12-18 03:31:14,340 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2021-12-18 03:31:14,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 03:31:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 03:31:14,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 03:31:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2021-12-18 03:31:14,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2021-12-18 03:31:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2021-12-18 03:31:14,341 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2021-12-18 03:31:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 03:31:14,342 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 03:31:14,342 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2021-12-18 03:31:14,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2021-12-18 03:31:14,343 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-18 03:31:14,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-18 03:31:14,343 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 03:31:14,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 03:31:14,343 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 03:31:14,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 03:31:14,343 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2021-12-18 03:31:14,344 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2021-12-18 03:31:14,344 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-12-18 03:31:14,344 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-12-18 03:31:14,344 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2021-12-18 03:31:14,344 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2021-12-18 03:31:14,344 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-12-18 03:31:14,344 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-12-18 03:31:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2021-12-18 03:31:14,345 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2021-12-18 03:31:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 03:31:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-18 03:31:14,346 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-18 03:31:14,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 03:31:14,346 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-18 03:31:14,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-18 03:31:14,347 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 03:31:14,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 03:31:14,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 03:31:14,347 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 03:31:14,347 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2021-12-18 03:31:14,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2021-12-18 03:31:14,348 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2021-12-18 03:31:14,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2021-12-18 03:31:14,348 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-12-18 03:31:14,348 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-12-18 03:31:14,348 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-18 03:31:14,349 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-18 03:31:14,349 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2021-12-18 03:31:14,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2021-12-18 03:31:14,349 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 03:31:14,349 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 03:31:14,349 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2021-12-18 03:31:14,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2021-12-18 03:31:14,350 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2021-12-18 03:31:14,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2021-12-18 03:31:14,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 03:31:14,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 03:31:14,351 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-12-18 03:31:14,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-12-18 03:31:14,353 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-18 03:31:14,353 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-18 03:31:14,354 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 03:31:14,354 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 03:31:14,354 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2021-12-18 03:31:14,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2021-12-18 03:31:14,356 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2021-12-18 03:31:14,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2021-12-18 03:31:14,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 03:31:14,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 03:31:14,362 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2021-12-18 03:31:14,362 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2021-12-18 03:31:14,362 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2021-12-18 03:31:14,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2021-12-18 03:31:14,362 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-18 03:31:14,362 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-18 03:31:14,363 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-18 03:31:14,363 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-18 03:31:14,363 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-18 03:31:14,363 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-18 03:31:14,363 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2021-12-18 03:31:14,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2021-12-18 03:31:14,363 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2021-12-18 03:31:14,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2021-12-18 03:31:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2021-12-18 03:31:14,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2021-12-18 03:31:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2021-12-18 03:31:14,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2021-12-18 03:31:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2021-12-18 03:31:14,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2021-12-18 03:31:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2021-12-18 03:31:14,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2021-12-18 03:31:14,365 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2021-12-18 03:31:14,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2021-12-18 03:31:14,365 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 03:31:14,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 03:31:14,365 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-12-18 03:31:14,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-12-18 03:31:14,365 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2021-12-18 03:31:14,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2021-12-18 03:31:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 03:31:14,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 03:31:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 03:31:14,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 03:31:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2021-12-18 03:31:14,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2021-12-18 03:31:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2021-12-18 03:31:14,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2021-12-18 03:31:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 03:31:14,367 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 03:31:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2021-12-18 03:31:14,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2021-12-18 03:31:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 03:31:14,367 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 03:31:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-18 03:31:14,367 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-18 03:31:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-18 03:31:14,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-18 03:31:14,368 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-18 03:31:14,368 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-18 03:31:14,368 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2021-12-18 03:31:14,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2021-12-18 03:31:14,368 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-18 03:31:14,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-18 03:31:14,368 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2021-12-18 03:31:14,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2021-12-18 03:31:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 03:31:14,369 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 03:31:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-18 03:31:14,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-18 03:31:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 03:31:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2021-12-18 03:31:14,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2021-12-18 03:31:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 03:31:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2021-12-18 03:31:14,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2021-12-18 03:31:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2021-12-18 03:31:14,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2021-12-18 03:31:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2021-12-18 03:31:14,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2021-12-18 03:31:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2021-12-18 03:31:14,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2021-12-18 03:31:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2021-12-18 03:31:14,371 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2021-12-18 03:31:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 03:31:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-18 03:31:14,371 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-18 03:31:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 03:31:14,371 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 03:31:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-18 03:31:14,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-18 03:31:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2021-12-18 03:31:14,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2021-12-18 03:31:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-18 03:31:14,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-18 03:31:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2021-12-18 03:31:14,372 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2021-12-18 03:31:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2021-12-18 03:31:14,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2021-12-18 03:31:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2021-12-18 03:31:14,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2021-12-18 03:31:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2021-12-18 03:31:14,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2021-12-18 03:31:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2021-12-18 03:31:14,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2021-12-18 03:31:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 03:31:14,374 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 03:31:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2021-12-18 03:31:14,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2021-12-18 03:31:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2021-12-18 03:31:14,374 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2021-12-18 03:31:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-18 03:31:14,374 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-18 03:31:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2021-12-18 03:31:14,375 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2021-12-18 03:31:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2021-12-18 03:31:14,375 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2021-12-18 03:31:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2021-12-18 03:31:14,375 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2021-12-18 03:31:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2021-12-18 03:31:14,375 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2021-12-18 03:31:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 03:31:14,376 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 03:31:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-18 03:31:14,376 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-18 03:31:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 03:31:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 03:31:14,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 03:31:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2021-12-18 03:31:14,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2021-12-18 03:31:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-12-18 03:31:14,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-12-18 03:31:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2021-12-18 03:31:14,381 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2021-12-18 03:31:14,381 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2021-12-18 03:31:14,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2021-12-18 03:31:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-18 03:31:14,382 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-18 03:31:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-18 03:31:14,382 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-18 03:31:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2021-12-18 03:31:14,383 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2021-12-18 03:31:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-18 03:31:14,383 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-18 03:31:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-18 03:31:14,383 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-18 03:31:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2021-12-18 03:31:14,383 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2021-12-18 03:31:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2021-12-18 03:31:14,384 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2021-12-18 03:31:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-12-18 03:31:14,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-12-18 03:31:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-18 03:31:14,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-18 03:31:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 03:31:14,384 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 03:31:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2021-12-18 03:31:14,385 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2021-12-18 03:31:14,385 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2021-12-18 03:31:14,385 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2021-12-18 03:31:14,385 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 03:31:14,385 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 03:31:14,385 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2021-12-18 03:31:14,385 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2021-12-18 03:31:14,385 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-18 03:31:14,385 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-18 03:31:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 03:31:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2021-12-18 03:31:14,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2021-12-18 03:31:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2021-12-18 03:31:14,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2021-12-18 03:31:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2021-12-18 03:31:14,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2021-12-18 03:31:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-18 03:31:14,387 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-18 03:31:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2021-12-18 03:31:14,387 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2021-12-18 03:31:15,516 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 03:31:15,519 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 03:31:28,374 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 03:31:28,393 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 03:31:28,393 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 03:31:28,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:31:28 BoogieIcfgContainer [2021-12-18 03:31:28,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 03:31:28,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 03:31:28,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 03:31:28,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 03:31:28,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 03:31:08" (1/3) ... [2021-12-18 03:31:28,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78961b25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:31:28, skipping insertion in model container [2021-12-18 03:31:28,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:13" (2/3) ... [2021-12-18 03:31:28,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78961b25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:31:28, skipping insertion in model container [2021-12-18 03:31:28,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:31:28" (3/3) ... [2021-12-18 03:31:28,405 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2021-12-18 03:31:28,409 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 03:31:28,409 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 03:31:28,469 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 03:31:28,477 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 03:31:28,478 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 03:31:28,553 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) [2021-12-18 03:31:28,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-18 03:31:28,556 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:31:28,556 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 03:31:28,557 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:31:28,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:31:28,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1902675333, now seen corresponding path program 1 times [2021-12-18 03:31:28,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 03:31:28,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550247440] [2021-12-18 03:31:28,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:31:28,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 03:31:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:31:29,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 03:31:29,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 03:31:29,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550247440] [2021-12-18 03:31:29,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550247440] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:31:29,095 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:31:29,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 03:31:29,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227324607] [2021-12-18 03:31:29,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:31:29,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 03:31:29,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 03:31:29,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 03:31:29,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:31:29,137 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) [2021-12-18 03:31:29,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:31:29,824 INFO L93 Difference]: Finished difference Result 7879 states and 11977 transitions. [2021-12-18 03:31:29,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 03:31:29,826 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 [2021-12-18 03:31:29,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:31:29,888 INFO L225 Difference]: With dead ends: 7879 [2021-12-18 03:31:29,888 INFO L226 Difference]: Without dead ends: 5192 [2021-12-18 03:31:29,920 INFO L932 BasicCegarLoop]: 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 [2021-12-18 03:31:29,924 INFO L933 BasicCegarLoop]: 4743 mSDtfsCounter, 3828 mSDsluCounter, 3905 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3828 SdHoareTripleChecker+Valid, 8648 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 [2021-12-18 03:31:29,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3828 Valid, 8648 Invalid, 18 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 03:31:29,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5192 states. [2021-12-18 03:31:30,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5192 to 5189. [2021-12-18 03:31:30,271 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) [2021-12-18 03:31:30,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 5189 states and 7691 transitions. [2021-12-18 03:31:30,324 INFO L78 Accepts]: Start accepts. Automaton has 5189 states and 7691 transitions. Word has length 9 [2021-12-18 03:31:30,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:31:30,324 INFO L470 AbstractCegarLoop]: Abstraction has 5189 states and 7691 transitions. [2021-12-18 03:31:30,325 INFO L471 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) [2021-12-18 03:31:30,325 INFO L276 IsEmpty]: Start isEmpty. Operand 5189 states and 7691 transitions. [2021-12-18 03:31:30,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-18 03:31:30,326 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:31:30,327 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 03:31:30,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 03:31:30,328 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:31:30,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:31:30,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1147815645, now seen corresponding path program 1 times [2021-12-18 03:31:30,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 03:31:30,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765826545] [2021-12-18 03:31:30,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:31:30,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 03:31:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:31:30,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 03:31:30,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 03:31:30,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765826545] [2021-12-18 03:31:30,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765826545] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:31:30,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:31:30,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 03:31:30,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002136079] [2021-12-18 03:31:30,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:31:30,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 03:31:30,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 03:31:30,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 03:31:30,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:31:30,524 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) [2021-12-18 03:31:30,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:31:30,718 INFO L93 Difference]: Finished difference Result 5191 states and 7692 transitions. [2021-12-18 03:31:30,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 03:31:30,719 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 [2021-12-18 03:31:30,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:31:30,760 INFO L225 Difference]: With dead ends: 5191 [2021-12-18 03:31:30,760 INFO L226 Difference]: Without dead ends: 5188 [2021-12-18 03:31:30,768 INFO L932 BasicCegarLoop]: 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 [2021-12-18 03:31:30,769 INFO L933 BasicCegarLoop]: 3813 mSDtfsCounter, 3807 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 03:31:30,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3807 Valid, 3813 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 03:31:30,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5188 states. [2021-12-18 03:31:30,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5188 to 5188. [2021-12-18 03:31:30,969 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) [2021-12-18 03:31:31,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5188 states to 5188 states and 7689 transitions. [2021-12-18 03:31:31,005 INFO L78 Accepts]: Start accepts. Automaton has 5188 states and 7689 transitions. Word has length 10 [2021-12-18 03:31:31,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:31:31,006 INFO L470 AbstractCegarLoop]: Abstraction has 5188 states and 7689 transitions. [2021-12-18 03:31:31,006 INFO L471 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) [2021-12-18 03:31:31,006 INFO L276 IsEmpty]: Start isEmpty. Operand 5188 states and 7689 transitions. [2021-12-18 03:31:31,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-18 03:31:31,007 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:31:31,007 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 03:31:31,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 03:31:31,008 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:31:31,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:31:31,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1223750584, now seen corresponding path program 1 times [2021-12-18 03:31:31,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 03:31:31,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65193239] [2021-12-18 03:31:31,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:31:31,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 03:31:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:31:31,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 03:31:31,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 03:31:31,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65193239] [2021-12-18 03:31:31,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65193239] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:31:31,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:31:31,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 03:31:31,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748167727] [2021-12-18 03:31:31,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:31:31,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 03:31:31,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 03:31:31,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 03:31:31,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:31:31,146 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) [2021-12-18 03:31:31,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:31:31,301 INFO L93 Difference]: Finished difference Result 5190 states and 7690 transitions. [2021-12-18 03:31:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 03:31:31,305 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 [2021-12-18 03:31:31,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:31:31,338 INFO L225 Difference]: With dead ends: 5190 [2021-12-18 03:31:31,339 INFO L226 Difference]: Without dead ends: 5183 [2021-12-18 03:31:31,345 INFO L932 BasicCegarLoop]: 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 [2021-12-18 03:31:31,346 INFO L933 BasicCegarLoop]: 3812 mSDtfsCounter, 3804 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 03:31:31,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3804 Valid, 3812 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 03:31:31,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5183 states. [2021-12-18 03:31:31,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5183 to 5183. [2021-12-18 03:31:31,622 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) [2021-12-18 03:31:31,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 7681 transitions. [2021-12-18 03:31:31,653 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 7681 transitions. Word has length 11 [2021-12-18 03:31:31,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:31:31,654 INFO L470 AbstractCegarLoop]: Abstraction has 5183 states and 7681 transitions. [2021-12-18 03:31:31,654 INFO L471 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) [2021-12-18 03:31:31,654 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 7681 transitions. [2021-12-18 03:31:31,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-18 03:31:31,661 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:31:31,662 INFO L514 BasicCegarLoop]: 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] [2021-12-18 03:31:31,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 03:31:31,662 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:31:31,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:31:31,663 INFO L85 PathProgramCache]: Analyzing trace with hash 914557151, now seen corresponding path program 1 times [2021-12-18 03:31:31,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 03:31:31,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948990119] [2021-12-18 03:31:31,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:31:31,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 03:31:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:31:31,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 03:31:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:31:31,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 03:31:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:31:31,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 03:31:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:31:31,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 03:31:31,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 03:31:31,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948990119] [2021-12-18 03:31:31,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948990119] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:31:31,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:31:31,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 03:31:31,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081872751] [2021-12-18 03:31:31,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:31:31,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 03:31:31,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 03:31:31,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 03:31:31,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 03:31:31,877 INFO L87 Difference]: Start difference. First operand 5183 states and 7681 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) [2021-12-18 03:31:35,540 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 03:31:38,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 03:31:45,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:31:45,222 INFO L93 Difference]: Finished difference Result 11142 states and 17254 transitions. [2021-12-18 03:31:45,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 03:31:45,223 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 [2021-12-18 03:31:45,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:31:45,268 INFO L225 Difference]: With dead ends: 11142 [2021-12-18 03:31:45,268 INFO L226 Difference]: Without dead ends: 5962 [2021-12-18 03:31:45,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 03:31:45,309 INFO L933 BasicCegarLoop]: 3661 mSDtfsCounter, 870 mSDsluCounter, 4313 mSDsCounter, 0 mSdLazyCounter, 2695 mSolverCounterSat, 768 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 953 SdHoareTripleChecker+Valid, 7974 SdHoareTripleChecker+Invalid, 3465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 768 IncrementalHoareTripleChecker+Valid, 2695 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2021-12-18 03:31:45,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [953 Valid, 7974 Invalid, 3465 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [768 Valid, 2695 Invalid, 2 Unknown, 0 Unchecked, 12.7s Time] [2021-12-18 03:31:45,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5962 states. [2021-12-18 03:31:45,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5962 to 5671. [2021-12-18 03:31:45,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5671 states, 3986 states have (on average 1.3587556447566482) internal successors, (5416), 4126 states have internal predecessors, (5416), 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) [2021-12-18 03:31:45,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5671 states to 5671 states and 8607 transitions. [2021-12-18 03:31:45,616 INFO L78 Accepts]: Start accepts. Automaton has 5671 states and 8607 transitions. Word has length 55 [2021-12-18 03:31:45,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:31:45,617 INFO L470 AbstractCegarLoop]: Abstraction has 5671 states and 8607 transitions. [2021-12-18 03:31:45,617 INFO L471 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) [2021-12-18 03:31:45,617 INFO L276 IsEmpty]: Start isEmpty. Operand 5671 states and 8607 transitions. [2021-12-18 03:31:45,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-18 03:31:45,626 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:31:45,626 INFO L514 BasicCegarLoop]: 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] [2021-12-18 03:31:45,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 03:31:45,627 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:31:45,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:31:45,627 INFO L85 PathProgramCache]: Analyzing trace with hash -683062343, now seen corresponding path program 1 times [2021-12-18 03:31:45,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 03:31:45,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936306822] [2021-12-18 03:31:45,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:31:45,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 03:31:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 03:31:45,878 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-18 03:31:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 03:31:46,095 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-18 03:31:46,095 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-18 03:31:46,096 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 03:31:46,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 03:31:46,101 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-18 03:31:46,103 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 03:31:46,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 03:31:46 BoogieIcfgContainer [2021-12-18 03:31:46,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 03:31:46,210 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 03:31:46,210 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 03:31:46,210 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 03:31:46,211 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:31:28" (3/4) ... [2021-12-18 03:31:46,213 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-18 03:31:46,213 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 03:31:46,214 INFO L158 Benchmark]: Toolchain (without parser) took 37288.67ms. Allocated memory was 96.5MB in the beginning and 822.1MB in the end (delta: 725.6MB). Free memory was 67.3MB in the beginning and 299.2MB in the end (delta: -232.0MB). Peak memory consumption was 494.6MB. Max. memory is 16.1GB. [2021-12-18 03:31:46,214 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 79.7MB. Free memory was 52.3MB in the beginning and 52.2MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 03:31:46,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4524.35ms. Allocated memory was 96.5MB in the beginning and 211.8MB in the end (delta: 115.3MB). Free memory was 67.3MB in the beginning and 123.2MB in the end (delta: -56.0MB). Peak memory consumption was 102.3MB. Max. memory is 16.1GB. [2021-12-18 03:31:46,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 399.85ms. Allocated memory is still 211.8MB. Free memory was 123.2MB in the beginning and 113.4MB in the end (delta: 9.9MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2021-12-18 03:31:46,217 INFO L158 Benchmark]: Boogie Preprocessor took 397.04ms. Allocated memory is still 211.8MB. Free memory was 113.4MB in the beginning and 89.5MB in the end (delta: 23.8MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2021-12-18 03:31:46,217 INFO L158 Benchmark]: RCFGBuilder took 14147.93ms. Allocated memory was 211.8MB in the beginning and 601.9MB in the end (delta: 390.1MB). Free memory was 89.5MB in the beginning and 264.6MB in the end (delta: -175.0MB). Peak memory consumption was 362.6MB. Max. memory is 16.1GB. [2021-12-18 03:31:46,217 INFO L158 Benchmark]: TraceAbstraction took 17810.23ms. Allocated memory was 601.9MB in the beginning and 822.1MB in the end (delta: 220.2MB). Free memory was 264.6MB in the beginning and 300.3MB in the end (delta: -35.7MB). Peak memory consumption was 184.5MB. Max. memory is 16.1GB. [2021-12-18 03:31:46,219 INFO L158 Benchmark]: Witness Printer took 3.52ms. Allocated memory is still 822.1MB. Free memory was 300.3MB in the beginning and 299.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-18 03:31:46,221 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 79.7MB. Free memory was 52.3MB in the beginning and 52.2MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4524.35ms. Allocated memory was 96.5MB in the beginning and 211.8MB in the end (delta: 115.3MB). Free memory was 67.3MB in the beginning and 123.2MB in the end (delta: -56.0MB). Peak memory consumption was 102.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 399.85ms. Allocated memory is still 211.8MB. Free memory was 123.2MB in the beginning and 113.4MB in the end (delta: 9.9MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 397.04ms. Allocated memory is still 211.8MB. Free memory was 113.4MB in the beginning and 89.5MB in the end (delta: 23.8MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. * RCFGBuilder took 14147.93ms. Allocated memory was 211.8MB in the beginning and 601.9MB in the end (delta: 390.1MB). Free memory was 89.5MB in the beginning and 264.6MB in the end (delta: -175.0MB). Peak memory consumption was 362.6MB. Max. memory is 16.1GB. * TraceAbstraction took 17810.23ms. Allocated memory was 601.9MB in the beginning and 822.1MB in the end (delta: 220.2MB). Free memory was 264.6MB in the beginning and 300.3MB in the end (delta: -35.7MB). Peak memory consumption was 184.5MB. Max. memory is 16.1GB. * Witness Printer took 3.52ms. Allocated memory is still 822.1MB. Free memory was 300.3MB in the beginning and 299.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 12414, overapproximation of bitwiseAnd at line 11962. Possible FailurePath: [L7468] static bool ap_mode_default ; [L7469-L7483] static struct ieee80211_channel const mwl8k_channels_24[14U] = { {0, 2412U, 1U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2417U, 2U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2422U, 3U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2427U, 4U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2432U, 5U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2437U, 6U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2442U, 7U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2447U, 8U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2452U, 9U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2457U, 10U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2462U, 11U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2467U, 12U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2472U, 13U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2484U, 14U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}}; [L7484-L7497] static struct ieee80211_rate const mwl8k_rates_24[13U] = { {0U, 10U, 2U, (unsigned short)0}, {0U, 20U, 4U, (unsigned short)0}, {0U, 55U, 11U, (unsigned short)0}, {0U, 110U, 22U, (unsigned short)0}, {0U, 220U, 44U, (unsigned short)0}, {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}}; [L7498-L7501] static struct ieee80211_channel const mwl8k_channels_50[4U] = { {1, 5180U, 36U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5200U, 40U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5220U, 44U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5240U, 48U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}}; [L7502-L7510] static struct ieee80211_rate const mwl8k_rates_50[8U] = { {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}}; [L8149] static struct rxd_ops rxd_ap_ops = {32, & mwl8k_rxd_ap_init, & mwl8k_rxd_ap_refill, & mwl8k_rxd_ap_process}; [L8226] static struct rxd_ops rxd_sta_ops = {40, & mwl8k_rxd_sta_init, & mwl8k_rxd_sta_refill, & mwl8k_rxd_sta_process}; [L12378-L12384] static struct ieee80211_ops const mwl8k_ops = {& mwl8k_tx, & mwl8k_start, & mwl8k_stop, 0, 0, 0, & mwl8k_add_interface, 0, & mwl8k_remove_interface, & mwl8k_config, & mwl8k_bss_info_changed, 0, 0, & mwl8k_prepare_multicast, & mwl8k_configure_filter, 0, 0, & mwl8k_set_key, 0, 0, 0, 0, 0, 0, 0, 0, 0, & mwl8k_get_stats, 0, 0, & mwl8k_set_rts_threshold, & mwl8k_sta_add, & mwl8k_sta_remove, 0, 0, 0, 0, 0, & mwl8k_conf_tx, 0, 0, 0, 0, & mwl8k_ampdu_action, & mwl8k_get_survey, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12414-L12421] static struct mwl8k_device_info mwl8k_info_tbl[4U] = { {(char *)"88w8363", (char *)"mwl8k/helper_8363.fw", (char *)"mwl8k/fmimage_8363.fw", 0, 0, 0U}, {(char *)"88w8687", (char *)"mwl8k/helper_8687.fw", (char *)"mwl8k/fmimage_8687.fw", 0, 0, 0U}, {(char *)"88w8366", (char *)"mwl8k/helper_8366.fw", (char *)"mwl8k/fmimage_8366.fw", (char *)"mwl8k/fmimage_8366_ap-3.fw", & rxd_ap_ops, 3U}, {(char *)"88w8764", 0, 0, (char *)"mwl8k/fmimage_8764_ap-1.fw", & rxd_ap_ops, 1U}}; [L12422] struct pci_device_id const __mod_pci_device_table ; [L12804-L12805] static struct ieee80211_iface_limit const ap_if_limits[2U] = { {8U, 8U}, {1U, 4U}}; [L12806-L12807] static struct ieee80211_iface_combination const ap_if_comb = {(struct ieee80211_iface_limit const *)(& ap_if_limits), 1U, 8U, 2U, (_Bool)0, (unsigned char)0}; [L13105] int LDV_IN_INTERRUPT ; [L13408] static int ldv_mutex_fw_mutex_of_mwl8k_priv ; [L13515] static int ldv_mutex_lock ; [L13622] static int ldv_mutex_mutex_of_device ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=0, ldv_mutex_fw_mutex_of_mwl8k_priv=0, ldv_mutex_lock=0, ldv_mutex_mutex_of_device=0, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L13108] void *var_mwl8k_rxd_ap_init_13_p0 ; [L13109] dma_addr_t var_mwl8k_rxd_ap_init_13_p1 ; [L13110] void *var_mwl8k_rxd_ap_refill_14_p0 ; [L13111] dma_addr_t var_mwl8k_rxd_ap_refill_14_p1 ; [L13112] int var_mwl8k_rxd_ap_refill_14_p2 ; [L13113] void *var_mwl8k_rxd_ap_process_15_p0 ; [L13114] struct ieee80211_rx_status *var_group1 ; [L13115] __le16 *var_mwl8k_rxd_ap_process_15_p2 ; [L13116] s8 *var_mwl8k_rxd_ap_process_15_p3 ; [L13117] void *var_mwl8k_rxd_sta_init_16_p0 ; [L13118] dma_addr_t var_mwl8k_rxd_sta_init_16_p1 ; [L13119] void *var_mwl8k_rxd_sta_refill_17_p0 ; [L13120] dma_addr_t var_mwl8k_rxd_sta_refill_17_p1 ; [L13121] int var_mwl8k_rxd_sta_refill_17_p2 ; [L13122] void *var_mwl8k_rxd_sta_process_18_p0 ; [L13123] __le16 *var_mwl8k_rxd_sta_process_18_p2 ; [L13124] s8 *var_mwl8k_rxd_sta_process_18_p3 ; [L13125] struct ieee80211_hw *var_group2 ; [L13126] struct ieee80211_tx_control *var_group3 ; [L13127] struct sk_buff *var_mwl8k_tx_100_p2 ; [L13128] struct ieee80211_vif *var_group4 ; [L13129] u32 var_mwl8k_config_107_p1 ; [L13130] struct ieee80211_bss_conf *var_mwl8k_bss_info_changed_110_p2 ; [L13131] u32 var_mwl8k_bss_info_changed_110_p3 ; [L13132] struct netdev_hw_addr_list *var_group5 ; [L13133] unsigned int var_mwl8k_configure_filter_114_p1 ; [L13134] unsigned int *var_mwl8k_configure_filter_114_p2 ; [L13135] u64 var_mwl8k_configure_filter_114_p3 ; [L13136] enum set_key_cmd var_mwl8k_set_key_94_p1 ; [L13137] struct ieee80211_vif *var_mwl8k_set_key_94_p2 ; [L13138] struct ieee80211_sta *var_mwl8k_set_key_94_p3 ; [L13139] struct ieee80211_key_conf *var_mwl8k_set_key_94_p4 ; [L13140] u32 var_mwl8k_set_rts_threshold_115_p1 ; [L13141] struct ieee80211_sta *var_mwl8k_sta_add_117_p2 ; [L13142] struct ieee80211_sta *var_mwl8k_sta_remove_116_p2 ; [L13143] u16 var_mwl8k_conf_tx_118_p2 ; [L13144] struct ieee80211_tx_queue_params const *var_mwl8k_conf_tx_118_p3 ; [L13145] struct ieee80211_low_level_stats *var_group6 ; [L13146] int var_mwl8k_get_survey_120_p1 ; [L13147] struct survey_info *var_mwl8k_get_survey_120_p2 ; [L13148] enum ieee80211_ampdu_mlme_action var_mwl8k_ampdu_action_121_p2 ; [L13149] struct ieee80211_sta *var_mwl8k_ampdu_action_121_p3 ; [L13150] u16 var_mwl8k_ampdu_action_121_p4 ; [L13151] u16 *var_mwl8k_ampdu_action_121_p5 ; [L13152] u8 var_mwl8k_ampdu_action_121_p6 ; [L13153] struct pci_dev *var_group7 ; [L13154] struct pci_device_id const *var_mwl8k_probe_130_p1 ; [L13155] int res_mwl8k_probe_130 ; [L13156] int var_mwl8k_interrupt_97_p0 ; [L13157] void *var_mwl8k_interrupt_97_p1 ; [L13158] int ldv_s_mwl8k_driver_pci_driver ; [L13159] int tmp ; [L13160] int tmp___0 ; [L13162] ldv_s_mwl8k_driver_pci_driver = 0 [L13163] LDV_IN_INTERRUPT = 1 [L13164] CALL ldv_initialize() [L13732] ldv_mutex_fw_mutex_of_mwl8k_priv = 1 [L13733] ldv_mutex_lock = 1 [L13734] ldv_mutex_mutex_of_device = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L13164] RET ldv_initialize() [L13302] tmp___0 = __VERIFIER_nondet_int() [L13303] COND TRUE tmp___0 != 0 || ldv_s_mwl8k_driver_pci_driver != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp___0=-2] [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=-2] [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=-2] [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)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_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=5245, hw={5241:0}, hw={5241:0}, info={5249:5250}, info={5249:5250}, 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={5242:5248}, vif={5242:5248}, vif->type=-4294967293] [L11975] COND FALSE !((unsigned int )vif->type == 2U) [L11979] EXPR vif->type VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_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=5245, hw={5241:0}, hw={5241:0}, info={5249:5250}, info={5249:5250}, 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={5242:5248}, vif={5242:5248}, 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)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_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=5245, hw={5241:0}, hw={5241:0}, info={5249:5250}, info={5249:5250}, 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={5242:5248}, vif={5242:5248}] [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={5241:-1636}, 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={5241:-1636}, 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={5241:-1636}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp={0:0}] [L11926] RET, EXPR mwl8k_fw_lock(hw) VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_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=5245, hw={5241:0}, hw={5241:0}, info={5249:5250}, info={5249:5250}, 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={5242:5248}, vif={5242:5248}] [L11926] tmp = mwl8k_fw_lock(hw) [L11927] COND FALSE !(tmp != 0) VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_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=5245, hw={5241:0}, hw={5241:0}, info={5249:5250}, info={5249:5250}, 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={5242:5248}, vif={5242:5248}] [L11931] COND FALSE !((changed & 4U) != 0U) VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_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=5245, hw={5241:0}, hw={5241:0}, info={5249:5250}, info={5249:5250}, 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={5242:5248}, vif={5242:5248}] [L11939] COND FALSE !((changed & 32U) != 0U) VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_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=5245, hw={5241:0}, hw={5241:0}, info={5249:5250}, info={5249:5250}, 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={5242:5248}, vif={5242:5248}] [L11953] COND FALSE !((changed & 320U) != 0U) VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_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=5245, hw={5241:0}, hw={5241:0}, info={5249:5250}, info={5249:5250}, 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={5242:5248}, vif={5242:5248}] [L11962] COND FALSE !((changed & 512U) != 0U) VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_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=5245, hw={5241:0}, hw={5241:0}, info={5249:5250}, info={5249:5250}, 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={5242:5248}, vif={5242:5248}] [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={5243:-6}, 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={5243:-6}, 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={5243:1520}, 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={5243:1520}, lock={5243:1520}, 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, 2660 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 12392 SdHoareTripleChecker+Valid, 12.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12309 mSDsluCounter, 24247 SdHoareTripleChecker+Invalid, 11.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8218 mSDsCounter, 775 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2709 IncrementalHoareTripleChecker+Invalid, 3486 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 775 mSolverCounterUnsat, 16029 mSDtfsCounter, 2709 mSolverCounterSat, 0.2s 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=5671occurred in iteration=4, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 294 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-18 03:31:46,315 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-tmp.no-commuhash-c3fed41 [2021-12-18 03:31:48,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 03:31:48,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 03:31:48,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 03:31:48,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 03:31:48,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 03:31:48,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 03:31:48,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 03:31:48,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 03:31:48,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 03:31:48,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 03:31:48,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 03:31:48,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 03:31:48,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 03:31:48,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 03:31:48,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 03:31:48,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 03:31:48,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 03:31:48,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 03:31:48,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 03:31:48,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 03:31:48,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 03:31:48,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 03:31:48,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 03:31:48,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 03:31:48,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 03:31:48,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 03:31:48,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 03:31:48,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 03:31:48,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 03:31:48,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 03:31:48,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 03:31:48,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 03:31:48,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 03:31:48,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 03:31:48,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 03:31:48,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 03:31:48,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 03:31:48,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 03:31:48,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 03:31:48,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 03:31:48,442 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-18 03:31:48,478 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 03:31:48,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 03:31:48,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 03:31:48,480 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 03:31:48,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 03:31:48,481 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 03:31:48,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 03:31:48,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 03:31:48,483 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 03:31:48,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 03:31:48,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 03:31:48,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 03:31:48,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 03:31:48,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 03:31:48,485 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 03:31:48,485 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-18 03:31:48,485 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-18 03:31:48,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 03:31:48,486 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 03:31:48,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 03:31:48,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 03:31:48,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 03:31:48,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 03:31:48,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 03:31:48,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 03:31:48,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 03:31:48,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 03:31:48,494 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-18 03:31:48,494 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-18 03:31:48,494 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 03:31:48,494 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 03:31:48,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 03:31:48,495 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 03:31:48,495 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-18 03:31:48,495 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2021-12-18 03:31:48,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 03:31:48,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 03:31:48,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 03:31:48,874 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 03:31:48,875 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 03:31:48,877 INFO L432 ainManager$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 [2021-12-18 03:31:48,950 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2d2b2443/0ced622184ad409ca099a08a5c5b9477/FLAGe201be5df [2021-12-18 03:31:49,875 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 03:31:49,876 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 [2021-12-18 03:31:49,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2d2b2443/0ced622184ad409ca099a08a5c5b9477/FLAGe201be5df [2021-12-18 03:31:50,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2d2b2443/0ced622184ad409ca099a08a5c5b9477 [2021-12-18 03:31:50,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 03:31:50,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 03:31:50,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 03:31:50,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 03:31:50,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 03:31:50,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:31:50" (1/1) ... [2021-12-18 03:31:50,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8b6965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:50, skipping insertion in model container [2021-12-18 03:31:50,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:31:50" (1/1) ... [2021-12-18 03:31:50,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 03:31:50,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 03:31:54,114 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] [2021-12-18 03:31:54,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 03:31:54,362 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-18 03:31:54,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 03:31:54,869 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] [2021-12-18 03:31:54,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 03:31:54,931 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 03:31:55,290 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] [2021-12-18 03:31:55,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 03:31:55,444 INFO L208 MainTranslator]: Completed translation [2021-12-18 03:31:55,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:55 WrapperNode [2021-12-18 03:31:55,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 03:31:55,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 03:31:55,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 03:31:55,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 03:31:55,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:55" (1/1) ... [2021-12-18 03:31:55,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:55" (1/1) ... [2021-12-18 03:31:55,796 INFO L137 Inliner]: procedures = 414, calls = 3514, calls flagged for inlining = 185, calls inlined = 158, statements flattened = 6947 [2021-12-18 03:31:55,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 03:31:55,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 03:31:55,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 03:31:55,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 03:31:55,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:55" (1/1) ... [2021-12-18 03:31:55,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:55" (1/1) ... [2021-12-18 03:31:55,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:55" (1/1) ... [2021-12-18 03:31:55,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:55" (1/1) ... [2021-12-18 03:31:56,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:55" (1/1) ... [2021-12-18 03:31:56,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:55" (1/1) ... [2021-12-18 03:31:56,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:55" (1/1) ... [2021-12-18 03:31:56,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 03:31:56,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 03:31:56,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 03:31:56,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 03:31:56,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:55" (1/1) ... [2021-12-18 03:31:56,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 03:31:56,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 03:31:56,273 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) [2021-12-18 03:31:56,293 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 [2021-12-18 03:31:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2021-12-18 03:31:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2021-12-18 03:31:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2021-12-18 03:31:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2021-12-18 03:31:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2021-12-18 03:31:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2021-12-18 03:31:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 03:31:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 03:31:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-18 03:31:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-18 03:31:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 03:31:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 03:31:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 03:31:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 03:31:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-18 03:31:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-18 03:31:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 03:31:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 03:31:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-18 03:31:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-18 03:31:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-18 03:31:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-18 03:31:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2021-12-18 03:31:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2021-12-18 03:31:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2021-12-18 03:31:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2021-12-18 03:31:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-18 03:31:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-18 03:31:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-18 03:31:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2021-12-18 03:31:56,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2021-12-18 03:31:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2021-12-18 03:31:56,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2021-12-18 03:31:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2021-12-18 03:31:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2021-12-18 03:31:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2021-12-18 03:31:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2021-12-18 03:31:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 03:31:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 03:31:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 03:31:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-18 03:31:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-18 03:31:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-18 03:31:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-18 03:31:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-18 03:31:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-18 03:31:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 03:31:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 03:31:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2021-12-18 03:31:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2021-12-18 03:31:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2021-12-18 03:31:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2021-12-18 03:31:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2021-12-18 03:31:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2021-12-18 03:31:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 03:31:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 03:31:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-18 03:31:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-18 03:31:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 03:31:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 03:31:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2021-12-18 03:31:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2021-12-18 03:31:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2021-12-18 03:31:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2021-12-18 03:31:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 03:31:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 03:31:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2021-12-18 03:31:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2021-12-18 03:31:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2021-12-18 03:31:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2021-12-18 03:31:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 03:31:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 03:31:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2021-12-18 03:31:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2021-12-18 03:31:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-18 03:31:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-18 03:31:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 03:31:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 03:31:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 03:31:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 03:31:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2021-12-18 03:31:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2021-12-18 03:31:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-12-18 03:31:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-12-18 03:31:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2021-12-18 03:31:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2021-12-18 03:31:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-12-18 03:31:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-12-18 03:31:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2021-12-18 03:31:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2021-12-18 03:31:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 03:31:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-18 03:31:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-18 03:31:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 03:31:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-18 03:31:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-18 03:31:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 03:31:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 03:31:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 03:31:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 03:31:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-18 03:31:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-18 03:31:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2021-12-18 03:31:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2021-12-18 03:31:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-18 03:31:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2021-12-18 03:31:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2021-12-18 03:31:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-12-18 03:31:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-12-18 03:31:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-18 03:31:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-18 03:31:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2021-12-18 03:31:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2021-12-18 03:31:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 03:31:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 03:31:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2021-12-18 03:31:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2021-12-18 03:31:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2021-12-18 03:31:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2021-12-18 03:31:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-18 03:31:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 03:31:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 03:31:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-12-18 03:31:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-12-18 03:31:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-18 03:31:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-18 03:31:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-18 03:31:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 03:31:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 03:31:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2021-12-18 03:31:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2021-12-18 03:31:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-18 03:31:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2021-12-18 03:31:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2021-12-18 03:31:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-18 03:31:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 03:31:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-18 03:31:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 03:31:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2021-12-18 03:31:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2021-12-18 03:31:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2021-12-18 03:31:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2021-12-18 03:31:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-18 03:31:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-18 03:31:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-18 03:31:56,344 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-18 03:31:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-18 03:31:56,344 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-18 03:31:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2021-12-18 03:31:56,344 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2021-12-18 03:31:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2021-12-18 03:31:56,344 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2021-12-18 03:31:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2021-12-18 03:31:56,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2021-12-18 03:31:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2021-12-18 03:31:56,345 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2021-12-18 03:31:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2021-12-18 03:31:56,345 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2021-12-18 03:31:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2021-12-18 03:31:56,345 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2021-12-18 03:31:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2021-12-18 03:31:56,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2021-12-18 03:31:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 03:31:56,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 03:31:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-12-18 03:31:56,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-12-18 03:31:56,347 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2021-12-18 03:31:56,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2021-12-18 03:31:56,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 03:31:56,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 03:31:56,347 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 03:31:56,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 03:31:56,347 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2021-12-18 03:31:56,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2021-12-18 03:31:56,347 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2021-12-18 03:31:56,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2021-12-18 03:31:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 03:31:56,348 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 03:31:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2021-12-18 03:31:56,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2021-12-18 03:31:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 03:31:56,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 03:31:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-18 03:31:56,349 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-18 03:31:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-18 03:31:56,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-18 03:31:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-18 03:31:56,351 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-18 03:31:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2021-12-18 03:31:56,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2021-12-18 03:31:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-18 03:31:56,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-18 03:31:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2021-12-18 03:31:56,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2021-12-18 03:31:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 03:31:56,352 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 03:31:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-18 03:31:56,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-18 03:31:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 03:31:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2021-12-18 03:31:56,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2021-12-18 03:31:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 03:31:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2021-12-18 03:31:56,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2021-12-18 03:31:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2021-12-18 03:31:56,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2021-12-18 03:31:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2021-12-18 03:31:56,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2021-12-18 03:31:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2021-12-18 03:31:56,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2021-12-18 03:31:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-18 03:31:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-18 03:31:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-18 03:31:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2021-12-18 03:31:56,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2021-12-18 03:31:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-18 03:31:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 03:31:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-18 03:31:56,354 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-18 03:31:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 03:31:56,354 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 03:31:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-18 03:31:56,355 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-18 03:31:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2021-12-18 03:31:56,355 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2021-12-18 03:31:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-18 03:31:56,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-18 03:31:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2021-12-18 03:31:56,355 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2021-12-18 03:31:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2021-12-18 03:31:56,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2021-12-18 03:31:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2021-12-18 03:31:56,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2021-12-18 03:31:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2021-12-18 03:31:56,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2021-12-18 03:31:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2021-12-18 03:31:56,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2021-12-18 03:31:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 03:31:56,357 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 03:31:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2021-12-18 03:31:56,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2021-12-18 03:31:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2021-12-18 03:31:56,360 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2021-12-18 03:31:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-18 03:31:56,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-18 03:31:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2021-12-18 03:31:56,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2021-12-18 03:31:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2021-12-18 03:31:56,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2021-12-18 03:31:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2021-12-18 03:31:56,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2021-12-18 03:31:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2021-12-18 03:31:56,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2021-12-18 03:31:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 03:31:56,363 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 03:31:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-18 03:31:56,363 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-18 03:31:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-18 03:31:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-18 03:31:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-18 03:31:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-18 03:31:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 03:31:56,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 03:31:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2021-12-18 03:31:56,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2021-12-18 03:31:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-12-18 03:31:56,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-12-18 03:31:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2021-12-18 03:31:56,364 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2021-12-18 03:31:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2021-12-18 03:31:56,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2021-12-18 03:31:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-18 03:31:56,365 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-18 03:31:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-18 03:31:56,365 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-18 03:31:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2021-12-18 03:31:56,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2021-12-18 03:31:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-18 03:31:56,365 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-18 03:31:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-18 03:31:56,366 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-18 03:31:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2021-12-18 03:31:56,366 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2021-12-18 03:31:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2021-12-18 03:31:56,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2021-12-18 03:31:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-12-18 03:31:56,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-12-18 03:31:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-18 03:31:56,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-18 03:31:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 03:31:56,367 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 03:31:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2021-12-18 03:31:56,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2021-12-18 03:31:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2021-12-18 03:31:56,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2021-12-18 03:31:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 03:31:56,367 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 03:31:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2021-12-18 03:31:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2021-12-18 03:31:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-18 03:31:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-18 03:31:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2021-12-18 03:31:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2021-12-18 03:31:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2021-12-18 03:31:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2021-12-18 03:31:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2021-12-18 03:31:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2021-12-18 03:31:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-18 03:31:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-18 03:31:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2021-12-18 03:31:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2021-12-18 03:31:57,500 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 03:31:57,503 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 03:33:58,699 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 03:33:58,733 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 03:33:58,734 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 03:33:58,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:33:58 BoogieIcfgContainer [2021-12-18 03:33:58,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 03:33:58,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 03:33:58,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 03:33:58,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 03:33:58,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 03:31:50" (1/3) ... [2021-12-18 03:33:58,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fe8c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:33:58, skipping insertion in model container [2021-12-18 03:33:58,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:55" (2/3) ... [2021-12-18 03:33:58,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fe8c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:33:58, skipping insertion in model container [2021-12-18 03:33:58,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:33:58" (3/3) ... [2021-12-18 03:33:58,746 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2021-12-18 03:33:58,750 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 03:33:58,751 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 03:33:58,816 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 03:33:58,822 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 03:33:58,822 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 03:33:58,885 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) [2021-12-18 03:33:58,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-18 03:33:58,888 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:33:58,888 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 03:33:58,889 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:33:58,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:33:58,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1902675333, now seen corresponding path program 1 times [2021-12-18 03:33:58,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 03:33:58,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488057860] [2021-12-18 03:33:58,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:33:58,910 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 03:33:58,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 03:33:58,915 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) [2021-12-18 03:33:58,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-18 03:34:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:34:01,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 1982 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 03:34:01,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 03:34:01,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 03:34:01,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 03:34:01,391 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 03:34:01,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1488057860] [2021-12-18 03:34:01,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1488057860] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:34:01,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:34:01,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 03:34:01,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630661945] [2021-12-18 03:34:01,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:34:01,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 03:34:01,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 03:34:01,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 03:34:01,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:34:01,437 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) [2021-12-18 03:34:02,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:34:02,293 INFO L93 Difference]: Finished difference Result 7879 states and 11977 transitions. [2021-12-18 03:34:02,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 03:34:02,297 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 [2021-12-18 03:34:02,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:34:02,357 INFO L225 Difference]: With dead ends: 7879 [2021-12-18 03:34:02,358 INFO L226 Difference]: Without dead ends: 5192 [2021-12-18 03:34:02,390 INFO L932 BasicCegarLoop]: 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 [2021-12-18 03:34:02,396 INFO L933 BasicCegarLoop]: 4584 mSDtfsCounter, 3828 mSDsluCounter, 3905 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3828 SdHoareTripleChecker+Valid, 8489 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-18 03:34:02,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3828 Valid, 8489 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-18 03:34:02,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5192 states. [2021-12-18 03:34:02,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5192 to 5189. [2021-12-18 03:34:02,711 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) [2021-12-18 03:34:02,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 5189 states and 7691 transitions. [2021-12-18 03:34:02,762 INFO L78 Accepts]: Start accepts. Automaton has 5189 states and 7691 transitions. Word has length 9 [2021-12-18 03:34:02,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:34:02,765 INFO L470 AbstractCegarLoop]: Abstraction has 5189 states and 7691 transitions. [2021-12-18 03:34:02,765 INFO L471 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) [2021-12-18 03:34:02,766 INFO L276 IsEmpty]: Start isEmpty. Operand 5189 states and 7691 transitions. [2021-12-18 03:34:02,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-18 03:34:02,767 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:34:02,767 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 03:34:02,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-18 03:34:02,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 03:34:02,988 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:34:02,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:34:02,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1147815645, now seen corresponding path program 1 times [2021-12-18 03:34:02,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 03:34:02,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28566724] [2021-12-18 03:34:02,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:34:02,993 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 03:34:02,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 03:34:02,997 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) [2021-12-18 03:34:03,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-18 03:34:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:34:05,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 1983 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 03:34:05,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 03:34:05,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 03:34:05,485 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 03:34:05,486 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 03:34:05,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28566724] [2021-12-18 03:34:05,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [28566724] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:34:05,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:34:05,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 03:34:05,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304997511] [2021-12-18 03:34:05,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:34:05,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 03:34:05,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 03:34:05,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 03:34:05,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:34:05,489 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) [2021-12-18 03:34:05,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:34:05,879 INFO L93 Difference]: Finished difference Result 5191 states and 7692 transitions. [2021-12-18 03:34:05,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 03:34:05,883 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 [2021-12-18 03:34:05,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:34:05,925 INFO L225 Difference]: With dead ends: 5191 [2021-12-18 03:34:05,925 INFO L226 Difference]: Without dead ends: 5188 [2021-12-18 03:34:05,931 INFO L932 BasicCegarLoop]: 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 [2021-12-18 03:34:05,932 INFO L933 BasicCegarLoop]: 3813 mSDtfsCounter, 3807 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3807 SdHoareTripleChecker+Valid, 3813 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 03:34:05,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3807 Valid, 3813 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 03:34:05,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5188 states. [2021-12-18 03:34:06,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5188 to 5188. [2021-12-18 03:34:06,160 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) [2021-12-18 03:34:06,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5188 states to 5188 states and 7689 transitions. [2021-12-18 03:34:06,208 INFO L78 Accepts]: Start accepts. Automaton has 5188 states and 7689 transitions. Word has length 10 [2021-12-18 03:34:06,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:34:06,209 INFO L470 AbstractCegarLoop]: Abstraction has 5188 states and 7689 transitions. [2021-12-18 03:34:06,209 INFO L471 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) [2021-12-18 03:34:06,209 INFO L276 IsEmpty]: Start isEmpty. Operand 5188 states and 7689 transitions. [2021-12-18 03:34:06,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-18 03:34:06,210 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:34:06,210 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 03:34:06,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-18 03:34:06,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 03:34:06,436 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:34:06,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:34:06,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1223750584, now seen corresponding path program 1 times [2021-12-18 03:34:06,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 03:34:06,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1484036759] [2021-12-18 03:34:06,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:34:06,440 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 03:34:06,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 03:34:06,442 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) [2021-12-18 03:34:06,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-18 03:34:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:34:08,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 1984 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 03:34:08,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 03:34:08,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 03:34:08,552 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 03:34:08,552 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 03:34:08,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1484036759] [2021-12-18 03:34:08,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1484036759] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:34:08,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:34:08,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 03:34:08,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576455436] [2021-12-18 03:34:08,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:34:08,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 03:34:08,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 03:34:08,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 03:34:08,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:34:08,554 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) [2021-12-18 03:34:08,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:34:08,880 INFO L93 Difference]: Finished difference Result 5190 states and 7690 transitions. [2021-12-18 03:34:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 03:34:08,920 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 [2021-12-18 03:34:08,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:34:08,953 INFO L225 Difference]: With dead ends: 5190 [2021-12-18 03:34:08,954 INFO L226 Difference]: Without dead ends: 5183 [2021-12-18 03:34:08,959 INFO L932 BasicCegarLoop]: 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 [2021-12-18 03:34:08,960 INFO L933 BasicCegarLoop]: 3812 mSDtfsCounter, 3804 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3804 SdHoareTripleChecker+Valid, 3812 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 03:34:08,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3804 Valid, 3812 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 03:34:08,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5183 states. [2021-12-18 03:34:09,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5183 to 5183. [2021-12-18 03:34:09,223 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) [2021-12-18 03:34:09,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 7681 transitions. [2021-12-18 03:34:09,259 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 7681 transitions. Word has length 11 [2021-12-18 03:34:09,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:34:09,259 INFO L470 AbstractCegarLoop]: Abstraction has 5183 states and 7681 transitions. [2021-12-18 03:34:09,260 INFO L471 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) [2021-12-18 03:34:09,260 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 7681 transitions. [2021-12-18 03:34:09,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-18 03:34:09,270 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:34:09,270 INFO L514 BasicCegarLoop]: 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] [2021-12-18 03:34:09,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-18 03:34:09,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 03:34:09,492 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:34:09,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:34:09,492 INFO L85 PathProgramCache]: Analyzing trace with hash 914557151, now seen corresponding path program 1 times [2021-12-18 03:34:09,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 03:34:09,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1131300760] [2021-12-18 03:34:09,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:34:09,495 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 03:34:09,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 03:34:09,497 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) [2021-12-18 03:34:09,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-18 03:34:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:34:11,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 2159 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 03:34:11,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 03:34:12,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 03:34:12,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 03:34:12,001 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 03:34:12,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1131300760] [2021-12-18 03:34:12,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1131300760] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:34:12,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:34:12,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 03:34:12,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940238682] [2021-12-18 03:34:12,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:34:12,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 03:34:12,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 03:34:12,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 03:34:12,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:34:12,003 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) [2021-12-18 03:34:12,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:34:12,521 INFO L93 Difference]: Finished difference Result 10365 states and 15741 transitions. [2021-12-18 03:34:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 03:34:12,521 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 [2021-12-18 03:34:12,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:34:12,561 INFO L225 Difference]: With dead ends: 10365 [2021-12-18 03:34:12,562 INFO L226 Difference]: Without dead ends: 5185 [2021-12-18 03:34:12,608 INFO L932 BasicCegarLoop]: 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 [2021-12-18 03:34:12,613 INFO L933 BasicCegarLoop]: 3805 mSDtfsCounter, 0 mSDsluCounter, 3798 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7603 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 03:34:12,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7603 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 03:34:12,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5185 states. [2021-12-18 03:34:12,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5185 to 5183. [2021-12-18 03:34:12,838 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) [2021-12-18 03:34:12,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 7675 transitions. [2021-12-18 03:34:12,870 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 7675 transitions. Word has length 55 [2021-12-18 03:34:12,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:34:12,871 INFO L470 AbstractCegarLoop]: Abstraction has 5183 states and 7675 transitions. [2021-12-18 03:34:12,871 INFO L471 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) [2021-12-18 03:34:12,871 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 7675 transitions. [2021-12-18 03:34:12,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-18 03:34:12,878 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:34:12,878 INFO L514 BasicCegarLoop]: 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] [2021-12-18 03:34:12,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-18 03:34:13,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 03:34:13,094 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:34:13,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:34:13,094 INFO L85 PathProgramCache]: Analyzing trace with hash -683062343, now seen corresponding path program 1 times [2021-12-18 03:34:13,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 03:34:13,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [352213793] [2021-12-18 03:34:13,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:34:13,097 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 03:34:13,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 03:34:13,099 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) [2021-12-18 03:34:13,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-18 03:44:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 03:44:44,923 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. Killed by 15